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:
- 13:f67a6c6013ca
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/wolfssl/internal.h Tue Aug 22 10:48:22 2017 +0000
@@ -0,0 +1,3834 @@
+/* internal.h
+ *
+ * Copyright (C) 2006-2016 wolfSSL Inc.
+ *
+ * This file is part of 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 02110-1335, 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>
+ #include <wolfssl/wolfcrypt/pkcs12.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
+#ifdef HAVE_ED25519
+ #include <wolfssl/wolfcrypt/ed25519.h>
+#endif
+#ifdef HAVE_CURVE25519
+ #include <wolfssl/wolfcrypt/curve25519.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
+#ifdef HAVE_IDEA
+ #include <wolfssl/wolfcrypt/idea.h>
+#endif
+#ifndef NO_RSA
+ #include <wolfssl/wolfcrypt/rsa.h>
+#endif
+#ifdef HAVE_ECC
+ #include <wolfssl/wolfcrypt/ecc.h>
+#endif
+#ifndef NO_DH
+ #include <wolfssl/wolfcrypt/dh.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(FREERTOS_TCP) || defined(WOLFSSL_SAFERTOS)
+ /* do nothing */
+#elif defined(EBSNET)
+ /* do nothing */
+#elif defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
+ /* do nothing */
+#elif defined(FREESCALE_FREE_RTOS)
+ #include "fsl_os_abstraction.h"
+#elif defined(WOLFSSL_uITRON4)
+ /* do nothing */
+#elif defined(WOLFSSL_uTKERNEL2)
+ /* do nothing */
+#elif defined(WOLFSSL_MDK_ARM)
+ #if defined(WOLFSSL_MDK5)
+ #include "cmsis_os.h"
+ #else
+ #include <rtl.h>
+ #endif
+#elif defined(WOLFSSL_CMSIS_RTOS)
+ #include "cmsis_os.h"
+#elif defined(MBED)
+#elif defined(WOLFSSL_TIRTOS)
+ /* do nothing */
+#elif defined(INTIME_RTOS)
+ #include <rt.h>
+#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
+
+#ifndef CHAR_BIT
+ /* Needed for DTLS without big math */
+ #include <limits.h>
+#endif
+
+
+#ifdef HAVE_LIBZ
+ #include "zlib.h"
+#endif
+
+#ifdef WOLFSSL_ASYNC_CRYPT
+ #include <wolfssl/wolfcrypt/async.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_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
+
+
+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
+
+/* Have QSH : Quantum-safe Handshake */
+#if defined(HAVE_QSH)
+ #define BUILD_TLS_QSH
+#endif
+
+#ifndef WOLFSSL_MAX_STRENGTH
+
+ #if !defined(NO_RSA) && !defined(NO_RC4)
+ #if defined(WOLFSSL_STATIC_RSA)
+ #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
+ #endif
+ #if !defined(NO_TLS) && defined(HAVE_NTRU) && !defined(NO_SHA) \
+ && defined(WOLFSSL_STATIC_RSA)
+ #define BUILD_TLS_NTRU_RSA_WITH_RC4_128_SHA
+ #endif
+ #endif
+
+ #if !defined(NO_RSA) && !defined(NO_DES3)
+ #if !defined(NO_SHA)
+ #if defined(WOLFSSL_STATIC_RSA)
+ #define BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA
+ #endif
+ #if !defined(NO_TLS) && defined(HAVE_NTRU) \
+ && defined(WOLFSSL_STATIC_RSA)
+ #define BUILD_TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA
+ #endif
+ #endif
+ #endif
+
+ #if !defined(NO_RSA) && defined(HAVE_IDEA)
+ #if !defined(NO_SHA) && defined(WOLFSSL_STATIC_RSA)
+ #define BUILD_SSL_RSA_WITH_IDEA_CBC_SHA
+ #endif
+ #endif
+
+ #if !defined(NO_RSA) && !defined(NO_AES) && !defined(NO_TLS)
+ #if !defined(NO_SHA)
+ #if defined(WOLFSSL_STATIC_RSA)
+ #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA
+ #endif
+ #if defined(HAVE_NTRU) && defined(WOLFSSL_STATIC_RSA)
+ #define BUILD_TLS_NTRU_RSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_NTRU_RSA_WITH_AES_256_CBC_SHA
+ #endif
+ #endif
+ #if defined(WOLFSSL_STATIC_RSA)
+ #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
+ #endif
+
+ #if defined(HAVE_CAMELLIA) && !defined(NO_TLS)
+ #ifndef NO_RSA
+ #if defined(WOLFSSL_STATIC_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
+ #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(WOLFSSL_STATIC_PSK)
+ #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
+#endif
+
+ #if !defined(NO_TLS) && defined(HAVE_NULL_CIPHER)
+ #if !defined(NO_RSA)
+ #if defined(WOLFSSL_STATIC_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
+ #endif
+ #if !defined(NO_PSK) && defined(WOLFSSL_STATIC_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(WOLFSSL_STATIC_RSA)
+ #if !defined(NO_HC128) && !defined(NO_RSA) && !defined(NO_TLS)
+ #ifndef NO_MD5
+ #define BUILD_TLS_RSA_WITH_HC_128_MD5
+ #endif
+ #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
+#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
+ #if !defined(NO_DES3)
+ #define BUILD_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA
+ #endif
+ #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
+ #ifndef NO_AES
+ #define BUILD_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
+ #endif
+ #ifdef HAVE_NULL_CIPHER
+ #define BUILD_TLS_DHE_PSK_WITH_NULL_SHA256
+ #endif
+ #endif
+ #ifdef WOLFSSL_SHA384
+ #ifndef NO_AES
+ #define BUILD_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
+ #endif
+ #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
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
+ #endif
+ #endif
+
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
+
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
+ #endif
+ #endif /* NO_SHA */
+ #ifndef NO_SHA256
+ #if !defined(NO_RSA)
+ #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
+ #endif
+ #endif
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
+ #endif
+ #endif
+
+ #ifdef WOLFSSL_SHA384
+ #if !defined(NO_RSA)
+ #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
+ #endif
+ #endif
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
+ #endif
+ #endif
+
+ #if defined (HAVE_AESGCM)
+ #if !defined(NO_RSA)
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
+ #endif
+ #if defined(WOLFSSL_SHA384)
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
+ #endif
+ #endif
+ #endif
+
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
+ #endif
+
+ #if defined(WOLFSSL_SHA384)
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
+ #endif
+ #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
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_RSA_WITH_RC4_128_SHA
+ #endif
+ #endif
+
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_ECDSA_WITH_RC4_128_SHA
+ #endif
+ #endif
+ #endif
+ #if !defined(NO_DES3)
+ #ifndef NO_SHA
+ #if !defined(NO_RSA)
+ #define BUILD_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
+ #endif
+ #endif
+
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
+ #if defined(WOLFSSL_STATIC_DH)
+ #define BUILD_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
+ #endif
+ #endif /* NO_SHA */
+ #endif
+ #if defined(HAVE_NULL_CIPHER)
+ #if !defined(NO_SHA)
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_NULL_SHA
+ #endif
+ #if !defined(NO_PSK) && !defined(NO_SHA256)
+ #define BUILD_TLS_ECDHE_PSK_WITH_NULL_SHA256
+ #endif
+ #endif
+ #if !defined(NO_PSK) && !defined(NO_SHA256) && !defined(NO_AES)
+ #define BUILD_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
+ #endif
+ #endif
+ #if defined(HAVE_CHACHA) && defined(HAVE_POLY1305) && !defined(NO_SHA256)
+ #if !defined(NO_OLD_POLY1305)
+ #ifdef HAVE_ECC
+ #define BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_OLD_POLY1305_SHA256
+ #ifndef NO_RSA
+ #define BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256
+ #endif
+ #endif
+ #if !defined(NO_DH) && !defined(NO_RSA)
+ #define BUILD_TLS_DHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256
+ #endif
+ #endif /* NO_OLD_POLY1305 */
+ #if !defined(NO_PSK)
+ #define BUILD_TLS_PSK_WITH_CHACHA20_POLY1305_SHA256
+ #ifdef HAVE_ECC
+ #define BUILD_TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256
+ #endif
+ #ifndef NO_DH
+ #define BUILD_TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256
+ #endif
+ #endif /* !NO_PSK */
+ #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
+ #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(WOLFSSL_TLS13)
+ #ifdef HAVE_AESGCM
+ #ifndef NO_SHA256
+ #define BUILD_TLS_AES_128_GCM_SHA256
+ #endif
+ #ifdef WOLFSSL_SHA384
+ #define BUILD_TLS_AES_256_GCM_SHA384
+ #endif
+ #endif
+
+ #ifdef HAVE_CHACHA
+ #ifndef NO_SHA256
+ #define BUILD_TLS_CHACHA20_POLY1305_SHA256
+ #endif
+ #endif
+
+ #ifdef HAVE_AESCCM
+ #ifndef NO_SHA256
+ #define BUILD_TLS_AES_128_CCM_SHA256
+ #define BUILD_TLS_AES_128_CCM_8_SHA256
+ #endif
+ #endif
+#endif
+
+#ifdef WOLFSSL_MULTICAST
+ #if defined(HAVE_NULL_CIPHER) && !defined(NO_SHA256)
+ #define BUILD_WDM_WITH_NULL_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_CBC_SHA256) || \
+ defined(BUILD_TLS_DHE_PSK_WITH_AES_128_CBC_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) || \
+ defined(BUILD_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256) || \
+ defined(BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384) || \
+ defined(BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384) || \
+ defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384) || \
+ defined(BUILD_TLS_PSK_WITH_AES_256_GCM_SHA384) || \
+ defined(BUILD_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384)
+ #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
+
+#if defined(NO_AES) || defined(NO_AES_DECRYPT)
+ #define AES_BLOCK_SIZE 16
+ #undef BUILD_AES
+#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
+
+#if defined(BUILD_SSL_RSA_WITH_IDEA_CBC_SHA)
+ #define BUILD_IDEA
+#endif
+
+/* actual cipher values, 2nd byte */
+enum {
+ TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x16,
