MultiTech
A library for setting up Secure Socket Layer (SSL) connections and verifying remote hosts using certificates. Contains only the source files for mbed platform implementation of the library.
Dependents: HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL
cyassl/internal.h
- Committer:
- Mike Fiore
- Date:
- 2015-03-23
- Revision:
- 6:cf58d49e1a86
- Parent:
- 0:b86d15c6ba29
File content as of revision 6:cf58d49e1a86:
/* internal.h
*
* Copyright (C) 2006-2014 wolfSSL Inc.
*
* This file is part of CyaSSL.
*
* CyaSSL 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.
*
* CyaSSL is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef CYASSL_INT_H
#define CYASSL_INT_H
#include <cyassl/ctaocrypt/types.h>
#include <cyassl/ssl.h>
#include <cyassl/crl.h>
#include <cyassl/ctaocrypt/random.h>
#include <cyassl/ctaocrypt/des3.h>
#include <cyassl/ctaocrypt/hc128.h>
#include <cyassl/ctaocrypt/rabbit.h>
#include <cyassl/ctaocrypt/chacha.h>
#include <cyassl/ctaocrypt/asn.h>
#include <cyassl/ctaocrypt/md5.h>
#include <cyassl/ctaocrypt/sha.h>
#include <cyassl/ctaocrypt/aes.h>
#include <cyassl/ctaocrypt/poly1305.h>
#include <cyassl/ctaocrypt/camellia.h>
#include <cyassl/ctaocrypt/logging.h>
#include <cyassl/ctaocrypt/hmac.h>
#ifndef NO_RC4
#include <cyassl/ctaocrypt/arc4.h>
#endif
#ifdef HAVE_ECC
#include <cyassl/ctaocrypt/ecc.h>
#endif
#ifndef NO_SHA256
#include <cyassl/ctaocrypt/sha256.h>
#endif
#ifdef HAVE_OCSP
#include <cyassl/ocsp.h>
#endif
#ifdef CYASSL_SHA512
#include <cyassl/ctaocrypt/sha512.h>
#endif
#ifdef HAVE_AESGCM
#include <cyassl/ctaocrypt/sha512.h>
#endif
#ifdef CYASSL_RIPEMD
#include <cyassl/ctaocrypt/ripemd.h>
#endif
#ifdef CYASSL_CALLBACKS
#include <cyassl/callbacks.h>
#include <signal.h>
#endif
#ifdef USE_WINDOWS_API
#ifdef CYASSL_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(CYASSL_SAFERTOS)
/* do nothing */
#elif defined(EBSNET)
/* do nothing */
#elif defined(FREESCALE_MQX)
/* do nothing */
#elif defined(CYASSL_MDK_ARM)
#if defined(CYASSL_MDK5)
#include "cmsis_os.h"
#else
#include <rtl.h>
#endif
#elif defined(MBED)
#elif defined(CYASSL_TIRTOS)
/* do nothing */
#else
#ifndef SINGLE_THREADED
#define CYASSL_PTHREADS
#include <pthread.h>
#endif
#if defined(OPENSSL_EXTRA) || defined(GOAHEAD_WS)
#include <unistd.h> /* for close of BIO */
#endif
#endif
#ifdef HAVE_LIBZ
#include "zlib.h"
#endif
#ifdef _MSC_VER
/* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */
#pragma warning(disable: 4996)
#endif
#ifdef NO_AES
#if !defined (ALIGN16)
#define ALIGN16
#endif
#endif
#ifdef NO_SHA
#define SHA_DIGEST_SIZE 20
#endif
#ifdef NO_SHA256
#define SHA256_DIGEST_SIZE 32
#endif
#ifdef NO_MD5
#define MD5_DIGEST_SIZE 16
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifdef USE_WINDOWS_API
typedef unsigned int SOCKET_T;
#else
typedef int SOCKET_T;
#endif
typedef byte word24[3];
/* Define or comment out the cipher suites you'd like to be compiled in
make sure to use at least one BUILD_SSL_xxx or BUILD_TLS_xxx is defined
When adding cipher suites, add name to cipher_names, idx to cipher_name_idx
*/
#if !defined(NO_RSA) && !defined(NO_RC4)
#if !defined(NO_SHA)
#define BUILD_SSL_RSA_WITH_RC4_128_SHA
#endif
#if !defined(NO_MD5)
#define BUILD_SSL_RSA_WITH_RC4_128_MD5
#endif
#if !defined(NO_TLS) && defined(HAVE_NTRU) && !defined(NO_SHA)
#define BUILD_TLS_NTRU_RSA_WITH_RC4_128_SHA
#endif
#endif
#if !defined(NO_RSA) && !defined(NO_DES3)
#if !defined(NO_SHA)
#define BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA
#if !defined(NO_TLS) && defined(HAVE_NTRU)
#define BUILD_TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA
#endif
#endif
#endif
#if !defined(NO_RSA) && !defined(NO_AES) && !defined(NO_TLS)
#if !defined(NO_SHA)
#define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA
#define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA
#if defined(HAVE_NTRU)
#define BUILD_TLS_NTRU_RSA_WITH_AES_128_CBC_SHA
#define BUILD_TLS_NTRU_RSA_WITH_AES_256_CBC_SHA
#endif
#endif
#if !defined (NO_SHA256)
#define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA256
#define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA256
#endif
#if defined (HAVE_AESGCM)
#define BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256
#if defined (CYASSL_SHA384)
#define BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384
#endif
#endif
#if defined (HAVE_AESCCM)
#define BUILD_TLS_RSA_WITH_AES_128_CCM_8
#define BUILD_TLS_RSA_WITH_AES_256_CCM_8
#endif
#if defined(HAVE_BLAKE2)
#define BUILD_TLS_RSA_WITH_AES_128_CBC_B2B256
#define BUILD_TLS_RSA_WITH_AES_256_CBC_B2B256
#endif
#endif
#if defined(HAVE_CAMELLIA) && !defined(NO_TLS)
#ifndef NO_RSA
#if !defined(NO_SHA)
#define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
#define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
#endif
#ifndef NO_SHA256
#define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
#define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
#endif
#if !defined(NO_DH)
#if !defined(NO_SHA)
#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
#endif
#ifndef NO_SHA256
#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
#define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
#endif
#endif
#endif
#endif
#if !defined(NO_PSK) && !defined(NO_AES) && !defined(NO_TLS)
#if !defined(NO_SHA)
#define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA
#define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA
#endif
#ifndef NO_SHA256
#define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA256
#ifdef HAVE_AESGCM
#define BUILD_TLS_PSK_WITH_AES_128_GCM_SHA256
#endif
#ifdef HAVE_AESCCM
#define BUILD_TLS_PSK_WITH_AES_128_CCM_8
#define BUILD_TLS_PSK_WITH_AES_256_CCM_8
#define BUILD_TLS_PSK_WITH_AES_128_CCM
#define BUILD_TLS_PSK_WITH_AES_256_CCM
#endif
#endif
#ifdef CYASSL_SHA384
#define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA384
#ifdef HAVE_AESGCM
#define BUILD_TLS_PSK_WITH_AES_256_GCM_SHA384
#endif
#endif
#endif
#if !defined(NO_TLS) && defined(HAVE_NULL_CIPHER)
#if !defined(NO_RSA)
#if !defined(NO_SHA)
#define BUILD_TLS_RSA_WITH_NULL_SHA
#endif
#ifndef NO_SHA256
#define BUILD_TLS_RSA_WITH_NULL_SHA256
#endif
#endif
#if !defined(NO_PSK)
#if !defined(NO_SHA)
#define BUILD_TLS_PSK_WITH_NULL_SHA
#endif
#ifndef NO_SHA256
#define BUILD_TLS_PSK_WITH_NULL_SHA256
#endif
#ifdef CYASSL_SHA384
#define BUILD_TLS_PSK_WITH_NULL_SHA384
#endif
#endif
#endif
#if !defined(NO_HC128) && !defined(NO_RSA) && !defined(NO_TLS)
#define BUILD_TLS_RSA_WITH_HC_128_MD5
#if !defined(NO_SHA)
#define BUILD_TLS_RSA_WITH_HC_128_SHA
#endif
#if defined(HAVE_BLAKE2)
#define BUILD_TLS_RSA_WITH_HC_128_B2B256
#endif
#endif
#if !defined(NO_RABBIT) && !defined(NO_TLS) && !defined(NO_RSA)
#if !defined(NO_SHA)
#define BUILD_TLS_RSA_WITH_RABBIT_SHA
#endif
#endif
#if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \
!defined(NO_RSA)
#if !defined(NO_SHA)
#define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
#define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
#endif
#if !defined (NO_SHA256)
#define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
#define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
#if defined (HAVE_AESGCM)
#define BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
#if defined (CYASSL_SHA384)
#define BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
