wolf SSL
wolfSSL SSL/TLS library, support up to TLS1.3
Dependents: CyaSSL-Twitter-OAuth4Tw Example-client-tls-cert TwitterReader TweetTest ... more
Diff: wolfssl/internal.h
- Revision:
- 1:e27310ce7654
- Parent:
- 0:d92f9d21154c
--- a/wolfssl/internal.h Fri Jun 26 00:39:20 2015 +0000
+++ b/wolfssl/internal.h Mon Jul 20 08:05:20 2015 +0000
@@ -1,2514 +1,2515 @@
-/* internal.h
- *
- * Copyright (C) 2006-2015 wolfSSL Inc.
- *
- * This file is part of wolfSSL. (formerly known as wolfSSL)
- *
- * wolfSSL is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * wolfSSL is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
- */
-
-
-#ifndef WOLFSSL_INT_H
-#define WOLFSSL_INT_H
-
-
-#include <wolfssl/wolfcrypt/types.h>
-#include <wolfssl/ssl.h>
-#ifdef HAVE_CRL
- #include <wolfssl/crl.h>
-#endif
-#include <wolfssl/wolfcrypt/random.h>
-#ifndef NO_DES3
- #include <wolfssl/wolfcrypt/des3.h>
-#endif
-#ifndef NO_HC128
- #include <wolfssl/wolfcrypt/hc128.h>
-#endif
-#ifndef NO_RABBIT
- #include <wolfssl/wolfcrypt/rabbit.h>
-#endif
-#ifdef HAVE_CHACHA
- #include <wolfssl/wolfcrypt/chacha.h>
-#endif
-#ifndef NO_ASN
- #include <wolfssl/wolfcrypt/asn.h>
-#endif
-#ifndef NO_MD5
- #include <wolfssl/wolfcrypt/md5.h>
-#endif
-#ifndef NO_SHA
- #include <wolfssl/wolfcrypt/sha.h>
-#endif
-#ifndef NO_AES
- #include <wolfssl/wolfcrypt/aes.h>
-#endif
-#ifdef HAVE_POLY1305
- #include <wolfssl/wolfcrypt/poly1305.h>
-#endif
-#ifdef HAVE_CAMELLIA
- #include <wolfssl/wolfcrypt/camellia.h>
-#endif
-#include <wolfssl/wolfcrypt/logging.h>
-#ifndef NO_HMAC
- #include <wolfssl/wolfcrypt/hmac.h>
-#endif
-#ifndef NO_RC4
- #include <wolfssl/wolfcrypt/arc4.h>
-#endif
-#ifdef HAVE_ECC
- #include <wolfssl/wolfcrypt/ecc.h>
-#endif
-#ifndef NO_SHA256
- #include <wolfssl/wolfcrypt/sha256.h>
-#endif
-#ifdef HAVE_OCSP
- #include <wolfssl/ocsp.h>
-#endif
-#ifdef WOLFSSL_SHA512
- #include <wolfssl/wolfcrypt/sha512.h>
-#endif
-
-#ifdef HAVE_AESGCM
- #include <wolfssl/wolfcrypt/sha512.h>
-#endif
-
-#ifdef WOLFSSL_RIPEMD
- #include <wolfssl/wolfcrypt/ripemd.h>
-#endif
-
-#include <wolfssl/wolfcrypt/hash.h>
-
-#ifdef WOLFSSL_CALLBACKS
- #include <wolfssl/callbacks.h>
- #include <signal.h>
-#endif
-
-#ifdef USE_WINDOWS_API
- #ifdef WOLFSSL_GAME_BUILD
- #include "system/xtl.h"
- #else
- #if defined(_WIN32_WCE) || defined(WIN32_LEAN_AND_MEAN)
- /* On WinCE winsock2.h must be included before windows.h */
- #include <winsock2.h>
- #endif
- #include <windows.h>
- #endif
-#elif defined(THREADX)
- #ifndef SINGLE_THREADED
- #include "tx_api.h"
- #endif
-#elif defined(MICRIUM)
- /* do nothing, just don't pick Unix */
-#elif defined(FREERTOS) || defined(WOLFSSL_SAFERTOS)
- /* do nothing */
-#elif defined(EBSNET)
- /* do nothing */
-#elif defined(FREESCALE_MQX)
- /* do nothing */
-#elif defined(WOLFSSL_MDK_ARM)
- #if defined(WOLFSSL_MDK5)
- #include "cmsis_os.h"
- #else
- #include <rtl.h>
- #endif
-#elif defined(MBED)
-#elif defined(WOLFSSL_TIRTOS)
- /* do nothing */
-#else
- #ifndef SINGLE_THREADED
- #define WOLFSSL_PTHREADS
- #include <pthread.h>
- #endif
- #if defined(OPENSSL_EXTRA) || defined(GOAHEAD_WS)
- #include <unistd.h> /* for close of BIO */
- #endif
-#endif
-
-
-#ifdef HAVE_LIBZ
- #include "zlib.h"
-#endif
-
-#ifdef _MSC_VER
- /* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */
- #pragma warning(disable: 4996)
-#endif
-
-#ifdef NO_AES
- #if !defined (ALIGN16)
- #define ALIGN16
- #endif
-#endif
-
-#ifdef NO_SHA
- #define SHA_DIGEST_SIZE 20
-#endif
-
-#ifdef NO_SHA256
- #define SHA256_DIGEST_SIZE 32
-#endif
-
-#ifdef NO_MD5
- #define MD5_DIGEST_SIZE 16
-#endif
-
-
-#ifdef __cplusplus
- extern "C" {
-#endif
-
-
-#ifdef USE_WINDOWS_API
- typedef unsigned int SOCKET_T;
-#else
- typedef int SOCKET_T;
-#endif
-
-
-typedef byte word24[3];
-
-/* Define or comment out the cipher suites you'd like to be compiled in
- make sure to use at least one BUILD_SSL_xxx or BUILD_TLS_xxx is defined
-
- When adding cipher suites, add name to cipher_names, idx to cipher_name_idx
-
- Now that there is a maximum strength crypto build, the following BUILD_XXX
- flags need to be divided into two groups selected by WOLFSSL_MAX_STRENGTH.
- Those that do not use Perfect Forward Security and do not use AEAD ciphers
- need to be switched off. Allowed suites use (EC)DHE, AES-GCM|CCM, or
- CHACHA-POLY.
-*/
-
-/* Check that if WOLFSSL_MAX_STRENGTH is set that all the required options are
- * not turned off. */
-#if defined(WOLFSSL_MAX_STRENGTH) && \
- ((!defined(HAVE_ECC) && (defined(NO_DH) || defined(NO_RSA))) || \
- (!defined(HAVE_AESGCM) && !defined(HAVE_AESCCM) && \
- (!defined(HAVE_POLY1305) || !defined(HAVE_CHACHA))) || \
- (defined(NO_SHA256) && !defined(WOLFSSL_SHA384)) || \
- !defined(NO_OLD_TLS))
-
- #error "You are trying to build max strength with requirements disabled."
-#endif
-
-#ifndef WOLFSSL_MAX_STRENGTH
-
- #if !defined(NO_RSA) && !defined(NO_RC4)
- #if !defined(NO_SHA)
- #define BUILD_SSL_RSA_WITH_RC4_128_SHA
- #endif
- #if !defined(NO_MD5)
- #define BUILD_SSL_RSA_WITH_RC4_128_MD5
- #endif
- #if !defined(NO_TLS) && defined(HAVE_NTRU) && !defined(NO_SHA)
- #define BUILD_TLS_NTRU_RSA_WITH_RC4_128_SHA
- #endif
- #endif
-
- #if !defined(NO_RSA) && !defined(NO_DES3)
- #if !defined(NO_SHA)
- #define BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA
- #if !defined(NO_TLS) && defined(HAVE_NTRU)
- #define BUILD_TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA
- #endif
- #endif
- #endif
-
- #if !defined(NO_RSA) && !defined(NO_AES) && !defined(NO_TLS)
- #if !defined(NO_SHA)
- #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA
- #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA
- #if defined(HAVE_NTRU)
- #define BUILD_TLS_NTRU_RSA_WITH_AES_128_CBC_SHA
- #define BUILD_TLS_NTRU_RSA_WITH_AES_256_CBC_SHA
- #endif
- #endif
- #if !defined (NO_SHA256)
- #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA256
- #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA256
- #endif
- #if defined (HAVE_AESGCM)
- #define BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256
- #if defined (WOLFSSL_SHA384)
- #define BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384
- #endif
- #endif
- #if defined (HAVE_AESCCM)
- #define BUILD_TLS_RSA_WITH_AES_128_CCM_8
- #define BUILD_TLS_RSA_WITH_AES_256_CCM_8
- #endif
- #if defined(HAVE_BLAKE2)
- #define BUILD_TLS_RSA_WITH_AES_128_CBC_B2B256
- #define BUILD_TLS_RSA_WITH_AES_256_CBC_B2B256
- #endif
- #endif
-
- #if defined(HAVE_CAMELLIA) && !defined(NO_TLS)
- #ifndef NO_RSA
- #if !defined(NO_SHA)
- #define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
- #define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
- #endif
- #ifndef NO_SHA256
- #define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
- #define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
- #endif
- #if !defined(NO_DH)
- #if !defined(NO_SHA)
- #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
- #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
- #endif
- #ifndef NO_SHA256
- #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
- #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
- #endif
- #endif
- #endif
- #endif
-
- #if !defined(NO_PSK) && !defined(NO_AES) && !defined(NO_TLS)
- #if !defined(NO_SHA)
- #define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA
- #define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA
- #endif
- #ifndef NO_SHA256
- #define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA256
- #ifdef HAVE_AESGCM
- #define BUILD_TLS_PSK_WITH_AES_128_GCM_SHA256
- #endif
- #ifdef HAVE_AESCCM
- #define BUILD_TLS_PSK_WITH_AES_128_CCM_8
- #define BUILD_TLS_PSK_WITH_AES_256_CCM_8
- #define BUILD_TLS_PSK_WITH_AES_128_CCM
- #define BUILD_TLS_PSK_WITH_AES_256_CCM
- #endif
- #endif
- #ifdef WOLFSSL_SHA384
- #define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA384
- #ifdef HAVE_AESGCM
- #define BUILD_TLS_PSK_WITH_AES_256_GCM_SHA384
- #endif
- #endif
- #endif
-
- #if !defined(NO_TLS) && defined(HAVE_NULL_CIPHER)
- #if !defined(NO_RSA)
- #if !defined(NO_SHA)
- #define BUILD_TLS_RSA_WITH_NULL_SHA
- #endif
- #ifndef NO_SHA256
- #define BUILD_TLS_RSA_WITH_NULL_SHA256
- #endif
- #endif
- #if !defined(NO_PSK)
- #if !defined(NO_SHA)
- #define BUILD_TLS_PSK_WITH_NULL_SHA
- #endif
- #ifndef NO_SHA256
- #define BUILD_TLS_PSK_WITH_NULL_SHA256
- #endif
- #ifdef WOLFSSL_SHA384
- #define BUILD_TLS_PSK_WITH_NULL_SHA384
- #endif
- #endif
- #endif
-
- #if !defined(NO_HC128) && !defined(NO_RSA) && !defined(NO_TLS)
- #define BUILD_TLS_RSA_WITH_HC_128_MD5
- #if !defined(NO_SHA)
- #define BUILD_TLS_RSA_WITH_HC_128_SHA
- #endif
- #if defined(HAVE_BLAKE2)
- #define BUILD_TLS_RSA_WITH_HC_128_B2B256
- #endif
- #endif
-
- #if !defined(NO_RABBIT) && !defined(NO_TLS) && !defined(NO_RSA)
- #if !defined(NO_SHA)
- #define BUILD_TLS_RSA_WITH_RABBIT_SHA
- #endif
- #endif
-
- #if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \
- !defined(NO_RSA)
-
- #if !defined(NO_SHA)
- #define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
- #define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
- #endif
- #if !defined(NO_SHA256)
- #define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
- #define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
- #endif
- #endif
-
- #if defined(HAVE_ANON) && !defined(NO_TLS) && !defined(NO_DH) && \
- !defined(NO_AES) && !defined(NO_SHA)
- #define BUILD_TLS_DH_anon_WITH_AES_128_CBC_SHA
- #endif
-
- #if !defined(NO_DH) && !defined(NO_PSK) && !defined(NO_TLS)
- #ifndef NO_SHA256
- #define BUILD_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
- #ifdef HAVE_NULL_CIPHER
- #define BUILD_TLS_DHE_PSK_WITH_NULL_SHA256
- #endif
- #endif
- #ifdef WOLFSSL_SHA384
- #define BUILD_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
- #ifdef HAVE_NULL_CIPHER
- #define BUILD_TLS_DHE_PSK_WITH_NULL_SHA384
- #endif
- #endif
- #endif
-
- #if defined(HAVE_ECC) && !defined(NO_TLS)
- #if !defined(NO_AES)
- #if !defined(NO_SHA)
- #if !defined(NO_RSA)
- #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
- #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
- #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
- #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
- #endif
-
- #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
- #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
-
- #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
- #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
- #endif /* NO_SHA */
- #ifndef NO_SHA256
- #if !defined(NO_RSA)
- #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
- #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
- #endif
- #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
- #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
- #endif
-
- #ifdef WOLFSSL_SHA384
- #if !defined(NO_RSA)
- #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
- #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
- #endif
- #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
- #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
- #endif
-
- #if defined (HAVE_AESGCM)
- #if !defined(NO_RSA)
- #define BUILD_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
- #if defined(WOLFSSL_SHA384)
- #define BUILD_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
- #endif
- #endif
-
- #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
-
- #if defined(WOLFSSL_SHA384)
- #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
- #endif
- #endif
- #endif /* NO_AES */
- #if !defined(NO_RC4)
- #if !defined(NO_SHA)
- #if !defined(NO_RSA)
- #define BUILD_TLS_ECDHE_RSA_WITH_RC4_128_SHA
- #define BUILD_TLS_ECDH_RSA_WITH_RC4_128_SHA
- #endif
-
- #define BUILD_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
- #define BUILD_TLS_ECDH_ECDSA_WITH_RC4_128_SHA
- #endif
- #endif
- #if !defined(NO_DES3)
- #ifndef NO_SHA
- #if !defined(NO_RSA)
- #define BUILD_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
- #define BUILD_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
- #endif
-
- #define BUILD_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
- #define BUILD_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
- #endif /* NO_SHA */
- #endif
- #endif
-
-#endif /* !WOLFSSL_MAX_STRENGTH */
-
-#if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \
- !defined(NO_RSA) && defined(HAVE_AESGCM)
-
- #ifndef NO_SHA256
- #define BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
- #endif
-
- #ifdef WOLFSSL_SHA384
- #define BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
- #endif
-#endif
-
-#if !defined(NO_DH) && !defined(NO_PSK) && !defined(NO_TLS)
- #ifndef NO_SHA256
- #ifdef HAVE_AESGCM
- #define BUILD_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
- #endif
- #ifdef HAVE_AESCCM
- #define BUILD_TLS_DHE_PSK_WITH_AES_128_CCM
- #define BUILD_TLS_DHE_PSK_WITH_AES_256_CCM
- #endif
- #endif
- #if defined(WOLFSSL_SHA384) && defined(HAVE_AESGCM)
- #define BUILD_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
- #endif
-#endif
-
-#if defined(HAVE_ECC) && !defined(NO_TLS) && !defined(NO_AES)
- #ifdef HAVE_AESGCM
- #ifndef NO_SHA256
- #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
- #ifndef NO_RSA
- #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
- #endif
- #endif
- #ifdef WOLFSSL_SHA384
- #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
- #ifndef NO_RSA
- #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
- #endif
- #endif
- #endif
- #if defined(HAVE_AESCCM) && !defined(NO_SHA256)
- #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
- #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
- #endif
-#endif
-
-#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && !defined(NO_SHA256)
- #ifdef HAVE_ECC
- #define BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
- #ifndef NO_RSA
- #define BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
- #endif
- #endif
- #if !defined(NO_DH) && !defined(NO_RSA)
- #define BUILD_TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256
- #endif
-#endif
-
-
-#if defined(BUILD_SSL_RSA_WITH_RC4_128_SHA) || \
- defined(BUILD_SSL_RSA_WITH_RC4_128_MD5)
- #define BUILD_ARC4
-#endif
-
-#if defined(BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA)
- #define BUILD_DES3
-#endif
-
-#if defined(BUILD_TLS_RSA_WITH_AES_128_CBC_SHA) || \
- defined(BUILD_TLS_RSA_WITH_AES_256_CBC_SHA) || \
- defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
- #undef BUILD_AES
- #define BUILD_AES
-#endif
-
-#if defined(BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256) || \
- defined(BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256) || \
- defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256) || \
- defined(BUILD_TLS_PSK_WITH_AES_128_GCM_SHA256)
- #define BUILD_AESGCM
-#endif
-
-#if defined(BUILD_TLS_RSA_WITH_HC_128_SHA) || \
- defined(BUILD_TLS_RSA_WITH_HC_128_MD5) || \
- defined(BUILD_TLS_RSA_WITH_HC_128_B2B256)
- #define BUILD_HC128
-#endif
-
-#if defined(BUILD_TLS_RSA_WITH_RABBIT_SHA)
- #define BUILD_RABBIT
-#endif
-
-#ifdef NO_DES3
- #define DES_BLOCK_SIZE 8
-#else
- #undef BUILD_DES3
- #define BUILD_DES3
-#endif
-
-#ifdef NO_AES
- #define AES_BLOCK_SIZE 16
-#else
- #undef BUILD_AES
- #define BUILD_AES
-#endif
-
-#ifndef NO_RC4
- #undef BUILD_ARC4
- #define BUILD_ARC4
-#endif
-
-#ifdef HAVE_CHACHA
- #define CHACHA20_BLOCK_SIZE 16
-#endif
-
-#if defined(WOLFSSL_MAX_STRENGTH) || \
- defined(HAVE_AESGCM) || defined(HAVE_AESCCM) || \
- (defined(HAVE_CHACHA) && defined(HAVE_POLY1305))
-
- #define HAVE_AEAD
-#endif
-
-#if defined(WOLFSSL_MAX_STRENGTH) || \
- defined(HAVE_ECC) || !defined(NO_DH)
-
- #define HAVE_PFS
-#endif
-
-
-/* actual cipher values, 2nd byte */
-enum {
- TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x39,
- TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x33,
- TLS_DH_anon_WITH_AES_128_CBC_SHA = 0x34,
- TLS_RSA_WITH_AES_256_CBC_SHA = 0x35,
- TLS_RSA_WITH_AES_128_CBC_SHA = 0x2F,
- TLS_RSA_WITH_NULL_SHA = 0x02,
- TLS_PSK_WITH_AES_256_CBC_SHA = 0x8d,
- TLS_PSK_WITH_AES_128_CBC_SHA256 = 0xae,
- TLS_PSK_WITH_AES_256_CBC_SHA384 = 0xaf,
- TLS_PSK_WITH_AES_128_CBC_SHA = 0x8c,
- TLS_PSK_WITH_NULL_SHA256 = 0xb0,
- TLS_PSK_WITH_NULL_SHA384 = 0xb1,
- TLS_PSK_WITH_NULL_SHA = 0x2c,
- SSL_RSA_WITH_RC4_128_SHA = 0x05,
- SSL_RSA_WITH_RC4_128_MD5 = 0x04,
- SSL_RSA_WITH_3DES_EDE_CBC_SHA = 0x0A,
-
- /* ECC suites, first byte is 0xC0 (ECC_BYTE) */
- TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0x14,
- TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0x13,
- TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0x0A,
- TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0x09,
- TLS_ECDHE_RSA_WITH_RC4_128_SHA = 0x11,
- TLS_ECDHE_ECDSA_WITH_RC4_128_SHA = 0x07,
- TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x12,
- TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x08,
- TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0x27,
- TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0x23,
- TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0x28,
- TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0x24,
-
- /* static ECDH, first byte is 0xC0 (ECC_BYTE) */
- TLS_ECDH_RSA_WITH_AES_256_CBC_SHA = 0x0F,
- TLS_ECDH_RSA_WITH_AES_128_CBC_SHA = 0x0E,
- TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA = 0x05,
- TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA = 0x04,
- TLS_ECDH_RSA_WITH_RC4_128_SHA = 0x0C,
- TLS_ECDH_ECDSA_WITH_RC4_128_SHA = 0x02,
- TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA = 0x0D,
- TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x03,
- TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 = 0x29,
- TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 = 0x25,
- TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 = 0x2A,
- TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 = 0x26,
-
- /* wolfSSL extension - eSTREAM */
- TLS_RSA_WITH_HC_128_MD5 = 0xFB,
- TLS_RSA_WITH_HC_128_SHA = 0xFC,
- TLS_RSA_WITH_RABBIT_SHA = 0xFD,
-
- /* wolfSSL extension - Blake2b 256 */
- TLS_RSA_WITH_AES_128_CBC_B2B256 = 0xF8,
- TLS_RSA_WITH_AES_256_CBC_B2B256 = 0xF9,
- TLS_RSA_WITH_HC_128_B2B256 = 0xFA, /* eSTREAM too */
-
- /* wolfSSL extension - NTRU */
- TLS_NTRU_RSA_WITH_RC4_128_SHA = 0xe5,
- TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA = 0xe6,
- TLS_NTRU_RSA_WITH_AES_128_CBC_SHA = 0xe7, /* clashes w/official SHA-256 */
- TLS_NTRU_RSA_WITH_AES_256_CBC_SHA = 0xe8,
-
- /* SHA256 */
- TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x6b,
- TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x67,
- TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x3d,
- TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x3c,
- TLS_RSA_WITH_NULL_SHA256 = 0x3b,
- TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 = 0xb2,
- TLS_DHE_PSK_WITH_NULL_SHA256 = 0xb4,
-
- /* SHA384 */
- TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 = 0xb3,
- TLS_DHE_PSK_WITH_NULL_SHA384 = 0xb5,
-
- /* AES-GCM */
- TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x9c,
- TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x9d,
- TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x9e,
- TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x9f,
- TLS_PSK_WITH_AES_128_GCM_SHA256 = 0xa8,
- TLS_PSK_WITH_AES_256_GCM_SHA384 = 0xa9,
- TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 = 0xaa,
- TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 = 0xab,
-
- /* ECC AES-GCM, first byte is 0xC0 (ECC_BYTE) */
- TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2b,
- TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2c,
- TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2d,
- TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2e,
- TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0x2f,
- TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0x30,
- TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 = 0x31,
- TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 = 0x32,
-
- /* AES-CCM, first byte is 0xC0 but isn't ECC,
- * also, in some of the other AES-CCM suites
- * there will be second byte number conflicts
- * with non-ECC AES-GCM */
- TLS_RSA_WITH_AES_128_CCM_8 = 0xa0,
- TLS_RSA_WITH_AES_256_CCM_8 = 0xa1,
- TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 = 0xae,
- TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 = 0xaf,
- TLS_PSK_WITH_AES_128_CCM = 0xa4,
- TLS_PSK_WITH_AES_256_CCM = 0xa5,
- TLS_PSK_WITH_AES_128_CCM_8 = 0xa8,
- TLS_PSK_WITH_AES_256_CCM_8 = 0xa9,
- TLS_DHE_PSK_WITH_AES_128_CCM = 0xa6,
- TLS_DHE_PSK_WITH_AES_256_CCM = 0xa7,
-
- /* Camellia */
- TLS_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x41,
- TLS_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x84,
- TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xba,
- TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc0,
- TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x45,
- TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x88,
- TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xbe,
- TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc4,
-
- TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0x13,
- TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0x14,
- TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0x15,
-
- /* Renegotiation Indication Extension Special Suite */
- TLS_EMPTY_RENEGOTIATION_INFO_SCSV = 0xff
-};
-
-
-#ifndef WOLFSSL_SESSION_TIMEOUT
- #define WOLFSSL_SESSION_TIMEOUT 500
- /* default session resumption cache timeout in seconds */