+ 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,
+ SSL_RSA_WITH_IDEA_CBC_SHA = 0x07,
+
+ /* 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,
+ TLS_ECDHE_ECDSA_WITH_NULL_SHA = 0x06,
+ TLS_ECDHE_PSK_WITH_NULL_SHA256 = 0x3a,
+ TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 = 0x37,
+
+ /* 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,
+ WDM_WITH_NULL_SHA256 = 0xFE, /* wolfSSL DTLS Multicast */
+
+ /* 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,
+
+ /* wolfSSL extension - NTRU , Quantum-safe Handshake
+ first byte is 0xD0 (QSH_BYTE) */
+ TLS_QSH = 0x01,
+
+ /* 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 = 0xac,
+ 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,
+
+ /* chacha20-poly1305 suites first byte is 0xCC (CHACHA_BYTE) */
+ TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xa8,
+ TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0xa9,
+ TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0xaa,
+ TLS_ECDHE_PSK_WITH_CHACHA20_POLY1305_SHA256 = 0xac,
+ TLS_PSK_WITH_CHACHA20_POLY1305_SHA256 = 0xab,
+ TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256 = 0xad,
+
+ /* chacha20-poly1305 earlier version of nonce and padding (CHACHA_BYTE) */
+ TLS_ECDHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256 = 0x13,
+ TLS_ECDHE_ECDSA_WITH_CHACHA20_OLD_POLY1305_SHA256 = 0x14,
+ TLS_DHE_RSA_WITH_CHACHA20_OLD_POLY1305_SHA256 = 0x15,
+
+ /* TLS v1.3 cipher suites */
+ TLS_AES_128_GCM_SHA256 = 0x01,
+ TLS_AES_256_GCM_SHA384 = 0x02,
+ TLS_CHACHA20_POLY1305_SHA256 = 0x03,
+ TLS_AES_128_CCM_SHA256 = 0x04,
+ TLS_AES_128_CCM_8_SHA256 = 0x05,
+
+ /* 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
+
+
+#ifndef WOLFSSL_DTLS_WINDOW_WORDS
+ #define WOLFSSL_DTLS_WINDOW_WORDS 2
+#endif /* WOLFSSL_DTLS_WINDOW_WORDS */
+#define DTLS_WORD_BITS (sizeof(word32) * CHAR_BIT)
+#define DTLS_SEQ_BITS (WOLFSSL_DTLS_WINDOW_WORDS * DTLS_WORD_BITS)
+#define DTLS_SEQ_SZ (sizeof(word32) * WOLFSSL_DTLS_WINDOW_WORDS)
+
+#ifndef WOLFSSL_MULTICAST
+ #define WOLFSSL_DTLS_PEERSEQ_SZ 1
+#else
+ #ifndef WOLFSSL_MULTICAST_PEERS
+ /* max allowed multicast group peers */
+ #define WOLFSSL_MULTICAST_PEERS 100
+ #endif
+ #define WOLFSSL_DTLS_PEERSEQ_SZ WOLFSSL_MULTICAST_PEERS
+#endif /* WOLFSSL_MULTICAST */
+
+#ifndef WOLFSSL_MAX_MTU
+ #define WOLFSSL_MAX_MTU 1500
+#endif /* WOLFSSL_MAX_MTU */
+
+
+
+enum Misc {
+ ECC_BYTE = 0xC0, /* ECC first cipher suite byte */
+ QSH_BYTE = 0xD0, /* Quantum-safe Handshake cipher suite */
+ CHACHA_BYTE = 0xCC, /* ChaCha first cipher suite */
+ TLS13_BYTE = 0x13, /* TLS v1.3 first byte of 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 */
+ TLSv1_3_MINOR = 4, /* TLSv1_3 minor version number */
+ TLS_DRAFT_MAJOR = 0x7f, /* Draft TLS major version number */
+#ifdef WOLFSSL_TLS13_DRAFT_18
+ TLS_DRAFT_MINOR = 0x12, /* Minor version number of TLS draft */
+#else
+ TLS_DRAFT_MINOR = 0x14, /* Minor version number of TLS draft */
+#endif
+ 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 */
+ HELLO_EXT_EXTMS = 0x0017, /* ID for the extended master secret ext */
+ SECRET_LEN = 48, /* pre RSA and all master */
+#if defined(WOLFSSL_MYSQL_COMPATIBLE)
+ ENCRYPT_LEN = 1024, /* allow larger static buffer with mysql */
+#else
+ ENCRYPT_LEN = 512, /* allow 4096 bit static buffer */
+#endif
+ 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 = WOLFSSL_MAX_MTU, /* 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 */
+ ALERT_SIZE = 2, /* level + description */
+ VERIFY_HEADER = 2, /* always use 2 bytes */
+ EXTS_SZ = 2, /* always use 2 bytes */
+ EXT_ID_SZ = 2, /* always use 2 bytes */
+ MAX_DH_SIZE = 513, /* 4096 bit plus possible leading 0 */
+ NAMED_DH_MASK = 0x100, /* Named group mask for DH parameters */
+ SESSION_HINT_SZ = 4, /* session timeout hint */
+ SESSION_ADD_SZ = 4, /* session age add */
+ MAX_LIFETIME = 604800, /* maximum ticket lifetime */
+ MAX_EARLY_DATA_SZ = 4096, /* maximum early data size */
+
+ RAN_LEN = 32, /* random length */
+ SEED_LEN = RAN_LEN * 2, /* tls prf seed length */
+ ID_LEN = 32, /* session id length */
+ COOKIE_SECRET_SZ = 14, /* dtls cookie secret size */
+ 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 */
+ OPAQUE64_LEN = 8, /* 8 bytes */
+ COMP_LEN = 1, /* compression length */
+ CURVE_LEN = 2, /* ecc named curve length */
+ KE_GROUP_LEN = 2, /* key exchange group 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_SZ = 4, /* base length of a hello extension */
+ HELLO_EXT_TYPE_SZ = 2, /* length of a hello extension type */
+ HELLO_EXT_SZ_SZ = 2, /* length of a hello extension size */
+ HELLO_EXT_SIGALGO_SZ = 2, /* length of number of items in sigalgo list */
+ 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 = 255,/* allowed number of list items in TX pool */
+ DTLS_EXPORT_PRO = 165,/* wolfSSL protocol for serialized session */
+ DTLS_EXPORT_VERSION = 4, /* wolfSSL version for serialized session */
+ DTLS_EXPORT_OPT_SZ = 58, /* amount of bytes used from Options */
+ DTLS_EXPORT_VERSION_3 = 3, /* wolfSSL version before TLS 1.3 addition */
+ DTLS_EXPORT_OPT_SZ_3 = 57, /* amount of bytes used from Options */
+ DTLS_EXPORT_KEY_SZ = 325 + (DTLS_SEQ_SZ * 2),
+ /* max amount of bytes used from Keys */
+ DTLS_EXPORT_MIN_KEY_SZ = 78 + (DTLS_SEQ_SZ * 2),
+ /* min amount of bytes used from Keys */
+ DTLS_EXPORT_SPC_SZ = 16, /* amount of bytes used from CipherSpecs */
+ DTLS_EXPORT_LEN = 2, /* 2 bytes for length and protocol */
+ DTLS_EXPORT_IP = 46, /* max ip size IPv4 mapped IPv6 */
+ MAX_EXPORT_BUFFER = 514, /* max size of buffer for exporting */
+ FINISHED_LABEL_SZ = 15, /* TLS finished label size */
+ TLS_FINISHED_SZ = 12, /* TLS has a shorter size */
+ EXT_MASTER_LABEL_SZ = 22, /* TLS extended master secret label sz */
+ 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 */
+ PROTOCOL_LABEL_SZ = 9, /* Length of the protocol label */
+ MAX_LABEL_SZ = 34, /* Maximum length of a label */
+ MAX_HKDF_LABEL_SZ = OPAQUE16_LEN +
+ OPAQUE8_LEN + PROTOCOL_LABEL_SZ + MAX_LABEL_SZ +
+ OPAQUE8_LEN + MAX_DIGEST_SIZE,
+ 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_NONCE_SZ = 12,
+ AESGCM_IMP_IV_SZ = 4, /* Size of GCM/CCM AEAD implicit IV */
+ AESGCM_EXP_IV_SZ = 8, /* Size of GCM/CCM AEAD explicit IV */
+ AESGCM_NONCE_SZ = AESGCM_EXP_IV_SZ + AESGCM_IMP_IV_SZ,
+
+ CHACHA20_IMP_IV_SZ = 12, /* Size of ChaCha20 AEAD implicit IV */
+ CHACHA20_NONCE_SZ = 12, /* Size of ChacCha20 nonce */
+ CHACHA20_OLD_OFFSET = 4, /* Offset for seq # in old poly1305 */
+
+ /* For any new implicit/explicit IV size adjust AEAD_MAX_***_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 */
+ AESCCM_NONCE_SZ = 12,
+
+ 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 = 12, /* 96 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_CURVE_NAME_SZ = 16, /* Maximum size of curve name string */
+
+ NEW_SA_MAJOR = 8, /* Most signicant byte used with new sig algos */
+ ED25519_SA_MAJOR = 8, /* Most significant byte for ED25519 */
+ ED25519_SA_MINOR = 7, /* Least significant byte for ED25519 */
+ ED448_SA_MAJOR = 8, /* Most significant byte for ED448 */
+ ED448_SA_MINOR = 8, /* Least significant byte for ED448 */
+
+ MIN_RSA_SHA512_PSS_BITS = 512 * 2 + 8 * 8, /* Min key size */
+ MIN_RSA_SHA384_PSS_BITS = 384 * 2 + 8 * 8, /* Min key size */
+
+#ifdef HAVE_QSH
+ /* qsh handshake sends 600+ size keys over hello extensions */
+ MAX_HELLO_SZ = 2048, /* max client or server hello */
+#else
+ MAX_HELLO_SZ = 128, /* max client or server hello */
+#endif
+ 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 */
+ NULL_TERM_LEN = 1, /* length of null '\0' termination character */
+ MAX_PSK_KEY_LEN = 64, /* max psk key supported */
+ MIN_PSK_ID_LEN = 6, /* min length of identities */
+ MIN_PSK_BINDERS_LEN= 33, /* min length of binders */
+ MAX_TICKET_AGE_SECS= 10, /* maximum ticket age in seconds */
+
+ MAX_WOLFSSL_FILE_SIZE = 1024 * 1024 * 4, /* 4 mb file size alloc limit */
+
+#if defined(HAVE_EX_DATA) || defined(FORTRESS)
+ MAX_EX_DATA = 5, /* allow for five 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 */
+ 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_COPY = 0, /* should we copy static buffer for write */
+ COPY = 1, /* should we copy static buffer for write */
+
+ INVALID_PEER_ID = 0xFFFF, /* Initialize value for peer ID. */
+
+ PREV_ORDER = -1, /* Sequence number is in previous epoch. */
+ PEER_ORDER = 1, /* Peer sequence number for verify. */
+ CUR_ORDER = 0 /* Current sequence number. */
+};
+
+
+/* Set max implicit IV size for AEAD cipher suites */
+#define AEAD_MAX_IMP_SZ 12
+
+/* Set max explicit IV size for AEAD cipher suites */
+#define AEAD_MAX_EXP_SZ 8
+
+
+#ifndef WOLFSSL_MAX_SUITE_SZ
+ #define WOLFSSL_MAX_SUITE_SZ 300
+ /* 150 suites for now! */
+#endif
+
+/* set minimum ECC key size allowed */
+#ifndef WOLFSSL_MIN_ECC_BITS
+ #ifdef WOLFSSL_MAX_STRENGTH
+ #define WOLFSSL_MIN_ECC_BITS 256
+ #else
+ #define WOLFSSL_MIN_ECC_BITS 224
+ #endif
+#endif /* WOLFSSL_MIN_ECC_BITS */
+#if (WOLFSSL_MIN_ECC_BITS % 8)
+ /* Some ECC keys are not divisable by 8 such as prime239v1 or sect131r1.
+ In these cases round down to the nearest value divisable by 8. The
+ restriction of being divisable by 8 is in place to match wc_ecc_size
+ function from wolfSSL.