#endif
#endif
#endif
#endif
#if defined(HAVE_ANON) && !defined(NO_TLS) && !defined(NO_DH) && \
!defined(NO_AES) && !defined(NO_SHA)
#define BUILD_TLS_DH_anon_WITH_AES_128_CBC_SHA
#endif
#if !defined(NO_DH) && !defined(NO_PSK) && !defined(NO_TLS)
#ifndef NO_SHA256
#define BUILD_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
#ifdef HAVE_NULL_CIPHER
#define BUILD_TLS_DHE_PSK_WITH_NULL_SHA256
#endif
#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
#ifdef CYASSL_SHA384
#define BUILD_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
#ifdef HAVE_NULL_CIPHER
#define BUILD_TLS_DHE_PSK_WITH_NULL_SHA384
#endif
#ifdef HAVE_AESGCM
#define BUILD_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
#endif
#endif
#endif
#if defined(HAVE_ECC) && !defined(NO_TLS)
#if !defined(NO_AES)
#if !defined(NO_SHA)
#if !defined(NO_RSA)
#define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
#define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
#define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
#define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
#endif
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
#endif /* NO_SHA */
#ifndef NO_SHA256
#if !defined(NO_RSA)
#define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
#define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
#endif
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
#endif
#ifdef CYASSL_SHA384
#if !defined(NO_RSA)
#define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
#define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
#endif
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
#endif
#if defined (HAVE_AESGCM)
#if !defined(NO_RSA)
#define BUILD_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
#define BUILD_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
#if defined(CYASSL_SHA384)
#define BUILD_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
#define BUILD_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
#endif
#endif
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
#if defined(CYASSL_SHA384)
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
#define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
#endif
#endif
#if defined (HAVE_AESCCM)
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
#define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
#endif
#endif /* NO_AES */
#if !defined(NO_RC4)
#if !defined(NO_SHA)
#if !defined(NO_RSA)
#define BUILD_TLS_ECDHE_RSA_WITH_RC4_128_SHA
#define BUILD_TLS_ECDH_RSA_WITH_RC4_128_SHA
#endif
#define BUILD_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
#define BUILD_TLS_ECDH_ECDSA_WITH_RC4_128_SHA
#endif
#endif
#if !defined(NO_DES3)
#if !defined(NO_RSA)
#define BUILD_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
#define BUILD_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
#endif
#define BUILD_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
#define BUILD_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
#endif
#endif
#if defined(BUILD_SSL_RSA_WITH_RC4_128_SHA) || \
defined(BUILD_SSL_RSA_WITH_RC4_128_MD5)
#define BUILD_ARC4
#endif
#if defined(BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA)
#define BUILD_DES3
#endif
#if defined(BUILD_TLS_RSA_WITH_AES_128_CBC_SHA) || \
defined(BUILD_TLS_RSA_WITH_AES_256_CBC_SHA) || \
defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
#undef BUILD_AES
#define BUILD_AES
#endif
#if defined(BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256) || \
defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
#define BUILD_AESGCM
#endif
#if defined(BUILD_TLS_RSA_WITH_HC_128_SHA) || \
defined(BUILD_TLS_RSA_WITH_HC_128_MD5) || \
defined(BUILD_TLS_RSA_WITH_HC_128_B2B256)
#define BUILD_HC128
#endif
#if defined(BUILD_TLS_RSA_WITH_RABBIT_SHA)
#define BUILD_RABBIT
#endif
#ifdef NO_DES3
#define DES_BLOCK_SIZE 8
#else
#undef BUILD_DES3
#define BUILD_DES3
#endif
#ifdef NO_AES
#define AES_BLOCK_SIZE 16
#else
#undef BUILD_AES
#define BUILD_AES
#endif
#ifndef NO_RC4
#undef BUILD_ARC4
#define BUILD_ARC4
#endif
#ifdef HAVE_CHACHA
#define CHACHA20_BLOCK_SIZE 16
/* ChaCha - Poly AEAD suites */
#if defined(HAVE_POLY1305) && !defined(NO_SHA256)
#if defined(HAVE_ECC)
#if !defined(NO_RSA)
#define BUILD_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
#endif
#define BUILD_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
#endif
#if !defined(NO_DH) && !defined(NO_RSA)
#define BUILD_TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256
#endif
#endif /* end of ChaCha - Poly AEAD suites */
#endif
#if defined(BUILD_AESGCM) || defined(HAVE_AESCCM) || defined(HAVE_CHACHA)
#define HAVE_AEAD
#endif
/* actual cipher values, 2nd byte */
enum {
TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x39,
TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x33,
TLS_DH_anon_WITH_AES_128_CBC_SHA = 0x34,
TLS_RSA_WITH_AES_256_CBC_SHA = 0x35,
TLS_RSA_WITH_AES_128_CBC_SHA = 0x2F,
TLS_RSA_WITH_NULL_SHA = 0x02,
TLS_PSK_WITH_AES_256_CBC_SHA = 0x8d,
TLS_PSK_WITH_AES_128_CBC_SHA256 = 0xae,
TLS_PSK_WITH_AES_256_CBC_SHA384 = 0xaf,
TLS_PSK_WITH_AES_128_CBC_SHA = 0x8c,
TLS_PSK_WITH_NULL_SHA256 = 0xb0,
TLS_PSK_WITH_NULL_SHA384 = 0xb1,
TLS_PSK_WITH_NULL_SHA = 0x2c,
SSL_RSA_WITH_RC4_128_SHA = 0x05,
SSL_RSA_WITH_RC4_128_MD5 = 0x04,
SSL_RSA_WITH_3DES_EDE_CBC_SHA = 0x0A,
/* ECC suites, first byte is 0xC0 (ECC_BYTE) */
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0x14,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0x13,
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0x0A,
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0x09,
TLS_ECDHE_RSA_WITH_RC4_128_SHA = 0x11,
TLS_ECDHE_ECDSA_WITH_RC4_128_SHA = 0x07,
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA = 0x12,
TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x08,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0x27,
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0x23,
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0x28,
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0x24,
/* static ECDH, first byte is 0xC0 (ECC_BYTE) */
TLS_ECDH_RSA_WITH_AES_256_CBC_SHA = 0x0F,
TLS_ECDH_RSA_WITH_AES_128_CBC_SHA = 0x0E,
TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA = 0x05,
TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA = 0x04,
TLS_ECDH_RSA_WITH_RC4_128_SHA = 0x0C,
TLS_ECDH_ECDSA_WITH_RC4_128_SHA = 0x02,
TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA = 0x0D,
TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x03,
TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 = 0x29,
TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 = 0x25,
TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 = 0x2A,
TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 = 0x26,
/* CyaSSL extension - eSTREAM */
TLS_RSA_WITH_HC_128_MD5 = 0xFB,
TLS_RSA_WITH_HC_128_SHA = 0xFC,
TLS_RSA_WITH_RABBIT_SHA = 0xFD,
/* CyaSSL 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 */
/* CyaSSL extension - NTRU */
TLS_NTRU_RSA_WITH_RC4_128_SHA = 0xe5,
TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA = 0xe6,
TLS_NTRU_RSA_WITH_AES_128_CBC_SHA = 0xe7, /* clashes w/official SHA-256 */
TLS_NTRU_RSA_WITH_AES_256_CBC_SHA = 0xe8,
/* SHA256 */
TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x6b,
TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x67,
TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x3d,
TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x3c,
TLS_RSA_WITH_NULL_SHA256 = 0x3b,
TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 = 0xb2,
TLS_DHE_PSK_WITH_NULL_SHA256 = 0xb4,
/* SHA384 */
TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 = 0xb3,
TLS_DHE_PSK_WITH_NULL_SHA384 = 0xb5,
/* AES-GCM */
TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x9c,
TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x9d,
TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x9e,
TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x9f,
TLS_PSK_WITH_AES_128_GCM_SHA256 = 0xa8,
TLS_PSK_WITH_AES_256_GCM_SHA384 = 0xa9,
TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 = 0xaa,
TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 = 0xab,
/* ECC AES-GCM, first byte is 0xC0 (ECC_BYTE) */
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2b,
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2c,
TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 = 0x2d,
TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 = 0x2e,
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0x2f,
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0x30,
TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 = 0x31,
TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 = 0x32,
/* AES-CCM, first byte is 0xC0 but isn't ECC,
* also, in some of the other AES-CCM suites
* there will be second byte number conflicts
* with non-ECC AES-GCM */
TLS_RSA_WITH_AES_128_CCM_8 = 0xa0,
TLS_RSA_WITH_AES_256_CCM_8 = 0xa1,
TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 = 0xae,
TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 = 0xaf,
TLS_PSK_WITH_AES_128_CCM = 0xa4,
TLS_PSK_WITH_AES_256_CCM = 0xa5,
TLS_PSK_WITH_AES_128_CCM_8 = 0xa8,
TLS_PSK_WITH_AES_256_CCM_8 = 0xa9,
TLS_DHE_PSK_WITH_AES_128_CCM = 0xa6,
TLS_DHE_PSK_WITH_AES_256_CCM = 0xa7,
/* Camellia */
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x41,
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x84,
TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xba,
TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc0,
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA = 0x45,
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA = 0x88,
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xbe,
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc4,
TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0x13,
TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256 = 0x14,
TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256 = 0x15,
/* Renegotiation Indication Extension Special Suite */
TLS_EMPTY_RENEGOTIATION_INFO_SCSV = 0xff
};
#ifndef CYASSL_SESSION_TIMEOUT
#define CYASSL_SESSION_TIMEOUT 500
/* default session resumption cache timeout in seconds */
#endif
enum Misc {
ECC_BYTE = 0xC0, /* ECC first cipher suite byte */
CHACHA_BYTE = 0xCC, /* ChaCha first cipher suite */
SEND_CERT = 1,
SEND_BLANK_CERT = 2,
DTLS_MAJOR = 0xfe, /* DTLS major version number */
DTLS_MINOR = 0xff, /* DTLS minor version number */
DTLSv1_2_MINOR = 0xfd, /* DTLS minor version number */
SSLv3_MAJOR = 3, /* SSLv3 and TLSv1+ major version number */
SSLv3_MINOR = 0, /* TLSv1 minor version number */
TLSv1_MINOR = 1, /* TLSv1 minor version number */
TLSv1_1_MINOR = 2, /* TLSv1_1 minor version number */
TLSv1_2_MINOR = 3, /* TLSv1_2 minor version number */
OLD_HELLO_ID = 0x01, /* SSLv2 Client Hello Indicator */
INVALID_BYTE = 0xff, /* Used to initialize cipher specs values */
NO_COMPRESSION = 0,
ZLIB_COMPRESSION = 221, /* CyaSSL zlib compression */
HELLO_EXT_SIG_ALGO = 13, /* ID for the sig_algo hello extension */
SECRET_LEN = 48, /* pre RSA and all master */
ENCRYPT_LEN = 512, /* allow 4096 bit static buffer */
SIZEOF_SENDER = 4, /* clnt or srvr */
FINISHED_SZ = 36, /* MD5_DIGEST_SIZE + SHA_DIGEST_SIZE */
MAX_RECORD_SIZE = 16384, /* 2^14, max size by standard */
MAX_MSG_EXTRA = 38 + MAX_DIGEST_SIZE,
/* max added to msg, mac + pad from */
/* RECORD_HEADER_SZ + BLOCK_SZ (pad) + Max
digest sz + BLOC_SZ (iv) + pad byte (1) */
MAX_COMP_EXTRA = 1024, /* max compression extra */
MAX_MTU = 1500, /* max expected MTU */
MAX_UDP_SIZE = 8192 - 100, /* was MAX_MTU - 100 */
MAX_DH_SZ = 1036, /* 4096 p, pub, g + 2 byte size for each */
MAX_STR_VERSION = 8, /* string rep of protocol version */
PAD_MD5 = 48, /* pad length for finished */
PAD_SHA = 40, /* pad length for finished */
MAX_PAD_SIZE = 256, /* maximum length of padding */
COMPRESS_DUMMY_SIZE = 64, /* compression dummy round size */
COMPRESS_CONSTANT = 13, /* compression calc constant */
COMPRESS_UPPER = 55, /* compression calc numerator */
COMPRESS_LOWER = 64, /* compression calc denominator */
PEM_LINE_LEN = 80, /* PEM line max + fudge */
LENGTH_SZ = 2, /* length field for HMAC, data only */
VERSION_SZ = 2, /* length of proctocol version */
SEQ_SZ = 8, /* 64 bit sequence number */
BYTE3_LEN = 3, /* up to 24 bit byte lengths */
ALERT_SIZE = 2, /* level + description */
VERIFY_HEADER = 2, /* always use 2 bytes */
EXT_ID_SZ = 2, /* always use 2 bytes */
MAX_DH_SIZE = 513, /* 4096 bit plus possible leading 0 */
MAX_SUITE_SZ = 200, /* 100 suites for now! */
RAN_LEN = 32, /* random length */
SEED_LEN = RAN_LEN * 2, /* tls prf seed length */
ID_LEN = 32, /* session id length */
MAX_COOKIE_LEN = 32, /* max dtls cookie size */
COOKIE_SZ = 20, /* use a 20 byte cookie */
SUITE_LEN = 2, /* cipher suite sz length */
ENUM_LEN = 1, /* always a byte */
OPAQUE8_LEN = 1, /* 1 byte */
OPAQUE16_LEN = 2, /* 2 bytes */
OPAQUE24_LEN = 3, /* 3 bytes */
OPAQUE32_LEN = 4, /* 4 bytes */
COMP_LEN = 1, /* compression length */
CURVE_LEN = 2, /* ecc named curve length */
SERVER_ID_LEN = 20, /* server session id length */
HANDSHAKE_HEADER_SZ = 4, /* type + length(3) */
RECORD_HEADER_SZ = 5, /* type + version + len(2) */
CERT_HEADER_SZ = 3, /* always 3 bytes */
REQ_HEADER_SZ = 2, /* cert request header sz */
HINT_LEN_SZ = 2, /* length of hint size field */
TRUNCATED_HMAC_SZ = 10, /* length of hmac w/ truncated hmac extension */
HELLO_EXT_TYPE_SZ = 2, /* length of a hello extension type */
HELLO_EXT_SZ = 8, /* total length of the lazy hello extensions */
HELLO_EXT_LEN = 6, /* length of the lazy hello extensions */
HELLO_EXT_SIGALGO_SZ = 2, /* length of signature algo extension */
HELLO_EXT_SIGALGO_MAX = 32, /* number of items in the signature algo list */
DTLS_HANDSHAKE_HEADER_SZ = 12, /* normal + seq(2) + offset(3) + length(3) */
DTLS_RECORD_HEADER_SZ = 13, /* normal + epoch(2) + seq_num(6) */
DTLS_HANDSHAKE_EXTRA = 8, /* diff from normal */
DTLS_RECORD_EXTRA = 8, /* diff from normal */
DTLS_HANDSHAKE_SEQ_SZ = 2, /* handshake header sequence number */
DTLS_HANDSHAKE_FRAG_SZ = 3, /* fragment offset and length are 24 bit */
DTLS_POOL_SZ = 5, /* buffers to hold in the retry pool */
FINISHED_LABEL_SZ = 15, /* TLS finished label size */
TLS_FINISHED_SZ = 12, /* TLS has a shorter size */
MASTER_LABEL_SZ = 13, /* TLS master secret label sz */
KEY_LABEL_SZ = 13, /* TLS key block expansion sz */
MAX_PRF_HALF = 256, /* Maximum half secret len */
MAX_PRF_LABSEED = 128, /* Maximum label + seed len */
MAX_PRF_DIG = 224, /* Maximum digest len */
MAX_REQUEST_SZ = 256, /* Maximum cert req len (no auth yet */