-#endif
-
-
-enum Misc {
- ECC_BYTE = 0xC0, /* ECC first cipher suite byte */
- CHACHA_BYTE = 0xCC, /* ChaCha first cipher suite */
-
- SEND_CERT = 1,
- SEND_BLANK_CERT = 2,
-
- DTLS_MAJOR = 0xfe, /* DTLS major version number */
- DTLS_MINOR = 0xff, /* DTLS minor version number */
- DTLSv1_2_MINOR = 0xfd, /* DTLS minor version number */
- SSLv3_MAJOR = 3, /* SSLv3 and TLSv1+ major version number */
- SSLv3_MINOR = 0, /* TLSv1 minor version number */
- TLSv1_MINOR = 1, /* TLSv1 minor version number */
- TLSv1_1_MINOR = 2, /* TLSv1_1 minor version number */
- TLSv1_2_MINOR = 3, /* TLSv1_2 minor version number */
- OLD_HELLO_ID = 0x01, /* SSLv2 Client Hello Indicator */
- INVALID_BYTE = 0xff, /* Used to initialize cipher specs values */
- NO_COMPRESSION = 0,
- ZLIB_COMPRESSION = 221, /* wolfSSL zlib compression */
- HELLO_EXT_SIG_ALGO = 13, /* ID for the sig_algo hello extension */
- SECRET_LEN = 48, /* pre RSA and all master */
- ENCRYPT_LEN = 512, /* allow 4096 bit static buffer */
- SIZEOF_SENDER = 4, /* clnt or srvr */
- FINISHED_SZ = 36, /* MD5_DIGEST_SIZE + SHA_DIGEST_SIZE */
- MAX_RECORD_SIZE = 16384, /* 2^14, max size by standard */
- MAX_MSG_EXTRA = 38 + MAX_DIGEST_SIZE,
- /* max added to msg, mac + pad from */
- /* RECORD_HEADER_SZ + BLOCK_SZ (pad) + Max
- digest sz + BLOC_SZ (iv) + pad byte (1) */
- MAX_COMP_EXTRA = 1024, /* max compression extra */
- MAX_MTU = 1500, /* max expected MTU */
- MAX_UDP_SIZE = 8192 - 100, /* was MAX_MTU - 100 */
- MAX_DH_SZ = 1036, /* 4096 p, pub, g + 2 byte size for each */
- MAX_STR_VERSION = 8, /* string rep of protocol version */
-
- PAD_MD5 = 48, /* pad length for finished */
- PAD_SHA = 40, /* pad length for finished */
- MAX_PAD_SIZE = 256, /* maximum length of padding */
- COMPRESS_DUMMY_SIZE = 64, /* compression dummy round size */
- COMPRESS_CONSTANT = 13, /* compression calc constant */
- COMPRESS_UPPER = 55, /* compression calc numerator */
- COMPRESS_LOWER = 64, /* compression calc denominator */
-
- PEM_LINE_LEN = 80, /* PEM line max + fudge */
- LENGTH_SZ = 2, /* length field for HMAC, data only */
- VERSION_SZ = 2, /* length of proctocol version */
- SEQ_SZ = 8, /* 64 bit sequence number */
- BYTE3_LEN = 3, /* up to 24 bit byte lengths */
- ALERT_SIZE = 2, /* level + description */
- VERIFY_HEADER = 2, /* always use 2 bytes */
- EXT_ID_SZ = 2, /* always use 2 bytes */
- MAX_DH_SIZE = 513, /* 4096 bit plus possible leading 0 */
- SESSION_HINT_SZ = 4, /* session timeout hint */
-
- MAX_SUITE_SZ = 200, /* 100 suites for now! */
- RAN_LEN = 32, /* random length */
- SEED_LEN = RAN_LEN * 2, /* tls prf seed length */
- ID_LEN = 32, /* session id length */
- MAX_COOKIE_LEN = 32, /* max dtls cookie size */
- COOKIE_SZ = 20, /* use a 20 byte cookie */
- SUITE_LEN = 2, /* cipher suite sz length */
- ENUM_LEN = 1, /* always a byte */
- OPAQUE8_LEN = 1, /* 1 byte */
- OPAQUE16_LEN = 2, /* 2 bytes */
- OPAQUE24_LEN = 3, /* 3 bytes */
- OPAQUE32_LEN = 4, /* 4 bytes */
- COMP_LEN = 1, /* compression length */
- CURVE_LEN = 2, /* ecc named curve length */
- SERVER_ID_LEN = 20, /* server session id length */
-
- HANDSHAKE_HEADER_SZ = 4, /* type + length(3) */
- RECORD_HEADER_SZ = 5, /* type + version + len(2) */
- CERT_HEADER_SZ = 3, /* always 3 bytes */
- REQ_HEADER_SZ = 2, /* cert request header sz */
- HINT_LEN_SZ = 2, /* length of hint size field */
- TRUNCATED_HMAC_SZ = 10, /* length of hmac w/ truncated hmac extension */
- HELLO_EXT_TYPE_SZ = 2, /* length of a hello extension type */
- HELLO_EXT_SZ = 8, /* total length of the lazy hello extensions */
- HELLO_EXT_LEN = 6, /* length of the lazy hello extensions */
- HELLO_EXT_SIGALGO_SZ = 2, /* length of signature algo extension */
- HELLO_EXT_SIGALGO_MAX = 32, /* number of items in the signature algo list */
-
- DTLS_HANDSHAKE_HEADER_SZ = 12, /* normal + seq(2) + offset(3) + length(3) */
- DTLS_RECORD_HEADER_SZ = 13, /* normal + epoch(2) + seq_num(6) */
- DTLS_HANDSHAKE_EXTRA = 8, /* diff from normal */
- DTLS_RECORD_EXTRA = 8, /* diff from normal */
- DTLS_HANDSHAKE_SEQ_SZ = 2, /* handshake header sequence number */
- DTLS_HANDSHAKE_FRAG_SZ = 3, /* fragment offset and length are 24 bit */
- DTLS_POOL_SZ = 5, /* buffers to hold in the retry pool */
-
- FINISHED_LABEL_SZ = 15, /* TLS finished label size */
- TLS_FINISHED_SZ = 12, /* TLS has a shorter size */
- MASTER_LABEL_SZ = 13, /* TLS master secret label sz */
- KEY_LABEL_SZ = 13, /* TLS key block expansion sz */
- MAX_PRF_HALF = 256, /* Maximum half secret len */
- MAX_PRF_LABSEED = 128, /* Maximum label + seed len */
- MAX_PRF_DIG = 224, /* Maximum digest len */
- MAX_REQUEST_SZ = 256, /* Maximum cert req len (no auth yet */
- SESSION_FLUSH_COUNT = 256, /* Flush session cache unless user turns off */
-
- RC4_KEY_SIZE = 16, /* always 128bit */
- DES_KEY_SIZE = 8, /* des */
- DES3_KEY_SIZE = 24, /* 3 des ede */
- DES_IV_SIZE = DES_BLOCK_SIZE,
- AES_256_KEY_SIZE = 32, /* for 256 bit */
- AES_192_KEY_SIZE = 24, /* for 192 bit */
- AES_IV_SIZE = 16, /* always block size */
- AES_128_KEY_SIZE = 16, /* for 128 bit */
-
- AEAD_SEQ_OFFSET = 4, /* Auth Data: Sequence number */
- AEAD_TYPE_OFFSET = 8, /* Auth Data: Type */
- AEAD_VMAJ_OFFSET = 9, /* Auth Data: Major Version */
- AEAD_VMIN_OFFSET = 10, /* Auth Data: Minor Version */
- AEAD_LEN_OFFSET = 11, /* Auth Data: Length */
- AEAD_AUTH_DATA_SZ = 13, /* Size of the data to authenticate */
- AEAD_IMP_IV_SZ = 4, /* Size of the implicit IV */
- AEAD_EXP_IV_SZ = 8, /* Size of the explicit IV */
- AEAD_NONCE_SZ = AEAD_EXP_IV_SZ + AEAD_IMP_IV_SZ,
-
- AES_GCM_AUTH_SZ = 16, /* AES-GCM Auth Tag length */
- AES_CCM_16_AUTH_SZ = 16, /* AES-CCM-16 Auth Tag length */
- AES_CCM_8_AUTH_SZ = 8, /* AES-CCM-8 Auth Tag Length */
-
- CAMELLIA_128_KEY_SIZE = 16, /* for 128 bit */
- CAMELLIA_192_KEY_SIZE = 24, /* for 192 bit */
- CAMELLIA_256_KEY_SIZE = 32, /* for 256 bit */
- CAMELLIA_IV_SIZE = 16, /* always block size */
-
- CHACHA20_256_KEY_SIZE = 32, /* for 256 bit */
- CHACHA20_128_KEY_SIZE = 16, /* for 128 bit */
- CHACHA20_IV_SIZE = 8, /* 64 bits for iv */
-
- POLY1305_AUTH_SZ = 16, /* 128 bits */
-
- HC_128_KEY_SIZE = 16, /* 128 bits */
- HC_128_IV_SIZE = 16, /* also 128 bits */
-
- RABBIT_KEY_SIZE = 16, /* 128 bits */
- RABBIT_IV_SIZE = 8, /* 64 bits for iv */
-
- EVP_SALT_SIZE = 8, /* evp salt size 64 bits */
-
- ECDHE_SIZE = 32, /* ECHDE server size defaults to 256 bit */
- MAX_EXPORT_ECC_SZ = 256, /* Export ANS X9.62 max future size */
-
- MAX_HELLO_SZ = 128, /* max client or server hello */
- MAX_CERT_VERIFY_SZ = 1024, /* max */
- CLIENT_HELLO_FIRST = 35, /* Protocol + RAN_LEN + sizeof(id_len) */
- MAX_SUITE_NAME = 48, /* maximum length of cipher suite string */
-
- DTLS_TIMEOUT_INIT = 1, /* default timeout init for DTLS receive */
- DTLS_TIMEOUT_MAX = 64, /* default max timeout for DTLS receive */
- DTLS_TIMEOUT_MULTIPLIER = 2, /* default timeout multiplier for DTLS recv */
-
- MAX_PSK_ID_LEN = 128, /* max psk identity/hint supported */
- MAX_PSK_KEY_LEN = 64, /* max psk key supported */
-
- MAX_WOLFSSL_FILE_SIZE = 1024 * 1024 * 4, /* 4 mb file size alloc limit */
-
-#ifdef FORTRESS
- MAX_EX_DATA = 3, /* allow for three items of ex_data */
-#endif
-
- MAX_X509_SIZE = 2048, /* max static x509 buffer size */
- CERT_MIN_SIZE = 256, /* min PEM cert size with header/footer */
- MAX_FILENAME_SZ = 256, /* max file name length */
- FILE_BUFFER_SIZE = 1024, /* default static file buffer size for input,
- will use dynamic buffer if not big enough */
-
- MAX_NTRU_PUB_KEY_SZ = 1027, /* NTRU max for now */
- MAX_NTRU_ENCRYPT_SZ = 1027, /* NTRU max for now */
- MAX_NTRU_BITS = 256, /* max symmetric bit strength */
- NO_SNIFF = 0, /* not sniffing */
- SNIFF = 1, /* currently sniffing */
-
- HASH_SIG_SIZE = 2, /* default SHA1 RSA */
-
- NO_CAVIUM_DEVICE = -2, /* invalid cavium device id */
-
- NO_COPY = 0, /* should we copy static buffer for write */
- COPY = 1 /* should we copy static buffer for write */
-};
-
-
-#ifndef WOLFSSL_MIN_DHKEY_BITS
- #ifdef WOLFSSL_MAX_STRENGTH
- #define WOLFSSL_MIN_DHKEY_BITS 2048
- #else
- #define WOLFSSL_MIN_DHKEY_BITS 1024
- #endif
-#endif
-#if (WOLFSSL_MIN_DHKEY_BITS % 8)
- #error DH minimum bit size must be multiple of 8
-#endif
-#if (WOLFSSL_MIN_DHKEY_BITS > 16000)
- #error DH minimum bit size must not be greater than 16000
-#endif
-#define MIN_DHKEY_SZ (WOLFSSL_MIN_DHKEY_BITS / 8)
-
-
-#ifdef SESSION_INDEX
-/* Shift values for making a session index */
-#define SESSIDX_ROW_SHIFT 4
-#define SESSIDX_IDX_MASK 0x0F
-#endif
-
-
-/* max cert chain peer depth */
-#ifndef MAX_CHAIN_DEPTH
- #define MAX_CHAIN_DEPTH 9
-#endif
-
-#ifndef SESSION_TICKET_LEN
- #define SESSION_TICKET_LEN 256
-#endif
-
-#ifndef SESSION_TICKET_HINT_DEFAULT
- #define SESSION_TICKET_HINT_DEFAULT 300
-#endif
-
-
-/* don't use extra 3/4k stack space unless need to */
-#ifdef HAVE_NTRU
- #define MAX_ENCRYPT_SZ MAX_NTRU_ENCRYPT_SZ
-#else
- #define MAX_ENCRYPT_SZ ENCRYPT_LEN
-#endif
-
-
-/* states */
-enum states {
- NULL_STATE = 0,
-
- SERVER_HELLOVERIFYREQUEST_COMPLETE,
- SERVER_HELLO_COMPLETE,
- SERVER_CERT_COMPLETE,
- SERVER_KEYEXCHANGE_COMPLETE,
- SERVER_HELLODONE_COMPLETE,
- SERVER_FINISHED_COMPLETE,
-
- CLIENT_HELLO_COMPLETE,
- CLIENT_KEYEXCHANGE_COMPLETE,
- CLIENT_FINISHED_COMPLETE,
-
- HANDSHAKE_DONE
-};
-
-
-#if defined(__GNUC__)
- #define WOLFSSL_PACK __attribute__ ((packed))
-#else
- #define WOLFSSL_PACK
-#endif
-
-/* SSL Version */
-typedef struct ProtocolVersion {
- byte major;
- byte minor;
-} WOLFSSL_PACK ProtocolVersion;
-
-
-WOLFSSL_LOCAL ProtocolVersion MakeSSLv3(void);
-WOLFSSL_LOCAL ProtocolVersion MakeTLSv1(void);
-WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_1(void);
-WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_2(void);
-
-#ifdef WOLFSSL_DTLS
- WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1(void);
- WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1_2(void);
-#endif
-
-
-enum BIO_TYPE {
- BIO_BUFFER = 1,
- BIO_SOCKET = 2,
- BIO_SSL = 3,
- BIO_MEMORY = 4
-};
-
-
-/* wolfSSL BIO_METHOD type */
-struct WOLFSSL_BIO_METHOD {
- byte type; /* method type */
-};
-
-
-/* wolfSSL BIO type */
-struct WOLFSSL_BIO {
- byte type; /* method type */
- byte close; /* close flag */
- byte eof; /* eof flag */
- WOLFSSL* ssl; /* possible associated ssl */
- byte* mem; /* memory buffer */
- int memLen; /* memory buffer length */
- int fd; /* possible file descriptor */
- WOLFSSL_BIO* prev; /* previous in chain */
- WOLFSSL_BIO* next; /* next in chain */
-};
-
-
-/* wolfSSL method type */
-struct WOLFSSL_METHOD {
- ProtocolVersion version;
- byte side; /* connection side, server or client */
- byte downgrade; /* whether to downgrade version, default no */
-};
-
-
-/* defautls to client */
-WOLFSSL_LOCAL void InitSSL_Method(WOLFSSL_METHOD*, ProtocolVersion);
-
-/* for sniffer */
-WOLFSSL_LOCAL int DoFinished(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
- word32 size, word32 totalSz, int sniff);
-WOLFSSL_LOCAL int DoApplicationData(WOLFSSL* ssl, byte* input, word32* inOutIdx);
-
-
-/* wolfSSL buffer type */
-typedef struct buffer {
- byte* buffer;
- word32 length;
-} buffer;
-
-
-enum {
- FORCED_FREE = 1,
- NO_FORCED_FREE = 0
-};
-
-
-/* only use compression extra if using compression */
-#ifdef HAVE_LIBZ
- #define COMP_EXTRA MAX_COMP_EXTRA
-#else
- #define COMP_EXTRA 0
-#endif
-
-/* only the sniffer needs space in the buffer for extra MTU record(s) */
-#ifdef WOLFSSL_SNIFFER
- #define MTU_EXTRA MAX_MTU * 3
-#else
- #define MTU_EXTRA 0
-#endif
-
-
-/* embedded callbacks require large static buffers, make sure on */
-#ifdef WOLFSSL_CALLBACKS
- #undef LARGE_STATIC_BUFFERS
- #define LARGE_STATIC_BUFFERS
-#endif
-
-
-/* give user option to use 16K static buffers */
-#if defined(LARGE_STATIC_BUFFERS)
- #define RECORD_SIZE MAX_RECORD_SIZE
-#else
- #ifdef WOLFSSL_DTLS
- #define RECORD_SIZE MAX_MTU
- #else
- #define RECORD_SIZE 128
- #endif
-#endif
-
-
-/* user option to turn off 16K output option */
-/* if using small static buffers (default) and SSL_write tries to write data
- larger than the record we have, dynamically get it, unless user says only
- write in static buffer chuncks */
-#ifndef STATIC_CHUNKS_ONLY
- #define OUTPUT_RECORD_SIZE MAX_RECORD_SIZE
-#else
- #define OUTPUT_RECORD_SIZE RECORD_SIZE
-#endif
-
-/* wolfSSL input buffer
-
- RFC 2246:
-
- length
- The length (in bytes) of the following TLSPlaintext.fragment.
- The length should not exceed 2^14.
-*/
-#if defined(LARGE_STATIC_BUFFERS)
- #define STATIC_BUFFER_LEN RECORD_HEADER_SZ + RECORD_SIZE + COMP_EXTRA + \
- MTU_EXTRA + MAX_MSG_EXTRA
-#else
- /* don't fragment memory from the record header */
- #define STATIC_BUFFER_LEN RECORD_HEADER_SZ
-#endif
-
-typedef struct {
- ALIGN16 byte staticBuffer[STATIC_BUFFER_LEN];
- byte* buffer; /* place holder for static or dynamic buffer */
- word32 length; /* total buffer length used */
- word32 idx; /* idx to part of length already consumed */
- word32 bufferSize; /* current buffer size */
- byte dynamicFlag; /* dynamic memory currently in use */
- byte offset; /* alignment offset attempt */
-} bufferStatic;
-
-/* Cipher Suites holder */
-typedef struct Suites {
- word16 suiteSz; /* suite length in bytes */
- word16 hashSigAlgoSz; /* SigAlgo extension length in bytes */
- byte suites[MAX_SUITE_SZ];
- byte hashSigAlgo[HELLO_EXT_SIGALGO_MAX]; /* sig/algo to offer */
- byte setSuites; /* user set suites from default */
- byte hashAlgo; /* selected hash algorithm */
- byte sigAlgo; /* selected sig algorithm */
-} Suites;
-
-
-WOLFSSL_LOCAL
-void InitSuites(Suites*, ProtocolVersion, word16, word16, word16, word16,
- word16, word16, int);
-WOLFSSL_LOCAL
-int SetCipherList(Suites*, const char* list);
-
-#ifndef PSK_TYPES_DEFINED
- typedef unsigned int (*psk_client_callback)(WOLFSSL*, const char*, char*,
- unsigned int, unsigned char*, unsigned int);
- typedef unsigned int (*psk_server_callback)(WOLFSSL*, const char*,
- unsigned char*, unsigned int);
-#endif /* PSK_TYPES_DEFINED */
-
-
-#ifdef HAVE_NETX
- WOLFSSL_LOCAL int NetX_Receive(WOLFSSL *ssl, char *buf, int sz, void *ctx);
- WOLFSSL_LOCAL int NetX_Send(WOLFSSL *ssl, char *buf, int sz, void *ctx);
-#endif /* HAVE_NETX */
-
-
-/* wolfSSL Cipher type just points back to SSL */
-struct WOLFSSL_CIPHER {
- WOLFSSL* ssl;
-};
-
-
-typedef struct OCSP_Entry OCSP_Entry;
-
-#ifdef NO_SHA
- #define OCSP_DIGEST_SIZE SHA256_DIGEST_SIZE
-#else
- #define OCSP_DIGEST_SIZE SHA_DIGEST_SIZE
-#endif
-
-#ifdef NO_ASN
- /* no_asn won't have */
- typedef struct CertStatus CertStatus;
-#endif
-
-struct OCSP_Entry {
- OCSP_Entry* next; /* next entry */
- byte issuerHash[OCSP_DIGEST_SIZE]; /* issuer hash */
- byte issuerKeyHash[OCSP_DIGEST_SIZE]; /* issuer public key hash */
- CertStatus* status; /* OCSP response list */
- int totalStatus; /* number on list */
-};
-
-
-#ifndef HAVE_OCSP
- typedef struct WOLFSSL_OCSP WOLFSSL_OCSP;
-#endif
-
-/* wolfSSL OCSP controller */
-struct WOLFSSL_OCSP {
- WOLFSSL_CERT_MANAGER* cm; /* pointer back to cert manager */
- OCSP_Entry* ocspList; /* OCSP response list */
- wolfSSL_Mutex ocspLock; /* OCSP list lock */
-};
-
-#ifndef MAX_DATE_SIZE
-#define MAX_DATE_SIZE 32
-#endif
-
-typedef struct CRL_Entry CRL_Entry;
-
-#ifdef NO_SHA
- #define CRL_DIGEST_SIZE SHA256_DIGEST_SIZE
-#else
- #define CRL_DIGEST_SIZE SHA_DIGEST_SIZE
-#endif
-
-#ifdef NO_ASN
- typedef struct RevokedCert RevokedCert;
-#endif
-
-/* Complete CRL */
-struct CRL_Entry {
- CRL_Entry* next; /* next entry */
- byte issuerHash[CRL_DIGEST_SIZE]; /* issuer hash */
- /* byte crlHash[CRL_DIGEST_SIZE]; raw crl data hash */
- /* restore the hash here if needed for optimized comparisons */
- byte lastDate[MAX_DATE_SIZE]; /* last date updated */
- byte nextDate[MAX_DATE_SIZE]; /* next update date */
- byte lastDateFormat; /* last date format */
- byte nextDateFormat; /* next date format */
- RevokedCert* certs; /* revoked cert list */
- int totalCerts; /* number on list */
-};
-
-
-typedef struct CRL_Monitor CRL_Monitor;
-
-/* CRL directory monitor */
-struct CRL_Monitor {
- char* path; /* full dir path, if valid pointer we're using */
- int type; /* PEM or ASN1 type */
-};
-
-
-#ifndef HAVE_CRL
- typedef struct WOLFSSL_CRL WOLFSSL_CRL;
-#endif
-
-/* wolfSSL CRL controller */
-struct WOLFSSL_CRL {
- WOLFSSL_CERT_MANAGER* cm; /* pointer back to cert manager */
- CRL_Entry* crlList; /* our CRL list */
- wolfSSL_Mutex crlLock; /* CRL list lock */
- CRL_Monitor monitors[2]; /* PEM and DER possible */
-#ifdef HAVE_CRL_MONITOR
- pthread_t tid; /* monitoring thread */
- int mfd; /* monitor fd, -1 if no init yet */
-#endif
-};
-
-
-#ifdef NO_ASN
- typedef struct Signer Signer;
-#endif
-
-
-#ifndef CA_TABLE_SIZE
- #define CA_TABLE_SIZE 11
-#endif
-
-/* wolfSSL Certificate Manager */
-struct WOLFSSL_CERT_MANAGER {
- Signer* caTable[CA_TABLE_SIZE]; /* the CA signer table */
- void* heap; /* heap helper */
- WOLFSSL_CRL* crl; /* CRL checker */
- WOLFSSL_OCSP* ocsp; /* OCSP checker */
- char* ocspOverrideURL; /* use this responder */
- void* ocspIOCtx; /* I/O callback CTX */
- CallbackCACache caCacheCallback; /* CA cache addition callback */
- CbMissingCRL cbMissingCRL; /* notify through cb of missing crl */
- CbOCSPIO ocspIOCb; /* I/O callback for OCSP lookup */
- CbOCSPRespFree ocspRespFreeCb; /* Frees OCSP Response from IO Cb */
- wolfSSL_Mutex caLock; /* CA list lock */
- byte crlEnabled; /* is CRL on ? */
- byte crlCheckAll; /* always leaf, but all ? */
- byte ocspEnabled; /* is OCSP on ? */
- byte ocspCheckAll; /* always leaf, but all ? */
- byte ocspSendNonce; /* send the OCSP nonce ? */
- byte ocspUseOverrideURL; /* ignore cert's responder, override */
-};
-
-WOLFSSL_LOCAL int CM_SaveCertCache(WOLFSSL_CERT_MANAGER*, const char*);
-WOLFSSL_LOCAL int CM_RestoreCertCache(WOLFSSL_CERT_MANAGER*, const char*);
-WOLFSSL_LOCAL int CM_MemSaveCertCache(WOLFSSL_CERT_MANAGER*, void*, int, int*);
-WOLFSSL_LOCAL int CM_MemRestoreCertCache(WOLFSSL_CERT_MANAGER*, const void*, int);
-WOLFSSL_LOCAL int CM_GetCertCacheMemSize(WOLFSSL_CERT_MANAGER*);
-
-/* wolfSSL Sock Addr */
-struct WOLFSSL_SOCKADDR {
- unsigned int sz; /* sockaddr size */
- void* sa; /* pointer to the sockaddr_in or sockaddr_in6 */
-};
-
-typedef struct WOLFSSL_DTLS_CTX {
- WOLFSSL_SOCKADDR peer;
- int fd;
-} WOLFSSL_DTLS_CTX;
-
-
-#ifdef WOLFSSL_DTLS
-
- #ifdef WORD64_AVAILABLE
- typedef word64 DtlsSeq;
- #else
- typedef word32 DtlsSeq;
- #endif
- #define DTLS_SEQ_BITS (sizeof(DtlsSeq) * CHAR_BIT)
-
- typedef struct DtlsState {
- DtlsSeq window; /* Sliding window for current epoch */
- word16 nextEpoch; /* Expected epoch in next record */
- word32 nextSeq; /* Expected sequence in next record */
-
- word16 curEpoch; /* Received epoch in current record */
- word32 curSeq; /* Received sequence in current record */
-
- DtlsSeq prevWindow; /* Sliding window for old epoch */
- word32 prevSeq; /* Next sequence in allowed old epoch */
- } DtlsState;
-
-#endif /* WOLFSSL_DTLS */
-
-
-/* keys and secrets */
-typedef struct Keys {
- byte client_write_MAC_secret[MAX_DIGEST_SIZE]; /* max sizes */
- byte server_write_MAC_secret[MAX_DIGEST_SIZE];
- byte client_write_key[AES_256_KEY_SIZE]; /* max sizes */
- byte server_write_key[AES_256_KEY_SIZE];
- byte client_write_IV[AES_IV_SIZE]; /* max sizes */
- byte server_write_IV[AES_IV_SIZE];
-#ifdef HAVE_AEAD
- byte aead_exp_IV[AEAD_EXP_IV_SZ];
- byte aead_enc_imp_IV[AEAD_IMP_IV_SZ];
- byte aead_dec_imp_IV[AEAD_IMP_IV_SZ];
-#endif
-
- word32 peer_sequence_number;
- word32 sequence_number;
-
-#ifdef WOLFSSL_DTLS
- DtlsState dtls_state; /* Peer's state */
- word16 dtls_peer_handshake_number;
- word16 dtls_expected_peer_handshake_number;
-
- word16 dtls_epoch; /* Current tx epoch */
- word32 dtls_sequence_number; /* Current tx sequence */
- word16 dtls_handshake_number; /* Current tx handshake seq */
-#endif
-
- word32 encryptSz; /* last size of encrypted data */
- word32 padSz; /* how much to advance after decrypt part */
- byte encryptionOn; /* true after change cipher spec */
- byte decryptedCur; /* only decrypt current record once */
-} Keys;
-
-
-
-/* RFC 6066 TLS Extensions */
-#ifdef HAVE_TLS_EXTENSIONS
-
-typedef enum {
- SERVER_NAME_INDICATION = 0x0000,
- MAX_FRAGMENT_LENGTH = 0x0001,
- TRUNCATED_HMAC = 0x0004,
- ELLIPTIC_CURVES = 0x000a,
- SESSION_TICKET = 0x0023,
- SECURE_RENEGOTIATION = 0xff01
-} TLSX_Type;
-
-typedef struct TLSX {
- TLSX_Type type; /* Extension Type */
- void* data; /* Extension Data */
- byte resp; /* IsResponse Flag */
- struct TLSX* next; /* List Behavior */
-} TLSX;
-
-WOLFSSL_LOCAL TLSX* TLSX_Find(TLSX* list, TLSX_Type type);
-WOLFSSL_LOCAL void TLSX_FreeAll(TLSX* list);
-WOLFSSL_LOCAL int TLSX_SupportExtensions(WOLFSSL* ssl);
-
-#ifndef NO_WOLFSSL_CLIENT
-WOLFSSL_LOCAL word16 TLSX_GetRequestSize(WOLFSSL* ssl);
-WOLFSSL_LOCAL word16 TLSX_WriteRequest(WOLFSSL* ssl, byte* output);
-#endif
-
-#ifndef NO_WOLFSSL_SERVER
-WOLFSSL_LOCAL word16 TLSX_GetResponseSize(WOLFSSL* ssl);
-WOLFSSL_LOCAL word16 TLSX_WriteResponse(WOLFSSL* ssl, byte* output);
-#endif
-
-WOLFSSL_LOCAL int TLSX_Parse(WOLFSSL* ssl, byte* input, word16 length,
- byte isRequest, Suites *suites);
-
-#elif defined(HAVE_SNI) \
- || defined(HAVE_MAX_FRAGMENT) \
- || defined(HAVE_TRUNCATED_HMAC) \
- || defined(HAVE_SUPPORTED_CURVES) \
- || defined(HAVE_SECURE_RENEGOTIATION) \
- || defined(HAVE_SESSION_TICKET)
-
-#error Using TLS extensions requires HAVE_TLS_EXTENSIONS to be defined.