+ */
+ #error ECC minimum bit size must be a multiple of 8
+#endif
+#define MIN_ECCKEY_SZ (WOLFSSL_MIN_ECC_BITS / 8)
+
+/* set minimum RSA key size allowed */
+#ifndef WOLFSSL_MIN_RSA_BITS
+ #ifdef WOLFSSL_MAX_STRENGTH
+ #define WOLFSSL_MIN_RSA_BITS 2048
+ #else
+ #define WOLFSSL_MIN_RSA_BITS 1024
+ #endif
+#endif /* WOLFSSL_MIN_RSA_BITS */
+#if (WOLFSSL_MIN_RSA_BITS % 8)
+ /* This is to account for the example case of a min size of 2050 bits but
+ still allows 2049 bit key. So we need the measurment to be in bytes. */
+ #error RSA minimum bit size must be a multiple of 8
+#endif
+#define MIN_RSAKEY_SZ (WOLFSSL_MIN_RSA_BITS / 8)
+
+/* set minimum DH key size allowed */
+#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
+
+/* max size of a certificate message payload */
+/* assumes MAX_CHAIN_DEPTH number of certificates at 2kb per certificate */
+#ifndef MAX_CERTIFICATE_SZ
+ #define MAX_CERTIFICATE_SZ \
+ CERT_HEADER_SZ + \
+ (MAX_X509_SIZE + CERT_HEADER_SZ) * MAX_CHAIN_DEPTH
+#endif
+
+/* max size of a handshake message, currently set to the certificate */
+#ifndef MAX_HANDSHAKE_SZ
+ #define MAX_HANDSHAKE_SZ MAX_CERTIFICATE_SZ
+#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_ENCRYPTED_EXTENSIONS_COMPLETE,
+ SERVER_CERT_COMPLETE,
+ SERVER_KEYEXCHANGE_COMPLETE,
+ SERVER_HELLODONE_COMPLETE,
+ SERVER_FINISHED_COMPLETE,
+ SERVER_HELLO_RETRY_REQUEST,
+
+ 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);
+WOLFSSL_LOCAL ProtocolVersion MakeTLSv1_3(void);
+
+#ifdef WOLFSSL_DTLS
+ WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1(void);
+ WOLFSSL_LOCAL ProtocolVersion MakeDTLSv1_2(void);
+
+ #ifdef WOLFSSL_SESSION_EXPORT
+ WOLFSSL_LOCAL int wolfSSL_dtls_import_internal(WOLFSSL* ssl, byte* buf,
+ word32 sz);
+ WOLFSSL_LOCAL int wolfSSL_dtls_export_internal(WOLFSSL* ssl, byte* buf,
+ word32 sz);
+ WOLFSSL_LOCAL int wolfSSL_send_session(WOLFSSL* ssl);
+ #endif
+#endif
+
+
+enum BIO_TYPE {
+ BIO_BUFFER = 1,
+ BIO_SOCKET = 2,
+ BIO_SSL = 3,
+ BIO_MEMORY = 4,
+ BIO_BIO = 5,
+ BIO_FILE = 6
+};
+
+
+/* wolfSSL BIO_METHOD type */
+struct WOLFSSL_BIO_METHOD {
+ byte type; /* method type */
+};
+
+
+/* wolfSSL BIO type */
+struct WOLFSSL_BIO {
+ WOLFSSL* ssl; /* possible associated ssl */
+#ifndef NO_FILESYSTEM
+ XFILE file;
+#endif
+ WOLFSSL_BIO* prev; /* previous in chain */
+ WOLFSSL_BIO* next; /* next in chain */
+ WOLFSSL_BIO* pair; /* BIO paired with */
+ void* heap; /* user heap hint */
+ byte* mem; /* memory buffer */
+ int wrSz; /* write buffer size (mem) */
+ int wrIdx; /* current index for write buffer */
+ int rdIdx; /* current read index */
+ int readRq; /* read request */
+ int memLen; /* memory buffer length */
+ int fd; /* possible file descriptor */
+ int eof; /* eof flag */
+ byte type; /* method type */
+ byte close; /* close flag */
+};
+
+
+/* wolfSSL method type */
+struct WOLFSSL_METHOD {
+ ProtocolVersion version;
+ byte side; /* connection side, server or client */
+ byte downgrade; /* whether to downgrade version, default no */
+};
+
+/* wolfSSL buffer type - internal uses "buffer" type */
+typedef WOLFSSL_BUFFER_INFO buffer;
+
+
+/* defaults 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);
+/* TLS v1.3 needs these */
+WOLFSSL_LOCAL int DoClientHello(WOLFSSL* ssl, const byte* input, word32*,
+ word32);
+#ifdef WOLFSSL_TLS13
+WOLFSSL_LOCAL int DoTls13ClientHello(WOLFSSL* ssl, const byte* input,
+ word32* inOutIdx, word32 helloSz);
+#endif
+WOLFSSL_LOCAL int DoServerHello(WOLFSSL* ssl, const byte* input, word32*,
+ word32);
+WOLFSSL_LOCAL int CheckVersion(WOLFSSL *ssl, ProtocolVersion pv);
+WOLFSSL_LOCAL void PickHashSigAlgo(WOLFSSL* ssl, const byte* hashSigAlgo,
+ word32 hashSigAlgoSz);
+WOLFSSL_LOCAL int DecodePrivateKey(WOLFSSL *ssl, word16* length);
+WOLFSSL_LOCAL void FreeKeyExchange(WOLFSSL* ssl);
+WOLFSSL_LOCAL int ProcessPeerCerts(WOLFSSL* ssl, byte* input, word32* inOutIdx, word32 size);
+WOLFSSL_LOCAL int MatchDomainName(const char* pattern, int len, const char* str);
+#ifndef NO_CERTS
+WOLFSSL_LOCAL int CheckAltNames(DecodedCert* dCert, char* domain);
+#endif
+WOLFSSL_LOCAL int CreateTicket(WOLFSSL* ssl);
+WOLFSSL_LOCAL int HashOutputRaw(WOLFSSL* ssl, const byte* output, int sz);
+WOLFSSL_LOCAL int HashOutput(WOLFSSL* ssl, const byte* output, int sz,
+ int ivSz);
+WOLFSSL_LOCAL int HashInput(WOLFSSL* ssl, const byte* input, int sz);
+#if defined(HAVE_STUNNEL) || defined(WOLFSSL_NGINX) || defined (WOLFSSL_HAPROXY)
+WOLFSSL_LOCAL int SNI_Callback(WOLFSSL* ssl);
+#endif
+#ifdef WOLFSSL_TLS13
+WOLFSSL_LOCAL int DecryptTls13(WOLFSSL* ssl, byte* output, const byte* input,
+ word16 sz);
+WOLFSSL_LOCAL int DoTls13HandShakeMsgType(WOLFSSL* ssl, byte* input,
+ word32* inOutIdx, byte type,
+ word32 size, word32 totalSz);
+WOLFSSL_LOCAL int DoTls13HandShakeMsg(WOLFSSL* ssl, byte* input,
+ word32* inOutIdx, word32 totalSz);
+WOLFSSL_LOCAL int DoTls13ServerHello(WOLFSSL* ssl, const byte* input,
+ word32* inOutIdx, word32 helloSz);
+#endif
+
+#ifndef NO_CERTS
+ /* wolfSSL DER buffer */
+ typedef struct DerBuffer {
+ byte* buffer;
+ void* heap;
+ word32 length;
+ int type; /* enum CertType */
+ int dynType; /* DYNAMIC_TYPE_* */
+ } DerBuffer;
+#endif /* !NO_CERTS */
+
+
+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 chunks */
+#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[WOLFSSL_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 InitSuitesHashSigAlgo(Suites* suites, int haveECDSAsig,
+ int haveRSAsig, int haveAnon,
+ int tls1_2, int keySz);
+WOLFSSL_LOCAL void InitSuites(Suites*, ProtocolVersion, int, word16, word16,
+ word16, word16, word16, word16, word16, int);
+WOLFSSL_LOCAL int MatchSuite(WOLFSSL* ssl, Suites* peerSuites);
+WOLFSSL_LOCAL int SetCipherList(WOLFSSL_CTX*, Suites*, const char* list);
+
+#ifndef PSK_TYPES_DEFINED
+ typedef unsigned int (*wc_psk_client_callback)(WOLFSSL*, const char*, char*,
+ unsigned int, unsigned char*, unsigned int);
+ typedef unsigned int (*wc_psk_server_callback)(WOLFSSL*, const char*,
+ unsigned char*, unsigned int);
+#endif /* PSK_TYPES_DEFINED */
+#ifdef WOLFSSL_DTLS
+ typedef int (*wc_dtls_export)(WOLFSSL* ssl,
+ unsigned char* exportBuffer, unsigned int sz, void* userCtx);
+#endif
+
+
+/* wolfSSL Cipher type just points back to SSL */
+struct WOLFSSL_CIPHER {
+ WOLFSSL* ssl;
+};
+
+
+typedef struct OcspEntry OcspEntry;
+
+#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 OcspEntry {
+ OcspEntry* 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 */
+ OcspEntry* ocspList; /* OCSP response list */
+ wolfSSL_Mutex ocspLock; /* OCSP list lock */
+#if defined(WOLFSSL_NGINX) || defined (WOLFSSL_HAPROXY)
+ int(*statusCb)(WOLFSSL*, void*);
+#endif
+};
+
+#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 */
+ int verified;
+ byte* toBeSigned;
+ word32 tbsSz;
+ byte* signature;
+ word32 signatureSz;
+ word32 signatureOID;
+#if !defined(NO_SKID) && defined(CRL_SKID_READY)
+ byte extAuthKeyIdSet;
+ byte extAuthKeyId[KEYID_SIZE];
+#endif
+};
+
+
+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 */
+};
+
+
+#if defined(HAVE_CRL) && defined(NO_FILESYSTEM)
+ #undef HAVE_CRL_MONITOR
+#endif
+
+/* wolfSSL CRL controller */
+struct WOLFSSL_CRL {
+ WOLFSSL_CERT_MANAGER* cm; /* pointer back to cert manager */
+ CRL_Entry* crlList; /* our CRL list */
+#ifdef HAVE_CRL_IO
+ CbCrlIO crlIOCb;
+#endif
+ wolfSSL_Mutex crlLock; /* CRL list lock */
+ CRL_Monitor monitors[2]; /* PEM and DER possible */
+#ifdef HAVE_CRL_MONITOR
+ pthread_cond_t cond; /* condition to signal setup */
+ pthread_t tid; /* monitoring thread */
+ int mfd; /* monitor fd, -1 if no init yet */
+ int setup; /* thread is setup predicate */
+#endif
+ void* heap; /* heap hint for dynamic memory */
+};
+
+
+#ifdef NO_ASN
+ typedef struct Signer Signer;
+#ifdef WOLFSSL_TRUST_PEER_CERT
+ typedef struct TrustedPeerCert TrustedPeerCert;
+#endif
+#endif
+
+
+#ifndef CA_TABLE_SIZE
+ #define CA_TABLE_SIZE 11
+#endif
+#ifdef WOLFSSL_TRUST_PEER_CERT
+ #define TP_TABLE_SIZE 11
+#endif
+
+/* wolfSSL Certificate Manager */
+struct WOLFSSL_CERT_MANAGER {
+ Signer* caTable[CA_TABLE_SIZE]; /* the CA signer table */
+ void* heap; /* heap helper */
+#ifdef WOLFSSL_TRUST_PEER_CERT
+ TrustedPeerCert* tpTable[TP_TABLE_SIZE]; /* table of trusted peer certs */
+ wolfSSL_Mutex tpLock; /* trusted peer list lock */
+#endif
+ WOLFSSL_CRL* crl; /* CRL checker */
+ WOLFSSL_OCSP* ocsp; /* OCSP checker */
+#if !defined(NO_WOLFSSL_SERVER) && (defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
+ || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2))
+ WOLFSSL_OCSP* ocsp_stapling; /* OCSP checker for OCSP stapling */
+#endif
+ 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 */
+ byte ocspStaplingEnabled; /* is OCSP Stapling on ? */
+
+#ifndef NO_RSA
+ short minRsaKeySz; /* minimum allowed RSA key size */
+#endif
+#if defined(HAVE_ECC) || defined(HAVE_ED25519)
+ short minEccKeySz; /* minimum allowed ECC key size */