SESSION_FLUSH_COUNT = 256, /* Flush session cache unless user turns off */
RC4_KEY_SIZE = 16, /* always 128bit */
DES_KEY_SIZE = 8, /* des */
DES3_KEY_SIZE = 24, /* 3 des ede */
DES_IV_SIZE = DES_BLOCK_SIZE,
AES_256_KEY_SIZE = 32, /* for 256 bit */
AES_192_KEY_SIZE = 24, /* for 192 bit */
AES_IV_SIZE = 16, /* always block size */
AES_128_KEY_SIZE = 16, /* for 128 bit */
AEAD_SEQ_OFFSET = 4, /* Auth Data: Sequence number */
AEAD_TYPE_OFFSET = 8, /* Auth Data: Type */
AEAD_VMAJ_OFFSET = 9, /* Auth Data: Major Version */
AEAD_VMIN_OFFSET = 10, /* Auth Data: Minor Version */
AEAD_LEN_OFFSET = 11, /* Auth Data: Length */
AEAD_AUTH_DATA_SZ = 13, /* Size of the data to authenticate */
AEAD_IMP_IV_SZ = 4, /* Size of the implicit IV */
AEAD_EXP_IV_SZ = 8, /* Size of the explicit IV */
AEAD_NONCE_SZ = AEAD_EXP_IV_SZ + AEAD_IMP_IV_SZ,
AES_GCM_AUTH_SZ = 16, /* AES-GCM Auth Tag length */
AES_CCM_16_AUTH_SZ = 16, /* AES-CCM-16 Auth Tag length */
AES_CCM_8_AUTH_SZ = 8, /* AES-CCM-8 Auth Tag Length */
CAMELLIA_128_KEY_SIZE = 16, /* for 128 bit */
CAMELLIA_192_KEY_SIZE = 24, /* for 192 bit */
CAMELLIA_256_KEY_SIZE = 32, /* for 256 bit */
CAMELLIA_IV_SIZE = 16, /* always block size */
CHACHA20_256_KEY_SIZE = 32, /* for 256 bit */
CHACHA20_128_KEY_SIZE = 16, /* for 128 bit */
CHACHA20_IV_SIZE = 8, /* 64 bits for iv */
POLY1305_AUTH_SZ = 16, /* 128 bits */
HC_128_KEY_SIZE = 16, /* 128 bits */
HC_128_IV_SIZE = 16, /* also 128 bits */
RABBIT_KEY_SIZE = 16, /* 128 bits */
RABBIT_IV_SIZE = 8, /* 64 bits for iv */
EVP_SALT_SIZE = 8, /* evp salt size 64 bits */
ECDHE_SIZE = 32, /* ECHDE server size defaults to 256 bit */
MAX_EXPORT_ECC_SZ = 256, /* Export ANS X9.62 max future size */
MAX_HELLO_SZ = 128, /* max client or server hello */
MAX_CERT_VERIFY_SZ = 1024, /* max */
CLIENT_HELLO_FIRST = 35, /* Protocol + RAN_LEN + sizeof(id_len) */
MAX_SUITE_NAME = 48, /* maximum length of cipher suite string */
DTLS_TIMEOUT_INIT = 1, /* default timeout init for DTLS receive */
DTLS_TIMEOUT_MAX = 64, /* default max timeout for DTLS receive */
DTLS_TIMEOUT_MULTIPLIER = 2, /* default timeout multiplier for DTLS recv */
MAX_PSK_ID_LEN = 128, /* max psk identity/hint supported */
MAX_PSK_KEY_LEN = 64, /* max psk key supported */
MAX_CYASSL_FILE_SIZE = 1024 * 1024 * 4, /* 4 mb file size alloc limit */
#ifdef FORTRESS
MAX_EX_DATA = 3, /* allow for three items of ex_data */
#endif
MAX_X509_SIZE = 2048, /* max static x509 buffer size */
CERT_MIN_SIZE = 256, /* min PEM cert size with header/footer */
MAX_FILENAME_SZ = 256, /* max file name length */
FILE_BUFFER_SIZE = 1024, /* default static file buffer size for input,
will use dynamic buffer if not big enough */
MAX_NTRU_PUB_KEY_SZ = 1027, /* NTRU max for now */
MAX_NTRU_ENCRYPT_SZ = 1027, /* NTRU max for now */
MAX_NTRU_BITS = 256, /* max symmetric bit strength */
NO_SNIFF = 0, /* not sniffing */
SNIFF = 1, /* currently sniffing */
HASH_SIG_SIZE = 2, /* default SHA1 RSA */
NO_CAVIUM_DEVICE = -2, /* invalid cavium device id */
NO_COPY = 0, /* should we copy static buffer for write */
COPY = 1 /* should we copy static buffer for write */
};
#ifdef SESSION_INDEX
/* Shift values for making a session index */
#define SESSIDX_ROW_SHIFT 4
#define SESSIDX_IDX_MASK 0x0F
#endif
/* max cert chain peer depth */
#ifndef MAX_CHAIN_DEPTH
#define MAX_CHAIN_DEPTH 9
#endif
#ifndef SESSION_TICKET_LEN
#define SESSION_TICKET_LEN 256
#endif
/* don't use extra 3/4k stack space unless need to */
#ifdef HAVE_NTRU
#define MAX_ENCRYPT_SZ MAX_NTRU_ENCRYPT_SZ
#else
#define MAX_ENCRYPT_SZ ENCRYPT_LEN
#endif
/* states */
enum states {
NULL_STATE = 0,
SERVER_HELLOVERIFYREQUEST_COMPLETE,
SERVER_HELLO_COMPLETE,
SERVER_CERT_COMPLETE,
SERVER_KEYEXCHANGE_COMPLETE,
SERVER_HELLODONE_COMPLETE,
SERVER_FINISHED_COMPLETE,
CLIENT_HELLO_COMPLETE,
CLIENT_KEYEXCHANGE_COMPLETE,
CLIENT_FINISHED_COMPLETE,
HANDSHAKE_DONE
};
#if defined(__GNUC__)
#define CYASSL_PACK __attribute__ ((packed))
#else
#define CYASSL_PACK
#endif
/* SSL Version */
typedef struct ProtocolVersion {
byte major;
byte minor;
} CYASSL_PACK ProtocolVersion;
CYASSL_LOCAL ProtocolVersion MakeSSLv3(void);
CYASSL_LOCAL ProtocolVersion MakeTLSv1(void);
CYASSL_LOCAL ProtocolVersion MakeTLSv1_1(void);
CYASSL_LOCAL ProtocolVersion MakeTLSv1_2(void);
#ifdef CYASSL_DTLS
CYASSL_LOCAL ProtocolVersion MakeDTLSv1(void);
CYASSL_LOCAL ProtocolVersion MakeDTLSv1_2(void);
#endif
enum BIO_TYPE {
BIO_BUFFER = 1,
BIO_SOCKET = 2,
BIO_SSL = 3,
BIO_MEMORY = 4
};
/* CyaSSL BIO_METHOD type */
struct CYASSL_BIO_METHOD {
byte type; /* method type */
};
/* CyaSSL BIO type */
struct CYASSL_BIO {
byte type; /* method type */
byte close; /* close flag */
byte eof; /* eof flag */
CYASSL* ssl; /* possible associated ssl */
byte* mem; /* memory buffer */
int memLen; /* memory buffer length */
int fd; /* possible file descriptor */
CYASSL_BIO* prev; /* previous in chain */
CYASSL_BIO* next; /* next in chain */
};
/* CyaSSL method type */
struct CYASSL_METHOD {
ProtocolVersion version;
byte side; /* connection side, server or client */
byte downgrade; /* whether to downgrade version, default no */
};
/* defautls to client */
CYASSL_LOCAL void InitSSL_Method(CYASSL_METHOD*, ProtocolVersion);
/* for sniffer */
CYASSL_LOCAL int DoFinished(CYASSL* ssl, const byte* input, word32* inOutIdx,
word32 size, word32 totalSz, int sniff);
CYASSL_LOCAL int DoApplicationData(CYASSL* ssl, byte* input, word32* inOutIdx);
/* CyaSSL buffer type */
typedef struct buffer {
word32 length;
byte* buffer;
} buffer;
enum {
FORCED_FREE = 1,
NO_FORCED_FREE = 0
};
/* only use compression extra if using compression */
#ifdef HAVE_LIBZ
#define COMP_EXTRA MAX_COMP_EXTRA
#else
#define COMP_EXTRA 0
#endif
/* only the sniffer needs space in the buffer for extra MTU record(s) */
#ifdef CYASSL_SNIFFER
#define MTU_EXTRA MAX_MTU * 3
#else
#define MTU_EXTRA 0
#endif
/* embedded callbacks require large static buffers, make sure on */
#ifdef CYASSL_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 CYASSL_DTLS
#define RECORD_SIZE MAX_MTU
#else
#define RECORD_SIZE 128
#endif
#endif
/* user option to turn off 16K output option */
/* if using small static buffers (default) and SSL_write tries to write data
larger than the record we have, dynamically get it, unless user says only
write in static buffer chuncks */
#ifndef STATIC_CHUNKS_ONLY
#define OUTPUT_RECORD_SIZE MAX_RECORD_SIZE
#else
#define OUTPUT_RECORD_SIZE RECORD_SIZE
#endif
/* CyaSSL 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 {
word32 length; /* total buffer length used */
word32 idx; /* idx to part of length already consumed */
byte* buffer; /* place holder for static or dynamic buffer */
word32 bufferSize; /* current buffer size */
ALIGN16 byte staticBuffer[STATIC_BUFFER_LEN];
byte dynamicFlag; /* dynamic memory currently in use */
byte offset; /* alignment offset attempt */
} bufferStatic;
/* Cipher Suites holder */
typedef struct Suites {
int setSuites; /* user set suites from default */
byte suites[MAX_SUITE_SZ];
word16 suiteSz; /* suite length in bytes */
byte hashSigAlgo[HELLO_EXT_SIGALGO_MAX]; /* sig/algo to offer */
word16 hashSigAlgoSz; /* SigAlgo extension length in bytes */
byte hashAlgo; /* selected hash algorithm */
byte sigAlgo; /* selected sig algorithm */
} Suites;
CYASSL_LOCAL
void InitSuites(Suites*, ProtocolVersion,