-
-#endif /* HAVE_TLS_EXTENSIONS */
-
-/* Server Name Indication */
-#ifdef HAVE_SNI
-
-typedef struct SNI {
- byte type; /* SNI Type */
- union { char* host_name; } data; /* SNI Data */
- struct SNI* next; /* List Behavior */
-#ifndef NO_WOLFSSL_SERVER
- byte options; /* Behaviour options */
- byte status; /* Matching result */
-#endif
-} SNI;
-
-WOLFSSL_LOCAL int TLSX_UseSNI(TLSX** extensions, byte type, const void* data,
- word16 size);
-
-#ifndef NO_WOLFSSL_SERVER
-WOLFSSL_LOCAL void TLSX_SNI_SetOptions(TLSX* extensions, byte type,
- byte options);
-WOLFSSL_LOCAL byte TLSX_SNI_Status(TLSX* extensions, byte type);
-WOLFSSL_LOCAL word16 TLSX_SNI_GetRequest(TLSX* extensions, byte type,
- void** data);
-WOLFSSL_LOCAL int TLSX_SNI_GetFromBuffer(const byte* buffer, word32 bufferSz,
- byte type, byte* sni, word32* inOutSz);
-#endif
-
-#endif /* HAVE_SNI */
-
-/* Maximum Fragment Length */
-#ifdef HAVE_MAX_FRAGMENT
-
-WOLFSSL_LOCAL int TLSX_UseMaxFragment(TLSX** extensions, byte mfl);
-
-#endif /* HAVE_MAX_FRAGMENT */
-
-#ifdef HAVE_TRUNCATED_HMAC
-
-WOLFSSL_LOCAL int TLSX_UseTruncatedHMAC(TLSX** extensions);
-
-#endif /* HAVE_TRUNCATED_HMAC */
-
-#ifdef HAVE_SUPPORTED_CURVES
-
-typedef struct EllipticCurve {
- word16 name; /* CurveNames */
- struct EllipticCurve* next; /* List Behavior */
-} EllipticCurve;
-
-WOLFSSL_LOCAL int TLSX_UseSupportedCurve(TLSX** extensions, word16 name);
-
-#ifndef NO_WOLFSSL_SERVER
-WOLFSSL_LOCAL int TLSX_ValidateEllipticCurves(WOLFSSL* ssl, byte first,
- byte second);
-#endif
-
-#endif /* HAVE_SUPPORTED_CURVES */
-
-#ifdef HAVE_SECURE_RENEGOTIATION
-
-enum key_cache_state {
- SCR_CACHE_NULL = 0, /* empty / begin state */
- SCR_CACHE_NEEDED, /* need to cache keys */
- SCR_CACHE_COPY, /* we have a cached copy */
- SCR_CACHE_PARTIAL, /* partial restore to real keys */
- SCR_CACHE_COMPLETE /* complete restore to real keys */
-};
-
-
-/* Additional Conection State according to rfc5746 section 3.1 */
-typedef struct SecureRenegotiation {
- byte enabled; /* secure_renegotiation flag in rfc */
- byte startScr; /* server requested client to start scr */
- enum key_cache_state cache_status; /* track key cache state */
- byte client_verify_data[TLS_FINISHED_SZ]; /* cached */
- byte server_verify_data[TLS_FINISHED_SZ]; /* cached */
- byte subject_hash[SHA_DIGEST_SIZE]; /* peer cert hash */
- Keys tmp_keys; /* can't overwrite real keys yet */
-} SecureRenegotiation;
-
-WOLFSSL_LOCAL int TLSX_UseSecureRenegotiation(TLSX** extensions);
-
-#endif /* HAVE_SECURE_RENEGOTIATION */
-
-#ifdef HAVE_SESSION_TICKET
-
-typedef struct SessionTicket {
- word32 lifetime;
- byte* data;
- word16 size;
-} SessionTicket;
-
-WOLFSSL_LOCAL int TLSX_UseSessionTicket(TLSX** extensions,
- SessionTicket* ticket);
-WOLFSSL_LOCAL SessionTicket* TLSX_SessionTicket_Create(word32 lifetime,
- byte* data, word16 size);
-WOLFSSL_LOCAL void TLSX_SessionTicket_Free(SessionTicket* ticket);
-#endif /* HAVE_SESSION_TICKET */
-
-/* wolfSSL context type */
-struct WOLFSSL_CTX {
- WOLFSSL_METHOD* method;
- wolfSSL_Mutex countMutex; /* reference count mutex */
- int refCount; /* reference count */
-#ifndef NO_DH
- buffer serverDH_P;
- buffer serverDH_G;
-#endif
-#ifndef NO_CERTS
- buffer certificate;
- buffer certChain;
- /* chain after self, in DER, with leading size for each cert */
- buffer privateKey;
- WOLFSSL_CERT_MANAGER* cm; /* our cert manager, ctx owns SSL will use */
-#endif
- Suites* suites; /* make dynamic, user may not need/set */
- void* heap; /* for user memory overrides */
- byte verifyPeer;
- byte verifyNone;
- byte failNoCert;
- byte sessionCacheOff;
- byte sessionCacheFlushOff;
- byte sendVerify; /* for client side */
- byte haveRSA; /* RSA available */
- byte haveDH; /* server DH parms set by user */
- byte haveNTRU; /* server private NTRU key loaded */
- byte haveECDSAsig; /* server cert signed w/ ECDSA */
- byte haveStaticECC; /* static server ECC private key */
- byte partialWrite; /* only one msg per write call */
- byte quietShutdown; /* don't send close notify */
- byte groupMessages; /* group handshake messages before sending */
- byte minDowngrade; /* minimum downgrade version */
-#ifndef NO_DH
- word16 minDhKeySz; /* minimum DH key size */
-#endif
- CallbackIORecv CBIORecv;
- CallbackIOSend CBIOSend;
-#ifdef WOLFSSL_DTLS
- CallbackGenCookie CBIOCookie; /* gen cookie callback */
-#endif
- VerifyCallback verifyCallback; /* cert verification callback */
- word32 timeout; /* session timeout */
-#ifdef HAVE_ECC
- word16 eccTempKeySz; /* in octets 20 - 66 */
- word32 pkCurveOID; /* curve Ecc_Sum */
-#endif
-#ifndef NO_PSK
- byte havePSK; /* psk key set by user */
- psk_client_callback client_psk_cb; /* client callback */
- psk_server_callback server_psk_cb; /* server callback */
- char server_hint[MAX_PSK_ID_LEN];
-#endif /* NO_PSK */
-#ifdef HAVE_ANON
- byte haveAnon; /* User wants to allow Anon suites */
-#endif /* HAVE_ANON */
-#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
- pem_password_cb passwd_cb;
- void* userdata;
-#endif /* OPENSSL_EXTRA */
-#ifdef HAVE_OCSP
- WOLFSSL_OCSP ocsp;
-#endif
-#ifdef HAVE_CAVIUM
- int devId; /* cavium device id to use */
-#endif
-#ifdef HAVE_TLS_EXTENSIONS
- TLSX* extensions; /* RFC 6066 TLS Extensions data */
- #if defined(HAVE_SESSION_TICKET) && !defined(NO_WOLFSSL_SEVER)
- SessionTicketEncCb ticketEncCb; /* enc/dec session ticket Cb */
- void* ticketEncCtx; /* session encrypt context */
- int ticketHint; /* ticket hint in seconds */
- #endif
-#endif
-#ifdef ATOMIC_USER
- CallbackMacEncrypt MacEncryptCb; /* Atomic User Mac/Encrypt Cb */
- CallbackDecryptVerify DecryptVerifyCb; /* Atomic User Decrypt/Verify Cb */
-#endif
-#ifdef HAVE_PK_CALLBACKS
- #ifdef HAVE_ECC
- CallbackEccSign EccSignCb; /* User EccSign Callback handler */
- CallbackEccVerify EccVerifyCb; /* User EccVerify Callback handler */
- #endif /* HAVE_ECC */
- #ifndef NO_RSA
- CallbackRsaSign RsaSignCb; /* User RsaSign Callback handler */
- CallbackRsaVerify RsaVerifyCb; /* User RsaVerify Callback handler */
- CallbackRsaEnc RsaEncCb; /* User Rsa Public Encrypt handler */
- CallbackRsaDec RsaDecCb; /* User Rsa Private Decrypt handler */
- #endif /* NO_RSA */
-#endif /* HAVE_PK_CALLBACKS */
-};
-
-
-WOLFSSL_LOCAL
-int InitSSL_Ctx(WOLFSSL_CTX*, WOLFSSL_METHOD*);
-WOLFSSL_LOCAL
-void FreeSSL_Ctx(WOLFSSL_CTX*);
-WOLFSSL_LOCAL
-void SSL_CtxResourceFree(WOLFSSL_CTX*);
-
-WOLFSSL_LOCAL
-int DeriveTlsKeys(WOLFSSL* ssl);
-WOLFSSL_LOCAL
-int ProcessOldClientHello(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
- word32 inSz, word16 sz);
-#ifndef NO_CERTS
- WOLFSSL_LOCAL
- int AddCA(WOLFSSL_CERT_MANAGER* ctx, buffer der, int type, int verify);
- WOLFSSL_LOCAL
- int AlreadySigner(WOLFSSL_CERT_MANAGER* cm, byte* hash);
-#endif
-
-/* All cipher suite related info */
-typedef struct CipherSpecs {
- word16 key_size;
- word16 iv_size;
- word16 block_size;
- word16 aead_mac_size;
- byte bulk_cipher_algorithm;
- byte cipher_type; /* block, stream, or aead */
- byte mac_algorithm;
- byte kea; /* key exchange algo */
- byte sig_algo;
- byte hash_size;
- byte pad_size;
- byte static_ecdh;
-} CipherSpecs;
-
-
-void InitCipherSpecs(CipherSpecs* cs);
-
-
-/* Supported Message Authentication Codes from page 43 */
-enum MACAlgorithm {
- no_mac,
- md5_mac,
- sha_mac,
- sha224_mac,
- sha256_mac, /* needs to match external KDF_MacAlgorithm */
- sha384_mac,
- sha512_mac,
- rmd_mac,
- blake2b_mac
-};
-
-
-/* Supported Key Exchange Protocols */
-enum KeyExchangeAlgorithm {
- no_kea,
- rsa_kea,
- diffie_hellman_kea,
- fortezza_kea,
- psk_kea,
- dhe_psk_kea,
- ntru_kea,
- ecc_diffie_hellman_kea,
- ecc_static_diffie_hellman_kea /* for verify suite only */
-};
-
-
-/* Supported Authentication Schemes */
-enum SignatureAlgorithm {
- anonymous_sa_algo,
- rsa_sa_algo,
- dsa_sa_algo,
- ecc_dsa_sa_algo
-};
-
-
-/* Supprted ECC Curve Types */
-enum EccCurves {
- named_curve = 3
-};
-
-
-/* Valid client certificate request types from page 27 */
-enum ClientCertificateType {
- rsa_sign = 1,
- dss_sign = 2,
- rsa_fixed_dh = 3,
- dss_fixed_dh = 4,
- rsa_ephemeral_dh = 5,
- dss_ephemeral_dh = 6,
- fortezza_kea_cert = 20,
- ecdsa_sign = 64,
- rsa_fixed_ecdh = 65,
- ecdsa_fixed_ecdh = 66
-};
-
-
-enum CipherType { stream, block, aead };
-
-
-
-
-
-
-/* cipher for now */
-typedef struct Ciphers {
-#ifdef BUILD_ARC4
- Arc4* arc4;
-#endif
-#ifdef BUILD_DES3
- Des3* des3;
-#endif
-#if defined(BUILD_AES) || defined(BUILD_AESGCM)
- Aes* aes;
-#endif
-#ifdef HAVE_CAMELLIA
- Camellia* cam;
-#endif
-#ifdef HAVE_CHACHA
- ChaCha* chacha;
-#endif
-#ifdef HAVE_HC128
- HC128* hc128;
-#endif
-#ifdef BUILD_RABBIT
- Rabbit* rabbit;
-#endif
- byte setup; /* have we set it up flag for detection */
-} Ciphers;
-
-
-#ifdef HAVE_ONE_TIME_AUTH
-/* Ciphers for one time authentication such as poly1305 */
-typedef struct OneTimeAuth {
-#ifdef HAVE_POLY1305
- Poly1305* poly1305;
-#endif
- byte setup; /* flag for if a cipher has been set */
-
-} OneTimeAuth;
-#endif
-
-
-WOLFSSL_LOCAL void InitCiphers(WOLFSSL* ssl);
-WOLFSSL_LOCAL void FreeCiphers(WOLFSSL* ssl);
-
-
-/* hashes type */
-typedef struct Hashes {
- #ifndef NO_OLD_TLS
- byte md5[MD5_DIGEST_SIZE];
- #endif
- byte sha[SHA_DIGEST_SIZE];
- #ifndef NO_SHA256
- byte sha256[SHA256_DIGEST_SIZE];
- #endif
- #ifdef WOLFSSL_SHA384
- byte sha384[SHA384_DIGEST_SIZE];
- #endif
- #ifdef WOLFSSL_SHA512
- byte sha512[SHA512_DIGEST_SIZE];
- #endif
-} Hashes;
-
-
-/* Static x509 buffer */
-typedef struct x509_buffer {
- int length; /* actual size */
- byte buffer[MAX_X509_SIZE]; /* max static cert size */
-} x509_buffer;
-
-
-/* wolfSSL X509_CHAIN, for no dynamic memory SESSION_CACHE */
-struct WOLFSSL_X509_CHAIN {
- int count; /* total number in chain */
- x509_buffer certs[MAX_CHAIN_DEPTH]; /* only allow max depth 4 for now */
-};
-
-
-/* wolfSSL session type */
-struct WOLFSSL_SESSION {
- word32 bornOn; /* create time in seconds */
- word32 timeout; /* timeout in seconds */
- byte sessionID[ID_LEN]; /* id for protocol */
- byte sessionIDSz;
- byte masterSecret[SECRET_LEN]; /* stored secret */
-#ifdef SESSION_CERTS
- WOLFSSL_X509_CHAIN chain; /* peer cert chain, static */
- ProtocolVersion version; /* which version was used */
- byte cipherSuite0; /* first byte, normally 0 */
- byte cipherSuite; /* 2nd byte, actual suite */
-#endif
-#ifndef NO_CLIENT_CACHE
- word16 idLen; /* serverID length */
- byte serverID[SERVER_ID_LEN]; /* for easier client lookup */
-#endif
-#ifdef HAVE_SESSION_TICKET
- word16 ticketLen;
- byte ticket[SESSION_TICKET_LEN];
-#endif
-};
-
-
-WOLFSSL_LOCAL
-WOLFSSL_SESSION* GetSession(WOLFSSL*, byte*);
-WOLFSSL_LOCAL
-int SetSession(WOLFSSL*, WOLFSSL_SESSION*);
-
-typedef int (*hmacfp) (WOLFSSL*, byte*, const byte*, word32, int, int);
-
-#ifndef NO_CLIENT_CACHE
- WOLFSSL_SESSION* GetSessionClient(WOLFSSL*, const byte*, int);
-#endif
-
-/* client connect state for nonblocking restart */
-enum ConnectState {
- CONNECT_BEGIN = 0,
- CLIENT_HELLO_SENT,
- HELLO_AGAIN, /* HELLO_AGAIN s for DTLS case */
- HELLO_AGAIN_REPLY,
- FIRST_REPLY_DONE,
- FIRST_REPLY_FIRST,
- FIRST_REPLY_SECOND,
- FIRST_REPLY_THIRD,
- FIRST_REPLY_FOURTH,
- FINISHED_DONE,
- SECOND_REPLY_DONE
-};
-
-
-/* server accept state for nonblocking restart */
-enum AcceptState {
- ACCEPT_BEGIN = 0,
- ACCEPT_CLIENT_HELLO_DONE,
- HELLO_VERIFY_SENT,
- ACCEPT_FIRST_REPLY_DONE,
- SERVER_HELLO_SENT,
- CERT_SENT,
- KEY_EXCHANGE_SENT,
- CERT_REQ_SENT,
- SERVER_HELLO_DONE,
- ACCEPT_SECOND_REPLY_DONE,
- TICKET_SENT,
- CHANGE_CIPHER_SENT,
- ACCEPT_FINISHED_DONE,
- ACCEPT_THIRD_REPLY_DONE
-};
-
-
-typedef struct Buffers {
- bufferStatic inputBuffer;
- bufferStatic outputBuffer;
- buffer domainName; /* for client check */
- buffer clearOutputBuffer;
- int prevSent; /* previous plain text bytes sent
- when got WANT_WRITE */
- int plainSz; /* plain text bytes in buffer to send
- when got WANT_WRITE */
- byte weOwnCert; /* SSL own cert flag */
- byte weOwnCertChain; /* SSL own cert chain flag */
- byte weOwnKey; /* SSL own key flag */
- byte weOwnDH; /* SSL own dh (p,g) flag */
-#ifndef NO_DH
- buffer serverDH_P; /* WOLFSSL_CTX owns, unless we own */
- buffer serverDH_G; /* WOLFSSL_CTX owns, unless we own */
- buffer serverDH_Pub;
- buffer serverDH_Priv;
-#endif
-#ifndef NO_CERTS
- buffer certificate; /* WOLFSSL_CTX owns, unless we own */
- buffer key; /* WOLFSSL_CTX owns, unless we own */
- buffer certChain; /* WOLFSSL_CTX owns, unless we own */
- /* chain after self, in DER, with leading size for each cert */
-#endif
-#ifdef WOLFSSL_DTLS
- WOLFSSL_DTLS_CTX dtlsCtx; /* DTLS connection context */
-#endif
-#ifdef HAVE_PK_CALLBACKS
- #ifdef HAVE_ECC
- buffer peerEccDsaKey; /* we own for Ecc Verify Callbacks */
- #endif /* HAVE_ECC */
- #ifndef NO_RSA
- buffer peerRsaKey; /* we own for Rsa Verify Callbacks */
- #endif /* NO_RSA */
-#endif /* HAVE_PK_CALLBACKS */
-} Buffers;
-
-typedef struct Options {
-#ifndef NO_PSK
- psk_client_callback client_psk_cb;
- psk_server_callback server_psk_cb;
- word16 havePSK:1; /* psk key set by user */
-#endif /* NO_PSK */
-
- /* on/off or small bit flags, optimize layout */
- word16 sendVerify:2; /* false = 0, true = 1, sendBlank = 2 */
- word16 sessionCacheOff:1;
- word16 sessionCacheFlushOff:1;
- word16 side:1; /* client or server end */
- word16 verifyPeer:1;
- word16 verifyNone:1;
- word16 failNoCert:1;
- word16 downgrade:1; /* allow downgrade of versions */
- word16 resuming:1;
- word16 haveSessionId:1; /* server may not send */
- word16 tls:1; /* using TLS ? */
- word16 tls1_1:1; /* using TLSv1.1+ ? */
- word16 dtls:1; /* using datagrams ? */
- word16 connReset:1; /* has the peer reset */
- word16 isClosed:1; /* if we consider conn closed */
- word16 closeNotify:1; /* we've recieved a close notify */
- word16 sentNotify:1; /* we've sent a close notify */
- word16 usingCompression:1; /* are we using compression */
- word16 haveRSA:1; /* RSA available */
- word16 haveDH:1; /* server DH parms set by user */
- word16 haveNTRU:1; /* server NTRU private key loaded */
- word16 haveECDSAsig:1; /* server ECDSA signed cert */
- word16 haveStaticECC:1; /* static server ECC private key */
- word16 havePeerCert:1; /* do we have peer's cert */
- word16 havePeerVerify:1; /* and peer's cert verify */
- word16 usingPSK_cipher:1; /* are using psk as cipher */
- word16 usingAnon_cipher:1; /* are we using an anon cipher */
- word16 sendAlertState:1; /* nonblocking resume */
- word16 partialWrite:1; /* only one msg per write call */
- word16 quietShutdown:1; /* don't send close notify */
- word16 certOnly:1; /* stop once we get cert */
- word16 groupMessages:1; /* group handshake messages */
- word16 usingNonblock:1; /* are we using nonblocking socket */
- word16 saveArrays:1; /* save array Memory for user get keys
- or psk */
-#ifdef HAVE_POLY1305
- word16 oldPoly:1; /* set when to use old rfc way of poly*/
-#endif
-#ifdef HAVE_ANON
- word16 haveAnon:1; /* User wants to allow Anon suites */
-#endif
-#ifdef HAVE_SESSION_TICKET
- word16 createTicket:1; /* Server to create new Ticket */
- word16 useTicket:1; /* Use Ticket not session cache */
-#endif
-
- /* need full byte values for this section */
- byte processReply; /* nonblocking resume */
- byte cipherSuite0; /* first byte, normally 0 */
- byte cipherSuite; /* second byte, actual suite */
- byte serverState;
- byte clientState;
- byte handShakeState;
- byte handShakeDone; /* at least one handshake complete */
- byte minDowngrade; /* minimum downgrade version */
- byte connectState; /* nonblocking resume */
- byte acceptState; /* nonblocking resume */
-#ifndef NO_DH
- word16 minDhKeySz; /* minimum DH key size */
- word16 dhKeySz; /* actual DH key size */
-#endif
-
-} Options;
-
-typedef struct Arrays {
- word32 preMasterSz; /* differs for DH, actual size */
-#ifndef NO_PSK
- word32 psk_keySz; /* acutal size */