+#endif
+};
+
+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 rfd;
+ int wfd;
+} WOLFSSL_DTLS_CTX;
+
+
+typedef struct WOLFSSL_DTLS_PEERSEQ {
+ word32 window[WOLFSSL_DTLS_WINDOW_WORDS];
+ /* Sliding window for current epoch */
+ word16 nextEpoch; /* Expected epoch in next record */
+ word16 nextSeq_hi; /* Expected sequence in next record */
+ word32 nextSeq_lo;
+
+ word32 prevWindow[WOLFSSL_DTLS_WINDOW_WORDS];
+ /* Sliding window for old epoch */
+ word32 prevSeq_lo;
+ word16 prevSeq_hi; /* Next sequence in allowed old epoch */
+
+#ifdef WOLFSSL_MULTICAST
+ word16 peerId;
+ word32 highwaterMark;
+#endif
+} WOLFSSL_DTLS_PEERSEQ;
+
+
+#define MAX_WRITE_IV_SZ 16 /* max size of client/server write_IV */
+
+/* keys and secrets
+ * keep as a constant size (no additional ifdefs) for session export */
+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[MAX_WRITE_IV_SZ]; /* max sizes */
+ byte server_write_IV[MAX_WRITE_IV_SZ];
+#if defined(HAVE_AEAD) || defined(WOLFSSL_SESSION_EXPORT)
+ byte aead_exp_IV[AEAD_MAX_EXP_SZ];
+ byte aead_enc_imp_IV[AEAD_MAX_IMP_SZ];
+ byte aead_dec_imp_IV[AEAD_MAX_IMP_SZ];
+#endif
+
+ word32 peer_sequence_number_hi;
+ word32 peer_sequence_number_lo;
+ word32 sequence_number_hi;
+ word32 sequence_number_lo;
+
+#ifdef WOLFSSL_DTLS
+ word16 curEpoch; /* Received epoch in current record */
+ word16 curSeq_hi; /* Received sequence in current record */
+ word32 curSeq_lo;
+#ifdef WOLFSSL_MULTICAST
+ byte curPeerId; /* Received peer group ID in current record */
+#endif
+ WOLFSSL_DTLS_PEERSEQ peerSeq[WOLFSSL_DTLS_PEERSEQ_SZ];
+
+ word16 dtls_peer_handshake_number;
+ word16 dtls_expected_peer_handshake_number;
+
+ word16 dtls_epoch; /* Current epoch */
+ word16 dtls_sequence_number_hi; /* Current epoch */
+ word32 dtls_sequence_number_lo;
+ word16 dtls_prev_sequence_number_hi; /* Previous epoch */
+ word32 dtls_prev_sequence_number_lo;
+ 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 */
+#ifdef WOLFSSL_TLS13
+ byte updateResponseReq:1; /* KeyUpdate response from peer required. */
+ byte keyUpdateRespond:1; /* KeyUpdate is to be responded to. */
+#endif
+} Keys;
+
+
+
+/** TLS Extensions - RFC 6066 */
+#ifdef HAVE_TLS_EXTENSIONS
+
+typedef enum {
+ TLSX_SERVER_NAME = 0x0000, /* a.k.a. SNI */
+ TLSX_MAX_FRAGMENT_LENGTH = 0x0001,
+ TLSX_TRUNCATED_HMAC = 0x0004,
+ TLSX_STATUS_REQUEST = 0x0005, /* a.k.a. OCSP stapling */
+ TLSX_SUPPORTED_GROUPS = 0x000a, /* a.k.a. Supported Curves */
+ TLSX_SIGNATURE_ALGORITHMS = 0x000d,
+ TLSX_APPLICATION_LAYER_PROTOCOL = 0x0010, /* a.k.a. ALPN */
+ TLSX_STATUS_REQUEST_V2 = 0x0011, /* a.k.a. OCSP stapling v2 */
+ TLSX_QUANTUM_SAFE_HYBRID = 0x0018, /* a.k.a. QSH */
+ TLSX_SESSION_TICKET = 0x0023,
+#ifdef WOLFSSL_TLS13
+ TLSX_KEY_SHARE = 0x0028,
+ #if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
+ TLSX_PRE_SHARED_KEY = 0x0029,
+ #endif
+ #ifdef WOLFSSL_EARLY_DATA
+ TLSX_EARLY_DATA = 0x002a,
+ #endif
+ TLSX_SUPPORTED_VERSIONS = 0x002b,
+ TLSX_COOKIE = 0x002c,
+ #if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
+ TLSX_PSK_KEY_EXCHANGE_MODES = 0x002d,
+ #endif
+ #ifdef WOLFSSL_POST_HANDSHAKE_AUTH
+ TLSX_POST_HANDSHAKE_AUTH = 0x0031,
+ #endif
+#endif
+ TLSX_RENEGOTIATION_INFO = 0xff01
+} TLSX_Type;
+
+typedef struct TLSX {
+ TLSX_Type type; /* Extension Type */
+ void* data; /* Extension Data */
+ word32 val; /* Extension Value */
+ 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, void* heap);
+WOLFSSL_LOCAL int TLSX_SupportExtensions(WOLFSSL* ssl);
+WOLFSSL_LOCAL int TLSX_PopulateExtensions(WOLFSSL* ssl, byte isRequest);
+
+#ifndef NO_WOLFSSL_CLIENT
+WOLFSSL_LOCAL word16 TLSX_GetRequestSize(WOLFSSL* ssl, byte msgType);
+WOLFSSL_LOCAL word16 TLSX_WriteRequest(WOLFSSL* ssl, byte* output,
+ byte msgType);
+#endif
+
+#ifndef NO_WOLFSSL_SERVER
+WOLFSSL_LOCAL word16 TLSX_GetResponseSize(WOLFSSL* ssl, byte msgType);
+WOLFSSL_LOCAL word16 TLSX_WriteResponse(WOLFSSL* ssl, byte* output,
+ byte msgType);
+#endif
+
+WOLFSSL_LOCAL int TLSX_Parse(WOLFSSL* ssl, byte* input, word16 length,
+ byte msgType, Suites *suites);
+
+#elif defined(HAVE_SNI) \
+ || defined(HAVE_MAX_FRAGMENT) \
+ || defined(HAVE_TRUNCATED_HMAC) \
+ || defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
+ || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2) \
+ || defined(HAVE_SUPPORTED_CURVES) \
+ || defined(HAVE_ALPN) \
+ || defined(HAVE_QSH) \
+ || defined(HAVE_SESSION_TICKET) \
+ || defined(HAVE_SECURE_RENEGOTIATION) \
+ || defined(HAVE_SERVER_RENEGOTIATION_INFO)
+
+#error Using TLS extensions requires HAVE_TLS_EXTENSIONS to be defined.
+
+#endif /* HAVE_TLS_EXTENSIONS */
+
+/** Server Name Indication - RFC 6066 (session 3) */
+#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; /* Behavior options */
+ byte status; /* Matching result */
+#endif
+} SNI;
+
+WOLFSSL_LOCAL int TLSX_UseSNI(TLSX** extensions, byte type, const void* data,
+ word16 size, void* heap);
+
+#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 */
+
+/* Application-Layer Protocol Negotiation - RFC 7301 */
+#ifdef HAVE_ALPN
+typedef struct ALPN {
+ char* protocol_name; /* ALPN protocol name */
+ struct ALPN* next; /* List Behavior */
+ byte options; /* Behavior options */
+ byte negotiated; /* ALPN protocol negotiated or not */
+} ALPN;
+
+WOLFSSL_LOCAL int TLSX_ALPN_GetRequest(TLSX* extensions,
+ void** data, word16 *dataSz);
+
+WOLFSSL_LOCAL int TLSX_UseALPN(TLSX** extensions, const void* data,
+ word16 size, byte options, void* heap);
+
+WOLFSSL_LOCAL int TLSX_ALPN_SetOptions(TLSX** extensions, const byte option);
+
+#endif /* HAVE_ALPN */
+
+/** Maximum Fragment Length Negotiation - RFC 6066 (session 4) */
+#ifdef HAVE_MAX_FRAGMENT
+
+WOLFSSL_LOCAL int TLSX_UseMaxFragment(TLSX** extensions, byte mfl, void* heap);
+
+#endif /* HAVE_MAX_FRAGMENT */
+
+/** Truncated HMAC - RFC 6066 (session 7) */
+#ifdef HAVE_TRUNCATED_HMAC
+
+WOLFSSL_LOCAL int TLSX_UseTruncatedHMAC(TLSX** extensions, void* heap);
+
+#endif /* HAVE_TRUNCATED_HMAC */
+
+/** Certificate Status Request - RFC 6066 (session 8) */
+#ifdef HAVE_CERTIFICATE_STATUS_REQUEST
+
+typedef struct {
+ byte status_type;
+ byte options;
+ union {
+ OcspRequest ocsp;
+ } request;
+} CertificateStatusRequest;
+
+WOLFSSL_LOCAL int TLSX_UseCertificateStatusRequest(TLSX** extensions,
+ byte status_type, byte options, void* heap, int devId);
+#ifndef NO_CERTS
+WOLFSSL_LOCAL int TLSX_CSR_InitRequest(TLSX* extensions, DecodedCert* cert,
+ void* heap);
+#endif
+WOLFSSL_LOCAL void* TLSX_CSR_GetRequest(TLSX* extensions);
+WOLFSSL_LOCAL int TLSX_CSR_ForceRequest(WOLFSSL* ssl);
+
+#endif
+
+/** Certificate Status Request v2 - RFC 6961 */
+#ifdef HAVE_CERTIFICATE_STATUS_REQUEST_V2
+
+typedef struct CSRIv2 {
+ byte status_type;
+ byte options;
+ word16 requests;
+ union {
+ OcspRequest ocsp[1 + MAX_CHAIN_DEPTH];
+ } request;
+ struct CSRIv2* next;
+} CertificateStatusRequestItemV2;
+
+WOLFSSL_LOCAL int TLSX_UseCertificateStatusRequestV2(TLSX** extensions,
+ byte status_type, byte options, void* heap, int devId);
+#ifndef NO_CERTS
+WOLFSSL_LOCAL int TLSX_CSR2_InitRequests(TLSX* extensions, DecodedCert* cert,
+ byte isPeer, void* heap);
+#endif
+WOLFSSL_LOCAL void* TLSX_CSR2_GetRequest(TLSX* extensions, byte status_type,
+ byte index);
+WOLFSSL_LOCAL int TLSX_CSR2_ForceRequest(WOLFSSL* ssl);
+
+#endif
+
+/** Supported Elliptic Curves - RFC 4492 (session 4) */
+#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,
+ void* heap);
+
+#ifndef NO_WOLFSSL_SERVER
+WOLFSSL_LOCAL int TLSX_ValidateEllipticCurves(WOLFSSL* ssl, byte first,
+ byte second);
+#endif
+
+#endif /* HAVE_SUPPORTED_CURVES */
+
+/** Renegotiation Indication - RFC 5746 */
+#if defined(HAVE_SECURE_RENEGOTIATION) \
+ || defined(HAVE_SERVER_RENEGOTIATION_INFO)
+
+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 Connection 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, void* heap);
+
+#ifdef HAVE_SERVER_RENEGOTIATION_INFO
+WOLFSSL_LOCAL int TLSX_AddEmptyRenegotiationInfo(TLSX** extensions, void* heap);
+#endif
+
+#endif /* HAVE_SECURE_RENEGOTIATION */
+
+/** Session Ticket - RFC 5077 (session 3.2) */
+#ifdef HAVE_SESSION_TICKET
+
+typedef struct SessionTicket {
+ word32 lifetime;
+#ifdef WOLFSSL_TLS13
+ word64 seen;
+ word32 ageAdd;
+#endif
+ byte* data;
+ word16 size;
+} SessionTicket;
+
+WOLFSSL_LOCAL int TLSX_UseSessionTicket(TLSX** extensions,
+ SessionTicket* ticket, void* heap);
+WOLFSSL_LOCAL SessionTicket* TLSX_SessionTicket_Create(word32 lifetime,
+ byte* data, word16 size, void* heap);
+WOLFSSL_LOCAL void TLSX_SessionTicket_Free(SessionTicket* ticket, void* heap);
+
+#endif /* HAVE_SESSION_TICKET */
+
+/** Quantum-Safe-Hybrid - draft-whyte-qsh-tls12-00 */
+#ifdef HAVE_QSH
+
+typedef struct QSHScheme {
+ struct QSHScheme* next; /* List Behavior */
+ byte* PK;
+ word16 name; /* QSHScheme Names */
+ word16 PKLen;
+} QSHScheme;
+
+typedef struct QSHkey {
+ struct QSHKey* next;