byte, byte, byte, byte, byte, byte, int);
CYASSL_LOCAL
int SetCipherList(Suites*, const char* list);
#ifndef PSK_TYPES_DEFINED
typedef unsigned int (*psk_client_callback)(CYASSL*, const char*, char*,
unsigned int, unsigned char*, unsigned int);
typedef unsigned int (*psk_server_callback)(CYASSL*, const char*,
unsigned char*, unsigned int);
#endif /* PSK_TYPES_DEFINED */
#ifdef HAVE_NETX
CYASSL_LOCAL int NetX_Receive(CYASSL *ssl, char *buf, int sz, void *ctx);
CYASSL_LOCAL int NetX_Send(CYASSL *ssl, char *buf, int sz, void *ctx);
#endif /* HAVE_NETX */
/* CyaSSL Cipher type just points back to SSL */
struct CYASSL_CIPHER {
CYASSL* ssl;
};
typedef struct OCSP_Entry OCSP_Entry;
#ifdef SHA_DIGEST_SIZE
#define OCSP_DIGEST_SIZE SHA_DIGEST_SIZE
#else
#define OCSP_DIGEST_SIZE 160
#endif
#ifdef NO_ASN
/* no_asn won't have */
typedef struct CertStatus CertStatus;
#endif
struct OCSP_Entry {
OCSP_Entry* next; /* next entry */
byte issuerHash[OCSP_DIGEST_SIZE]; /* issuer hash */
byte issuerKeyHash[OCSP_DIGEST_SIZE]; /* issuer public key hash */
CertStatus* status; /* OCSP response list */
int totalStatus; /* number on list */
};
#ifndef HAVE_OCSP
typedef struct CYASSL_OCSP CYASSL_OCSP;
#endif
/* CyaSSL OCSP controller */
struct CYASSL_OCSP {
CYASSL_CERT_MANAGER* cm; /* pointer back to cert manager */
OCSP_Entry* ocspList; /* OCSP response list */
CyaSSL_Mutex ocspLock; /* OCSP list lock */
};
#ifndef MAX_DATE_SIZE
#define MAX_DATE_SIZE 32
#endif
typedef struct CRL_Entry CRL_Entry;
#ifdef SHA_DIGEST_SIZE
#define CRL_DIGEST_SIZE SHA_DIGEST_SIZE
#else
#define CRL_DIGEST_SIZE 160
#endif
#ifdef NO_ASN
typedef struct RevokedCert RevokedCert;
#endif
/* Complete CRL */
struct CRL_Entry {
CRL_Entry* next; /* next entry */
byte issuerHash[CRL_DIGEST_SIZE]; /* issuer hash */
/* byte crlHash[CRL_DIGEST_SIZE]; raw crl data hash */
/* restore the hash here if needed for optimized comparisons */
byte lastDate[MAX_DATE_SIZE]; /* last date updated */
byte nextDate[MAX_DATE_SIZE]; /* next update date */
byte lastDateFormat; /* last date format */
byte nextDateFormat; /* next date format */
RevokedCert* certs; /* revoked cert list */
int totalCerts; /* number on list */
};
typedef struct CRL_Monitor CRL_Monitor;
/* CRL directory monitor */
struct CRL_Monitor {
char* path; /* full dir path, if valid pointer we're using */
int type; /* PEM or ASN1 type */
};
#ifndef HAVE_CRL
typedef struct CYASSL_CRL CYASSL_CRL;
#endif
/* CyaSSL CRL controller */
struct CYASSL_CRL {
CYASSL_CERT_MANAGER* cm; /* pointer back to cert manager */
CRL_Entry* crlList; /* our CRL list */
CyaSSL_Mutex crlLock; /* CRL list lock */
CRL_Monitor monitors[2]; /* PEM and DER possible */
#ifdef HAVE_CRL_MONITOR
pthread_t tid; /* monitoring thread */
int mfd; /* monitor fd, -1 if no init yet */
#endif
};
#ifdef NO_ASN
typedef struct Signer Signer;
#endif
#ifndef CA_TABLE_SIZE
#define CA_TABLE_SIZE 11
#endif
/* CyaSSL Certificate Manager */
struct CYASSL_CERT_MANAGER {
Signer* caTable[CA_TABLE_SIZE]; /* the CA signer table */
CyaSSL_Mutex caLock; /* CA list lock */
CallbackCACache caCacheCallback; /* CA cache addition callback */
void* heap; /* heap helper */
CYASSL_CRL* crl; /* CRL checker */
byte crlEnabled; /* is CRL on ? */
byte crlCheckAll; /* always leaf, but all ? */
CbMissingCRL cbMissingCRL; /* notify through cb of missing crl */
CYASSL_OCSP* ocsp; /* OCSP checker */
byte ocspEnabled; /* is OCSP on ? */
byte ocspSendNonce; /* send the OCSP nonce ? */
byte ocspUseOverrideURL; /* ignore cert's responder, override */
char* ocspOverrideURL; /* use this responder */
void* ocspIOCtx; /* I/O callback CTX */
CbOCSPIO ocspIOCb; /* I/O callback for OCSP lookup */
CbOCSPRespFree ocspRespFreeCb; /* Frees OCSP Response from IO Cb */
};
CYASSL_LOCAL int CM_SaveCertCache(CYASSL_CERT_MANAGER*, const char*);
CYASSL_LOCAL int CM_RestoreCertCache(CYASSL_CERT_MANAGER*, const char*);
CYASSL_LOCAL int CM_MemSaveCertCache(CYASSL_CERT_MANAGER*, void*, int, int*);
CYASSL_LOCAL int CM_MemRestoreCertCache(CYASSL_CERT_MANAGER*, const void*, int);
CYASSL_LOCAL int CM_GetCertCacheMemSize(CYASSL_CERT_MANAGER*);
/* CyaSSL Sock Addr */
struct CYASSL_SOCKADDR {
unsigned int sz; /* sockaddr size */
void* sa; /* pointer to the sockaddr_in or sockaddr_in6 */
};
typedef struct CYASSL_DTLS_CTX {
CYASSL_SOCKADDR peer;
int fd;
} CYASSL_DTLS_CTX;
#ifdef CYASSL_DTLS
#ifdef WORD64_AVAILABLE
typedef word64 DtlsSeq;
#else
typedef word32 DtlsSeq;
#endif
#define DTLS_SEQ_BITS (sizeof(DtlsSeq) * CHAR_BIT)
typedef struct DtlsState {
DtlsSeq window; /* Sliding window for current epoch */
word16 nextEpoch; /* Expected epoch in next record */
word32 nextSeq; /* Expected sequence in next record */
word16 curEpoch; /* Received epoch in current record */
word32 curSeq; /* Received sequence in current record */
DtlsSeq prevWindow; /* Sliding window for old epoch */
word32 prevSeq; /* Next sequence in allowed old epoch */
} DtlsState;
#endif /* CYASSL_DTLS */
/* keys and secrets */
typedef struct Keys {
byte client_write_MAC_secret[MAX_DIGEST_SIZE]; /* max sizes */
byte server_write_MAC_secret[MAX_DIGEST_SIZE];
byte client_write_key[AES_256_KEY_SIZE]; /* max sizes */
byte server_write_key[AES_256_KEY_SIZE];
byte client_write_IV[AES_IV_SIZE]; /* max sizes */
byte server_write_IV[AES_IV_SIZE];
#ifdef HAVE_AEAD
byte aead_exp_IV[AEAD_EXP_IV_SZ];
byte aead_enc_imp_IV[AEAD_IMP_IV_SZ];
byte aead_dec_imp_IV[AEAD_IMP_IV_SZ];
#endif
word32 peer_sequence_number;
word32 sequence_number;
#ifdef CYASSL_DTLS
DtlsState dtls_state; /* Peer's state */
word16 dtls_peer_handshake_number;
word16 dtls_expected_peer_handshake_number;
word16 dtls_epoch; /* Current tx epoch */
word32 dtls_sequence_number; /* Current tx sequence */
word16 dtls_handshake_number; /* Current tx handshake seq */
#endif
word32 encryptSz; /* last size of encrypted data */
word32 padSz; /* how much to advance after decrypt part */
byte encryptionOn; /* true after change cipher spec */
byte decryptedCur; /* only decrypt current record once */
} Keys;
/* RFC 6066 TLS Extensions */
#ifdef HAVE_TLS_EXTENSIONS
typedef enum {
SERVER_NAME_INDICATION = 0x0000,
MAX_FRAGMENT_LENGTH = 0x0001,
TRUNCATED_HMAC = 0x0004,
ELLIPTIC_CURVES = 0x000a,
SESSION_TICKET = 0x0023,
SECURE_RENEGOTIATION = 0xff01
} TLSX_Type;
typedef struct TLSX {
TLSX_Type type; /* Extension Type */
void* data; /* Extension Data */
byte resp; /* IsResponse Flag */
struct TLSX* next; /* List Behavior */
} TLSX;
CYASSL_LOCAL TLSX* TLSX_Find(TLSX* list, TLSX_Type type);
CYASSL_LOCAL void TLSX_FreeAll(TLSX* list);
CYASSL_LOCAL int TLSX_SupportExtensions(CYASSL* ssl);
#ifndef NO_CYASSL_CLIENT
CYASSL_LOCAL word16 TLSX_GetRequestSize(CYASSL* ssl);
CYASSL_LOCAL word16 TLSX_WriteRequest(CYASSL* ssl, byte* output);
#endif
#ifndef NO_CYASSL_SERVER
CYASSL_LOCAL word16 TLSX_GetResponseSize(CYASSL* ssl);
CYASSL_LOCAL word16 TLSX_WriteResponse(CYASSL* ssl, byte* output);
#endif
CYASSL_LOCAL int TLSX_Parse(CYASSL* ssl, byte* input, word16 length,
byte isRequest, Suites *suites);
#elif defined(HAVE_SNI) \
|| defined(HAVE_MAX_FRAGMENT) \
|| defined(HAVE_TRUNCATED_HMAC) \
|| defined(HAVE_SUPPORTED_CURVES) \
|| defined(HAVE_SECURE_RENEGOTIATION) \
|| defined(HAVE_SESSION_TICKET)
#error Using TLS extensions requires HAVE_TLS_EXTENSIONS to be defined.