- char client_identity[MAX_PSK_ID_LEN];
- char server_hint[MAX_PSK_ID_LEN];
- byte psk_key[MAX_PSK_KEY_LEN];
-#endif
- byte clientRandom[RAN_LEN];
- byte serverRandom[RAN_LEN];
- byte sessionID[ID_LEN];
- byte sessionIDSz;
- byte preMasterSecret[ENCRYPT_LEN];
- byte masterSecret[SECRET_LEN];
-#ifdef WOLFSSL_DTLS
- byte cookie[MAX_COOKIE_LEN];
- byte cookieSz;
-#endif
-} Arrays;
-
-#ifndef ASN_NAME_MAX
-#define ASN_NAME_MAX 256
-#endif
-
-#ifndef MAX_DATE_SZ
-#define MAX_DATE_SZ 32
-#endif
-
-struct WOLFSSL_X509_NAME {
- char *name;
- char staticName[ASN_NAME_MAX];
- int dynamicName;
- int sz;
-#ifdef OPENSSL_EXTRA
- DecodedName fullName;
-#endif /* OPENSSL_EXTRA */
-};
-
-#ifndef EXTERNAL_SERIAL_SIZE
- #define EXTERNAL_SERIAL_SIZE 32
-#endif
-
-#ifdef NO_ASN
- typedef struct DNS_entry DNS_entry;
-#endif
-
-struct WOLFSSL_X509 {
- int version;
- WOLFSSL_X509_NAME issuer;
- WOLFSSL_X509_NAME subject;
- int serialSz;
- byte serial[EXTERNAL_SERIAL_SIZE];
- char subjectCN[ASN_NAME_MAX]; /* common name short cut */
-#ifdef WOLFSSL_SEP
- int deviceTypeSz;
- byte deviceType[EXTERNAL_SERIAL_SIZE];
- int hwTypeSz;
- byte hwType[EXTERNAL_SERIAL_SIZE];
- int hwSerialNumSz;
- byte hwSerialNum[EXTERNAL_SERIAL_SIZE];
- #ifdef OPENSSL_EXTRA
- byte certPolicySet;
- byte certPolicyCrit;
- #endif /* OPENSSL_EXTRA */
-#endif
- int notBeforeSz;
- byte notBefore[MAX_DATE_SZ];
- int notAfterSz;
- byte notAfter[MAX_DATE_SZ];
- int sigOID;
- buffer sig;
- int pubKeyOID;
- buffer pubKey;
- #ifdef HAVE_ECC
- word32 pkCurveOID;
- #endif /* HAVE_ECC */
- buffer derCert; /* may need */
- DNS_entry* altNames; /* alt names list */
- DNS_entry* altNamesNext; /* hint for retrieval */
- byte dynamicMemory; /* dynamic memory flag */
- byte isCa;
-#ifdef OPENSSL_EXTRA
- word32 pathLength;
- word16 keyUsage;
- byte basicConstSet;
- byte basicConstCrit;
- byte basicConstPlSet;
- byte subjAltNameSet;
- byte subjAltNameCrit;
- byte authKeyIdSet;
- byte authKeyIdCrit;
- byte* authKeyId;
- word32 authKeyIdSz;
- byte subjKeyIdSet;
- byte subjKeyIdCrit;
- byte* subjKeyId;
- word32 subjKeyIdSz;
- byte keyUsageSet;
- byte keyUsageCrit;
-#endif /* OPENSSL_EXTRA */
-};
-
-
-/* record layer header for PlainText, Compressed, and CipherText */
-typedef struct RecordLayerHeader {
- byte type;
- byte pvMajor;
- byte pvMinor;
- byte length[2];
-} RecordLayerHeader;
-
-
-/* record layer header for DTLS PlainText, Compressed, and CipherText */
-typedef struct DtlsRecordLayerHeader {
- byte type;
- byte pvMajor;
- byte pvMinor;
- byte epoch[2]; /* increment on cipher state change */
- byte sequence_number[6]; /* per record */
- byte length[2];
-} DtlsRecordLayerHeader;
-
-
-typedef struct DtlsPool {
- buffer buf[DTLS_POOL_SZ];
- int used;
-} DtlsPool;
-
-typedef struct DtlsMsg {
- struct DtlsMsg* next;
- word32 seq; /* Handshake sequence number */
- word32 sz; /* Length of whole mesage */
- word32 fragSz; /* Length of fragments received */
- byte type;
- byte* buf;
- byte* msg;
-} DtlsMsg;
-
-
-#ifdef HAVE_NETX
-
- /* NETX I/O Callback default */
- typedef struct NetX_Ctx {
- NX_TCP_SOCKET* nxSocket; /* send/recv socket handle */
- NX_PACKET* nxPacket; /* incoming packet handle for short reads */
- ULONG nxOffset; /* offset already read from nxPacket */
- ULONG nxWait; /* wait option flag */
- } NetX_Ctx;
-
-#endif
-
-
-/* Handshake messages recevied from peer (plus change cipher */
-typedef struct MsgsReceived {
- word16 got_hello_request:1;
- word16 got_client_hello:1;
- word16 got_server_hello:1;
- word16 got_hello_verify_request:1;
- word16 got_session_ticket:1;
- word16 got_certificate:1;
- word16 got_server_key_exchange:1;
- word16 got_certificate_request:1;
- word16 got_server_hello_done:1;
- word16 got_certificate_verify:1;
- word16 got_client_key_exchange:1;
- word16 got_finished:1;
- word16 got_change_cipher:1;
-} MsgsReceived;
-
-
-/* Handshake hashes */
-typedef struct HS_Hashes {
- Hashes verifyHashes;
- Hashes certHashes; /* for cert verify */
-#ifndef NO_OLD_TLS
-#ifndef NO_SHA
- Sha hashSha; /* sha hash of handshake msgs */
-#endif
-#ifndef NO_MD5
- Md5 hashMd5; /* md5 hash of handshake msgs */
-#endif
-#endif /* NO_OLD_TLS */
-#ifndef NO_SHA256
- Sha256 hashSha256; /* sha256 hash of handshake msgs */
-#endif
-#ifdef WOLFSSL_SHA384
- Sha384 hashSha384; /* sha384 hash of handshake msgs */
-#endif
-#ifdef WOLFSSL_SHA512
- Sha512 hashSha512; /* sha512 hash of handshake msgs */
-#endif
-} HS_Hashes;
-
-
-/* wolfSSL ssl type */
-struct WOLFSSL {
- WOLFSSL_CTX* ctx;
- Suites* suites; /* only need during handshake */
- Arrays* arrays;
- HS_Hashes* hsHashes;
- void* IOCB_ReadCtx;
- void* IOCB_WriteCtx;
- RNG* rng;
- void* verifyCbCtx; /* cert verify callback user ctx*/
- VerifyCallback verifyCallback; /* cert verification callback */
- void* heap; /* for user overrides */
-#ifndef NO_HANDSHAKE_DONE_CB
- HandShakeDoneCb hsDoneCb; /* notify user handshake done */
- void* hsDoneCtx; /* user handshake cb context */
-#endif
- WOLFSSL_CIPHER cipher;
- hmacfp hmac;
- Ciphers encrypt;
- Ciphers decrypt;
- Buffers buffers;
- WOLFSSL_SESSION session;
- WOLFSSL_ALERT_HISTORY alert_history;
- int error;
- int rfd; /* read file descriptor */
- int wfd; /* write file descriptor */
- int rflags; /* user read flags */
- int wflags; /* user write flags */
- word32 timeout; /* session timeout */
- word16 curSize;
- RecordLayerHeader curRL;
- MsgsReceived msgsReceived; /* peer messages received */
- ProtocolVersion version; /* negotiated version */
- ProtocolVersion chVersion; /* client hello version */
- CipherSpecs specs;
- Keys keys;
- Options options;
-#ifdef OPENSSL_EXTRA
- WOLFSSL_BIO* biord; /* socket bio read to free/close */
- WOLFSSL_BIO* biowr; /* socket bio write to free/close */
-#endif
-#ifndef NO_RSA
- RsaKey* peerRsaKey;
- byte peerRsaKeyPresent;
-#endif
-#ifdef HAVE_NTRU
- word16 peerNtruKeyLen;
- byte peerNtruKey[MAX_NTRU_PUB_KEY_SZ];
- byte peerNtruKeyPresent;
-#endif
-#ifdef HAVE_ECC
- ecc_key* peerEccKey; /* peer's ECDHE key */
- ecc_key* peerEccDsaKey; /* peer's ECDSA key */
- ecc_key* eccTempKey; /* private ECDHE key */
- word32 pkCurveOID; /* curve Ecc_Sum */
- word16 eccTempKeySz; /* in octets 20 - 66 */
- byte peerEccKeyPresent;
- byte peerEccDsaKeyPresent;
- byte eccTempKeyPresent;
-#endif
-#ifdef HAVE_LIBZ
- z_stream c_stream; /* compression stream */
- z_stream d_stream; /* decompression stream */
- byte didStreamInit; /* for stream init and end */
-#endif
-#ifdef WOLFSSL_DTLS
- int dtls_timeout_init; /* starting timeout vaule */
- int dtls_timeout_max; /* maximum timeout value */
- int dtls_timeout; /* current timeout value, changes */
- DtlsPool* dtls_pool;
- DtlsMsg* dtls_msg_list;
- void* IOCB_CookieCtx; /* gen cookie ctx */
- word32 dtls_expected_rx;
-#endif
-#ifdef WOLFSSL_CALLBACKS
- HandShakeInfo handShakeInfo; /* info saved during handshake */
- TimeoutInfo timeoutInfo; /* info saved during handshake */
- byte hsInfoOn; /* track handshake info */
- byte toInfoOn; /* track timeout info */
-#endif
-#ifdef HAVE_FUZZER
- CallbackFuzzer fuzzerCb; /* for testing with using fuzzer */
- void* fuzzerCtx; /* user defined pointer */
-#endif
-#ifdef KEEP_PEER_CERT
- WOLFSSL_X509 peerCert; /* X509 peer cert */
-#endif
-#ifdef FORTRESS
- void* ex_data[MAX_EX_DATA]; /* external data, for Fortress */
-#endif
-#ifdef HAVE_CAVIUM
- int devId; /* cavium device id to use */
-#endif
-#ifdef HAVE_ONE_TIME_AUTH
- OneTimeAuth auth;
-#endif
-#ifdef HAVE_TLS_EXTENSIONS
- TLSX* extensions; /* RFC 6066 TLS Extensions data */
- #ifdef HAVE_MAX_FRAGMENT
- word16 max_fragment;
- #endif
- #ifdef HAVE_TRUNCATED_HMAC
- byte truncated_hmac;
- #endif
- #ifdef HAVE_SECURE_RENEGOTIATION
- SecureRenegotiation* secure_renegotiation; /* valid pointer indicates */
- #endif /* user turned on */
- #if !defined(NO_WOLFSSL_CLIENT) && defined(HAVE_SESSION_TICKET)
- CallbackSessionTicket session_ticket_cb;
- void* session_ticket_ctx;
- byte expect_session_ticket;
- #endif
-#endif /* HAVE_TLS_EXTENSIONS */
-#ifdef HAVE_NETX
- NetX_Ctx nxCtx; /* NetX IO Context */
-#endif
-#ifdef SESSION_INDEX
- int sessionIndex; /* Session's location in the cache. */
-#endif
-#ifdef ATOMIC_USER
- void* MacEncryptCtx; /* Atomic User Mac/Encrypt Callback Context */
- void* DecryptVerifyCtx; /* Atomic User Decrypt/Verify Callback Context */
-#endif
-#ifdef HAVE_PK_CALLBACKS
- #ifdef HAVE_ECC
- void* EccSignCtx; /* Ecc Sign Callback Context */
- void* EccVerifyCtx; /* Ecc Verify Callback Context */
- #endif /* HAVE_ECC */
- #ifndef NO_RSA
- void* RsaSignCtx; /* Rsa Sign Callback Context */
- void* RsaVerifyCtx; /* Rsa Verify Callback Context */
- void* RsaEncCtx; /* Rsa Public Encrypt Callback Context */
- void* RsaDecCtx; /* Rsa Private Decrypt Callback Context */
- #endif /* NO_RSA */
-#endif /* HAVE_PK_CALLBACKS */
-#ifdef HAVE_SECRET_CALLBACK
- SessionSecretCb sessionSecretCb;
- void* sessionSecretCtx;
-#endif /* HAVE_SECRET_CALLBACK */
-};
-
-
-WOLFSSL_LOCAL
-int InitSSL(WOLFSSL*, WOLFSSL_CTX*);
-WOLFSSL_LOCAL
-void FreeSSL(WOLFSSL*);
-WOLFSSL_API void SSL_ResourceFree(WOLFSSL*); /* Micrium uses */
-
-
-enum {
- IV_SZ = 32, /* max iv sz */
- NAME_SZ = 80 /* max one line */
-};
-
-
-typedef struct EncryptedInfo {
- char name[NAME_SZ]; /* encryption name */
- byte iv[IV_SZ]; /* encrypted IV */
- word32 ivSz; /* encrypted IV size */
- long consumed; /* tracks PEM bytes consumed */
- byte set; /* if encryption set */
- WOLFSSL_CTX* ctx; /* CTX owner */
-} EncryptedInfo;
-
-
-#ifndef NO_CERTS
- WOLFSSL_LOCAL int PemToDer(const unsigned char* buff, long sz, int type,
- buffer* der, void* heap, EncryptedInfo* info,
- int* eccKey);
-
- WOLFSSL_LOCAL int ProcessFile(WOLFSSL_CTX* ctx, const char* fname, int format,
- int type, WOLFSSL* ssl, int userChain,
- WOLFSSL_CRL* crl);
-#endif
-
-
-#ifdef WOLFSSL_CALLBACKS
- WOLFSSL_LOCAL
- void InitHandShakeInfo(HandShakeInfo*);
- WOLFSSL_LOCAL
- void FinishHandShakeInfo(HandShakeInfo*, const WOLFSSL*);
- WOLFSSL_LOCAL
- void AddPacketName(const char*, HandShakeInfo*);
-
- WOLFSSL_LOCAL
- void InitTimeoutInfo(TimeoutInfo*);
- WOLFSSL_LOCAL
- void FreeTimeoutInfo(TimeoutInfo*, void*);
- WOLFSSL_LOCAL
- void AddPacketInfo(const char*, TimeoutInfo*, const byte*, int, void*);
- WOLFSSL_LOCAL
- void AddLateName(const char*, TimeoutInfo*);
- WOLFSSL_LOCAL
- void AddLateRecordHeader(const RecordLayerHeader* rl, TimeoutInfo* info);
-#endif
-
-
-/* Record Layer Header identifier from page 12 */
-enum ContentType {
- no_type = 0,
- change_cipher_spec = 20,
- alert = 21,
- handshake = 22,
- application_data = 23
-};
-
-
-/* handshake header, same for each message type, pgs 20/21 */
-typedef struct HandShakeHeader {
- byte type;
- word24 length;
-} HandShakeHeader;
-
-
-/* DTLS handshake header, same for each message type */
-typedef struct DtlsHandShakeHeader {
- byte type;
- word24 length;
- byte message_seq[2]; /* start at 0, restransmit gets same # */
- word24 fragment_offset; /* bytes in previous fragments */
- word24 fragment_length; /* length of this fragment */
-} DtlsHandShakeHeader;
-
-
-enum HandShakeType {
- no_shake = -1,
- hello_request = 0,
- client_hello = 1,
- server_hello = 2,
- hello_verify_request = 3, /* DTLS addition */
- session_ticket = 4,
- certificate = 11,
- server_key_exchange = 12,
- certificate_request = 13,
- server_hello_done = 14,
- certificate_verify = 15,
- client_key_exchange = 16,
- finished = 20,
- certificate_status = 22,
- change_cipher_hs = 55 /* simulate unique handshake type for sanity
- checks. record layer change_cipher
- conflicts with handshake finished */
-};
-
-
-static const byte client[SIZEOF_SENDER] = { 0x43, 0x4C, 0x4E, 0x54 };
-static const byte server[SIZEOF_SENDER] = { 0x53, 0x52, 0x56, 0x52 };
-
-static const byte tls_client[FINISHED_LABEL_SZ + 1] = "client finished";
-static const byte tls_server[FINISHED_LABEL_SZ + 1] = "server finished";
-
-
-/* internal functions */
-WOLFSSL_LOCAL int SendChangeCipher(WOLFSSL*);
-WOLFSSL_LOCAL int SendTicket(WOLFSSL*);
-WOLFSSL_LOCAL int DoClientTicket(WOLFSSL*, const byte*, word32);
-WOLFSSL_LOCAL int SendData(WOLFSSL*, const void*, int);
-WOLFSSL_LOCAL int SendCertificate(WOLFSSL*);
-WOLFSSL_LOCAL int SendCertificateRequest(WOLFSSL*);
-WOLFSSL_LOCAL int SendServerKeyExchange(WOLFSSL*);
-WOLFSSL_LOCAL int SendBuffered(WOLFSSL*);
-WOLFSSL_LOCAL int ReceiveData(WOLFSSL*, byte*, int, int);
-WOLFSSL_LOCAL int SendFinished(WOLFSSL*);
-WOLFSSL_LOCAL int SendAlert(WOLFSSL*, int, int);
-WOLFSSL_LOCAL int ProcessReply(WOLFSSL*);
-
-WOLFSSL_LOCAL int SetCipherSpecs(WOLFSSL*);
-WOLFSSL_LOCAL int MakeMasterSecret(WOLFSSL*);
-
-WOLFSSL_LOCAL int AddSession(WOLFSSL*);
-WOLFSSL_LOCAL int DeriveKeys(WOLFSSL* ssl);
-WOLFSSL_LOCAL int StoreKeys(WOLFSSL* ssl, const byte* keyData);
-
-WOLFSSL_LOCAL int IsTLS(const WOLFSSL* ssl);
-WOLFSSL_LOCAL int IsAtLeastTLSv1_2(const WOLFSSL* ssl);
-
-WOLFSSL_LOCAL void FreeHandshakeResources(WOLFSSL* ssl);
-WOLFSSL_LOCAL void ShrinkInputBuffer(WOLFSSL* ssl, int forcedFree);
-WOLFSSL_LOCAL void ShrinkOutputBuffer(WOLFSSL* ssl);
-
-WOLFSSL_LOCAL int VerifyClientSuite(WOLFSSL* ssl);
-#ifndef NO_CERTS
- WOLFSSL_LOCAL Signer* GetCA(void* cm, byte* hash);
- #ifndef NO_SKID
- WOLFSSL_LOCAL Signer* GetCAByName(void* cm, byte* hash);
- #endif
-#endif
-WOLFSSL_LOCAL int BuildTlsFinished(WOLFSSL* ssl, Hashes* hashes,
- const byte* sender);
-WOLFSSL_LOCAL void FreeArrays(WOLFSSL* ssl, int keep);
-WOLFSSL_LOCAL int CheckAvailableSize(WOLFSSL *ssl, int size);
-WOLFSSL_LOCAL int GrowInputBuffer(WOLFSSL* ssl, int size, int usedLength);
-
-#ifndef NO_TLS
- WOLFSSL_LOCAL int MakeTlsMasterSecret(WOLFSSL*);
- WOLFSSL_LOCAL int TLS_hmac(WOLFSSL* ssl, byte* digest, const byte* in,
- word32 sz, int content, int verify);
-#endif
-
-#ifndef NO_WOLFSSL_CLIENT
- WOLFSSL_LOCAL int SendClientHello(WOLFSSL*);
- WOLFSSL_LOCAL int SendClientKeyExchange(WOLFSSL*);
- WOLFSSL_LOCAL int SendCertificateVerify(WOLFSSL*);
-#endif /* NO_WOLFSSL_CLIENT */
-
-#ifndef NO_WOLFSSL_SERVER
- WOLFSSL_LOCAL int SendServerHello(WOLFSSL*);
- WOLFSSL_LOCAL int SendServerHelloDone(WOLFSSL*);
- #ifdef WOLFSSL_DTLS
- WOLFSSL_LOCAL int SendHelloVerifyRequest(WOLFSSL*);
- #endif
-#endif /* NO_WOLFSSL_SERVER */
-
-#ifdef WOLFSSL_DTLS
- WOLFSSL_LOCAL int DtlsPoolInit(WOLFSSL*);
- WOLFSSL_LOCAL int DtlsPoolSave(WOLFSSL*, const byte*, int);
- WOLFSSL_LOCAL int DtlsPoolTimeout(WOLFSSL*);
- WOLFSSL_LOCAL int DtlsPoolSend(WOLFSSL*);
- WOLFSSL_LOCAL void DtlsPoolReset(WOLFSSL*);
-
- WOLFSSL_LOCAL DtlsMsg* DtlsMsgNew(word32, void*);
- WOLFSSL_LOCAL void DtlsMsgDelete(DtlsMsg*, void*);
- WOLFSSL_LOCAL void DtlsMsgListDelete(DtlsMsg*, void*);
- WOLFSSL_LOCAL void DtlsMsgSet(DtlsMsg*, word32, const byte*, byte,
- word32, word32);
- WOLFSSL_LOCAL DtlsMsg* DtlsMsgFind(DtlsMsg*, word32);
- WOLFSSL_LOCAL DtlsMsg* DtlsMsgStore(DtlsMsg*, word32, const byte*, word32,
- byte, word32, word32, void*);
- WOLFSSL_LOCAL DtlsMsg* DtlsMsgInsert(DtlsMsg*, DtlsMsg*);
-#endif /* WOLFSSL_DTLS */
-
-#ifndef NO_TLS
-
-
-#endif /* NO_TLS */
-
-
-WOLFSSL_LOCAL word32 LowResTimer(void);
-
-WOLFSSL_LOCAL void InitX509Name(WOLFSSL_X509_NAME*, int);
-WOLFSSL_LOCAL void FreeX509Name(WOLFSSL_X509_NAME* name);
-WOLFSSL_LOCAL void InitX509(WOLFSSL_X509*, int);
-WOLFSSL_LOCAL void FreeX509(WOLFSSL_X509*);
-#ifndef NO_CERTS
- WOLFSSL_LOCAL int CopyDecodedToX509(WOLFSSL_X509*, DecodedCert*);
-#endif
-
-/* used by ssl.c and wolfssl_int.c */
-WOLFSSL_LOCAL void c32to24(word32 in, word24 out);
-
-WOLFSSL_LOCAL const char* const* GetCipherNames(void);
-WOLFSSL_LOCAL int GetCipherNamesSize(void);
-
-
-enum encrypt_side {
- ENCRYPT_SIDE_ONLY = 1,
- DECRYPT_SIDE_ONLY,
- ENCRYPT_AND_DECRYPT_SIDE
-};
-
-WOLFSSL_LOCAL int SetKeysSide(WOLFSSL*, enum encrypt_side);
-
-
-#ifdef __cplusplus
- } /* extern "C" */
-#endif
-
-#endif /* wolfSSL_INT_H */
-
+/* internal.h
+ *
+ * Copyright (C) 2006-2015 wolfSSL Inc.