+ word16 name;
+ buffer pub;
+ buffer pri;
+} QSHKey;
+
+typedef struct QSHSecret {
+ QSHScheme* list;
+ buffer* SerSi;
+ buffer* CliSi;
+} QSHSecret;
+
+/* used in key exchange during handshake */
+WOLFSSL_LOCAL int TLSX_QSHCipher_Parse(WOLFSSL* ssl, const byte* input,
+ word16 length, byte isServer);
+WOLFSSL_LOCAL word16 TLSX_QSHPK_Write(QSHScheme* list, byte* output);
+WOLFSSL_LOCAL word16 TLSX_QSH_GetSize(QSHScheme* list, byte isRequest);
+
+/* used by api for setting a specific QSH scheme */
+WOLFSSL_LOCAL int TLSX_UseQSHScheme(TLSX** extensions, word16 name,
+ byte* pKey, word16 pKeySz, void* heap);
+
+/* used when parsing in QSHCipher structs */
+WOLFSSL_LOCAL int QSH_Decrypt(QSHKey* key, byte* in, word32 szIn,
+ byte* out, word16* szOut);
+#ifndef NO_WOLFSSL_SERVER
+WOLFSSL_LOCAL int TLSX_ValidateQSHScheme(TLSX** extensions, word16 name);
+#endif
+
+#endif /* HAVE_QSH */
+
+#ifdef WOLFSSL_TLS13
+/* Cookie extension information - cookie data. */
+typedef struct Cookie {
+ word16 len;
+ byte data;
+} Cookie;
+
+WOLFSSL_LOCAL int TLSX_Cookie_Use(WOLFSSL* ssl, byte* data, word16 len,
+ byte* mac, byte macSz, int resp);
+
+
+/* Key Share - TLS v1.3 Specification */
+
+/* The KeyShare extension information - entry in a linked list. */
+typedef struct KeyShareEntry {
+ word16 group; /* NamedGroup */
+ byte* ke; /* Key exchange data */
+ word32 keLen; /* Key exchange data length */
+ void* key; /* Private key */
+ word32 keyLen; /* Private key length */
+ struct KeyShareEntry* next; /* List pointer */
+} KeyShareEntry;
+
+WOLFSSL_LOCAL int TLSX_KeyShare_Use(WOLFSSL* ssl, word16 group, word16 len,
+ byte* data, KeyShareEntry **kse);
+WOLFSSL_LOCAL int TLSX_KeyShare_Empty(WOLFSSL* ssl);
+WOLFSSL_LOCAL int TLSX_KeyShare_Establish(WOLFSSL* ssl);
+
+
+#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
+/* The PreSharedKey extension information - entry in a linked list. */
+typedef struct PreSharedKey {
+ word16 identityLen; /* Length of identity */
+ byte* identity; /* PSK identity */
+ word32 ticketAge; /* Age of the ticket */
+ byte cipherSuite0; /* Cipher Suite */
+ byte cipherSuite; /* Cipher Suite */
+ word32 binderLen; /* Length of HMAC */
+ byte binder[MAX_DIGEST_SIZE]; /* HMAC of hanshake */
+ byte hmac; /* HMAC algorithm */
+ byte resumption:1; /* Resumption PSK */
+ byte chosen:1; /* Server's choice */
+ struct PreSharedKey* next; /* List pointer */
+} PreSharedKey;
+
+WOLFSSL_LOCAL word16 TLSX_PreSharedKey_WriteBinders(PreSharedKey* list,
+ byte* output, byte msgType);
+WOLFSSL_LOCAL word16 TLSX_PreSharedKey_GetSizeBinders(PreSharedKey* list,
+ byte msgType);
+WOLFSSL_LOCAL int TLSX_PreSharedKey_Use(WOLFSSL* ssl, byte* identity,
+ word16 len, word32 age, byte hmac,
+ byte cipherSuite0, byte cipherSuite,
+ byte resumption,
+ PreSharedKey **preSharedKey);
+
+/* The possible Pre-Shared Key key exchange modes. */
+enum PskKeyExchangeMode {
+ PSK_KE,
+ PSK_DHE_KE
+};
+
+/* User can define this. */
+#ifndef WOLFSSL_DEF_PSK_CIPHER
+#define WOLFSSL_DEF_PSK_CIPHER TLS_AES_128_GCM_SHA256
+#endif
+
+WOLFSSL_LOCAL int TLSX_PskKeModes_Use(WOLFSSL* ssl, byte modes);
+
+#ifdef WOLFSSL_EARLY_DATA
+WOLFSSL_LOCAL int TLSX_EarlyData_Use(WOLFSSL* ssl, word32 max);
+#endif
+#endif /* HAVE_SESSION_TICKET || !NO_PSK */
+
+
+/* The types of keys to derive for. */
+enum DeriveKeyType {
+ no_key,
+ early_data_key,
+ handshake_key,
+ traffic_key,
+ update_traffic_key
+};
+
+/* The key update request values for KeyUpdate message. */
+enum KeyUpdateRequest {
+ update_not_requested,
+ update_requested
+};
+#endif /* WOLFSSL_TLS13 */
+
+
+/* wolfSSL context type */
+struct WOLFSSL_CTX {
+ WOLFSSL_METHOD* method;
+#ifdef SINGLE_THREADED
+ WC_RNG* rng; /* to be shared with WOLFSSL w/o locking */
+#endif
+ wolfSSL_Mutex countMutex; /* reference count mutex */
+ int refCount; /* reference count */
+ int err; /* error code in case of mutex not created */
+#ifndef NO_DH
+ buffer serverDH_P;
+ buffer serverDH_G;
+#endif
+#ifndef NO_CERTS
+ DerBuffer* certificate;
+ DerBuffer* certChain;
+ /* chain after self, in DER, with leading size for each cert */
+ #ifdef OPENSSL_EXTRA
+ STACK_OF(WOLFSSL_X509_NAME)* ca_names;
+ #endif
+ #if defined(WOLFSSL_NGINX) || defined (WOLFSSL_HAPROXY)
+ STACK_OF(WOLFSSL_X509)* x509Chain;
+ #endif
+#ifdef WOLFSSL_TLS13
+ int certChainCnt;
+#endif
+ DerBuffer* privateKey;
+ byte privateKeyType;
+ int privateKeySz;
+ WOLFSSL_CERT_MANAGER* cm; /* our cert manager, ctx owns SSL will use */
+#endif
+#ifdef KEEP_OUR_CERT
+ WOLFSSL_X509* ourCert; /* keep alive a X509 struct of cert */
+ int ownOurCert; /* Dispose of certificate if we own */
+#endif
+ Suites* suites; /* make dynamic, user may not need/set */
+ void* heap; /* for user memory overrides */
+ byte verifyPeer;
+ byte verifyNone;
+ byte failNoCert;
+ byte failNoCertxPSK; /* fail if no cert with the exception of PSK*/
+ byte sessionCacheOff;
+ byte sessionCacheFlushOff;
+#ifdef HAVE_EXT_CACHE
+ byte internalCacheOff;
+#endif
+ byte sendVerify; /* for client side */
+ byte haveRSA; /* RSA available */
+ byte haveECC; /* ECC 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 */
+ byte haveEMS; /* have extended master secret extension */
+ byte useClientOrder:1; /* Use client's cipher preference order */
+#ifdef WOLFSSL_TLS13
+ byte noTicketTls13:1; /* Server won't create new Ticket */
+ byte noPskDheKe:1; /* Don't use (EC)DHE with PSK */
+#endif
+#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH)
+ byte postHandshakeAuth:1; /* Post-handshake auth supported. */
+#endif
+#ifdef WOLFSSL_MULTICAST
+ byte haveMcast; /* multicast requested */
+ byte mcastID; /* multicast group ID */
+#endif
+#if defined(WOLFSSL_SCTP) && defined(WOLFSSL_DTLS)
+ byte dtlsSctp; /* DTLS-over-SCTP mode */
+ word16 dtlsMtuSz; /* DTLS MTU size */
+#endif
+#ifndef NO_DH
+ word16 minDhKeySz; /* minimum DH key size */
+#endif
+#ifndef NO_RSA
+ short minRsaKeySz; /* minimum RSA key size */
+#endif
+#if defined(HAVE_ECC) || defined(HAVE_ED25519)
+ short minEccKeySz; /* minimum ECC key size */
+#endif
+#ifdef OPENSSL_EXTRA
+ word32 disabledCurves; /* curves disabled by user */
+ byte verifyDepth; /* maximum verification depth */
+ unsigned long mask; /* store SSL_OP_ flags */
+#endif
+ CallbackIORecv CBIORecv;
+ CallbackIOSend CBIOSend;
+#ifdef WOLFSSL_DTLS
+ CallbackGenCookie CBIOCookie; /* gen cookie callback */
+ wc_dtls_export dtls_export; /* export function for DTLS session */
+#ifdef WOLFSSL_SESSION_EXPORT
+ CallbackGetPeer CBGetPeer;
+ CallbackSetPeer CBSetPeer;
+#endif
+#endif /* WOLFSSL_DTLS */
+ VerifyCallback verifyCallback; /* cert verification callback */
+ word32 timeout; /* session timeout */
+#if defined(HAVE_ECC) || defined(HAVE_CURVE25519)
+ word32 ecdhCurveOID; /* curve Ecc_Sum */
+#endif
+#ifdef HAVE_ECC
+ word16 eccTempKeySz; /* in octets 20 - 66 */
+ word32 pkCurveOID; /* curve Ecc_Sum */
+#endif
+#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
+ byte havePSK; /* psk key set by user */
+ wc_psk_client_callback client_psk_cb; /* client callback */
+ wc_psk_server_callback server_psk_cb; /* server callback */
+ char server_hint[MAX_PSK_ID_LEN + NULL_TERM_LEN];
+#endif /* HAVE_SESSION_TICKET || !NO_PSK */
+#ifdef WOLFSSL_EARLY_DATA
+ word32 maxEarlyDataSz;
+#endif
+#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;
+ WOLFSSL_X509_STORE x509_store; /* points to ctx->cm */
+ byte readAhead;
+ void* userPRFArg; /* passed to prf callback */
+#endif /* OPENSSL_EXTRA */
+#ifdef HAVE_EX_DATA
+ void* ex_data[MAX_EX_DATA];
+#endif
+#if defined(HAVE_ALPN) && (defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY))
+ CallbackALPNSelect alpnSelect;
+ void* alpnSelectArg;
+#endif
+#if defined(HAVE_STUNNEL) || defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
+ CallbackSniRecv sniRecvCb;
+ void* sniRecvCbArg;
+#endif
+#if defined(WOLFSSL_MULTICAST) && defined(WOLFSSL_DTLS)
+ CallbackMcastHighwater mcastHwCb; /* Sequence number highwater callback */
+ word32 mcastFirstSeq; /* first trigger level */
+ word32 mcastSecondSeq; /* second tigger level */
+ word32 mcastMaxSeq; /* max level */
+#endif
+#ifdef HAVE_OCSP
+ WOLFSSL_OCSP ocsp;
+#endif
+ int devId; /* async device id to use */
+#ifdef HAVE_TLS_EXTENSIONS
+ TLSX* extensions; /* RFC 6066 TLS Extensions data */
+ #ifndef NO_WOLFSSL_SERVER
+ #if defined(HAVE_CERTIFICATE_STATUS_REQUEST) \
+ || defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
+ OcspRequest* certOcspRequest;
+ #endif
+ #if defined(HAVE_CERTIFICATE_STATUS_REQUEST_V2)
+ OcspRequest* chainOcspRequest[MAX_CHAIN_DEPTH];
+ #endif
+ #endif
+ #if defined(HAVE_SESSION_TICKET) && !defined(NO_WOLFSSL_SERVER)
+ SessionTicketEncCb ticketEncCb; /* enc/dec session ticket Cb */
+ void* ticketEncCtx; /* session encrypt context */
+ int ticketHint; /* ticket hint in seconds */
+ #endif
+ #ifdef HAVE_SUPPORTED_CURVES
+ byte userCurves; /* indicates user called wolfSSL_CTX_UseSupportedCurve */