#endif /* HAVE_TLS_EXTENSIONS */
/* Server Name Indication */
#ifdef HAVE_SNI
typedef struct SNI {
byte type; /* SNI Type */
union { char* host_name; } data; /* SNI Data */
struct SNI* next; /* List Behavior */
#ifndef NO_CYASSL_SERVER
byte options; /* Behaviour options */
byte status; /* Matching result */
#endif
} SNI;
CYASSL_LOCAL int TLSX_UseSNI(TLSX** extensions, byte type, const void* data,
word16 size);
#ifndef NO_CYASSL_SERVER
CYASSL_LOCAL void TLSX_SNI_SetOptions(TLSX* extensions, byte type,
byte options);
CYASSL_LOCAL byte TLSX_SNI_Status(TLSX* extensions, byte type);
CYASSL_LOCAL word16 TLSX_SNI_GetRequest(TLSX* extensions, byte type,
void** data);
CYASSL_LOCAL int TLSX_SNI_GetFromBuffer(const byte* buffer, word32 bufferSz,
byte type, byte* sni, word32* inOutSz);
#endif
#endif /* HAVE_SNI */
/* Maximum Fragment Length */
#ifdef HAVE_MAX_FRAGMENT
CYASSL_LOCAL int TLSX_UseMaxFragment(TLSX** extensions, byte mfl);
#endif /* HAVE_MAX_FRAGMENT */
#ifdef HAVE_TRUNCATED_HMAC
CYASSL_LOCAL int TLSX_UseTruncatedHMAC(TLSX** extensions);
#endif /* HAVE_TRUNCATED_HMAC */
#ifdef HAVE_SUPPORTED_CURVES
typedef struct EllipticCurve {
word16 name; /* CurveNames */
struct EllipticCurve* next; /* List Behavior */
} EllipticCurve;
CYASSL_LOCAL int TLSX_UseSupportedCurve(TLSX** extensions, word16 name);
#ifndef NO_CYASSL_SERVER
CYASSL_LOCAL int TLSX_ValidateEllipticCurves(CYASSL* ssl, byte first,
byte second);
#endif
#endif /* HAVE_SUPPORTED_CURVES */
#ifdef HAVE_SECURE_RENEGOTIATION
enum key_cache_state {
SCR_CACHE_NULL = 0, /* empty / begin state */
SCR_CACHE_NEEDED, /* need to cache keys */
SCR_CACHE_COPY, /* we have a cached copy */
SCR_CACHE_PARTIAL, /* partial restore to real keys */
SCR_CACHE_COMPLETE /* complete restore to real keys */
};
/* Additional Conection State according to rfc5746 section 3.1 */
typedef struct SecureRenegotiation {
byte enabled; /* secure_renegotiation flag in rfc */
byte startScr; /* server requested client to start scr */
enum key_cache_state cache_status; /* track key cache state */
byte client_verify_data[TLS_FINISHED_SZ]; /* cached */
byte server_verify_data[TLS_FINISHED_SZ]; /* cached */
byte subject_hash[SHA_DIGEST_SIZE]; /* peer cert hash */
Keys tmp_keys; /* can't overwrite real keys yet */
} SecureRenegotiation;
CYASSL_LOCAL int TLSX_UseSecureRenegotiation(TLSX** extensions);
#endif /* HAVE_SECURE_RENEGOTIATION */
#ifdef HAVE_SESSION_TICKET
typedef struct SessionTicket {
word32 lifetime;
byte* data;
word16 size;
} SessionTicket;
CYASSL_LOCAL int TLSX_UseSessionTicket(TLSX** extensions,
SessionTicket* ticket);
CYASSL_LOCAL SessionTicket* TLSX_SessionTicket_Create(word32 lifetime,
byte* data, word16 size);
CYASSL_LOCAL void TLSX_SessionTicket_Free(SessionTicket* ticket);
#endif /* HAVE_SESSION_TICKET */
/* CyaSSL context type */
struct CYASSL_CTX {
CYASSL_METHOD* method;
CyaSSL_Mutex countMutex; /* reference count mutex */
int refCount; /* reference count */
#ifndef NO_CERTS
buffer certificate;
buffer certChain;
/* chain after self, in DER, with leading size for each cert */
buffer privateKey;
buffer serverDH_P;
buffer serverDH_G;
CYASSL_CERT_MANAGER* cm; /* our cert manager, ctx owns SSL will use */
#endif
Suites suites;
void* heap; /* for user memory overrides */
byte verifyPeer;
byte verifyNone;
byte failNoCert;
byte sessionCacheOff;
byte sessionCacheFlushOff;
byte sendVerify; /* for client side */
byte haveRSA; /* RSA available */
byte haveDH; /* server DH parms set by user */
byte haveNTRU; /* server private NTRU key loaded */
byte haveECDSAsig; /* server cert signed w/ ECDSA */
byte haveStaticECC; /* static server ECC private key */
byte partialWrite; /* only one msg per write call */
byte quietShutdown; /* don't send close notify */
byte groupMessages; /* group handshake messages before sending */
CallbackIORecv CBIORecv;
CallbackIOSend CBIOSend;
#ifdef CYASSL_DTLS
CallbackGenCookie CBIOCookie; /* gen cookie callback */
#endif
VerifyCallback verifyCallback; /* cert verification callback */
word32 timeout; /* session timeout */
#ifdef HAVE_ECC
word16 eccTempKeySz; /* in octets 20 - 66 */
word32 pkCurveOID; /* curve Ecc_Sum */
#endif
#ifndef NO_PSK
byte havePSK; /* psk key set by user */
psk_client_callback client_psk_cb; /* client callback */
psk_server_callback server_psk_cb; /* server callback */
char server_hint[MAX_PSK_ID_LEN];
#endif /* NO_PSK */
#ifdef HAVE_ANON
byte haveAnon; /* User wants to allow Anon suites */
#endif /* HAVE_ANON */
#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
pem_password_cb passwd_cb;
void* userdata;
#endif /* OPENSSL_EXTRA */
#ifdef HAVE_OCSP
CYASSL_OCSP ocsp;
#endif
#ifdef HAVE_CAVIUM
int devId; /* cavium device id to use */
#endif
#ifdef HAVE_TLS_EXTENSIONS
TLSX* extensions; /* RFC 6066 TLS Extensions data */
#endif
#ifdef ATOMIC_USER
CallbackMacEncrypt MacEncryptCb; /* Atomic User Mac/Encrypt Cb */
CallbackDecryptVerify DecryptVerifyCb; /* Atomic User Decrypt/Verify Cb */
#endif
#ifdef HAVE_PK_CALLBACKS
#ifdef HAVE_ECC
CallbackEccSign EccSignCb; /* User EccSign Callback handler */
CallbackEccVerify EccVerifyCb; /* User EccVerify Callback handler */
#endif /* HAVE_ECC */
#ifndef NO_RSA
CallbackRsaSign RsaSignCb; /* User RsaSign Callback handler */
CallbackRsaVerify RsaVerifyCb; /* User RsaVerify Callback handler */
CallbackRsaEnc RsaEncCb; /* User Rsa Public Encrypt handler */
CallbackRsaDec RsaDecCb; /* User Rsa Private Decrypt handler */
#endif /* NO_RSA */
#endif /* HAVE_PK_CALLBACKS */
};
CYASSL_LOCAL
int InitSSL_Ctx(CYASSL_CTX*, CYASSL_METHOD*);
CYASSL_LOCAL
void FreeSSL_Ctx(CYASSL_CTX*);
CYASSL_LOCAL
void SSL_CtxResourceFree(CYASSL_CTX*);
CYASSL_LOCAL
int DeriveTlsKeys(CYASSL* ssl);
CYASSL_LOCAL
int ProcessOldClientHello(CYASSL* ssl, const byte* input, word32* inOutIdx,
word32 inSz, word16 sz);
#ifndef NO_CERTS
CYASSL_LOCAL
int AddCA(CYASSL_CERT_MANAGER* ctx, buffer der, int type, int verify);
CYASSL_LOCAL
int AlreadySigner(CYASSL_CERT_MANAGER* cm, byte* hash);
#endif
/* All cipher suite related info */
typedef struct CipherSpecs {
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;
word16 key_size;
word16 iv_size;
word16 block_size;
word16 aead_mac_size;
} CipherSpecs;
void InitCipherSpecs(CipherSpecs* cs);
/* Supported Message Authentication Codes from page 43 */
enum MACAlgorithm {
no_mac,
md5_mac,
sha_mac,
sha224_mac,
sha256_mac, /* needs to match external KDF_MacAlgorithm */
sha384_mac,
sha512_mac,
rmd_mac,
blake2b_mac
};
/* Supported Key Exchange Protocols */
enum KeyExchangeAlgorithm {
no_kea,
rsa_kea,
diffie_hellman_kea,
fortezza_kea,
psk_kea,
dhe_psk_kea,
ntru_kea,
ecc_diffie_hellman_kea,
ecc_static_diffie_hellman_kea /* for verify suite only */
};
/* Supported Authentication Schemes */
enum SignatureAlgorithm {
anonymous_sa_algo,
rsa_sa_algo,
dsa_sa_algo,
ecc_dsa_sa_algo
};
/* Supprted ECC Curve Types */
enum EccCurves {
named_curve = 3
};
/* Supprted ECC Named Curves */
enum EccNamedCurves {
secp256r1 = 0x17, /* default, OpenSSL also calls it prime256v1 */
secp384r1 = 0x18,
secp521r1 = 0x19,
secp160r1 = 0x10,
secp192r1 = 0x13, /* Openssl also call it prime192v1 */
secp224r1 = 0x15
};