+ *
+ * This file is part of wolfSSL. (formerly known as wolfSSL)
+ *
+ * wolfSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * wolfSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+
+#ifndef WOLFSSL_INT_H
+#define WOLFSSL_INT_H
+
+
+#include <wolfssl/wolfcrypt/types.h>
+#include <wolfssl/ssl.h>
+#ifdef HAVE_CRL
+ #include <wolfssl/crl.h>
+#endif
+#include <wolfssl/wolfcrypt/random.h>
+#ifndef NO_DES3
+ #include <wolfssl/wolfcrypt/des3.h>
+#endif
+#ifndef NO_HC128
+ #include <wolfssl/wolfcrypt/hc128.h>
+#endif
+#ifndef NO_RABBIT
+ #include <wolfssl/wolfcrypt/rabbit.h>
+#endif
+#ifdef HAVE_CHACHA
+ #include <wolfssl/wolfcrypt/chacha.h>
+#endif
+#ifndef NO_ASN
+ #include <wolfssl/wolfcrypt/asn.h>
+#endif
+#ifndef NO_MD5
+ #include <wolfssl/wolfcrypt/md5.h>
+#endif
+#ifndef NO_SHA
+ #include <wolfssl/wolfcrypt/sha.h>
+#endif
+#ifndef NO_AES
+ #include <wolfssl/wolfcrypt/aes.h>
+#endif
+#ifdef HAVE_POLY1305
+ #include <wolfssl/wolfcrypt/poly1305.h>
+#endif
+#ifdef HAVE_CAMELLIA
+ #include <wolfssl/wolfcrypt/camellia.h>
+#endif
+#include <wolfssl/wolfcrypt/logging.h>
+#ifndef NO_HMAC
+ #include <wolfssl/wolfcrypt/hmac.h>
+#endif
+#ifndef NO_RC4
+ #include <wolfssl/wolfcrypt/arc4.h>
+#endif
+#ifdef HAVE_ECC
+ #include <wolfssl/wolfcrypt/ecc.h>
+#endif
+#ifndef NO_SHA256
+ #include <wolfssl/wolfcrypt/sha256.h>
+#endif
+#ifdef HAVE_OCSP
+ #include <wolfssl/ocsp.h>
+#endif
+#ifdef WOLFSSL_SHA512
+ #include <wolfssl/wolfcrypt/sha512.h>
+#endif
+
+#ifdef HAVE_AESGCM
+ #include <wolfssl/wolfcrypt/sha512.h>
+#endif
+
+#ifdef WOLFSSL_RIPEMD
+ #include <wolfssl/wolfcrypt/ripemd.h>
+#endif
+
+#include <wolfssl/wolfcrypt/hash.h>
+
+#ifdef WOLFSSL_CALLBACKS
+ #include <wolfssl/callbacks.h>
+ #include <signal.h>
+#endif
+
+#ifdef USE_WINDOWS_API
+ #ifdef WOLFSSL_GAME_BUILD
+ #include "system/xtl.h"
+ #else
+ #if defined(_WIN32_WCE) || defined(WIN32_LEAN_AND_MEAN)
+ /* On WinCE winsock2.h must be included before windows.h */
+ #include <winsock2.h>
+ #endif
+ #include <windows.h>
+ #endif
+#elif defined(THREADX)
+ #ifndef SINGLE_THREADED
+ #include "tx_api.h"
+ #endif
+#elif defined(MICRIUM)
+ /* do nothing, just don't pick Unix */
+#elif defined(FREERTOS) || defined(WOLFSSL_SAFERTOS)
+ /* do nothing */
+#elif defined(EBSNET)
+ /* do nothing */
+#elif defined(FREESCALE_MQX)
+ /* do nothing */
+#elif defined(WOLFSSL_MDK_ARM)
+ #if defined(WOLFSSL_MDK5)
+ #include "cmsis_os.h"
+ #else
+ #include <rtl.h>
+ #endif
+#elif defined(MBED)|| defined(WOLFSSL_CMSIS_RTOS)
+ /* do nothing */
+#elif defined(WOLFSSL_TIRTOS)
+ /* do nothing */
+#else
+ #ifndef SINGLE_THREADED
+ #define WOLFSSL_PTHREADS
+ #include <pthread.h>
+ #endif
+ #if defined(OPENSSL_EXTRA) || defined(GOAHEAD_WS)
+ #include <unistd.h> /* for close of BIO */
+ #endif
+#endif
+
+
+#ifdef HAVE_LIBZ
+ #include "zlib.h"
+#endif
+
+#ifdef _MSC_VER
+ /* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */
+ #pragma warning(disable: 4996)
+#endif
+
+#ifdef NO_AES
+ #if !defined (ALIGN16)
+ #define ALIGN16
+ #endif
+#endif
+
+#ifdef NO_SHA
+ #define SHA_DIGEST_SIZE 20
+#endif
+
+#ifdef NO_SHA256
+ #define SHA256_DIGEST_SIZE 32
+#endif
+
+#ifdef NO_MD5
+ #define MD5_DIGEST_SIZE 16
+#endif
+
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+
+#ifdef USE_WINDOWS_API
+ typedef unsigned int SOCKET_T;
+#else
+ typedef int SOCKET_T;
+#endif
+
+
+typedef byte word24[3];
+
+/* Define or comment out the cipher suites you'd like to be compiled in
+ make sure to use at least one BUILD_SSL_xxx or BUILD_TLS_xxx is defined
+
+ When adding cipher suites, add name to cipher_names, idx to cipher_name_idx
+
+ Now that there is a maximum strength crypto build, the following BUILD_XXX
+ flags need to be divided into two groups selected by WOLFSSL_MAX_STRENGTH.
+ Those that do not use Perfect Forward Security and do not use AEAD ciphers
+ need to be switched off. Allowed suites use (EC)DHE, AES-GCM|CCM, or
+ CHACHA-POLY.
+*/
+
+/* Check that if WOLFSSL_MAX_STRENGTH is set that all the required options are
+ * not turned off. */
+#if defined(WOLFSSL_MAX_STRENGTH) && \
+ ((!defined(HAVE_ECC) && (defined(NO_DH) || defined(NO_RSA))) || \
+ (!defined(HAVE_AESGCM) && !defined(HAVE_AESCCM) && \
+ (!defined(HAVE_POLY1305) || !defined(HAVE_CHACHA))) || \
+ (defined(NO_SHA256) && !defined(WOLFSSL_SHA384)) || \
+ !defined(NO_OLD_TLS))
+
+ #error "You are trying to build max strength with requirements disabled."
+#endif
+
+#ifndef WOLFSSL_MAX_STRENGTH
+
+ #if !defined(NO_RSA) && !defined(NO_RC4)
+ #if !defined(NO_SHA)
+ #define BUILD_SSL_RSA_WITH_RC4_128_SHA
+ #endif
+ #if !defined(NO_MD5)
+ #define BUILD_SSL_RSA_WITH_RC4_128_MD5
+ #endif
+ #if !defined(NO_TLS) && defined(HAVE_NTRU) && !defined(NO_SHA)
+ #define BUILD_TLS_NTRU_RSA_WITH_RC4_128_SHA
+ #endif
+ #endif
+
+ #if !defined(NO_RSA) && !defined(NO_DES3)
+ #if !defined(NO_SHA)
+ #define BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA
+ #if !defined(NO_TLS) && defined(HAVE_NTRU)
+ #define BUILD_TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA
+ #endif
+ #endif
+ #endif
+
+ #if !defined(NO_RSA) && !defined(NO_AES) && !defined(NO_TLS)
+ #if !defined(NO_SHA)
+ #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA
+ #if defined(HAVE_NTRU)
+ #define BUILD_TLS_NTRU_RSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_NTRU_RSA_WITH_AES_256_CBC_SHA
+ #endif
+ #endif
+ #if !defined (NO_SHA256)
+ #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA256
+ #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA256
+ #endif
+ #if defined (HAVE_AESGCM)
+ #define BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256
+ #if defined (WOLFSSL_SHA384)
+ #define BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384
+ #endif
+ #endif
+ #if defined (HAVE_AESCCM)
+ #define BUILD_TLS_RSA_WITH_AES_128_CCM_8
+ #define BUILD_TLS_RSA_WITH_AES_256_CCM_8
+ #endif
+ #if defined(HAVE_BLAKE2)
+ #define BUILD_TLS_RSA_WITH_AES_128_CBC_B2B256
+ #define BUILD_TLS_RSA_WITH_AES_256_CBC_B2B256
+ #endif
+ #endif
+
+ #if defined(HAVE_CAMELLIA) && !defined(NO_TLS)
+ #ifndef NO_RSA
+ #if !defined(NO_SHA)
+ #define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
+ #define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
+ #endif
+ #ifndef NO_SHA256
+ #define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ #define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ #endif
+ #if !defined(NO_DH)
+ #if !defined(NO_SHA)
+ #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
+ #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
+ #endif
+ #ifndef NO_SHA256
+ #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+ #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
+ #endif
+ #endif
+ #endif
+ #endif
+
+ #if !defined(NO_PSK) && !defined(NO_AES) && !defined(NO_TLS)
+ #if !defined(NO_SHA)
+ #define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA
+ #endif
+ #ifndef NO_SHA256
+ #define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA256
+ #ifdef HAVE_AESGCM
+ #define BUILD_TLS_PSK_WITH_AES_128_GCM_SHA256
+ #endif
+ #ifdef HAVE_AESCCM
+ #define BUILD_TLS_PSK_WITH_AES_128_CCM_8
+ #define BUILD_TLS_PSK_WITH_AES_256_CCM_8
+ #define BUILD_TLS_PSK_WITH_AES_128_CCM
+ #define BUILD_TLS_PSK_WITH_AES_256_CCM
+ #endif
+ #endif
+ #ifdef WOLFSSL_SHA384
+ #define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA384
+ #ifdef HAVE_AESGCM
+ #define BUILD_TLS_PSK_WITH_AES_256_GCM_SHA384
+ #endif
+ #endif
+ #endif
+
+ #if !defined(NO_TLS) && defined(HAVE_NULL_CIPHER)
+ #if !defined(NO_RSA)
+ #if !defined(NO_SHA)
+ #define BUILD_TLS_RSA_WITH_NULL_SHA
+ #endif
+ #ifndef NO_SHA256
+ #define BUILD_TLS_RSA_WITH_NULL_SHA256
+ #endif
+ #endif
+ #if !defined(NO_PSK)
+ #if !defined(NO_SHA)
+ #define BUILD_TLS_PSK_WITH_NULL_SHA
+ #endif
+ #ifndef NO_SHA256
+ #define BUILD_TLS_PSK_WITH_NULL_SHA256
+ #endif
+ #ifdef WOLFSSL_SHA384
+ #define BUILD_TLS_PSK_WITH_NULL_SHA384
+ #endif
+ #endif
+ #endif
+
+ #if !defined(NO_HC128) && !defined(NO_RSA) && !defined(NO_TLS)
+ #define BUILD_TLS_RSA_WITH_HC_128_MD5
+ #if !defined(NO_SHA)
+ #define BUILD_TLS_RSA_WITH_HC_128_SHA
+ #endif
+ #if defined(HAVE_BLAKE2)
+ #define BUILD_TLS_RSA_WITH_HC_128_B2B256
+ #endif
+ #endif
+
+ #if !defined(NO_RABBIT) && !defined(NO_TLS) && !defined(NO_RSA)
+ #if !defined(NO_SHA)
+ #define BUILD_TLS_RSA_WITH_RABBIT_SHA
+ #endif
+ #endif
+
+ #if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \
+ !defined(NO_RSA)
+
+ #if !defined(NO_SHA)
+ #define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
+ #endif
+ #if !defined(NO_SHA256)
+ #define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+ #define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
+ #endif
+ #endif
+
+ #if defined(HAVE_ANON) && !defined(NO_TLS) && !defined(NO_DH) && \
+ !defined(NO_AES) && !defined(NO_SHA)
+ #define BUILD_TLS_DH_anon_WITH_AES_128_CBC_SHA
+ #endif
+
+ #if !defined(NO_DH) && !defined(NO_PSK) && !defined(NO_TLS)
+ #ifndef NO_SHA256
+ #define BUILD_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
+ #ifdef HAVE_NULL_CIPHER
+ #define BUILD_TLS_DHE_PSK_WITH_NULL_SHA256
+ #endif
+ #endif
+ #ifdef WOLFSSL_SHA384
+ #define BUILD_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
+ #ifdef HAVE_NULL_CIPHER
+ #define BUILD_TLS_DHE_PSK_WITH_NULL_SHA384
+ #endif
+ #endif
+ #endif
+
+ #if defined(HAVE_ECC) && !defined(NO_TLS)
+ #if !defined(NO_AES)
+ #if !defined(NO_SHA)
+ #if !defined(NO_RSA)
+ #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
+ #endif
+
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
+
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
+ #endif /* NO_SHA */
+ #ifndef NO_SHA256
+ #if !defined(NO_RSA)
+ #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
+ #endif
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
+ #endif
+
+ #ifdef WOLFSSL_SHA384
+ #if !defined(NO_RSA)
+ #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
+ #endif
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
+ #endif
+
+ #if defined (HAVE_AESGCM)
+ #if !defined(NO_RSA)
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
+ #if defined(WOLFSSL_SHA384)
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
+ #endif
+ #endif
+
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
+
+ #if defined(WOLFSSL_SHA384)
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
+ #endif
+ #endif
+ #endif /* NO_AES */
+ #if !defined(NO_RC4)
+ #if !defined(NO_SHA)
+ #if !defined(NO_RSA)
+ #define BUILD_TLS_ECDHE_RSA_WITH_RC4_128_SHA
+ #define BUILD_TLS_ECDH_RSA_WITH_RC4_128_SHA
+ #endif
+
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
+ #define BUILD_TLS_ECDH_ECDSA_WITH_RC4_128_SHA
+ #endif
+ #endif
+ #if !defined(NO_DES3)
+ #ifndef NO_SHA
+ #if !defined(NO_RSA)
+ #define BUILD_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
+ #define BUILD_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
+ #endif
+
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
+ #define BUILD_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
+ #endif /* NO_SHA */
+ #endif
+ #endif
+
+#endif /* !WOLFSSL_MAX_STRENGTH */
+
+#if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \
+ !defined(NO_RSA) && defined(HAVE_AESGCM)
+
+ #ifndef NO_SHA256
+ #define BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
+ #endif
+
+ #ifdef WOLFSSL_SHA384
+ #define BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+ #endif
+#endif
+
+#if !defined(NO_DH) && !defined(NO_PSK) && !defined(NO_TLS)
+ #ifndef NO_SHA256
+ #ifdef HAVE_AESGCM
+ #define BUILD_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
+ #endif
+ #ifdef HAVE_AESCCM
+ #define BUILD_TLS_DHE_PSK_WITH_AES_128_CCM
+ #define BUILD_TLS_DHE_PSK_WITH_AES_256_CCM
+ #endif
+ #endif
+ #if defined(WOLFSSL_SHA384) && defined(HAVE_AESGCM)
+ #define BUILD_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
+ #endif
+#endif
+
+#if defined(HAVE_ECC) && !defined(NO_TLS) && !defined(NO_AES)
+ #ifdef HAVE_AESGCM
+ #ifndef NO_SHA256
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
+ #ifndef NO_RSA
+ #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
+ #endif
+ #endif
+ #ifdef WOLFSSL_SHA384
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
+ #ifndef NO_RSA
+ #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
+ #endif
+ #endif
+ #endif
+ #if defined(HAVE_AESCCM) && !defined(NO_SHA256)
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
+ #endif
+#endif
+
+#if defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && !defined(NO_SHA256)
+ #ifdef HAVE_ECC
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
+ #ifndef NO_RSA
+ #define BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
+ #endif
+ #endif
+ #if !defined(NO_DH) && !defined(NO_RSA)
+ #define BUILD_TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256
+ #endif
+#endif
+
+
+#if defined(BUILD_SSL_RSA_WITH_RC4_128_SHA) || \
+ defined(BUILD_SSL_RSA_WITH_RC4_128_MD5)
+ #define BUILD_ARC4
+#endif
+
+#if defined(BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA)
+ #define BUILD_DES3
+#endif
+
+#if defined(BUILD_TLS_RSA_WITH_AES_128_CBC_SHA) || \
+ defined(BUILD_TLS_RSA_WITH_AES_256_CBC_SHA) || \
+ defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
+ #undef BUILD_AES
+ #define BUILD_AES
+#endif
+
+#if defined(BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256) || \
+ defined(BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256) || \
+ defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256) || \
+ defined(BUILD_TLS_PSK_WITH_AES_128_GCM_SHA256)
+ #define BUILD_AESGCM
+#endif
+
+#if defined(BUILD_TLS_RSA_WITH_HC_128_SHA) || \
+ defined(BUILD_TLS_RSA_WITH_HC_128_MD5) || \
+ defined(BUILD_TLS_RSA_WITH_HC_128_B2B256)
+ #define BUILD_HC128
+#endif
+
+#if defined(BUILD_TLS_RSA_WITH_RABBIT_SHA)
+ #define BUILD_RABBIT
+#endif
+
+#ifdef NO_DES3
+ #define DES_BLOCK_SIZE 8
+#else
+ #undef BUILD_DES3
+ #define BUILD_DES3
+#endif
+
+#ifdef NO_AES
+ #define AES_BLOCK_SIZE 16
+#else
+ #undef BUILD_AES
+ #define BUILD_AES
+#endif
+
+#ifndef NO_RC4
+ #undef BUILD_ARC4
+ #define BUILD_ARC4
+#endif
+
+#ifdef HAVE_CHACHA
+ #define CHACHA20_BLOCK_SIZE 16
+#endif
+
+#if defined(WOLFSSL_MAX_STRENGTH) || \
+ defined(HAVE_AESGCM) || defined(HAVE_AESCCM) || \
+ (defined(HAVE_CHACHA) && defined(HAVE_POLY1305))
+
+ #define HAVE_AEAD
+#endif
+
+#if defined(WOLFSSL_MAX_STRENGTH) || \
+ defined(HAVE_ECC) || !defined(NO_DH)
+
+ #define HAVE_PFS
+#endif
+
+
+/* actual cipher values, 2nd byte */
+enum {
+ TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x39,
+ TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x33,
+ TLS_DH_anon_WITH_AES_128_CBC_SHA = 0x34,
+ TLS_RSA_WITH_AES_256_CBC_SHA = 0x35,
+ TLS_RSA_WITH_AES_128_CBC_SHA = 0x2F,
+ TLS_RSA_WITH_NULL_SHA = 0x02,
+ TLS_PSK_WITH_AES_256_CBC_SHA = 0x8d,
+ TLS_PSK_WITH_AES_128_CBC_SHA256 = 0xae,
+ TLS_PSK_WITH_AES_256_CBC_SHA384 = 0xaf,
+ TLS_PSK_WITH_AES_128_CBC_SHA = 0x8c,
+ TLS_PSK_WITH_NULL_SHA256 = 0xb0,
+ TLS_PSK_WITH_NULL_SHA384 = 0xb1,
+ TLS_PSK_WITH_NULL_SHA = 0x2c,
+ SSL_RSA_WITH_RC4_128_SHA = 0x05,
+ SSL_RSA_WITH_RC4_128_MD5 = 0x04,
+ SSL_RSA_WITH_3DES_EDE_CBC_SHA = 0x0A,
+
+ /* ECC suites, first byte is 0xC0 (ECC_BYTE) */
+ TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0x14,
+ TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0x13,
+ TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0x0A,
+ TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0x09,
+ TLS_ECDHE_RSA_WITH_RC4_128_SHA = 0x11,
+ TLS_ECDHE_ECDSA_WITH_RC4_128_SHA = 0x07,
+ TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x12,
+ TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x08,
+ TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0x27,
+ TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0x23,
+ TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0x28,
+ TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0x24,
+
+ /* static ECDH, first byte is 0xC0 (ECC_BYTE) */
+ TLS_ECDH_RSA_WITH_AES_256_CBC_SHA = 0x0F,
+ TLS_ECDH_RSA_WITH_AES_128_CBC_SHA = 0x0E,
+ TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA = 0x05,
+ TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA = 0x04,
+ TLS_ECDH_RSA_WITH_RC4_128_SHA = 0x0C,
+ TLS_ECDH_ECDSA_WITH_RC4_128_SHA = 0x02,
+ TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA = 0x0D,
+ TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x03,
+ TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 = 0x29,
+ TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 = 0x25,
+ TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 = 0x2A,
+ TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 = 0x26,
+
+ /* wolfSSL extension - eSTREAM */
+ TLS_RSA_WITH_HC_128_MD5 = 0xFB,
+ TLS_RSA_WITH_HC_128_SHA = 0xFC,
+ TLS_RSA_WITH_RABBIT_SHA = 0xFD,
+
+ /* wolfSSL extension - Blake2b 256 */
+ TLS_RSA_WITH_AES_128_CBC_B2B256 = 0xF8,
+ TLS_RSA_WITH_AES_256_CBC_B2B256 = 0xF9,
+ TLS_RSA_WITH_HC_128_B2B256 = 0xFA, /* eSTREAM too */
+
+ /* wolfSSL extension - NTRU */
+ TLS_NTRU_RSA_WITH_RC4_128_SHA = 0xe5,
+ TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA = 0xe6,
+ TLS_NTRU_RSA_WITH_AES_128_CBC_SHA = 0xe7, /* clashes w/official SHA-256 */
+ TLS_NTRU_RSA_WITH_AES_256_CBC_SHA = 0xe8,
+
+ /* SHA256 */
+ TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x6b,
+ TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x67,
+ TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x3d,
+ TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x3c,
+ TLS_RSA_WITH_NULL_SHA256 = 0x3b,
+ TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 = 0xb2,
+ TLS_DHE_PSK_WITH_NULL_SHA256 = 0xb4,
+
+ /* SHA384 */
+ TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 = 0xb3,
+ TLS_DHE_PSK_WITH_NULL_SHA384 = 0xb5,
+
+ /* AES-GCM */
+ TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x9c,
+ TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x9d,
+ TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x9e,
+ TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x9f,
+ TLS_PSK_WITH_AES_128_GCM_SHA256 = 0xa8,
+ TLS_PSK_WITH_AES_256_GCM_SHA384 = 0xa9,
+ TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 = 0xaa,
+ TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 = 0xab,
+
+ /* ECC AES-GCM, first byte is 0xC0 (ECC_BYTE) */
+ TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2b,
+ TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2c,
+ TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2d,
+ TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2e,
+ TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0x2f,
+ TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0x30,
+ TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 = 0x31,
+ TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 = 0x32,
+
+ /* AES-CCM, first byte is 0xC0 but isn't ECC,
+ * also, in some of the other AES-CCM suites
+ * there will be second byte number conflicts
+ * with non-ECC AES-GCM */
+ TLS_RSA_WITH_AES_128_CCM_8 = 0xa0,
+ TLS_RSA_WITH_AES_256_CCM_8 = 0xa1,
+ TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 = 0xae,
+ TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 = 0xaf,
+ TLS_PSK_WITH_AES_128_CCM = 0xa4,
+ TLS_PSK_WITH_AES_256_CCM = 0xa5,
+ TLS_PSK_WITH_AES_128_CCM_8 = 0xa8,
+ TLS_PSK_WITH_AES_256_CCM_8 = 0xa9,
+ TLS_DHE_PSK_WITH_AES_128_CCM = 0xa6,
+ TLS_DHE_PSK_WITH_AES_256_CCM = 0xa7,
+
+ /* Camellia */
+ TLS_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x41,
+ TLS_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x84,
+ TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xba,
+ TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc0,
+ TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x45,
+ TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x88,
+ TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xbe,
+ TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc4,
+
+ TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0x13,
+ TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0x14,
+ TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0x15,
+
+ /* Renegotiation Indication Extension Special Suite */
+ TLS_EMPTY_RENEGOTIATION_INFO_SCSV = 0xff
+};
+
+
+#ifndef WOLFSSL_SESSION_TIMEOUT
+ #define WOLFSSL_SESSION_TIMEOUT 500
+ /* default session resumption cache timeout in seconds */
+#endif
+
+
+enum Misc {
+ ECC_BYTE = 0xC0, /* ECC first cipher suite byte */
+ CHACHA_BYTE = 0xCC, /* ChaCha first cipher suite */
+
+ SEND_CERT = 1,
+ SEND_BLANK_CERT = 2,
+
+ DTLS_MAJOR = 0xfe, /* DTLS major version number */
+ DTLS_MINOR = 0xff, /* DTLS minor version number */
+ DTLSv1_2_MINOR = 0xfd, /* DTLS minor version number */
+ SSLv3_MAJOR = 3, /* SSLv3 and TLSv1+ major version number */
+ SSLv3_MINOR = 0, /* TLSv1 minor version number */
+ TLSv1_MINOR = 1, /* TLSv1 minor version number */
+ TLSv1_1_MINOR = 2, /* TLSv1_1 minor version number */