+ #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 */
+ CallbackEccSharedSecret EccSharedSecretCb; /* User EccVerify Callback handler */
+ #ifdef HAVE_ED25519
+ /* User Ed25519Sign Callback handler */
+ CallbackEd25519Sign Ed25519SignCb;
+ /* User Ed25519Verify Callback handler */
+ CallbackEd25519Verify Ed25519VerifyCb;
+ #endif
+ #ifdef HAVE_CURVE25519
+ /* User EccSharedSecret Callback handler */
+ CallbackX25519SharedSecret X25519SharedSecretCb;
+ #endif
+ #endif /* HAVE_ECC */
+ #ifndef NO_RSA
+ CallbackRsaSign RsaSignCb; /* User RsaSign Callback handler */
+ CallbackRsaVerify RsaVerifyCb; /* User RsaVerify Callback handler */
+ #ifdef WC_RSA_PSS
+ CallbackRsaPssSign RsaPssSignCb; /* User RsaPssSign */
+ CallbackRsaPssVerify RsaPssVerifyCb; /* User RsaPssVerify */
+ #endif
+ CallbackRsaEnc RsaEncCb; /* User Rsa Public Encrypt handler */
+ CallbackRsaDec RsaDecCb; /* User Rsa Private Decrypt handler */
+ #endif /* NO_RSA */
+#endif /* HAVE_PK_CALLBACKS */
+#ifdef HAVE_WOLF_EVENT
+ WOLF_EVENT_QUEUE event_queue;
+#endif /* HAVE_WOLF_EVENT */
+#ifdef HAVE_EXT_CACHE
+ WOLFSSL_SESSION*(*get_sess_cb)(WOLFSSL*, unsigned char*, int, int*);
+ int (*new_sess_cb)(WOLFSSL*, WOLFSSL_SESSION*);
+ void (*rem_sess_cb)(WOLFSSL_CTX*, WOLFSSL_SESSION*);
+#endif
+};
+
+
+WOLFSSL_LOCAL
+WOLFSSL_CTX* wolfSSL_CTX_new_ex(WOLFSSL_METHOD* method, void* heap);
+WOLFSSL_LOCAL
+int InitSSL_Ctx(WOLFSSL_CTX*, WOLFSSL_METHOD*, void* heap);
+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* cm, DerBuffer** pDer, int type, int verify);
+ WOLFSSL_LOCAL
+ int AlreadySigner(WOLFSSL_CERT_MANAGER* cm, byte* hash);
+#ifdef WOLFSSL_TRUST_PEER_CERT
+ WOLFSSL_LOCAL
+ int AddTrustedPeer(WOLFSSL_CERT_MANAGER* cm, DerBuffer** pDer, int verify);
+ WOLFSSL_LOCAL
+ int AlreadyTrustedPeer(WOLFSSL_CERT_MANAGER* cm, byte* hash);
+#endif
+#endif
+
+/* All cipher suite related info
+ * Keep as a constant size (no ifdefs) for session export */
+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,
+ ecdhe_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 = 0,
+ rsa_sa_algo = 1,
+ dsa_sa_algo = 2,
+ ecc_dsa_sa_algo = 3,
+ rsa_pss_sa_algo = 8,
+ ed25519_sa_algo = 9
+};
+
+
+/* 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;
+ #if defined(BUILD_AESGCM) || defined(HAVE_AESCCM)
+ byte* additional;
+ byte* nonce;
+ #endif
+#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
+#ifdef HAVE_IDEA
+ Idea* idea;
+#endif
+ byte state;
+ 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 {
+ #if !defined(NO_MD5) && !defined(NO_OLD_TLS)
+ byte md5[MD5_DIGEST_SIZE];
+ #endif
+ #if !defined(NO_SHA)
+ byte sha[SHA_DIGEST_SIZE];
+ #endif
+ #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;
+
+WOLFSSL_LOCAL int BuildCertHashes(WOLFSSL* ssl, Hashes* hashes);
+
+#ifdef WOLFSSL_TLS13
+typedef union Digest {
+#ifndef NO_WOLFSSL_SHA256
+ Sha256 sha256;
+#endif
+#ifdef WOLFSSL_SHA384
+ Sha384 sha384;
+#endif
+#ifdef WOLFSSL_SHA512
+ Sha512 sha512;
+#endif
+} Digest;
+#endif
+
+/* 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 */
+ word16 haveEMS; /* ext master secret flag */
+#ifdef SESSION_CERTS
+ WOLFSSL_X509_CHAIN chain; /* peer cert chain, static */
+#endif
+#if defined(SESSION_CERTS) || (defined(WOLFSSL_TLS13) && \
+ defined(HAVE_SESSION_TICKET))
+ 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
+#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
+ #ifdef WOLFSSL_TLS13
+ byte namedGroup;
+ word32 ticketSeen; /* Time ticket seen (ms) */
+ word32 ticketAdd; /* Added by client */
+ #endif
+ #ifdef WOLFSSL_EARLY_DATA
+ word32 maxEarlyDataSz;
+ #endif
+ byte* ticket;
+ word16 ticketLen;
+ byte staticTicket[SESSION_TICKET_LEN];
+ byte isDynamic;
+#endif
+#ifdef HAVE_EXT_CACHE
+ byte isAlloced;
+#endif
+#ifdef HAVE_EX_DATA
+ void* ex_data[MAX_EX_DATA];
+#endif
+};
+
+
+WOLFSSL_LOCAL
+WOLFSSL_SESSION* GetSession(WOLFSSL*, byte*, 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,
+ ACCEPT_HELLO_RETRY_REQUEST_DONE,
+ ACCEPT_FIRST_REPLY_DONE,
+ SERVER_HELLO_SENT,
+ SERVER_EXTENSIONS_SENT,
+ CERT_SENT,
+ CERT_VERIFY_SENT,
+ CERT_STATUS_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
+};
+
+/* buffers for struct WOLFSSL */
+typedef struct Buffers {
+ bufferStatic inputBuffer;
+ bufferStatic outputBuffer;
+ buffer domainName; /* for client check */
+ buffer clearOutputBuffer;
+ buffer sig; /* signature data */
+ buffer digest; /* digest data */
+ 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;
+ DhKey* serverDH_Key;
+#endif
+#ifndef NO_CERTS
+ DerBuffer* certificate; /* WOLFSSL_CTX owns, unless we own */
+ DerBuffer* key; /* WOLFSSL_CTX owns, unless we own */
+ byte keyType; /* Type of key: RSA, ECC, Ed25519 */
+ int keySz; /* Size of RSA key */
+ DerBuffer* certChain; /* WOLFSSL_CTX owns, unless we own */
+ /* chain after self, in DER, with leading size for each cert */
+#ifdef WOLFSSL_TLS13
+ int certChainCnt;
+#endif
+#endif
+#ifdef WOLFSSL_SEND_HRR_COOKIE
+ buffer tls13CookieSecret; /* HRR cookie secret */
+#endif
+#ifdef WOLFSSL_DTLS
+ WOLFSSL_DTLS_CTX dtlsCtx; /* DTLS connection context */
+ #ifndef NO_WOLFSSL_SERVER
+ buffer dtlsCookieSecret; /* DTLS cookie secret */
+ #endif /* NO_WOLFSSL_SERVER */
+#endif
+#ifdef HAVE_PK_CALLBACKS
+ #ifdef HAVE_ECC
+ buffer peerEccDsaKey; /* we own for Ecc Verify Callbacks */
+ #endif /* HAVE_ECC */
+ #ifdef HAVE_ED25519
+ buffer peerEd25519Key; /* for Ed25519 Verify Callbacks */
+ #endif /* HAVE_ED25519 */
+ #ifndef NO_RSA
+ buffer peerRsaKey; /* we own for Rsa Verify Callbacks */
+ #endif /* NO_RSA */
+#endif /* HAVE_PK_CALLBACKS */
+} Buffers;
+
+/* sub-states for send/do key share (key exchange) */
+enum asyncState {
+ TLS_ASYNC_BEGIN = 0,
+ TLS_ASYNC_BUILD,
+ TLS_ASYNC_DO,
+ TLS_ASYNC_VERIFY,
+ TLS_ASYNC_FINALIZE,
+ TLS_ASYNC_END
+};
+
+/* sub-states for build message */
+enum buildMsgState {
+ BUILD_MSG_BEGIN = 0,
+ BUILD_MSG_SIZE,
+ BUILD_MSG_HASH,
+ BUILD_MSG_VERIFY_MAC,
+ BUILD_MSG_ENCRYPT,
+};
+
+/* sub-states for cipher operations */
+enum cipherState {
+ CIPHER_STATE_BEGIN = 0,
+ CIPHER_STATE_DO,
+ CIPHER_STATE_END,
+};
+
+typedef struct Options {
+#ifndef NO_PSK
+ wc_psk_client_callback client_psk_cb;
+ wc_psk_server_callback server_psk_cb;
+#endif /* NO_PSK */
+#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
+ word16 havePSK:1; /* psk key set by user */
+#endif /* HAVE_SESSION_TICKET || !NO_PSK */
+#ifdef OPENSSL_EXTRA
+ unsigned long mask; /* store SSL_OP_ flags */
+#endif
+
+ /* on/off or small bit flags, optimize layout */
+ word16 sendVerify:2; /* false = 0, true = 1, sendBlank = 2 */
+ word16 sessionCacheOff:1;
+ word16 sessionCacheFlushOff:1;
+#ifdef HAVE_EXT_CACHE
+ word16 internalCacheOff:1;
+#endif
+ word16 side:1; /* client or server end */
+ word16 verifyPeer:1;
+ word16 verifyNone:1;
+ word16 failNoCert:1;
+ word16 failNoCertxPSK:1; /* fail for no cert except with PSK */
+ 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 tls1_3:1; /* using TLSv1.3+ ? */
+ 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 received 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 haveECC:1; /* ECC available */
+ word16 haveDH:1; /* server DH parms set by user */
+ word16 haveNTRU:1; /* server NTRU private key loaded */
+ word16 haveQSH:1; /* have QSH ability */
+ 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 noPskDheKe:1; /* Don't use (EC)DHE with PSK */
+ 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 */
+ word16 weOwnRng:1; /* will be true unless CTX owns */
+ word16 haveEMS:1; /* using extended master secret */
+#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 */
+ word16 rejectTicket:1; /* Callback rejected ticket */
+#ifdef WOLFSSL_TLS13
+ word16 noTicketTls13:1; /* Server won't create new Ticket */
+#endif
+#endif
+#ifdef WOLFSSL_DTLS
+ word16 dtlsHsRetain:1; /* DTLS retaining HS data */
+ word16 haveMcast:1; /* using multicast ? */
+#ifdef WOLFSSL_SCTP
+ word16 dtlsSctp:1; /* DTLS-over-SCTP mode */
+#endif
+#endif
+#if defined(HAVE_TLS_EXTENSIONS) && defined(HAVE_SUPPORTED_CURVES)
+ word16 userCurves:1; /* indicates user called wolfSSL_UseSupportedCurve */
+#endif
+ word16 keepResources:1; /* Keep resources after handshake */
+ word16 useClientOrder:1; /* Use client's cipher order */
+#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH)
+ word16 postHandshakeAuth:1;/* Client send post_handshake_auth
+ * extendion. */
+#endif
+#if defined(WOLFSSL_TLS13) && !defined(NO_WOLFSSL_SERVER)
+ word16 sendCookie:1; /* Server creates a Cookie in HRR */
+#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 */
+ byte asyncState; /* sub-state for enum asyncState */
+ byte buildMsgState; /* sub-state for enum buildMsgState */
+ byte alertCount; /* detect warning dos attempt */
+#ifdef WOLFSSL_MULTICAST
+ word16 mcastID; /* Multicast group ID */
+#endif
+#ifndef NO_DH
+ word16 minDhKeySz; /* minimum DH key size */
+ word16 dhKeySz; /* actual DH key size */