/* Valid client certificate request types from page 27 */
enum ClientCertificateType {
rsa_sign = 1,
dss_sign = 2,
rsa_fixed_dh = 3,
dss_fixed_dh = 4,
rsa_ephemeral_dh = 5,
dss_ephemeral_dh = 6,
fortezza_kea_cert = 20,
ecdsa_sign = 64,
rsa_fixed_ecdh = 65,
ecdsa_fixed_ecdh = 66
};
enum CipherType { stream, block, aead };
/* cipher for now */
typedef struct Ciphers {
#ifdef BUILD_ARC4
Arc4* arc4;
#endif
#ifdef BUILD_DES3
Des3* des3;
#endif
#if defined(BUILD_AES) || defined(BUILD_AESGCM)
Aes* aes;
#endif
#ifdef HAVE_CAMELLIA
Camellia* cam;
#endif
#ifdef HAVE_CHACHA
ChaCha* chacha;
#endif
#ifdef HAVE_HC128
HC128* hc128;
#endif
#ifdef BUILD_RABBIT
Rabbit* rabbit;
#endif
byte setup; /* have we set it up flag for detection */
} Ciphers;
#ifdef HAVE_ONE_TIME_AUTH
/* Ciphers for one time authentication such as poly1305 */
typedef struct OneTimeAuth {
#ifdef HAVE_POLY1305
Poly1305* poly1305;
#endif
byte setup; /* flag for if a cipher has been set */
} OneTimeAuth;
#endif
CYASSL_LOCAL void InitCiphers(CYASSL* ssl);
CYASSL_LOCAL void FreeCiphers(CYASSL* ssl);
/* hashes type */
typedef struct Hashes {
#ifndef NO_OLD_TLS
byte md5[MD5_DIGEST_SIZE];
#endif
byte sha[SHA_DIGEST_SIZE];
#ifndef NO_SHA256
byte sha256[SHA256_DIGEST_SIZE];
#endif
#ifdef CYASSL_SHA384
byte sha384[SHA384_DIGEST_SIZE];
#endif
} Hashes;
/* Static x509 buffer */
typedef struct x509_buffer {
int length; /* actual size */
byte buffer[MAX_X509_SIZE]; /* max static cert size */
} x509_buffer;
/* CyaSSL X509_CHAIN, for no dynamic memory SESSION_CACHE */
struct CYASSL_X509_CHAIN {
int count; /* total number in chain */
x509_buffer certs[MAX_CHAIN_DEPTH]; /* only allow max depth 4 for now */
};
/* CyaSSL session type */
struct CYASSL_SESSION {
byte sessionID[ID_LEN]; /* id for protocol */
byte sessionIDSz;
byte masterSecret[SECRET_LEN]; /* stored secret */
word32 bornOn; /* create time in seconds */
word32 timeout; /* timeout in seconds */
#ifdef SESSION_CERTS
CYASSL_X509_CHAIN chain; /* peer cert chain, static */
ProtocolVersion version; /* which version was used */
byte cipherSuite0; /* first byte, normally 0 */
byte cipherSuite; /* 2nd byte, actual suite */
#endif
#ifndef NO_CLIENT_CACHE
byte serverID[SERVER_ID_LEN]; /* for easier client lookup */
word16 idLen; /* serverID length */
#endif
#ifdef HAVE_SESSION_TICKET
byte ticket[SESSION_TICKET_LEN];
word16 ticketLen;
#endif
};
CYASSL_LOCAL
CYASSL_SESSION* GetSession(CYASSL*, byte*);
CYASSL_LOCAL
int SetSession(CYASSL*, CYASSL_SESSION*);
typedef int (*hmacfp) (CYASSL*, byte*, const byte*, word32, int, int);
#ifndef NO_CLIENT_CACHE
CYASSL_SESSION* GetSessionClient(CYASSL*, const byte*, int);
#endif
/* client connect state for nonblocking restart */
enum ConnectState {
CONNECT_BEGIN = 0,
CLIENT_HELLO_SENT,
HELLO_AGAIN, /* HELLO_AGAIN s for DTLS case */
HELLO_AGAIN_REPLY,
FIRST_REPLY_DONE,
FIRST_REPLY_FIRST,
FIRST_REPLY_SECOND,
FIRST_REPLY_THIRD,
FIRST_REPLY_FOURTH,
FINISHED_DONE,
SECOND_REPLY_DONE
};
/* server accept state for nonblocking restart */
enum AcceptState {
ACCEPT_BEGIN = 0,
ACCEPT_CLIENT_HELLO_DONE,
HELLO_VERIFY_SENT,
ACCEPT_FIRST_REPLY_DONE,
SERVER_HELLO_SENT,
CERT_SENT,
KEY_EXCHANGE_SENT,
CERT_REQ_SENT,
SERVER_HELLO_DONE,
ACCEPT_SECOND_REPLY_DONE,
CHANGE_CIPHER_SENT,
ACCEPT_FINISHED_DONE,
ACCEPT_THIRD_REPLY_DONE
};
typedef struct Buffers {
#ifndef NO_CERTS
buffer certificate; /* CYASSL_CTX owns, unless we own */
buffer key; /* CYASSL_CTX owns, unless we own */
buffer certChain; /* CYASSL_CTX owns, unless we own */
/* chain after self, in DER, with leading size for each cert */
buffer serverDH_P; /* CYASSL_CTX owns, unless we own */
buffer serverDH_G; /* CYASSL_CTX owns, unless we own */
buffer serverDH_Pub;
buffer serverDH_Priv;
#endif
buffer domainName; /* for client check */
bufferStatic inputBuffer;
bufferStatic outputBuffer;
buffer clearOutputBuffer;
int prevSent; /* previous plain text bytes sent
when got WANT_WRITE */
int plainSz; /* plain text bytes in buffer to send
when got WANT_WRITE */
byte weOwnCert; /* SSL own cert flag */
byte weOwnCertChain; /* SSL own cert chain flag */
byte weOwnKey; /* SSL own key flag */
byte weOwnDH; /* SSL own dh (p,g) flag */
#ifdef CYASSL_DTLS
CYASSL_DTLS_CTX dtlsCtx; /* DTLS connection context */
#endif
#ifdef HAVE_PK_CALLBACKS
#ifdef HAVE_ECC
buffer peerEccDsaKey; /* we own for Ecc Verify Callbacks */
#endif /* HAVE_ECC */
#ifndef NO_RSA
buffer peerRsaKey; /* we own for Rsa Verify Callbacks */
#endif /* NO_RSA */
#endif /* HAVE_PK_CALLBACKS */
} Buffers;
typedef struct Options {
byte sessionCacheOff;
byte sessionCacheFlushOff;
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 side; /* client or server end */
byte verifyPeer;
byte verifyNone;
byte failNoCert;
byte downgrade; /* allow downgrade of versions */
byte minDowngrade; /* minimum downgrade version */
byte sendVerify; /* false = 0, true = 1, sendBlank = 2 */
byte resuming;
byte haveSessionId; /* server may not send */
byte tls; /* using TLS ? */
byte tls1_1; /* using TLSv1.1+ ? */
byte dtls; /* using datagrams ? */
byte connReset; /* has the peer reset */
byte isClosed; /* if we consider conn closed */
byte closeNotify; /* we've recieved a close notify */
byte sentNotify; /* we've sent a close notify */
byte connectState; /* nonblocking resume */
byte acceptState; /* nonblocking resume */
byte usingCompression; /* are we using compression */
byte haveRSA; /* RSA available */
byte haveDH; /* server DH parms set by user */
byte haveNTRU; /* server NTRU private key loaded */
byte haveECDSAsig; /* server ECDSA signed cert */
byte haveStaticECC; /* static server ECC private key */
byte havePeerCert; /* do we have peer's cert */
byte havePeerVerify; /* and peer's cert verify */
byte usingPSK_cipher; /* whether we're using psk as cipher */
byte usingAnon_cipher; /* whether we're using an anon cipher */
byte sendAlertState; /* nonblocking resume */
byte processReply; /* nonblocking resume */
byte partialWrite; /* only one msg per write call */
byte quietShutdown; /* don't send close notify */
byte certOnly; /* stop once we get cert */
byte groupMessages; /* group handshake messages */
byte usingNonblock; /* set when using nonblocking socket */
byte saveArrays; /* save array Memory for user get keys
or psk */
#ifdef HAVE_POLY1305
byte oldPoly; /* set when to use old rfc way of poly*/
#endif
#ifndef NO_PSK
byte havePSK; /* psk key set by user */
psk_client_callback client_psk_cb;
psk_server_callback server_psk_cb;
#endif /* NO_PSK */
#ifdef HAVE_ANON
byte haveAnon; /* User wants to allow Anon suites */
#endif /* HAVE_ANON */
} Options;
typedef struct Arrays {
byte clientRandom[RAN_LEN];
byte serverRandom[RAN_LEN];
byte sessionID[ID_LEN];
byte sessionIDSz;
byte preMasterSecret[ENCRYPT_LEN];
byte masterSecret[SECRET_LEN];
#ifdef CYASSL_DTLS
byte cookie[MAX_COOKIE_LEN];
byte cookieSz;
#endif
#ifndef NO_PSK
char client_identity[MAX_PSK_ID_LEN];
char server_hint[MAX_PSK_ID_LEN];
byte psk_key[MAX_PSK_KEY_LEN];
word32 psk_keySz; /* acutal size */
#endif
word32 preMasterSz; /* differs for DH, actual size */
} Arrays;
#ifndef ASN_NAME_MAX
#define ASN_NAME_MAX 256
#endif
#ifndef MAX_DATE_SZ
#define MAX_DATE_SZ 32