+ TLSv1_2_MINOR = 3, /* TLSv1_2 minor version number */
+ OLD_HELLO_ID = 0x01, /* SSLv2 Client Hello Indicator */
+ INVALID_BYTE = 0xff, /* Used to initialize cipher specs values */
+ NO_COMPRESSION = 0,
+ ZLIB_COMPRESSION = 221, /* wolfSSL zlib compression */
+ HELLO_EXT_SIG_ALGO = 13, /* ID for the sig_algo hello extension */
+ SECRET_LEN = 48, /* pre RSA and all master */
+ ENCRYPT_LEN = 512, /* allow 4096 bit static buffer */
+ SIZEOF_SENDER = 4, /* clnt or srvr */
+ FINISHED_SZ = 36, /* MD5_DIGEST_SIZE + SHA_DIGEST_SIZE */
+ MAX_RECORD_SIZE = 16384, /* 2^14, max size by standard */
+ MAX_MSG_EXTRA = 38 + MAX_DIGEST_SIZE,
+ /* max added to msg, mac + pad from */
+ /* RECORD_HEADER_SZ + BLOCK_SZ (pad) + Max
+ digest sz + BLOC_SZ (iv) + pad byte (1) */
+ MAX_COMP_EXTRA = 1024, /* max compression extra */
+ MAX_MTU = 1500, /* max expected MTU */
+ MAX_UDP_SIZE = 8192 - 100, /* was MAX_MTU - 100 */
+ MAX_DH_SZ = 1036, /* 4096 p, pub, g + 2 byte size for each */
+ MAX_STR_VERSION = 8, /* string rep of protocol version */
+
+ PAD_MD5 = 48, /* pad length for finished */
+ PAD_SHA = 40, /* pad length for finished */
+ MAX_PAD_SIZE = 256, /* maximum length of padding */
+ COMPRESS_DUMMY_SIZE = 64, /* compression dummy round size */
+ COMPRESS_CONSTANT = 13, /* compression calc constant */
+ COMPRESS_UPPER = 55, /* compression calc numerator */
+ COMPRESS_LOWER = 64, /* compression calc denominator */
+
+ PEM_LINE_LEN = 80, /* PEM line max + fudge */
+ LENGTH_SZ = 2, /* length field for HMAC, data only */
+ VERSION_SZ = 2, /* length of proctocol version */
+ SEQ_SZ = 8, /* 64 bit sequence number */
+ BYTE3_LEN = 3, /* up to 24 bit byte lengths */
+ ALERT_SIZE = 2, /* level + description */
+ VERIFY_HEADER = 2, /* always use 2 bytes */
+ EXT_ID_SZ = 2, /* always use 2 bytes */
+ MAX_DH_SIZE = 513, /* 4096 bit plus possible leading 0 */
+ SESSION_HINT_SZ = 4, /* session timeout hint */
+
+ MAX_SUITE_SZ = 200, /* 100 suites for now! */
+ RAN_LEN = 32, /* random length */
+ SEED_LEN = RAN_LEN * 2, /* tls prf seed length */
+ ID_LEN = 32, /* session id length */
+ MAX_COOKIE_LEN = 32, /* max dtls cookie size */
+ COOKIE_SZ = 20, /* use a 20 byte cookie */
+ SUITE_LEN = 2, /* cipher suite sz length */
+ ENUM_LEN = 1, /* always a byte */
+ OPAQUE8_LEN = 1, /* 1 byte */
+ OPAQUE16_LEN = 2, /* 2 bytes */
+ OPAQUE24_LEN = 3, /* 3 bytes */
+ OPAQUE32_LEN = 4, /* 4 bytes */
+ COMP_LEN = 1, /* compression length */
+ CURVE_LEN = 2, /* ecc named curve length */
+ SERVER_ID_LEN = 20, /* server session id length */
+
+ HANDSHAKE_HEADER_SZ = 4, /* type + length(3) */
+ RECORD_HEADER_SZ = 5, /* type + version + len(2) */
+ CERT_HEADER_SZ = 3, /* always 3 bytes */
+ REQ_HEADER_SZ = 2, /* cert request header sz */
+ HINT_LEN_SZ = 2, /* length of hint size field */
+ TRUNCATED_HMAC_SZ = 10, /* length of hmac w/ truncated hmac extension */
+ HELLO_EXT_TYPE_SZ = 2, /* length of a hello extension type */
+ HELLO_EXT_SZ = 8, /* total length of the lazy hello extensions */
+ HELLO_EXT_LEN = 6, /* length of the lazy hello extensions */
+ HELLO_EXT_SIGALGO_SZ = 2, /* length of signature algo extension */
+ HELLO_EXT_SIGALGO_MAX = 32, /* number of items in the signature algo list */
+
+ DTLS_HANDSHAKE_HEADER_SZ = 12, /* normal + seq(2) + offset(3) + length(3) */
+ DTLS_RECORD_HEADER_SZ = 13, /* normal + epoch(2) + seq_num(6) */
+ DTLS_HANDSHAKE_EXTRA = 8, /* diff from normal */
+ DTLS_RECORD_EXTRA = 8, /* diff from normal */
+ DTLS_HANDSHAKE_SEQ_SZ = 2, /* handshake header sequence number */
+ DTLS_HANDSHAKE_FRAG_SZ = 3, /* fragment offset and length are 24 bit */
+ DTLS_POOL_SZ = 5, /* buffers to hold in the retry pool */
+
+ FINISHED_LABEL_SZ = 15, /* TLS finished label size */
+ TLS_FINISHED_SZ = 12, /* TLS has a shorter size */
+ MASTER_LABEL_SZ = 13, /* TLS master secret label sz */
+ KEY_LABEL_SZ = 13, /* TLS key block expansion sz */
+ MAX_PRF_HALF = 256, /* Maximum half secret len */
+ MAX_PRF_LABSEED = 128, /* Maximum label + seed len */
+ MAX_PRF_DIG = 224, /* Maximum digest len */
+ MAX_REQUEST_SZ = 256, /* Maximum cert req len (no auth yet */
+ SESSION_FLUSH_COUNT = 256, /* Flush session cache unless user turns off */
+
+ RC4_KEY_SIZE = 16, /* always 128bit */
+ DES_KEY_SIZE = 8, /* des */
+ DES3_KEY_SIZE = 24, /* 3 des ede */
+ DES_IV_SIZE = DES_BLOCK_SIZE,
+ AES_256_KEY_SIZE = 32, /* for 256 bit */
+ AES_192_KEY_SIZE = 24, /* for 192 bit */
+ AES_IV_SIZE = 16, /* always block size */
+ AES_128_KEY_SIZE = 16, /* for 128 bit */
+
+ AEAD_SEQ_OFFSET = 4, /* Auth Data: Sequence number */
+ AEAD_TYPE_OFFSET = 8, /* Auth Data: Type */
+ AEAD_VMAJ_OFFSET = 9, /* Auth Data: Major Version */
+ AEAD_VMIN_OFFSET = 10, /* Auth Data: Minor Version */
+ AEAD_LEN_OFFSET = 11, /* Auth Data: Length */
+ AEAD_AUTH_DATA_SZ = 13, /* Size of the data to authenticate */
+ AEAD_IMP_IV_SZ = 4, /* Size of the implicit IV */
+ AEAD_EXP_IV_SZ = 8, /* Size of the explicit IV */
+ AEAD_NONCE_SZ = AEAD_EXP_IV_SZ + AEAD_IMP_IV_SZ,
+
+ AES_GCM_AUTH_SZ = 16, /* AES-GCM Auth Tag length */
+ AES_CCM_16_AUTH_SZ = 16, /* AES-CCM-16 Auth Tag length */
+ AES_CCM_8_AUTH_SZ = 8, /* AES-CCM-8 Auth Tag Length */
+
+ CAMELLIA_128_KEY_SIZE = 16, /* for 128 bit */
+ CAMELLIA_192_KEY_SIZE = 24, /* for 192 bit */
+ CAMELLIA_256_KEY_SIZE = 32, /* for 256 bit */
+ CAMELLIA_IV_SIZE = 16, /* always block size */
+
+ CHACHA20_256_KEY_SIZE = 32, /* for 256 bit */
+ CHACHA20_128_KEY_SIZE = 16, /* for 128 bit */
+ CHACHA20_IV_SIZE = 8, /* 64 bits for iv */
+
+ POLY1305_AUTH_SZ = 16, /* 128 bits */
+
+ HC_128_KEY_SIZE = 16, /* 128 bits */
+ HC_128_IV_SIZE = 16, /* also 128 bits */
+
+ RABBIT_KEY_SIZE = 16, /* 128 bits */
+ RABBIT_IV_SIZE = 8, /* 64 bits for iv */
+
+ EVP_SALT_SIZE = 8, /* evp salt size 64 bits */
+
+ ECDHE_SIZE = 32, /* ECHDE server size defaults to 256 bit */
+ MAX_EXPORT_ECC_SZ = 256, /* Export ANS X9.62 max future size */
+
+ MAX_HELLO_SZ = 128, /* max client or server hello */
+ MAX_CERT_VERIFY_SZ = 1024, /* max */
+ CLIENT_HELLO_FIRST = 35, /* Protocol + RAN_LEN + sizeof(id_len) */
+ MAX_SUITE_NAME = 48, /* maximum length of cipher suite string */
+
+ DTLS_TIMEOUT_INIT = 1, /* default timeout init for DTLS receive */
+ DTLS_TIMEOUT_MAX = 64, /* default max timeout for DTLS receive */
+ DTLS_TIMEOUT_MULTIPLIER = 2, /* default timeout multiplier for DTLS recv */
+
+ MAX_PSK_ID_LEN = 128, /* max psk identity/hint supported */
+ MAX_PSK_KEY_LEN = 64, /* max psk key supported */
+
+ MAX_WOLFSSL_FILE_SIZE = 1024 * 1024 * 4, /* 4 mb file size alloc limit */
+
+#ifdef FORTRESS
+ MAX_EX_DATA = 3, /* allow for three items of ex_data */
+#endif
+
+ MAX_X509_SIZE = 2048, /* max static x509 buffer size */
+ CERT_MIN_SIZE = 256, /* min PEM cert size with header/footer */
+ MAX_FILENAME_SZ = 256, /* max file name length */
+ FILE_BUFFER_SIZE = 1024, /* default static file buffer size for input,
+ will use dynamic buffer if not big enough */
+
+ MAX_NTRU_PUB_KEY_SZ = 1027, /* NTRU max for now */
+ MAX_NTRU_ENCRYPT_SZ = 1027, /* NTRU max for now */
+ MAX_NTRU_BITS = 256, /* max symmetric bit strength */
+ NO_SNIFF = 0, /* not sniffing */
+ SNIFF = 1, /* currently sniffing */
+
+ HASH_SIG_SIZE = 2, /* default SHA1 RSA */
+
+ NO_CAVIUM_DEVICE = -2, /* invalid cavium device id */
+
+ NO_COPY = 0, /* should we copy static buffer for write */
+ COPY = 1 /* should we copy static buffer for write */
+};
+
+
+#ifndef WOLFSSL_MIN_DHKEY_BITS
+ #ifdef WOLFSSL_MAX_STRENGTH
+ #define WOLFSSL_MIN_DHKEY_BITS 2048
+ #else
+ #define WOLFSSL_MIN_DHKEY_BITS 1024
+ #endif
+#endif
+#if (WOLFSSL_MIN_DHKEY_BITS % 8)
+ #error DH minimum bit size must be multiple of 8
+#endif
+#if (WOLFSSL_MIN_DHKEY_BITS > 16000)
+ #error DH minimum bit size must not be greater than 16000
+#endif
+#define MIN_DHKEY_SZ (WOLFSSL_MIN_DHKEY_BITS / 8)
+
+
+#ifdef SESSION_INDEX
+/* Shift values for making a session index */
+#define SESSIDX_ROW_SHIFT 4
+#define SESSIDX_IDX_MASK 0x0F
+#endif
+
+
+/* max cert chain peer depth */
+#ifndef MAX_CHAIN_DEPTH
+ #define MAX_CHAIN_DEPTH 9
+#endif
+
+#ifndef SESSION_TICKET_LEN
+ #define SESSION_TICKET_LEN 256
+#endif
+
+#ifndef SESSION_TICKET_HINT_DEFAULT
+ #define SESSION_TICKET_HINT_DEFAULT 300
+#endif
+
+
+/* don't use extra 3/4k stack space unless need to */
+#ifdef HAVE_NTRU
+ #define MAX_ENCRYPT_SZ MAX_NTRU_ENCRYPT_SZ
+#else
+ #define MAX_ENCRYPT_SZ ENCRYPT_LEN
+#endif
+
+
+/* states */
+enum states {
+ NULL_STATE = 0,
+
+ SERVER_HELLOVERIFYREQUEST_COMPLETE,
+ SERVER_HELLO_COMPLETE,
+ SERVER_CERT_COMPLETE,
+ SERVER_KEYEXCHANGE_COMPLETE,
+ SERVER_HELLODONE_COMPLETE,
+ SERVER_FINISHED_COMPLETE,
+
+ CLIENT_HELLO_COMPLETE,
+ CLIENT_KEYEXCHANGE_COMPLETE,
+ CLIENT_FINISHED_COMPLETE,
+
+ HANDSHAKE_DONE
+};
+
+
+#if defined(__GNUC__)
+ #define WOLFSSL_PACK __attribute__ ((packed))
+#else
+ #define WOLFSSL_PACK
+#endif
+
+/* SSL Version */
+typedef struct ProtocolVersion {
+ byte major;
+ byte minor;
+} WOLFSSL_PACK ProtocolVersion;
+
+
+WOLFSSL_LOCAL ProtocolVersion MakeSSLv3(void);
+WOLFSSL_LOCAL ProtocolVersion MakeTLSv1(void);
+WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_1(void);
+WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_2(void);
+
+#ifdef WOLFSSL_DTLS
+ WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1(void);
+ WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1_2(void);
+#endif
+
+
+enum BIO_TYPE {
+ BIO_BUFFER = 1,
+ BIO_SOCKET = 2,
+ BIO_SSL = 3,
+ BIO_MEMORY = 4
+};
+
+
+/* wolfSSL BIO_METHOD type */
+struct WOLFSSL_BIO_METHOD {
+ byte type; /* method type */
+};
+
+
+/* wolfSSL BIO type */
+struct WOLFSSL_BIO {
+ byte type; /* method type */
+ byte close; /* close flag */
+ byte eof; /* eof flag */
+ WOLFSSL* ssl; /* possible associated ssl */
+ byte* mem; /* memory buffer */
+ int memLen; /* memory buffer length */
+ int fd; /* possible file descriptor */
+ WOLFSSL_BIO* prev; /* previous in chain */
+ WOLFSSL_BIO* next; /* next in chain */
+};
+
+
+/* wolfSSL method type */
+struct WOLFSSL_METHOD {
+ ProtocolVersion version;
+ byte side; /* connection side, server or client */
+ byte downgrade; /* whether to downgrade version, default no */
+};
+
+
+/* defautls to client */
+WOLFSSL_LOCAL void InitSSL_Method(WOLFSSL_METHOD*, ProtocolVersion);
+
+/* for sniffer */
+WOLFSSL_LOCAL int DoFinished(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
+ word32 size, word32 totalSz, int sniff);
+WOLFSSL_LOCAL int DoApplicationData(WOLFSSL* ssl, byte* input, word32* inOutIdx);
+
+
+/* wolfSSL buffer type */
+typedef struct buffer {
+ byte* buffer;
+ word32 length;
+} buffer;
+
+
+enum {
+ FORCED_FREE = 1,
+ NO_FORCED_FREE = 0
+};
+
+
+/* only use compression extra if using compression */
+#ifdef HAVE_LIBZ
+ #define COMP_EXTRA MAX_COMP_EXTRA
+#else
+ #define COMP_EXTRA 0
+#endif
+
+/* only the sniffer needs space in the buffer for extra MTU record(s) */
+#ifdef WOLFSSL_SNIFFER
+ #define MTU_EXTRA MAX_MTU * 3
+#else
+ #define MTU_EXTRA 0
+#endif
+
+
+/* embedded callbacks require large static buffers, make sure on */
+#ifdef WOLFSSL_CALLBACKS
+ #undef LARGE_STATIC_BUFFERS
+ #define LARGE_STATIC_BUFFERS
+#endif
+
+
+/* give user option to use 16K static buffers */
+#if defined(LARGE_STATIC_BUFFERS)
+ #define RECORD_SIZE MAX_RECORD_SIZE
+#else
+ #ifdef WOLFSSL_DTLS
+ #define RECORD_SIZE MAX_MTU
+ #else
+ #define RECORD_SIZE 128
+ #endif
+#endif
+
+
+/* user option to turn off 16K output option */
+/* if using small static buffers (default) and SSL_write tries to write data
+ larger than the record we have, dynamically get it, unless user says only
+ write in static buffer chuncks */
+#ifndef STATIC_CHUNKS_ONLY
+ #define OUTPUT_RECORD_SIZE MAX_RECORD_SIZE
+#else
+ #define OUTPUT_RECORD_SIZE RECORD_SIZE
+#endif
+
+/* wolfSSL input buffer
+
+ RFC 2246:
+
+ length
+ The length (in bytes) of the following TLSPlaintext.fragment.
+ The length should not exceed 2^14.
+*/
+#if defined(LARGE_STATIC_BUFFERS)
+ #define STATIC_BUFFER_LEN RECORD_HEADER_SZ + RECORD_SIZE + COMP_EXTRA + \
+ MTU_EXTRA + MAX_MSG_EXTRA
+#else
+ /* don't fragment memory from the record header */
+ #define STATIC_BUFFER_LEN RECORD_HEADER_SZ
+#endif
+
+typedef struct {
+ ALIGN16 byte staticBuffer[STATIC_BUFFER_LEN];
+ byte* buffer; /* place holder for static or dynamic buffer */
+ word32 length; /* total buffer length used */
+ word32 idx; /* idx to part of length already consumed */
+ word32 bufferSize; /* current buffer size */
+ byte dynamicFlag; /* dynamic memory currently in use */
+ byte offset; /* alignment offset attempt */
+} bufferStatic;
+
+/* Cipher Suites holder */
+typedef struct Suites {
+ word16 suiteSz; /* suite length in bytes */
+ word16 hashSigAlgoSz; /* SigAlgo extension length in bytes */
+ byte suites[MAX_SUITE_SZ];
+ byte hashSigAlgo[HELLO_EXT_SIGALGO_MAX]; /* sig/algo to offer */
+ byte setSuites; /* user set suites from default */
+ byte hashAlgo; /* selected hash algorithm */
+ byte sigAlgo; /* selected sig algorithm */
+} Suites;
+
+
+WOLFSSL_LOCAL
+void InitSuites(Suites*, ProtocolVersion, word16, word16, word16, word16,
+ word16, word16, int);
+WOLFSSL_LOCAL
+int SetCipherList(Suites*, const char* list);
+
+#ifndef PSK_TYPES_DEFINED
+ typedef unsigned int (*psk_client_callback)(WOLFSSL*, const char*, char*,
+ unsigned int, unsigned char*, unsigned int);
+ typedef unsigned int (*psk_server_callback)(WOLFSSL*, const char*,
+ unsigned char*, unsigned int);
+#endif /* PSK_TYPES_DEFINED */
+
+
+#ifdef HAVE_NETX
+ WOLFSSL_LOCAL int NetX_Receive(WOLFSSL *ssl, char *buf, int sz, void *ctx);
+ WOLFSSL_LOCAL int NetX_Send(WOLFSSL *ssl, char *buf, int sz, void *ctx);
+#endif /* HAVE_NETX */
+
+
+/* wolfSSL Cipher type just points back to SSL */
+struct WOLFSSL_CIPHER {
+ WOLFSSL* ssl;
+};
+
+
+typedef struct OCSP_Entry OCSP_Entry;
+
+#ifdef NO_SHA
+ #define OCSP_DIGEST_SIZE SHA256_DIGEST_SIZE
+#else
+ #define OCSP_DIGEST_SIZE SHA_DIGEST_SIZE
+#endif
+
+#ifdef NO_ASN
+ /* no_asn won't have */
+ typedef struct CertStatus CertStatus;
+#endif
+
+struct OCSP_Entry {
+ OCSP_Entry* next; /* next entry */
+ byte issuerHash[OCSP_DIGEST_SIZE]; /* issuer hash */
+ byte issuerKeyHash[OCSP_DIGEST_SIZE]; /* issuer public key hash */
+ CertStatus* status; /* OCSP response list */
+ int totalStatus; /* number on list */
+};
+
+
+#ifndef HAVE_OCSP
+ typedef struct WOLFSSL_OCSP WOLFSSL_OCSP;
+#endif
+
+/* wolfSSL OCSP controller */
+struct WOLFSSL_OCSP {
+ WOLFSSL_CERT_MANAGER* cm; /* pointer back to cert manager */
+ OCSP_Entry* ocspList; /* OCSP response list */
+ wolfSSL_Mutex ocspLock; /* OCSP list lock */
+};
+
+#ifndef MAX_DATE_SIZE
+#define MAX_DATE_SIZE 32
+#endif
+
+typedef struct CRL_Entry CRL_Entry;
+
+#ifdef NO_SHA
+ #define CRL_DIGEST_SIZE SHA256_DIGEST_SIZE
+#else
+ #define CRL_DIGEST_SIZE SHA_DIGEST_SIZE
+#endif
+
+#ifdef NO_ASN
+ typedef struct RevokedCert RevokedCert;
+#endif
+
+/* Complete CRL */
+struct CRL_Entry {
+ CRL_Entry* next; /* next entry */
+ byte issuerHash[CRL_DIGEST_SIZE]; /* issuer hash */
+ /* byte crlHash[CRL_DIGEST_SIZE]; raw crl data hash */
+ /* restore the hash here if needed for optimized comparisons */
+ byte lastDate[MAX_DATE_SIZE]; /* last date updated */
+ byte nextDate[MAX_DATE_SIZE]; /* next update date */
+ byte lastDateFormat; /* last date format */
+ byte nextDateFormat; /* next date format */
+ RevokedCert* certs; /* revoked cert list */
+ int totalCerts; /* number on list */
+};
+
+
+typedef struct CRL_Monitor CRL_Monitor;
+
+/* CRL directory monitor */
+struct CRL_Monitor {
+ char* path; /* full dir path, if valid pointer we're using */
+ int type; /* PEM or ASN1 type */
+};
+
+
+#ifndef HAVE_CRL
+ typedef struct WOLFSSL_CRL WOLFSSL_CRL;
+#endif
+
+/* wolfSSL CRL controller */
+struct WOLFSSL_CRL {
+ WOLFSSL_CERT_MANAGER* cm; /* pointer back to cert manager */
+ CRL_Entry* crlList; /* our CRL list */
+ wolfSSL_Mutex crlLock; /* CRL list lock */
+ CRL_Monitor monitors[2]; /* PEM and DER possible */
+#ifdef HAVE_CRL_MONITOR
+ pthread_t tid; /* monitoring thread */
+ int mfd; /* monitor fd, -1 if no init yet */
+#endif
+};
+
+
+#ifdef NO_ASN
+ typedef struct Signer Signer;
+#endif
+
+
+#ifndef CA_TABLE_SIZE
+ #define CA_TABLE_SIZE 11
+#endif
+/* wolfSSL Certificate Manager */
+struct WOLFSSL_CERT_MANAGER {
+ Signer* caTable[CA_TABLE_SIZE]; /* the CA signer table */
+ void* heap; /* heap helper */
+ WOLFSSL_CRL* crl; /* CRL checker */
+ WOLFSSL_OCSP* ocsp; /* OCSP checker */
+ char* ocspOverrideURL; /* use this responder */
+ void* ocspIOCtx; /* I/O callback CTX */
+ CallbackCACache caCacheCallback; /* CA cache addition callback */
+ CbMissingCRL cbMissingCRL; /* notify through cb of missing crl */
+ CbOCSPIO ocspIOCb; /* I/O callback for OCSP lookup */
+ CbOCSPRespFree ocspRespFreeCb; /* Frees OCSP Response from IO Cb */
+ wolfSSL_Mutex caLock; /* CA list lock */
+ byte crlEnabled; /* is CRL on ? */
+ byte crlCheckAll; /* always leaf, but all ? */
+ byte ocspEnabled; /* is OCSP on ? */
+ byte ocspCheckAll; /* always leaf, but all ? */
+ byte ocspSendNonce; /* send the OCSP nonce ? */
+ byte ocspUseOverrideURL; /* ignore cert's responder, override */
+};
+
+WOLFSSL_LOCAL int CM_SaveCertCache(WOLFSSL_CERT_MANAGER*, const char*);
+WOLFSSL_LOCAL int CM_RestoreCertCache(WOLFSSL_CERT_MANAGER*, const char*);
+WOLFSSL_LOCAL int CM_MemSaveCertCache(WOLFSSL_CERT_MANAGER*, void*, int, int*);
+WOLFSSL_LOCAL int CM_MemRestoreCertCache(WOLFSSL_CERT_MANAGER*, const void*, int);
+WOLFSSL_LOCAL int CM_GetCertCacheMemSize(WOLFSSL_CERT_MANAGER*);
+
+/* wolfSSL Sock Addr */
+struct WOLFSSL_SOCKADDR {
+ unsigned int sz; /* sockaddr size */
+ void* sa; /* pointer to the sockaddr_in or sockaddr_in6 */
+};
+
+typedef struct WOLFSSL_DTLS_CTX {
+ WOLFSSL_SOCKADDR peer;
+ int fd;
+} WOLFSSL_DTLS_CTX;
+
+
+#ifdef WOLFSSL_DTLS
+
+ #ifdef WORD64_AVAILABLE
+ typedef word64 DtlsSeq;
+ #else
+ typedef word32 DtlsSeq;
+ #endif
+ #define DTLS_SEQ_BITS (sizeof(DtlsSeq) * CHAR_BIT)
+
+ typedef struct DtlsState {
+ DtlsSeq window; /* Sliding window for current epoch */
+ word16 nextEpoch; /* Expected epoch in next record */
+ word32 nextSeq; /* Expected sequence in next record */
+
+ word16 curEpoch; /* Received epoch in current record */
+ word32 curSeq; /* Received sequence in current record */
+
+ DtlsSeq prevWindow; /* Sliding window for old epoch */
+ word32 prevSeq; /* Next sequence in allowed old epoch */
+ } DtlsState;
+
+#endif /* WOLFSSL_DTLS */
+
+
+/* keys and secrets */
+typedef struct Keys {
+ byte client_write_MAC_secret[MAX_DIGEST_SIZE]; /* max sizes */
+ byte server_write_MAC_secret[MAX_DIGEST_SIZE];
+ byte client_write_key[AES_256_KEY_SIZE]; /* max sizes */
+ byte server_write_key[AES_256_KEY_SIZE];
+ byte client_write_IV[AES_IV_SIZE]; /* max sizes */
+ byte server_write_IV[AES_IV_SIZE];
+#ifdef HAVE_AEAD
+ byte aead_exp_IV[AEAD_EXP_IV_SZ];
+ byte aead_enc_imp_IV[AEAD_IMP_IV_SZ];
+ byte aead_dec_imp_IV[AEAD_IMP_IV_SZ];
+#endif
+
+ word32 peer_sequence_number;
+ word32 sequence_number;
+
+#ifdef WOLFSSL_DTLS
+ DtlsState dtls_state; /* Peer's state */
+ word16 dtls_peer_handshake_number;
+ word16 dtls_expected_peer_handshake_number;
+
+ word16 dtls_epoch; /* Current tx epoch */
+ word32 dtls_sequence_number; /* Current tx sequence */
+ word16 dtls_handshake_number; /* Current tx handshake seq */
+#endif
+
+ word32 encryptSz; /* last size of encrypted data */
+ word32 padSz; /* how much to advance after decrypt part */
+ byte encryptionOn; /* true after change cipher spec */
+ byte decryptedCur; /* only decrypt current record once */
+} Keys;
+
+
+
+/* RFC 6066 TLS Extensions */
+#ifdef HAVE_TLS_EXTENSIONS
+
+typedef enum {
+ SERVER_NAME_INDICATION = 0x0000,
+ MAX_FRAGMENT_LENGTH = 0x0001,
+ TRUNCATED_HMAC = 0x0004,
+ ELLIPTIC_CURVES = 0x000a,
+ SESSION_TICKET = 0x0023,
+ SECURE_RENEGOTIATION = 0xff01
+} TLSX_Type;
+
+typedef struct TLSX {
+ TLSX_Type type; /* Extension Type */
+ void* data; /* Extension Data */
+ byte resp; /* IsResponse Flag */
+ struct TLSX* next; /* List Behavior */
+} TLSX;
+
+WOLFSSL_LOCAL TLSX* TLSX_Find(TLSX* list, TLSX_Type type);
+WOLFSSL_LOCAL void TLSX_FreeAll(TLSX* list);
+WOLFSSL_LOCAL int TLSX_SupportExtensions(WOLFSSL* ssl);
+
+#ifndef NO_WOLFSSL_CLIENT
+WOLFSSL_LOCAL word16 TLSX_GetRequestSize(WOLFSSL* ssl);
+WOLFSSL_LOCAL word16 TLSX_WriteRequest(WOLFSSL* ssl, byte* output);
+#endif
+
+#ifndef NO_WOLFSSL_SERVER
+WOLFSSL_LOCAL word16 TLSX_GetResponseSize(WOLFSSL* ssl);
+WOLFSSL_LOCAL word16 TLSX_WriteResponse(WOLFSSL* ssl, byte* output);
+#endif
+
+WOLFSSL_LOCAL int TLSX_Parse(WOLFSSL* ssl, byte* input, word16 length,
+ byte isRequest, Suites *suites);
+
+#elif defined(HAVE_SNI) \
+ || defined(HAVE_MAX_FRAGMENT) \
+ || defined(HAVE_TRUNCATED_HMAC) \
+ || defined(HAVE_SUPPORTED_CURVES) \
+ || defined(HAVE_SECURE_RENEGOTIATION) \
+ || defined(HAVE_SESSION_TICKET)
+
+#error Using TLS extensions requires HAVE_TLS_EXTENSIONS to be defined.