+#endif
+#ifndef NO_RSA
+ short minRsaKeySz; /* minimum RSA key size */
+#endif
+#if defined(HAVE_ECC) || defined(HAVE_ED25519)
+ short minEccKeySz; /* minimum ECC key size */
+#endif
+#ifdef OPENSSL_EXTRA
+ byte verifyDepth; /* maximum verification depth */
+#endif
+#ifdef WOLFSSL_EARLY_DATA
+ word32 maxEarlyDataSz;
+#endif
+
+} Options;
+
+typedef struct Arrays {
+ byte* pendingMsg; /* defrag buffer */
+ byte* preMasterSecret;
+ word32 preMasterSz; /* differs for DH, actual size */
+ word32 pendingMsgSz; /* defrag buffer size */
+ word32 pendingMsgOffset; /* current offset into defrag buffer */
+#if defined(HAVE_SESSION_TICKET) || !defined(NO_PSK)
+ word32 psk_keySz; /* actual size */
+ char client_identity[MAX_PSK_ID_LEN + NULL_TERM_LEN];
+ char server_hint[MAX_PSK_ID_LEN + NULL_TERM_LEN];
+ byte psk_key[MAX_PSK_KEY_LEN];
+#endif
+ byte clientRandom[RAN_LEN];
+ byte serverRandom[RAN_LEN];
+ byte sessionID[ID_LEN];
+ byte sessionIDSz;
+#ifdef WOLFSSL_TLS13
+ byte clientSecret[SECRET_LEN];
+ byte serverSecret[SECRET_LEN];
+ byte secret[SECRET_LEN];
+#endif
+ byte masterSecret[SECRET_LEN];
+#ifdef WOLFSSL_DTLS
+ byte cookie[MAX_COOKIE_LEN];
+ byte cookieSz;
+#endif
+ byte pendingMsgType; /* defrag buffer message type */
+} Arrays;
+
+#ifndef ASN_NAME_MAX
+#define ASN_NAME_MAX 256
+#endif
+
+#ifndef MAX_DATE_SZ
+#define MAX_DATE_SZ 32
+#endif
+
+struct WOLFSSL_STACK {
+ unsigned long num; /* number of nodes in stack
+ * (saftey measure for freeing and shortcut for count) */
+ union {
+ WOLFSSL_X509* x509;
+ WOLFSSL_X509_NAME* name;
+ WOLFSSL_BIO* bio;
+ WOLFSSL_ASN1_OBJECT* obj;
+ char* string;
+ } data;
+ WOLFSSL_STACK* next;
+};
+
+
+struct WOLFSSL_X509_NAME {
+ char *name;
+ char staticName[ASN_NAME_MAX];
+ int dynamicName;
+ int sz;
+#if defined(OPENSSL_EXTRA) && !defined(NO_ASN)
+ DecodedName fullName;
+ WOLFSSL_X509_NAME_ENTRY cnEntry;
+ WOLFSSL_X509* x509; /* x509 that struct belongs to */
+#endif /* OPENSSL_EXTRA */
+#ifdef WOLFSSL_NGINX
+ byte raw[ASN_NAME_MAX];
+ int rawLen;
+#endif
+};
+
+#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 */
+ #ifndef NO_CERTS
+ DerBuffer* derCert; /* may need */
+ #endif
+ DNS_entry* altNames; /* alt names list */
+ DNS_entry* altNamesNext; /* hint for retrieval */
+ void* heap; /* heap hint */
+ byte dynamicMemory; /* dynamic memory flag */
+ byte isCa;
+#ifdef WOLFSSL_CERT_EXT
+ char certPolicies[MAX_CERTPOL_NB][MAX_CERTPOL_SZ];
+ int certPoliciesNb;
+#endif /* WOLFSSL_CERT_EXT */
+#ifdef OPENSSL_EXTRA
+#ifdef HAVE_EX_DATA
+ void* ex_data[MAX_EX_DATA];
+#endif
+ word32 pathLength;
+ word16 keyUsage;
+ byte CRLdistSet;
+ byte CRLdistCrit;
+ byte* CRLInfo;
+ int CRLInfoSz;
+ byte authInfoSet;
+ byte authInfoCrit;
+ byte* authInfo;
+ int authInfoSz;
+ 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;
+ byte extKeyUsageCrit;
+ byte* extKeyUsageSrc;
+ word32 extKeyUsageSz;
+ word32 extKeyUsageCount;
+#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 sequence_number[8]; /* per record */
+ byte length[2];
+} DtlsRecordLayerHeader;
+
+
+typedef struct DtlsFrag {
+ word32 begin;
+ word32 end;
+ struct DtlsFrag* next;
+} DtlsFrag;
+
+
+typedef struct DtlsMsg {
+ struct DtlsMsg* next;
+ byte* buf;
+ byte* msg;
+ DtlsFrag* fragList;
+ word32 fragSz; /* Length of fragments received */
+ word32 seq; /* Handshake sequence number */
+ word32 sz; /* Length of whole mesage */
+ byte type;
+} 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 received from peer (plus change cipher */
+typedef struct MsgsReceived {
+ word16 got_hello_request:1;
+ word16 got_client_hello:2;
+ word16 got_server_hello:1;
+ word16 got_hello_verify_request:1;
+ word16 got_session_ticket:1;
+ word16 got_end_of_early_data:1;
+ word16 got_hello_retry_request:1;
+ word16 got_encrypted_extensions:1;
+ word16 got_certificate:1;
+ word16 got_certificate_status: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_key_update:1;
+ word16 got_change_cipher:1;
+} MsgsReceived;
+
+
+/* Handshake hashes */
+typedef struct HS_Hashes {
+ Hashes verifyHashes;
+ Hashes certHashes; /* for cert verify */
+#ifndef NO_SHA
+ Sha hashSha; /* sha hash of handshake msgs */
+#endif
+#if !defined(NO_MD5) && !defined(NO_OLD_TLS)
+ Md5 hashMd5; /* md5 hash of handshake msgs */
+#endif
+#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;
+
+
+#ifdef WOLFSSL_ASYNC_CRYPT
+ #define MAX_ASYNC_ARGS 18
+ typedef void (*FreeArgsCb)(struct WOLFSSL* ssl, void* pArgs);
+
+ struct WOLFSSL_ASYNC {
+ WC_ASYNC_DEV* dev;
+ FreeArgsCb freeArgs; /* function pointer to cleanup args */
+ word32 args[MAX_ASYNC_ARGS]; /* holder for current args */
+ };
+#endif
+
+#ifdef HAVE_WRITE_DUP
+
+ #define WRITE_DUP_SIDE 1
+ #define READ_DUP_SIDE 2
+
+ typedef struct WriteDup {
+ wolfSSL_Mutex dupMutex; /* reference count mutex */
+ int dupCount; /* reference count */
+ int dupErr; /* under dupMutex, pass to other side */
+ } WriteDup;
+
+ WOLFSSL_LOCAL void FreeWriteDup(WOLFSSL* ssl);
+ WOLFSSL_LOCAL int NotifyWriteSide(WOLFSSL* ssl, int err);
+#endif /* HAVE_WRITE_DUP */
+
+#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH)
+typedef struct CertReqCtx CertReqCtx;
+
+struct CertReqCtx {
+ CertReqCtx* next;
+ byte len;
+ byte ctx;
+};
+#endif
+
+/* 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;
+ WC_RNG* rng;
+ void* verifyCbCtx; /* cert verify callback user ctx*/
+ VerifyCallback verifyCallback; /* cert verification callback */
+ void* heap; /* for user overrides */
+#ifdef HAVE_WRITE_DUP
+ WriteDup* dupWrite; /* valid pointer indicates ON */
+ /* side that decrements dupCount to zero frees overall structure */
+ byte dupSide; /* write side or read side */
+#endif
+#ifdef WOLFSSL_STATIC_MEMORY
+ WOLFSSL_HEAP_HINT heap_hint;
+#endif
+#ifndef NO_HANDSHAKE_DONE_CB
+ HandShakeDoneCb hsDoneCb; /* notify user handshake done */
+ void* hsDoneCtx; /* user handshake cb context */
+#endif
+#ifdef WOLFSSL_ASYNC_CRYPT
+ struct WOLFSSL_ASYNC async;
+#endif
+ void* hsKey; /* Handshake key (RsaKey or ecc_key) allocated from heap */
+ word32 hsType; /* Type of Handshake key (hsKey) */
+ WOLFSSL_CIPHER cipher;
+ hmacfp hmac;
+ Ciphers encrypt;
+ Ciphers decrypt;
+ Buffers buffers;
+ WOLFSSL_SESSION session;
+#ifdef HAVE_EXT_CACHE
+ WOLFSSL_SESSION* extSession;
+#endif
+ 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 */
+ word32 fragOffset; /* fragment offset */
+ 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 */
+ unsigned long peerVerifyRet;
+ byte readAhead;
+#ifdef HAVE_PK_CALLBACKS
+ void* loggingCtx; /* logging callback argument */
+#endif
+#endif
+#ifndef NO_RSA
+ RsaKey* peerRsaKey;
+ byte peerRsaKeyPresent;
+#endif
+#ifdef HAVE_QSH
+ QSHKey* QSH_Key;
+ QSHKey* peerQSHKey;
+ QSHSecret* QSH_secret;
+ byte isQSH; /* is the handshake a QSH? */
+ byte sendQSHKeys; /* flag for if the client should sen
+ public keys */
+ byte peerQSHKeyPresent;
+ byte minRequest;
+ byte maxRequest;
+ byte user_set_QSHSchemes;
+#endif
+#ifdef WOLFSSL_TLS13
+ word16 namedGroup;
+#endif
+ byte pssAlgo;
+#ifdef HAVE_NTRU
+ word16 peerNtruKeyLen;
+ byte peerNtruKey[MAX_NTRU_PUB_KEY_SZ];
+ byte peerNtruKeyPresent;
+#endif
+#if defined(HAVE_ECC) || defined(HAVE_ED25519)
+ int eccVerifyRes;
+#endif
+#if defined(HAVE_ECC) || defined(HAVE_CURVE25519)
+ word32 ecdhCurveOID; /* curve Ecc_Sum */
+ ecc_key* eccTempKey; /* private ECDHE key */
+ byte eccTempKeyPresent;
+ byte peerEccKeyPresent;
+#endif
+#ifdef HAVE_ECC
+ ecc_key* peerEccKey; /* peer's ECDHE key */
+ ecc_key* peerEccDsaKey; /* peer's ECDSA key */
+ word32 pkCurveOID; /* curve Ecc_Sum */
+ word16 eccTempKeySz; /* in octets 20 - 66 */
+ byte peerEccDsaKeyPresent;
+#endif
+#ifdef HAVE_ED25519
+ ed25519_key* peerEd25519Key;
+ byte peerEd25519KeyPresent;
+#endif
+#ifdef HAVE_CURVE25519
+ curve25519_key* peerX25519Key;
+ byte peerX25519KeyPresent;
+#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 value */
+ int dtls_timeout_max; /* maximum timeout value */
+ int dtls_timeout; /* current timeout value, changes */
+ word32 dtls_tx_msg_list_sz;
+ word32 dtls_rx_msg_list_sz;
+ DtlsMsg* dtls_tx_msg_list;
+ DtlsMsg* dtls_rx_msg_list;
+ void* IOCB_CookieCtx; /* gen cookie ctx */
+ word32 dtls_expected_rx;
+ wc_dtls_export dtls_export; /* export function for session */
+#ifdef WOLFSSL_SCTP
+ word16 dtlsMtuSz;
+#endif /* WOLFSSL_SCTP */
+#ifdef WOLFSSL_MULTICAST
+ void* mcastHwCbCtx; /* Multicast highwater callback ctx */
+#endif /* WOLFSSL_MULTICAST */
+#ifdef WOLFSSL_DTLS_DROP_STATS
+ word32 macDropCount;
+ word32 replayDropCount;
+#endif /* WOLFSSL_DTLS_DROP_STATS */
+#endif /* WOLFSSL_DTLS */
+#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
+#if defined(WOLFSSL_TLS13) && defined(WOLFSSL_POST_HANDSHAKE_AUTH)
+ CertReqCtx* certReqCtx;
+#endif
+#ifdef KEEP_PEER_CERT
+ WOLFSSL_X509 peerCert; /* X509 peer cert */
+#endif
+#ifdef KEEP_OUR_CERT
+ WOLFSSL_X509* ourCert; /* keep alive a X509 struct of cert.
+ points to ctx if not owned (owned
+ flag found in buffers.weOwnCert) */
+#endif
+ byte keepCert; /* keep certificate after handshake */
+#if defined(HAVE_EX_DATA) || defined(FORTRESS)
+ void* ex_data[MAX_EX_DATA]; /* external data, for Fortress */
+#endif
+ int devId; /* async device id to use */
+#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_CERTIFICATE_STATUS_REQUEST
+ byte status_request;
+ #endif
+ #ifdef HAVE_CERTIFICATE_STATUS_REQUEST_V2
+ byte status_request_v2;
+ #endif
+ #if defined(HAVE_SECURE_RENEGOTIATION) \
+ || defined(HAVE_SERVER_RENEGOTIATION_INFO)
+ SecureRenegotiation* secure_renegotiation; /* valid pointer indicates */
+ #endif /* user turned on */
+ #ifdef HAVE_ALPN
+ char* alpn_client_list; /* keep the client's list */
+ #if defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
+ CallbackALPNSelect alpnSelect;
+ void* alpnSelectArg;
+ #endif
+ #endif /* of accepted protocols */
+ #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 OPENSSL_EXTRA
+ byte* ocspResp;
+ int ocspRespSz;
+#if defined(WOLFSSL_NGINX) || defined(WOLFSSL_HAPROXY)
+ char* url;
+#endif
+#endif
+#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 */
+ void* EccSharedSecretCtx; /* Ecc Pms Callback Context */
+ #ifdef HAVE_ED25519
+ void* Ed25519SignCtx; /* ED25519 Sign Callback Context */
+ void* Ed25519VerifyCtx; /* ED25519 Verify Callback Context */
+ #endif
+ #ifdef HAVE_CURVE25519
+ void* X25519SharedSecretCtx; /* X25519 Pms Callback Context */
+ #endif
+ #endif /* HAVE_ECC */
+ #ifndef NO_RSA
+ void* RsaSignCtx; /* Rsa Sign Callback Context */
+ void* RsaVerifyCtx; /* Rsa Verify Callback Context */
+ #ifdef WC_RSA_PSS
+ void* RsaPssSignCtx; /* Rsa PSS Sign Callback Context */
+ void* RsaPssVerifyCtx; /* Rsa PSS Verify Callback Context */
+ #endif
+ 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 */
+#ifdef WOLFSSL_JNI
+ void* jObjectRef; /* reference to WolfSSLSession in JNI wrapper */
+#endif /* WOLFSSL_JNI */
+#ifdef WOLFSSL_EARLY_DATA
+ int earlyData;
+ word32 earlyDataSz;
+#endif
+};
+
+
+WOLFSSL_LOCAL
+int SetSSL_CTX(WOLFSSL*, WOLFSSL_CTX*, int);
+WOLFSSL_LOCAL
+int InitSSL(WOLFSSL*, WOLFSSL_CTX*, int);
+WOLFSSL_LOCAL
+void FreeSSL(WOLFSSL*, void* heap);
+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 AllocDer(DerBuffer** der, word32 length, int type, void* heap);
+ WOLFSSL_LOCAL void FreeDer(DerBuffer** der);
+
+ WOLFSSL_LOCAL int PemToDer(const unsigned char* buff, long sz, int type,
+ DerBuffer** pDer, void* heap, EncryptedInfo* info,
+ int* eccKey);
+
+ WOLFSSL_LOCAL int ProcessBuffer(WOLFSSL_CTX* ctx, const unsigned char* buff,
+ long sz, int format, int type, WOLFSSL* ssl,
+ long* used, int userChain);
+ WOLFSSL_LOCAL int ProcessFile(WOLFSSL_CTX* ctx, const char* fname, int format,
+ int type, WOLFSSL* ssl, int userChain,
+ WOLFSSL_CRL* crl);
+
+ #ifdef OPENSSL_EXTRA
+ WOLFSSL_LOCAL int CheckHostName(DecodedCert* dCert, char *domainName,
+ size_t domainNameLen);
+ #endif
+#endif
+
+
+#ifdef WOLFSSL_CALLBACKS
+ WOLFSSL_LOCAL
+ void InitHandShakeInfo(HandShakeInfo*, WOLFSSL*);
+ WOLFSSL_LOCAL
+ void FinishHandShakeInfo(HandShakeInfo*);
+ 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, retransmit gets same # */
+ word24 fragment_offset; /* bytes in previous fragments */
+ word24 fragment_length; /* length of this fragment */
+} DtlsHandShakeHeader;
+
+
+enum HandShakeType {
+ hello_request = 0,
+ client_hello = 1,
+ server_hello = 2,
+ hello_verify_request = 3, /* DTLS addition */
+ session_ticket = 4,
+ end_of_early_data = 5,
+ hello_retry_request = 6,
+ encrypted_extensions = 8,
+ 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,
+ key_update = 24,
+ change_cipher_hs = 55, /* simulate unique handshake type for sanity
+ checks. record layer change_cipher
+ conflicts with handshake finished */
+ message_hash = 254, /* synthetic message type for TLS v1.3 */
+ no_shake = 255 /* used to initialize the DtlsMsg record */
+};
+
+enum ProvisionSide {
+ PROVISION_CLIENT = 1,
+ PROVISION_SERVER = 2,
+ PROVISION_CLIENT_SERVER = 3
+};
+
+
+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);
+#ifdef WOLFSSL_TLS13
+WOLFSSL_LOCAL int SendTls13HelloRetryRequest(WOLFSSL*);
+#endif
+WOLFSSL_LOCAL int SendCertificate(WOLFSSL*);
+WOLFSSL_LOCAL int SendCertificateRequest(WOLFSSL*);
+WOLFSSL_LOCAL int SendCertificateStatus(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, int side);
+
+WOLFSSL_LOCAL int IsTLS(const WOLFSSL* ssl);
+WOLFSSL_LOCAL int IsAtLeastTLSv1_2(const WOLFSSL* ssl);
+WOLFSSL_LOCAL int IsAtLeastTLSv1_3(const ProtocolVersion pv);
+
+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);
+
+WOLFSSL_LOCAL int SetTicket(WOLFSSL*, const byte*, word32);
+
+#ifndef NO_CERTS
+ #ifndef NO_RSA
+ #ifdef WC_RSA_PSS
+ WOLFSSL_LOCAL int CheckRsaPssPadding(const byte* plain, word32 plainSz,
+ byte* out, word32 sigSz,
+ enum wc_HashType hashType);
+ WOLFSSL_LOCAL int ConvertHashPss(int hashAlgo, enum wc_HashType* hashType, int* mgf);
+ #endif
+ WOLFSSL_LOCAL int VerifyRsaSign(WOLFSSL* ssl,
+ byte* verifySig, word32 sigSz,
+ const byte* plain, word32 plainSz,
+ int sigAlgo, int hashAlgo,
+ RsaKey* key);
+ WOLFSSL_LOCAL int RsaSign(WOLFSSL* ssl, const byte* in, word32 inSz,
+ byte* out, word32* outSz, int sigAlgo, int hashAlgo, RsaKey* key,
+ const byte* keyBuf, word32 keySz, void* ctx);
+ WOLFSSL_LOCAL int RsaVerify(WOLFSSL* ssl, byte* in, word32 inSz,
+ byte** out, int sigAlgo, int hashAlgo, RsaKey* key,
+ const byte* keyBuf, word32 keySz, void* ctx);
+ WOLFSSL_LOCAL int RsaDec(WOLFSSL* ssl, byte* in, word32 inSz, byte** out,
+ word32* outSz, RsaKey* key, const byte* keyBuf, word32 keySz, void* ctx);
+ WOLFSSL_LOCAL int RsaEnc(WOLFSSL* ssl, const byte* in, word32 inSz, byte* out,
+ word32* outSz, RsaKey* key, const byte* keyBuf, word32 keySz, void* ctx);
+ #endif /* !NO_RSA */
+
+ #ifdef HAVE_ECC
+ WOLFSSL_LOCAL int EccSign(WOLFSSL* ssl, const byte* in, word32 inSz,
+ byte* out, word32* outSz, ecc_key* key, byte* keyBuf, word32 keySz,
+ void* ctx);
+ WOLFSSL_LOCAL int EccVerify(WOLFSSL* ssl, const byte* in, word32 inSz,
+ const byte* out, word32 outSz, ecc_key* key, byte* keyBuf, word32 keySz,
+ void* ctx);
+ WOLFSSL_LOCAL int EccSharedSecret(WOLFSSL* ssl, ecc_key* priv_key,
+ ecc_key* pub_key, byte* pubKeyDer, word32* pubKeySz, byte* out,
+ word32* outlen, int side, void* ctx);
+ #endif /* HAVE_ECC */
+ #ifdef HAVE_ED25519
+ WOLFSSL_LOCAL int Ed25519Sign(WOLFSSL* ssl, const byte* in, word32 inSz,
+ byte* out, word32* outSz, ed25519_key* key, byte* keyBuf,
+ word32 keySz, void* ctx);
+ WOLFSSL_LOCAL int Ed25519Verify(WOLFSSL* ssl, const byte* in,
+ word32 inSz, const byte* msg, word32 msgSz, ed25519_key* key,
+ byte* keyBuf, word32 keySz, void* ctx);
+ #endif /* HAVE_ED25519 */
+
+
+ #ifdef WOLFSSL_TRUST_PEER_CERT
+
+ /* options for searching hash table for a matching trusted peer cert */
+ #define WC_MATCH_SKID 0
+ #define WC_MATCH_NAME 1
+
+ WOLFSSL_LOCAL TrustedPeerCert* GetTrustedPeer(void* vp, byte* hash,
+ int type);
+ WOLFSSL_LOCAL int MatchTrustedPeer(TrustedPeerCert* tp,
+ DecodedCert* cert);
+ #endif
+
+ WOLFSSL_LOCAL Signer* GetCA(void* cm, byte* hash);
+ #ifndef NO_SKID
+ WOLFSSL_LOCAL Signer* GetCAByName(void* cm, byte* hash);
+ #endif
+#endif /* !NO_CERTS */
+WOLFSSL_LOCAL int BuildTlsHandshakeHash(WOLFSSL* ssl, byte* hash,
+ word32* hashLen);
+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*);
+ #ifdef WOLFSSL_TLS13
+ WOLFSSL_LOCAL int SendTls13ClientHello(WOLFSSL*);
+ #endif
+ 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*);
+#endif /* NO_WOLFSSL_SERVER */
+
+#ifdef WOLFSSL_DTLS
+ WOLFSSL_LOCAL DtlsMsg* DtlsMsgNew(word32, void*);
+ WOLFSSL_LOCAL void DtlsMsgDelete(DtlsMsg*, void*);
+ WOLFSSL_LOCAL void DtlsMsgListDelete(DtlsMsg*, void*);
+ WOLFSSL_LOCAL int DtlsMsgSet(DtlsMsg*, word32, const byte*, byte,
+ word32, word32, void*);
+ WOLFSSL_LOCAL DtlsMsg* DtlsMsgFind(DtlsMsg*, word32);
+ WOLFSSL_LOCAL void DtlsMsgStore(WOLFSSL*, word32, const byte*, word32,
+ byte, word32, word32, void*);
+ WOLFSSL_LOCAL DtlsMsg* DtlsMsgInsert(DtlsMsg*, DtlsMsg*);
+
+ WOLFSSL_LOCAL int DtlsMsgPoolSave(WOLFSSL*, const byte*, word32);
+ WOLFSSL_LOCAL int DtlsMsgPoolTimeout(WOLFSSL*);
+ WOLFSSL_LOCAL int VerifyForDtlsMsgPoolSend(WOLFSSL*, byte, word32);
+ WOLFSSL_LOCAL void DtlsMsgPoolReset(WOLFSSL*);
+ WOLFSSL_LOCAL int DtlsMsgPoolSend(WOLFSSL*, int);
+#endif /* WOLFSSL_DTLS */
+
+#ifndef NO_TLS
+
+
+#endif /* NO_TLS */
+
+#if defined(WOLFSSL_TLS13) && (defined(HAVE_SESSION_TICKET) || !defined(NO_PSK))
+ WOLFSSL_LOCAL word32 TimeNowInMilliseconds(void);
+#endif
+WOLFSSL_LOCAL word32 LowResTimer(void);
+
+#ifndef NO_CERTS
+ WOLFSSL_LOCAL void InitX509Name(WOLFSSL_X509_NAME*, int);
+ WOLFSSL_LOCAL void FreeX509Name(WOLFSSL_X509_NAME* name, void* heap);
+ WOLFSSL_LOCAL void InitX509(WOLFSSL_X509*, int, void* heap);
+ WOLFSSL_LOCAL void FreeX509(WOLFSSL_X509*);
+ WOLFSSL_LOCAL int CopyDecodedToX509(WOLFSSL_X509*, DecodedCert*);
+#endif
+
+/* used by ssl.c and internal.c */
+WOLFSSL_LOCAL void c32to24(word32 in, word24 out);
+
+WOLFSSL_LOCAL const char* const* GetCipherNames(void);
+WOLFSSL_LOCAL int GetCipherNamesSize(void);
+WOLFSSL_LOCAL const char* GetCipherNameInternal(const char* cipherName, int cipherSuite);
+WOLFSSL_LOCAL const char* wolfSSL_get_cipher_name_internal(WOLFSSL* ssl);
+WOLFSSL_LOCAL const char* wolfSSL_get_cipher_name_from_suite(
+ const unsigned char cipherSuite, const unsigned char cipherSuite0);
+
+enum encrypt_side {
+ ENCRYPT_SIDE_ONLY = 1,
+ DECRYPT_SIDE_ONLY,
+ ENCRYPT_AND_DECRYPT_SIDE
+};
+
+WOLFSSL_LOCAL int SetKeysSide(WOLFSSL*, enum encrypt_side);
+
+
+#ifndef NO_DH
+ WOLFSSL_LOCAL int DhGenKeyPair(WOLFSSL* ssl, DhKey* dhKey,
+ byte* priv, word32* privSz,
+ byte* pub, word32* pubSz);
+ WOLFSSL_LOCAL int DhAgree(WOLFSSL* ssl, DhKey* dhKey,
+ const byte* priv, word32 privSz,
+ const byte* otherPub, word32 otherPubSz,
+ byte* agree, word32* agreeSz);
+#endif /* !NO_DH */
+
+#ifdef HAVE_ECC
+ WOLFSSL_LOCAL int EccMakeKey(WOLFSSL* ssl, ecc_key* key, ecc_key* peer);
+#endif
+
+WOLFSSL_LOCAL int InitHandshakeHashes(WOLFSSL* ssl);
+WOLFSSL_LOCAL void FreeHandshakeHashes(WOLFSSL* ssl);
+
+WOLFSSL_LOCAL int BuildMessage(WOLFSSL* ssl, byte* output, int outSz,
+ const byte* input, int inSz, int type, int hashOutput,
+ int sizeOnly, int asyncOkay);
+
+#ifdef WOLFSSL_TLS13
+int BuildTls13Message(WOLFSSL* ssl, byte* output, int outSz, const byte* input,
+ int inSz, int type, int hashOutput, int sizeOnly, int asyncOkay);
+#endif
+
+WOLFSSL_LOCAL int AllocKey(WOLFSSL* ssl, int type, void** pKey);
+WOLFSSL_LOCAL void FreeKey(WOLFSSL* ssl, int type, void** pKey);
+
+#ifdef WOLFSSL_ASYNC_CRYPT
+ WOLFSSL_LOCAL int wolfSSL_AsyncPop(WOLFSSL* ssl, byte* state);
+ WOLFSSL_LOCAL int wolfSSL_AsyncPush(WOLFSSL* ssl, WC_ASYNC_DEV* asyncDev,
+ word32 flags);
+#endif
+
+
+#ifdef __cplusplus
+ } /* extern "C" */
+#endif
+
+#endif /* wolfSSL_INT_H */
+