+
+#endif /* HAVE_TLS_EXTENSIONS */
+
+/* Server Name Indication */
+#ifdef HAVE_SNI
+
+typedef struct SNI {
+ byte type; /* SNI Type */
+ union { char* host_name; } data; /* SNI Data */
+ struct SNI* next; /* List Behavior */
+#ifndef NO_WOLFSSL_SERVER
+ byte options; /* Behaviour options */
+ byte status; /* Matching result */
+#endif
+} SNI;
+
+WOLFSSL_LOCAL int TLSX_UseSNI(TLSX** extensions, byte type, const void* data,
+ word16 size);
+
+#ifndef NO_WOLFSSL_SERVER
+WOLFSSL_LOCAL void TLSX_SNI_SetOptions(TLSX* extensions, byte type,
+ byte options);
+WOLFSSL_LOCAL byte TLSX_SNI_Status(TLSX* extensions, byte type);
+WOLFSSL_LOCAL word16 TLSX_SNI_GetRequest(TLSX* extensions, byte type,
+ void** data);
+WOLFSSL_LOCAL int TLSX_SNI_GetFromBuffer(const byte* buffer, word32 bufferSz,
+ byte type, byte* sni, word32* inOutSz);
+#endif
+
+#endif /* HAVE_SNI */
+
+/* Maximum Fragment Length */
+#ifdef HAVE_MAX_FRAGMENT
+
+WOLFSSL_LOCAL int TLSX_UseMaxFragment(TLSX** extensions, byte mfl);
+
+#endif /* HAVE_MAX_FRAGMENT */
+
+#ifdef HAVE_TRUNCATED_HMAC
+
+WOLFSSL_LOCAL int TLSX_UseTruncatedHMAC(TLSX** extensions);
+
+#endif /* HAVE_TRUNCATED_HMAC */
+
+#ifdef HAVE_SUPPORTED_CURVES
+
+typedef struct EllipticCurve {
+ word16 name; /* CurveNames */
+ struct EllipticCurve* next; /* List Behavior */
+} EllipticCurve;
+
+WOLFSSL_LOCAL int TLSX_UseSupportedCurve(TLSX** extensions, word16 name);
+
+#ifndef NO_WOLFSSL_SERVER
+WOLFSSL_LOCAL int TLSX_ValidateEllipticCurves(WOLFSSL* ssl, byte first,
+ byte second);
+#endif
+
+#endif /* HAVE_SUPPORTED_CURVES */
+
+#ifdef HAVE_SECURE_RENEGOTIATION
+
+enum key_cache_state {
+ SCR_CACHE_NULL = 0, /* empty / begin state */
+ SCR_CACHE_NEEDED, /* need to cache keys */
+ SCR_CACHE_COPY, /* we have a cached copy */
+ SCR_CACHE_PARTIAL, /* partial restore to real keys */
+ SCR_CACHE_COMPLETE /* complete restore to real keys */
+};
+
+
+/* Additional Conection State according to rfc5746 section 3.1 */
+typedef struct SecureRenegotiation {
+ byte enabled; /* secure_renegotiation flag in rfc */
+ byte startScr; /* server requested client to start scr */
+ enum key_cache_state cache_status; /* track key cache state */
+ byte client_verify_data[TLS_FINISHED_SZ]; /* cached */
+ byte server_verify_data[TLS_FINISHED_SZ]; /* cached */
+ byte subject_hash[SHA_DIGEST_SIZE]; /* peer cert hash */
+ Keys tmp_keys; /* can't overwrite real keys yet */
+} SecureRenegotiation;
+
+WOLFSSL_LOCAL int TLSX_UseSecureRenegotiation(TLSX** extensions);
+
+#endif /* HAVE_SECURE_RENEGOTIATION */
+
+#ifdef HAVE_SESSION_TICKET
+
+typedef struct SessionTicket {
+ word32 lifetime;
+ byte* data;
+ word16 size;
+} SessionTicket;
+
+WOLFSSL_LOCAL int TLSX_UseSessionTicket(TLSX** extensions,
+ SessionTicket* ticket);
+WOLFSSL_LOCAL SessionTicket* TLSX_SessionTicket_Create(word32 lifetime,
+ byte* data, word16 size);
+WOLFSSL_LOCAL void TLSX_SessionTicket_Free(SessionTicket* ticket);
+#endif /* HAVE_SESSION_TICKET */
+
+/* wolfSSL context type */
+struct WOLFSSL_CTX {
+ WOLFSSL_METHOD* method;
+ wolfSSL_Mutex countMutex; /* reference count mutex */
+ int refCount; /* reference count */
+#ifndef NO_DH
+ buffer serverDH_P;
+ buffer serverDH_G;
+#endif
+#ifndef NO_CERTS
+ buffer certificate;
+ buffer certChain;
+ /* chain after self, in DER, with leading size for each cert */
+ buffer privateKey;
+ WOLFSSL_CERT_MANAGER* cm; /* our cert manager, ctx owns SSL will use */
+#endif
+ Suites* suites; /* make dynamic, user may not need/set */
+ void* heap; /* for user memory overrides */
+ byte verifyPeer;
+ byte verifyNone;
+ byte failNoCert;
+ byte sessionCacheOff;
+ byte sessionCacheFlushOff;
+ byte sendVerify; /* for client side */
+ byte haveRSA; /* RSA available */
+ byte haveDH; /* server DH parms set by user */
+ byte haveNTRU; /* server private NTRU key loaded */
+ byte haveECDSAsig; /* server cert signed w/ ECDSA */
+ byte haveStaticECC; /* static server ECC private key */
+ byte partialWrite; /* only one msg per write call */
+ byte quietShutdown; /* don't send close notify */
+ byte groupMessages; /* group handshake messages before sending */
+ byte minDowngrade; /* minimum downgrade version */
+#ifndef NO_DH
+ word16 minDhKeySz; /* minimum DH key size */
+#endif
+ CallbackIORecv CBIORecv;
+ CallbackIOSend CBIOSend;
+#ifdef WOLFSSL_DTLS
+ CallbackGenCookie CBIOCookie; /* gen cookie callback */
+#endif
+ VerifyCallback verifyCallback; /* cert verification callback */
+ word32 timeout; /* session timeout */
+#ifdef HAVE_ECC
+ word16 eccTempKeySz; /* in octets 20 - 66 */
+ word32 pkCurveOID; /* curve Ecc_Sum */
+#endif
+#ifndef NO_PSK
+ byte havePSK; /* psk key set by user */
+ psk_client_callback client_psk_cb; /* client callback */
+ psk_server_callback server_psk_cb; /* server callback */
+ char server_hint[MAX_PSK_ID_LEN];
+#endif /* NO_PSK */
+#ifdef HAVE_ANON
+ byte haveAnon; /* User wants to allow Anon suites */
+#endif /* HAVE_ANON */
+#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
+ pem_password_cb passwd_cb;
+ void* userdata;
+#endif /* OPENSSL_EXTRA */
+#ifdef HAVE_OCSP
+ WOLFSSL_OCSP ocsp;
+#endif
+#ifdef HAVE_CAVIUM
+ int devId; /* cavium device id to use */
+#endif
+#ifdef HAVE_TLS_EXTENSIONS
+ TLSX* extensions; /* RFC 6066 TLS Extensions data */
+ #if defined(HAVE_SESSION_TICKET) && !defined(NO_WOLFSSL_SEVER)
+ SessionTicketEncCb ticketEncCb; /* enc/dec session ticket Cb */
+ void* ticketEncCtx; /* session encrypt context */
+ int ticketHint; /* ticket hint in seconds */
+ #endif
+#endif
+#ifdef ATOMIC_USER
+ CallbackMacEncrypt MacEncryptCb; /* Atomic User Mac/Encrypt Cb */
+ CallbackDecryptVerify DecryptVerifyCb; /* Atomic User Decrypt/Verify Cb */
+#endif
+#ifdef HAVE_PK_CALLBACKS
+ #ifdef HAVE_ECC
+ CallbackEccSign EccSignCb; /* User EccSign Callback handler */
+ CallbackEccVerify EccVerifyCb; /* User EccVerify Callback handler */
+ #endif /* HAVE_ECC */
+ #ifndef NO_RSA
+ CallbackRsaSign RsaSignCb; /* User RsaSign Callback handler */
+ CallbackRsaVerify RsaVerifyCb; /* User RsaVerify Callback handler */
+ CallbackRsaEnc RsaEncCb; /* User Rsa Public Encrypt handler */
+ CallbackRsaDec RsaDecCb; /* User Rsa Private Decrypt handler */
+ #endif /* NO_RSA */
+#endif /* HAVE_PK_CALLBACKS */
+};
+
+
+WOLFSSL_LOCAL
+int InitSSL_Ctx(WOLFSSL_CTX*, WOLFSSL_METHOD*);
+WOLFSSL_LOCAL
+void FreeSSL_Ctx(WOLFSSL_CTX*);
+WOLFSSL_LOCAL
+void SSL_CtxResourceFree(WOLFSSL_CTX*);
+
+WOLFSSL_LOCAL
+int DeriveTlsKeys(WOLFSSL* ssl);
+WOLFSSL_LOCAL
+int ProcessOldClientHello(WOLFSSL* ssl, const byte* input, word32* inOutIdx,
+ word32 inSz, word16 sz);
+#ifndef NO_CERTS
+ WOLFSSL_LOCAL
+ int AddCA(WOLFSSL_CERT_MANAGER* ctx, buffer der, int type, int verify);
+ WOLFSSL_LOCAL
+ int AlreadySigner(WOLFSSL_CERT_MANAGER* cm, byte* hash);
+#endif
+
+/* All cipher suite related info */
+typedef struct CipherSpecs {
+ word16 key_size;
+ word16 iv_size;
+ word16 block_size;
+ word16 aead_mac_size;
+ byte bulk_cipher_algorithm;
+ byte cipher_type; /* block, stream, or aead */
+ byte mac_algorithm;
+ byte kea; /* key exchange algo */
+ byte sig_algo;
+ byte hash_size;
+ byte pad_size;
+ byte static_ecdh;
+} CipherSpecs;
+
+
+void InitCipherSpecs(CipherSpecs* cs);
+
+
+/* Supported Message Authentication Codes from page 43 */
+enum MACAlgorithm {
+ no_mac,
+ md5_mac,
+ sha_mac,
+ sha224_mac,
+ sha256_mac, /* needs to match external KDF_MacAlgorithm */
+ sha384_mac,
+ sha512_mac,
+ rmd_mac,
+ blake2b_mac
+};
+
+
+/* Supported Key Exchange Protocols */
+enum KeyExchangeAlgorithm {
+ no_kea,
+ rsa_kea,
+ diffie_hellman_kea,
+ fortezza_kea,
+ psk_kea,
+ dhe_psk_kea,
+ ntru_kea,
+ ecc_diffie_hellman_kea,
+ ecc_static_diffie_hellman_kea /* for verify suite only */
+};
+
+
+/* Supported Authentication Schemes */
+enum SignatureAlgorithm {
+ anonymous_sa_algo,
+ rsa_sa_algo,
+ dsa_sa_algo,
+ ecc_dsa_sa_algo
+};
+
+
+/* Supprted ECC Curve Types */
+enum EccCurves {
+ named_curve = 3
+};
+
+
+/* Valid client certificate request types from page 27 */
+enum ClientCertificateType {
+ rsa_sign = 1,
+ dss_sign = 2,
+ rsa_fixed_dh = 3,
+ dss_fixed_dh = 4,
+ rsa_ephemeral_dh = 5,
+ dss_ephemeral_dh = 6,
+ fortezza_kea_cert = 20,
+ ecdsa_sign = 64,
+ rsa_fixed_ecdh = 65,
+ ecdsa_fixed_ecdh = 66
+};
+
+
+enum CipherType { stream, block, aead };
+
+
+
+
+
+
+/* cipher for now */
+typedef struct Ciphers {
+#ifdef BUILD_ARC4
+ Arc4* arc4;
+#endif
+#ifdef BUILD_DES3
+ Des3* des3;
+#endif
+#if defined(BUILD_AES) || defined(BUILD_AESGCM)
+ Aes* aes;
+#endif
+#ifdef HAVE_CAMELLIA
+ Camellia* cam;
+#endif
+#ifdef HAVE_CHACHA
+ ChaCha* chacha;
+#endif
+#ifdef HAVE_HC128
+ HC128* hc128;
+#endif
+#ifdef BUILD_RABBIT
+ Rabbit* rabbit;
+#endif
+ byte setup; /* have we set it up flag for detection */
+} Ciphers;
+
+
+#ifdef HAVE_ONE_TIME_AUTH
+/* Ciphers for one time authentication such as poly1305 */
+typedef struct OneTimeAuth {
+#ifdef HAVE_POLY1305
+ Poly1305* poly1305;
+#endif
+ byte setup; /* flag for if a cipher has been set */
+
+} OneTimeAuth;
+#endif
+
+
+WOLFSSL_LOCAL void InitCiphers(WOLFSSL* ssl);
+WOLFSSL_LOCAL void FreeCiphers(WOLFSSL* ssl);
+
+
+/* hashes type */
+typedef struct Hashes {
+ #ifndef NO_OLD_TLS
+ byte md5[MD5_DIGEST_SIZE];
+ #endif
+ byte sha[SHA_DIGEST_SIZE];
+ #ifndef NO_SHA256
+ byte sha256[SHA256_DIGEST_SIZE];
+ #endif
+ #ifdef WOLFSSL_SHA384
+ byte sha384[SHA384_DIGEST_SIZE];
+ #endif
+ #ifdef WOLFSSL_SHA512
+ byte sha512[SHA512_DIGEST_SIZE];
+ #endif
+} Hashes;
+
+
+/* Static x509 buffer */
+typedef struct x509_buffer {
+ int length; /* actual size */
+ byte buffer[MAX_X509_SIZE]; /* max static cert size */
+} x509_buffer;
+
+
+/* wolfSSL X509_CHAIN, for no dynamic memory SESSION_CACHE */
+struct WOLFSSL_X509_CHAIN {
+ int count; /* total number in chain */
+ x509_buffer certs[MAX_CHAIN_DEPTH]; /* only allow max depth 4 for now */
+};
+
+
+/* wolfSSL session type */
+struct WOLFSSL_SESSION {
+ word32 bornOn; /* create time in seconds */
+ word32 timeout; /* timeout in seconds */
+ byte sessionID[ID_LEN]; /* id for protocol */
+ byte sessionIDSz;
+ byte masterSecret[SECRET_LEN]; /* stored secret */
+#ifdef SESSION_CERTS
+ WOLFSSL_X509_CHAIN chain; /* peer cert chain, static */
+ ProtocolVersion version; /* which version was used */
+ byte cipherSuite0; /* first byte, normally 0 */
+ byte cipherSuite; /* 2nd byte, actual suite */
+#endif
+#ifndef NO_CLIENT_CACHE
+ word16 idLen; /* serverID length */
+ byte serverID[SERVER_ID_LEN]; /* for easier client lookup */
+#endif
+#ifdef HAVE_SESSION_TICKET
+ word16 ticketLen;
+ byte ticket[SESSION_TICKET_LEN];
+#endif
+};
+
+
+WOLFSSL_LOCAL
+WOLFSSL_SESSION* GetSession(WOLFSSL*, byte*);
+WOLFSSL_LOCAL
+int SetSession(WOLFSSL*, WOLFSSL_SESSION*);
+
+typedef int (*hmacfp) (WOLFSSL*, byte*, const byte*, word32, int, int);
+
+#ifndef NO_CLIENT_CACHE
+ WOLFSSL_SESSION* GetSessionClient(WOLFSSL*, const byte*, int);
+#endif
+
+/* client connect state for nonblocking restart */
+enum ConnectState {
+ CONNECT_BEGIN = 0,
+ CLIENT_HELLO_SENT,
+ HELLO_AGAIN, /* HELLO_AGAIN s for DTLS case */
+ HELLO_AGAIN_REPLY,
+ FIRST_REPLY_DONE,
+ FIRST_REPLY_FIRST,
+ FIRST_REPLY_SECOND,
+ FIRST_REPLY_THIRD,
+ FIRST_REPLY_FOURTH,
+ FINISHED_DONE,
+ SECOND_REPLY_DONE
+};
+
+
+/* server accept state for nonblocking restart */
+enum AcceptState {
+ ACCEPT_BEGIN = 0,
+ ACCEPT_CLIENT_HELLO_DONE,
+ HELLO_VERIFY_SENT,
+ ACCEPT_FIRST_REPLY_DONE,
+ SERVER_HELLO_SENT,
+ CERT_SENT,
+ KEY_EXCHANGE_SENT,
+ CERT_REQ_SENT,
+ SERVER_HELLO_DONE,
+ ACCEPT_SECOND_REPLY_DONE,
+ TICKET_SENT,
+ CHANGE_CIPHER_SENT,
+ ACCEPT_FINISHED_DONE,
+ ACCEPT_THIRD_REPLY_DONE
+};
+
+
+typedef struct Buffers {
+ bufferStatic inputBuffer;
+ bufferStatic outputBuffer;
+ buffer domainName; /* for client check */
+ buffer clearOutputBuffer;
+ int prevSent; /* previous plain text bytes sent
+ when got WANT_WRITE */
+ int plainSz; /* plain text bytes in buffer to send
+ when got WANT_WRITE */
+ byte weOwnCert; /* SSL own cert flag */
+ byte weOwnCertChain; /* SSL own cert chain flag */
+ byte weOwnKey; /* SSL own key flag */
+ byte weOwnDH; /* SSL own dh (p,g) flag */
+#ifndef NO_DH
+ buffer serverDH_P; /* WOLFSSL_CTX owns, unless we own */
+ buffer serverDH_G; /* WOLFSSL_CTX owns, unless we own */
+ buffer serverDH_Pub;
+ buffer serverDH_Priv;
+#endif
+#ifndef NO_CERTS
+ buffer certificate; /* WOLFSSL_CTX owns, unless we own */
+ buffer key; /* WOLFSSL_CTX owns, unless we own */
+ buffer certChain; /* WOLFSSL_CTX owns, unless we own */
+ /* chain after self, in DER, with leading size for each cert */
+#endif
+#ifdef WOLFSSL_DTLS
+ WOLFSSL_DTLS_CTX dtlsCtx; /* DTLS connection context */
+#endif
+#ifdef HAVE_PK_CALLBACKS
+ #ifdef HAVE_ECC
+ buffer peerEccDsaKey; /* we own for Ecc Verify Callbacks */
+ #endif /* HAVE_ECC */
+ #ifndef NO_RSA
+ buffer peerRsaKey; /* we own for Rsa Verify Callbacks */
+ #endif /* NO_RSA */
+#endif /* HAVE_PK_CALLBACKS */
+} Buffers;
+
+typedef struct Options {
+#ifndef NO_PSK
+ psk_client_callback client_psk_cb;
+ psk_server_callback server_psk_cb;
+ word16 havePSK:1; /* psk key set by user */
+#endif /* NO_PSK */
+
+ /* on/off or small bit flags, optimize layout */
+ word16 sendVerify:2; /* false = 0, true = 1, sendBlank = 2 */
+ word16 sessionCacheOff:1;
+ word16 sessionCacheFlushOff:1;
+ word16 side:1; /* client or server end */
+ word16 verifyPeer:1;
+ word16 verifyNone:1;
+ word16 failNoCert:1;
+ word16 downgrade:1; /* allow downgrade of versions */
+ word16 resuming:1;
+ word16 haveSessionId:1; /* server may not send */
+ word16 tls:1; /* using TLS ? */
+ word16 tls1_1:1; /* using TLSv1.1+ ? */
+ word16 dtls:1; /* using datagrams ? */
+ word16 connReset:1; /* has the peer reset */
+ word16 isClosed:1; /* if we consider conn closed */
+ word16 closeNotify:1; /* we've recieved a close notify */
+ word16 sentNotify:1; /* we've sent a close notify */
+ word16 usingCompression:1; /* are we using compression */
+ word16 haveRSA:1; /* RSA available */
+ word16 haveDH:1; /* server DH parms set by user */
+ word16 haveNTRU:1; /* server NTRU private key loaded */
+ word16 haveECDSAsig:1; /* server ECDSA signed cert */
+ word16 haveStaticECC:1; /* static server ECC private key */
+ word16 havePeerCert:1; /* do we have peer's cert */
+ word16 havePeerVerify:1; /* and peer's cert verify */
+ word16 usingPSK_cipher:1; /* are using psk as cipher */
+ word16 usingAnon_cipher:1; /* are we using an anon cipher */
+ word16 sendAlertState:1; /* nonblocking resume */
+ word16 partialWrite:1; /* only one msg per write call */
+ word16 quietShutdown:1; /* don't send close notify */
+ word16 certOnly:1; /* stop once we get cert */
+ word16 groupMessages:1; /* group handshake messages */
+ word16 usingNonblock:1; /* are we using nonblocking socket */
+ word16 saveArrays:1; /* save array Memory for user get keys
+ or psk */
+#ifdef HAVE_POLY1305
+ word16 oldPoly:1; /* set when to use old rfc way of poly*/
+#endif
+#ifdef HAVE_ANON
+ word16 haveAnon:1; /* User wants to allow Anon suites */
+#endif
+#ifdef HAVE_SESSION_TICKET
+ word16 createTicket:1; /* Server to create new Ticket */
+ word16 useTicket:1; /* Use Ticket not session cache */
+#endif
+
+ /* need full byte values for this section */
+ byte processReply; /* nonblocking resume */
+ byte cipherSuite0; /* first byte, normally 0 */
+ byte cipherSuite; /* second byte, actual suite */
+ byte serverState;
+ byte clientState;
+ byte handShakeState;
+ byte handShakeDone; /* at least one handshake complete */
+ byte minDowngrade; /* minimum downgrade version */
+ byte connectState; /* nonblocking resume */
+ byte acceptState; /* nonblocking resume */
+#ifndef NO_DH
+ word16 minDhKeySz; /* minimum DH key size */
+ word16 dhKeySz; /* actual DH key size */
+#endif
+
+} Options;
+
+typedef struct Arrays {
+ word32 preMasterSz; /* differs for DH, actual size */
+#ifndef NO_PSK
+ word32 psk_keySz; /* acutal size */
+ char client_identity[MAX_PSK_ID_LEN];
+ char server_hint[MAX_PSK_ID_LEN];
+ byte psk_key[MAX_PSK_KEY_LEN];
+#endif
+ byte clientRandom[RAN_LEN];
+ byte serverRandom[RAN_LEN];
+ byte sessionID[ID_LEN];
+ byte sessionIDSz;
+ byte preMasterSecret[ENCRYPT_LEN];
+ byte masterSecret[SECRET_LEN];
+#ifdef WOLFSSL_DTLS
+ byte cookie[MAX_COOKIE_LEN];
+ byte cookieSz;
+#endif
+} Arrays;
+
+#ifndef ASN_NAME_MAX
+#define ASN_NAME_MAX 256
+#endif
+
+#ifndef MAX_DATE_SZ
+#define MAX_DATE_SZ 32
+#endif
+
+struct WOLFSSL_X509_NAME {
+ char *name;
+ char staticName[ASN_NAME_MAX];
+ int dynamicName;
+ int sz;
+#ifdef OPENSSL_EXTRA
+ DecodedName fullName;
+#endif /* OPENSSL_EXTRA */
+};
+
+#ifndef EXTERNAL_SERIAL_SIZE
+ #define EXTERNAL_SERIAL_SIZE 32
+#endif
+
+#ifdef NO_ASN
+ typedef struct DNS_entry DNS_entry;
+#endif
+
+struct WOLFSSL_X509 {
+ int version;
+ WOLFSSL_X509_NAME issuer;
+ WOLFSSL_X509_NAME subject;
+ int serialSz;
+ byte serial[EXTERNAL_SERIAL_SIZE];
+ char subjectCN[ASN_NAME_MAX]; /* common name short cut */
+#ifdef WOLFSSL_SEP
+ int deviceTypeSz;
+ byte deviceType[EXTERNAL_SERIAL_SIZE];
+ int hwTypeSz;
+ byte hwType[EXTERNAL_SERIAL_SIZE];
+ int hwSerialNumSz;
+ byte hwSerialNum[EXTERNAL_SERIAL_SIZE];
+ #ifdef OPENSSL_EXTRA
+ byte certPolicySet;
+ byte certPolicyCrit;
+ #endif /* OPENSSL_EXTRA */
+#endif
+ int notBeforeSz;
+ byte notBefore[MAX_DATE_SZ];
+ int notAfterSz;
+ byte notAfter[MAX_DATE_SZ];
+ int sigOID;
+ buffer sig;
+ int pubKeyOID;
+ buffer pubKey;
+ #ifdef HAVE_ECC
+ word32 pkCurveOID;
+ #endif /* HAVE_ECC */
+ buffer derCert; /* may need */
+ DNS_entry* altNames; /* alt names list */
+ DNS_entry* altNamesNext; /* hint for retrieval */
+ byte dynamicMemory; /* dynamic memory flag */
+ byte isCa;
+#ifdef OPENSSL_EXTRA
+ word32 pathLength;
+ word16 keyUsage;
+ byte basicConstSet;
+ byte basicConstCrit;
+ byte basicConstPlSet;
+ byte subjAltNameSet;
+ byte subjAltNameCrit;
+ byte authKeyIdSet;
+ byte authKeyIdCrit;
+ byte* authKeyId;
+ word32 authKeyIdSz;
+ byte subjKeyIdSet;
+ byte subjKeyIdCrit;
+ byte* subjKeyId;
+ word32 subjKeyIdSz;
+ byte keyUsageSet;
+ byte keyUsageCrit;
+#endif /* OPENSSL_EXTRA */
+};
+
+
+/* record layer header for PlainText, Compressed, and CipherText */
+typedef struct RecordLayerHeader {
+ byte type;
+ byte pvMajor;
+ byte pvMinor;
+ byte length[2];
+} RecordLayerHeader;
+
+
+/* record layer header for DTLS PlainText, Compressed, and CipherText */
+typedef struct DtlsRecordLayerHeader {
+ byte type;
+ byte pvMajor;
+ byte pvMinor;
+ byte epoch[2]; /* increment on cipher state change */
+ byte sequence_number[6]; /* per record */
+ byte length[2];
+} DtlsRecordLayerHeader;
+
+
+typedef struct DtlsPool {
+ buffer buf[DTLS_POOL_SZ];
+ int used;
+} DtlsPool;
+
+typedef struct DtlsMsg {
+ struct DtlsMsg* next;
+ word32 seq; /* Handshake sequence number */
+ word32 sz; /* Length of whole mesage */
+ word32 fragSz; /* Length of fragments received */
+ byte type;
+ byte* buf;
+ byte* msg;
+} DtlsMsg;
+
+
+#ifdef HAVE_NETX
+
+ /* NETX I/O Callback default */
+ typedef struct NetX_Ctx {
+ NX_TCP_SOCKET* nxSocket; /* send/recv socket handle */
+ NX_PACKET* nxPacket; /* incoming packet handle for short reads */
+ ULONG nxOffset; /* offset already read from nxPacket */
+ ULONG nxWait; /* wait option flag */
+ } NetX_Ctx;
+
+#endif
+
+
+/* Handshake messages recevied from peer (plus change cipher */
+typedef struct MsgsReceived {
+ word16 got_hello_request:1;
+ word16 got_client_hello:1;
+ word16 got_server_hello:1;
+ word16 got_hello_verify_request:1;
+ word16 got_session_ticket:1;
+ word16 got_certificate:1;
+ word16 got_server_key_exchange:1;
+ word16 got_certificate_request:1;
+ word16 got_server_hello_done:1;
+ word16 got_certificate_verify:1;
+ word16 got_client_key_exchange:1;
+ word16 got_finished:1;
+ word16 got_change_cipher:1;
+} MsgsReceived;
+
+
+/* Handshake hashes */
+typedef struct HS_Hashes {
+ Hashes verifyHashes;
+ Hashes certHashes; /* for cert verify */
+#ifndef NO_OLD_TLS
+#ifndef NO_SHA
+ Sha hashSha; /* sha hash of handshake msgs */
+#endif
+#ifndef NO_MD5
+ Md5 hashMd5; /* md5 hash of handshake msgs */
+#endif
+#endif /* NO_OLD_TLS */
+#ifndef NO_SHA256
+ Sha256 hashSha256; /* sha256 hash of handshake msgs */
+#endif
+#ifdef WOLFSSL_SHA384
+ Sha384 hashSha384; /* sha384 hash of handshake msgs */
+#endif
+#ifdef WOLFSSL_SHA512
+ Sha512 hashSha512; /* sha512 hash of handshake msgs */
+#endif
+} HS_Hashes;
+
+
+/* wolfSSL ssl type */
+struct WOLFSSL {
+ WOLFSSL_CTX* ctx;
+ Suites* suites; /* only need during handshake */
+ Arrays* arrays;
+ HS_Hashes* hsHashes;
+ void* IOCB_ReadCtx;
+ void* IOCB_WriteCtx;
+ RNG* rng;
+ void* verifyCbCtx; /* cert verify callback user ctx*/
+ VerifyCallback verifyCallback; /* cert verification callback */
+ void* heap; /* for user overrides */
+#ifndef NO_HANDSHAKE_DONE_CB
+ HandShakeDoneCb hsDoneCb; /* notify user handshake done */
+ void* hsDoneCtx; /* user handshake cb context */
+#endif
+ WOLFSSL_CIPHER cipher;
+ hmacfp hmac;
+ Ciphers encrypt;
+ Ciphers decrypt;
+ Buffers buffers;
+ WOLFSSL_SESSION session;
+ WOLFSSL_ALERT_HISTORY alert_history;
+ int error;
+ int rfd; /* read file descriptor */
+ int wfd; /* write file descriptor */
+ int rflags; /* user read flags */
+ int wflags; /* user write flags */
+ word32 timeout; /* session timeout */
+ word16 curSize;
+ RecordLayerHeader curRL;
+ MsgsReceived msgsReceived; /* peer messages received */
+ ProtocolVersion version; /* negotiated version */
+ ProtocolVersion chVersion; /* client hello version */
+ CipherSpecs specs;
+ Keys keys;
+ Options options;
+#ifdef OPENSSL_EXTRA
+ WOLFSSL_BIO* biord; /* socket bio read to free/close */
+ WOLFSSL_BIO* biowr; /* socket bio write to free/close */
+#endif
+#ifndef NO_RSA
+ RsaKey* peerRsaKey;
+ byte peerRsaKeyPresent;
+#endif
+#ifdef HAVE_NTRU
+ word16 peerNtruKeyLen;
+ byte peerNtruKey[MAX_NTRU_PUB_KEY_SZ];
+ byte peerNtruKeyPresent;
+#endif
+#ifdef HAVE_ECC
+ ecc_key* peerEccKey; /* peer's ECDHE key */
+ ecc_key* peerEccDsaKey; /* peer's ECDSA key */
+ ecc_key* eccTempKey; /* private ECDHE key */
+ word32 pkCurveOID; /* curve Ecc_Sum */
+ word16 eccTempKeySz; /* in octets 20 - 66 */
+ byte peerEccKeyPresent;
+ byte peerEccDsaKeyPresent;
+ byte eccTempKeyPresent;
+#endif
+#ifdef HAVE_LIBZ
+ z_stream c_stream; /* compression stream */
+ z_stream d_stream; /* decompression stream */
+ byte didStreamInit; /* for stream init and end */
+#endif
+#ifdef WOLFSSL_DTLS
+ int dtls_timeout_init; /* starting timeout vaule */
+ int dtls_timeout_max; /* maximum timeout value */
+ int dtls_timeout; /* current timeout value, changes */
+ DtlsPool* dtls_pool;
+ DtlsMsg* dtls_msg_list;
+ void* IOCB_CookieCtx; /* gen cookie ctx */
+ word32 dtls_expected_rx;
+#endif
+#ifdef WOLFSSL_CALLBACKS
+ HandShakeInfo handShakeInfo; /* info saved during handshake */
+ TimeoutInfo timeoutInfo; /* info saved during handshake */
+ byte hsInfoOn; /* track handshake info */
+ byte toInfoOn; /* track timeout info */
+#endif
+#ifdef HAVE_FUZZER
+ CallbackFuzzer fuzzerCb; /* for testing with using fuzzer */
+ void* fuzzerCtx; /* user defined pointer */
+#endif
+#ifdef KEEP_PEER_CERT
+ WOLFSSL_X509 peerCert; /* X509 peer cert */
+#endif
+#ifdef FORTRESS
+ void* ex_data[MAX_EX_DATA]; /* external data, for Fortress */
+#endif
+#ifdef HAVE_CAVIUM
+ int devId; /* cavium device id to use */
+#endif
+#ifdef HAVE_ONE_TIME_AUTH
+ OneTimeAuth auth;
+#endif
+#ifdef HAVE_TLS_EXTENSIONS
+ TLSX* extensions; /* RFC 6066 TLS Extensions data */
+ #ifdef HAVE_MAX_FRAGMENT
+ word16 max_fragment;
+ #endif
+ #ifdef HAVE_TRUNCATED_HMAC
+ byte truncated_hmac;
+ #endif
+ #ifdef HAVE_SECURE_RENEGOTIATION
+ SecureRenegotiation* secure_renegotiation; /* valid pointer indicates */
+ #endif /* user turned on */
+ #if !defined(NO_WOLFSSL_CLIENT) && defined(HAVE_SESSION_TICKET)
+ CallbackSessionTicket session_ticket_cb;
+ void* session_ticket_ctx;
+ byte expect_session_ticket;
+ #endif
+#endif /* HAVE_TLS_EXTENSIONS */
+#ifdef HAVE_NETX
+ NetX_Ctx nxCtx; /* NetX IO Context */
+#endif
+#ifdef SESSION_INDEX
+ int sessionIndex; /* Session's location in the cache. */
+#endif
+#ifdef ATOMIC_USER
+ void* MacEncryptCtx; /* Atomic User Mac/Encrypt Callback Context */
+ void* DecryptVerifyCtx; /* Atomic User Decrypt/Verify Callback Context */
+#endif
+#ifdef HAVE_PK_CALLBACKS
+ #ifdef HAVE_ECC
+ void* EccSignCtx; /* Ecc Sign Callback Context */
+ void* EccVerifyCtx; /* Ecc Verify Callback Context */
+ #endif /* HAVE_ECC */
+ #ifndef NO_RSA
+ void* RsaSignCtx; /* Rsa Sign Callback Context */
+ void* RsaVerifyCtx; /* Rsa Verify Callback Context */
+ void* RsaEncCtx; /* Rsa Public Encrypt Callback Context */
+ void* RsaDecCtx; /* Rsa Private Decrypt Callback Context */
+ #endif /* NO_RSA */
+#endif /* HAVE_PK_CALLBACKS */
+#ifdef HAVE_SECRET_CALLBACK
+ SessionSecretCb sessionSecretCb;
+ void* sessionSecretCtx;
+#endif /* HAVE_SECRET_CALLBACK */
+};
+
+
+WOLFSSL_LOCAL
+int InitSSL(WOLFSSL*, WOLFSSL_CTX*);
+WOLFSSL_LOCAL
+void FreeSSL(WOLFSSL*);
+WOLFSSL_API void SSL_ResourceFree(WOLFSSL*); /* Micrium uses */
+
+
+enum {
+ IV_SZ = 32, /* max iv sz */
+ NAME_SZ = 80 /* max one line */
+};
+
+
+typedef struct EncryptedInfo {
+ char name[NAME_SZ]; /* encryption name */
+ byte iv[IV_SZ]; /* encrypted IV */
+ word32 ivSz; /* encrypted IV size */
+ long consumed; /* tracks PEM bytes consumed */
+ byte set; /* if encryption set */
+ WOLFSSL_CTX* ctx; /* CTX owner */
+} EncryptedInfo;
+
+
+#ifndef NO_CERTS
+ WOLFSSL_LOCAL int PemToDer(const unsigned char* buff, long sz, int type,
+ buffer* der, void* heap, EncryptedInfo* info,
+ int* eccKey);
+
+ WOLFSSL_LOCAL int ProcessFile(WOLFSSL_CTX* ctx, const char* fname, int format,
+ int type, WOLFSSL* ssl, int userChain,
+ WOLFSSL_CRL* crl);
+#endif
+
+
+#ifdef WOLFSSL_CALLBACKS
+ WOLFSSL_LOCAL
+ void InitHandShakeInfo(HandShakeInfo*);
+ WOLFSSL_LOCAL
+ void FinishHandShakeInfo(HandShakeInfo*, const WOLFSSL*);
+ WOLFSSL_LOCAL
+ void AddPacketName(const char*, HandShakeInfo*);
+
+ WOLFSSL_LOCAL
+ void InitTimeoutInfo(TimeoutInfo*);
+ WOLFSSL_LOCAL
+ void FreeTimeoutInfo(TimeoutInfo*, void*);
+ WOLFSSL_LOCAL
+ void AddPacketInfo(const char*, TimeoutInfo*, const byte*, int, void*);
+ WOLFSSL_LOCAL
+ void AddLateName(const char*, TimeoutInfo*);
+ WOLFSSL_LOCAL
+ void AddLateRecordHeader(const RecordLayerHeader* rl, TimeoutInfo* info);
+#endif
+
+
+/* Record Layer Header identifier from page 12 */
+enum ContentType {
+ no_type = 0,
+ change_cipher_spec = 20,
+ alert = 21,
+ handshake = 22,
+ application_data = 23
+};
+
+
+/* handshake header, same for each message type, pgs 20/21 */
+typedef struct HandShakeHeader {
+ byte type;
+ word24 length;
+} HandShakeHeader;
+
+
+/* DTLS handshake header, same for each message type */
+typedef struct DtlsHandShakeHeader {
+ byte type;
+ word24 length;
+ byte message_seq[2]; /* start at 0, restransmit gets same # */
+ word24 fragment_offset; /* bytes in previous fragments */
+ word24 fragment_length; /* length of this fragment */
+} DtlsHandShakeHeader;
+
+
+enum HandShakeType {
+ no_shake = -1,
+ hello_request = 0,
+ client_hello = 1,
+ server_hello = 2,
+ hello_verify_request = 3, /* DTLS addition */
+ session_ticket = 4,
+ certificate = 11,
+ server_key_exchange = 12,
+ certificate_request = 13,
+ server_hello_done = 14,
+ certificate_verify = 15,
+ client_key_exchange = 16,
+ finished = 20,
+ certificate_status = 22,
+ change_cipher_hs = 55 /* simulate unique handshake type for sanity
+ checks. record layer change_cipher
+ conflicts with handshake finished */
+};
+
+
+static const byte client[SIZEOF_SENDER] = { 0x43, 0x4C, 0x4E, 0x54 };
+static const byte server[SIZEOF_SENDER] = { 0x53, 0x52, 0x56, 0x52 };
+
+static const byte tls_client[FINISHED_LABEL_SZ + 1] = "client finished";
+static const byte tls_server[FINISHED_LABEL_SZ + 1] = "server finished";
+
+
+/* internal functions */
+WOLFSSL_LOCAL int SendChangeCipher(WOLFSSL*);
+WOLFSSL_LOCAL int SendTicket(WOLFSSL*);
+WOLFSSL_LOCAL int DoClientTicket(WOLFSSL*, const byte*, word32);
+WOLFSSL_LOCAL int SendData(WOLFSSL*, const void*, int);
+WOLFSSL_LOCAL int SendCertificate(WOLFSSL*);
+WOLFSSL_LOCAL int SendCertificateRequest(WOLFSSL*);
+WOLFSSL_LOCAL int SendServerKeyExchange(WOLFSSL*);
+WOLFSSL_LOCAL int SendBuffered(WOLFSSL*);
+WOLFSSL_LOCAL int ReceiveData(WOLFSSL*, byte*, int, int);
+WOLFSSL_LOCAL int SendFinished(WOLFSSL*);
+WOLFSSL_LOCAL int SendAlert(WOLFSSL*, int, int);
+WOLFSSL_LOCAL int ProcessReply(WOLFSSL*);
+
+WOLFSSL_LOCAL int SetCipherSpecs(WOLFSSL*);
+WOLFSSL_LOCAL int MakeMasterSecret(WOLFSSL*);
+
+WOLFSSL_LOCAL int AddSession(WOLFSSL*);
+WOLFSSL_LOCAL int DeriveKeys(WOLFSSL* ssl);
+WOLFSSL_LOCAL int StoreKeys(WOLFSSL* ssl, const byte* keyData);
+
+WOLFSSL_LOCAL int IsTLS(const WOLFSSL* ssl);
+WOLFSSL_LOCAL int IsAtLeastTLSv1_2(const WOLFSSL* ssl);
+
+WOLFSSL_LOCAL void FreeHandshakeResources(WOLFSSL* ssl);
+WOLFSSL_LOCAL void ShrinkInputBuffer(WOLFSSL* ssl, int forcedFree);
+WOLFSSL_LOCAL void ShrinkOutputBuffer(WOLFSSL* ssl);
+
+WOLFSSL_LOCAL int VerifyClientSuite(WOLFSSL* ssl);
+#ifndef NO_CERTS
+ WOLFSSL_LOCAL Signer* GetCA(void* cm, byte* hash);
+ #ifndef NO_SKID
+ WOLFSSL_LOCAL Signer* GetCAByName(void* cm, byte* hash);
+ #endif
+#endif
+WOLFSSL_LOCAL int BuildTlsFinished(WOLFSSL* ssl, Hashes* hashes,
+ const byte* sender);
+WOLFSSL_LOCAL void FreeArrays(WOLFSSL* ssl, int keep);
+WOLFSSL_LOCAL int CheckAvailableSize(WOLFSSL *ssl, int size);
+WOLFSSL_LOCAL int GrowInputBuffer(WOLFSSL* ssl, int size, int usedLength);
+
+#ifndef NO_TLS
+ WOLFSSL_LOCAL int MakeTlsMasterSecret(WOLFSSL*);
+ WOLFSSL_LOCAL int TLS_hmac(WOLFSSL* ssl, byte* digest, const byte* in,
+ word32 sz, int content, int verify);
+#endif
+
+#ifndef NO_WOLFSSL_CLIENT
+ WOLFSSL_LOCAL int SendClientHello(WOLFSSL*);
+ WOLFSSL_LOCAL int SendClientKeyExchange(WOLFSSL*);
+ WOLFSSL_LOCAL int SendCertificateVerify(WOLFSSL*);
+#endif /* NO_WOLFSSL_CLIENT */
+
+#ifndef NO_WOLFSSL_SERVER
+ WOLFSSL_LOCAL int SendServerHello(WOLFSSL*);
+ WOLFSSL_LOCAL int SendServerHelloDone(WOLFSSL*);
+ #ifdef WOLFSSL_DTLS
+ WOLFSSL_LOCAL int SendHelloVerifyRequest(WOLFSSL*);
+ #endif
+#endif /* NO_WOLFSSL_SERVER */
+
+#ifdef WOLFSSL_DTLS
+ WOLFSSL_LOCAL int DtlsPoolInit(WOLFSSL*);
+ WOLFSSL_LOCAL int DtlsPoolSave(WOLFSSL*, const byte*, int);
+ WOLFSSL_LOCAL int DtlsPoolTimeout(WOLFSSL*);
+ WOLFSSL_LOCAL int DtlsPoolSend(WOLFSSL*);
+ WOLFSSL_LOCAL void DtlsPoolReset(WOLFSSL*);
+
+ WOLFSSL_LOCAL DtlsMsg* DtlsMsgNew(word32, void*);
+ WOLFSSL_LOCAL void DtlsMsgDelete(DtlsMsg*, void*);
+ WOLFSSL_LOCAL void DtlsMsgListDelete(DtlsMsg*, void*);
+ WOLFSSL_LOCAL void DtlsMsgSet(DtlsMsg*, word32, const byte*, byte,
+ word32, word32);
+ WOLFSSL_LOCAL DtlsMsg* DtlsMsgFind(DtlsMsg*, word32);
+ WOLFSSL_LOCAL DtlsMsg* DtlsMsgStore(DtlsMsg*, word32, const byte*, word32,
+ byte, word32, word32, void*);
+ WOLFSSL_LOCAL DtlsMsg* DtlsMsgInsert(DtlsMsg*, DtlsMsg*);
+#endif /* WOLFSSL_DTLS */
+
+#ifndef NO_TLS
+
+
+#endif /* NO_TLS */
+
+
+WOLFSSL_LOCAL word32 LowResTimer(void);
+
+WOLFSSL_LOCAL void InitX509Name(WOLFSSL_X509_NAME*, int);
+WOLFSSL_LOCAL void FreeX509Name(WOLFSSL_X509_NAME* name);
+WOLFSSL_LOCAL void InitX509(WOLFSSL_X509*, int);
+WOLFSSL_LOCAL void FreeX509(WOLFSSL_X509*);
+#ifndef NO_CERTS
+ WOLFSSL_LOCAL int CopyDecodedToX509(WOLFSSL_X509*, DecodedCert*);
+#endif
+
+/* used by ssl.c and wolfssl_int.c */
+WOLFSSL_LOCAL void c32to24(word32 in, word24 out);
+
+WOLFSSL_LOCAL const char* const* GetCipherNames(void);
+WOLFSSL_LOCAL int GetCipherNamesSize(void);
+
+
+enum encrypt_side {
+ ENCRYPT_SIDE_ONLY = 1,
+ DECRYPT_SIDE_ONLY,
+ ENCRYPT_AND_DECRYPT_SIDE
+};
+
+WOLFSSL_LOCAL int SetKeysSide(WOLFSSL*, enum encrypt_side);
+
+
+#ifdef __cplusplus
+ } /* extern "C" */
+#endif
+
+#endif /* wolfSSL_INT_H */
+
+