#endif
struct CYASSL_X509_NAME {
char *name;
char staticName[ASN_NAME_MAX];
int dynamicName;
int sz;
#ifdef OPENSSL_EXTRA
DecodedName fullName;
#endif /* OPENSSL_EXTRA */
};
#ifndef EXTERNAL_SERIAL_SIZE
#define EXTERNAL_SERIAL_SIZE 32
#endif
#ifdef NO_ASN
typedef struct DNS_entry DNS_entry;
#endif
struct CYASSL_X509 {
int version;
CYASSL_X509_NAME issuer;
CYASSL_X509_NAME subject;
int serialSz;
byte serial[EXTERNAL_SERIAL_SIZE];
char subjectCN[ASN_NAME_MAX]; /* common name short cut */
#ifdef CYASSL_SEP
int deviceTypeSz;
byte deviceType[EXTERNAL_SERIAL_SIZE];
int hwTypeSz;
byte hwType[EXTERNAL_SERIAL_SIZE];
int hwSerialNumSz;
byte hwSerialNum[EXTERNAL_SERIAL_SIZE];
#ifdef OPENSSL_EXTRA
byte certPolicySet;
byte certPolicyCrit;
#endif /* OPENSSL_EXTRA */
#endif
int notBeforeSz;
byte notBefore[MAX_DATE_SZ];
int notAfterSz;
byte notAfter[MAX_DATE_SZ];
int sigOID;
buffer sig;
int pubKeyOID;
buffer pubKey;
#ifdef HAVE_ECC
word32 pkCurveOID;
#endif /* HAVE_ECC */
buffer derCert; /* may need */
DNS_entry* altNames; /* alt names list */
DNS_entry* altNamesNext; /* hint for retrieval */
byte dynamicMemory; /* dynamic memory flag */
byte isCa;
#ifdef OPENSSL_EXTRA
word32 pathLength;
word16 keyUsage;
byte basicConstSet;
byte basicConstCrit;
byte basicConstPlSet;
byte subjAltNameSet;
byte subjAltNameCrit;
byte authKeyIdSet;
byte authKeyIdCrit;
byte* authKeyId;
word32 authKeyIdSz;
byte subjKeyIdSet;
byte subjKeyIdCrit;
byte* subjKeyId;
word32 subjKeyIdSz;
byte keyUsageSet;
byte keyUsageCrit;
#endif /* OPENSSL_EXTRA */
};
/* record layer header for PlainText, Compressed, and CipherText */
typedef struct RecordLayerHeader {
byte type;
byte pvMajor;
byte pvMinor;
byte length[2];
} RecordLayerHeader;
/* record layer header for DTLS PlainText, Compressed, and CipherText */
typedef struct DtlsRecordLayerHeader {
byte type;
byte pvMajor;
byte pvMinor;
byte epoch[2]; /* increment on cipher state change */
byte sequence_number[6]; /* per record */
byte length[2];
} DtlsRecordLayerHeader;
typedef struct DtlsPool {
buffer buf[DTLS_POOL_SZ];
int used;
} DtlsPool;
typedef struct DtlsMsg {
struct DtlsMsg* next;
word32 seq; /* Handshake sequence number */
word32 sz; /* Length of whole mesage */
word32 fragSz; /* Length of fragments received */
byte type;
byte* buf;
byte* msg;
} DtlsMsg;
#ifdef HAVE_NETX
/* NETX I/O Callback default */
typedef struct NetX_Ctx {
NX_TCP_SOCKET* nxSocket; /* send/recv socket handle */
NX_PACKET* nxPacket; /* incoming packet handle for short reads */
ULONG nxOffset; /* offset already read from nxPacket */
ULONG nxWait; /* wait option flag */
} NetX_Ctx;
#endif
/* Handshake messages recevied from peer (plus change cipher */
typedef struct MsgsReceived {
word16 got_hello_request:1;
word16 got_client_hello:1;
word16 got_server_hello:1;
word16 got_hello_verify_request:1;
word16 got_session_ticket:1;
word16 got_certificate:1;
word16 got_server_key_exchange:1;
word16 got_certificate_request:1;
word16 got_server_hello_done:1;
word16 got_certificate_verify:1;
word16 got_client_key_exchange:1;
word16 got_finished:1;
word16 got_change_cipher:1;
} MsgsReceived;
/* CyaSSL ssl type */
struct CYASSL {
CYASSL_CTX* ctx;
int error;
ProtocolVersion version; /* negotiated version */
ProtocolVersion chVersion; /* client hello version */
Suites* suites; /* only need during handshake */
Ciphers encrypt;
Ciphers decrypt;
#ifdef HAVE_ONE_TIME_AUTH
OneTimeAuth auth;
#endif
CipherSpecs specs;
Keys keys;
MsgsReceived msgsReceived; /* peer messages received */
int rfd; /* read file descriptor */
int wfd; /* write file descriptor */
int rflags; /* user read flags */
int wflags; /* user write flags */
CYASSL_BIO* biord; /* socket bio read to free/close */
CYASSL_BIO* biowr; /* socket bio write to free/close */
void* IOCB_ReadCtx;
void* IOCB_WriteCtx;
RNG* rng;
#ifndef NO_OLD_TLS
#ifndef NO_SHA
Sha hashSha; /* sha hash of handshake msgs */
#endif
#ifndef NO_MD5
Md5 hashMd5; /* md5 hash of handshake msgs */
#endif
#endif
#ifndef NO_SHA256
Sha256 hashSha256; /* sha256 hash of handshake msgs */
#endif
#ifdef CYASSL_SHA384
Sha384 hashSha384; /* sha384 hash of handshake msgs */
#endif
Hashes verifyHashes;
Hashes certHashes; /* for cert verify */
Buffers buffers;
Options options;
Arrays* arrays;
CYASSL_SESSION session;
VerifyCallback verifyCallback; /* cert verification callback */
void* verifyCbCtx; /* cert verify callback user ctx*/
#ifndef NO_RSA
RsaKey* peerRsaKey;
byte peerRsaKeyPresent;
#endif
#ifdef HAVE_NTRU
word16 peerNtruKeyLen;
byte peerNtruKey[MAX_NTRU_PUB_KEY_SZ];
byte peerNtruKeyPresent;
#endif
#ifdef HAVE_ECC
ecc_key* peerEccKey; /* peer's ECDHE key */
ecc_key* peerEccDsaKey; /* peer's ECDSA key */
ecc_key* eccTempKey; /* private ECDHE key */
ecc_key* eccDsaKey; /* private ECDSA key */
word16 eccTempKeySz; /* in octets 20 - 66 */
word32 pkCurveOID; /* curve Ecc_Sum */
byte peerEccKeyPresent;
byte peerEccDsaKeyPresent;
byte eccTempKeyPresent;
byte eccDsaKeyPresent;
#endif
hmacfp hmac;
void* heap; /* for user overrides */
RecordLayerHeader curRL;
word16 curSize;
word32 timeout; /* session timeout */
CYASSL_CIPHER cipher;
#ifdef HAVE_LIBZ
z_stream c_stream; /* compression stream */
z_stream d_stream; /* decompression stream */
byte didStreamInit; /* for stream init and end */
#endif
#ifdef CYASSL_DTLS
int dtls_timeout_init; /* starting timeout vaule */
int dtls_timeout_max; /* maximum timeout value */
int dtls_timeout; /* current timeout value, changes */
DtlsPool* dtls_pool;
DtlsMsg* dtls_msg_list;
void* IOCB_CookieCtx; /* gen cookie ctx */
word32 dtls_expected_rx;
#endif
#ifdef CYASSL_CALLBACKS
HandShakeInfo handShakeInfo; /* info saved during handshake */
TimeoutInfo timeoutInfo; /* info saved during handshake */
byte hsInfoOn; /* track handshake info */
byte toInfoOn; /* track timeout info */
#endif
#ifdef HAVE_FUZZER
CallbackFuzzer fuzzerCb; /* for testing with using fuzzer */
void* fuzzerCtx; /* user defined pointer */
#endif
#ifdef KEEP_PEER_CERT
CYASSL_X509 peerCert; /* X509 peer cert */
#endif
#ifdef FORTRESS
void* ex_data[MAX_EX_DATA]; /* external data, for Fortress */
#endif
#ifdef HAVE_CAVIUM
int devId; /* cavium device id to use */
#endif
#ifdef HAVE_TLS_EXTENSIONS
TLSX* extensions; /* RFC 6066 TLS Extensions data */
#ifdef HAVE_MAX_FRAGMENT
word16 max_fragment;
#endif
#ifdef HAVE_TRUNCATED_HMAC
byte truncated_hmac;
#endif
#ifdef HAVE_SECURE_RENEGOTIATION
SecureRenegotiation* secure_renegotiation; /* valid pointer indicates */
#endif /* user turned on */
#if !defined(NO_CYASSL_CLIENT) && defined(HAVE_SESSION_TICKET)
CallbackSessionTicket session_ticket_cb;
void* session_ticket_ctx;
byte expect_session_ticket;
#endif
#endif /* HAVE_TLS_EXTENSIONS */
#ifdef HAVE_NETX
NetX_Ctx nxCtx; /* NetX IO Context */
#endif
#ifdef SESSION_INDEX
int sessionIndex; /* Session's location in the cache. */
#endif
CYASSL_ALERT_HISTORY alert_history;
#ifdef ATOMIC_USER
void* MacEncryptCtx; /* Atomic User Mac/Encrypt Callback Context */
void* DecryptVerifyCtx; /* Atomic User Decrypt/Verify Callback Context */
#endif
#ifdef HAVE_PK_CALLBACKS
#ifdef HAVE_ECC
void* EccSignCtx; /* Ecc Sign Callback Context */
void* EccVerifyCtx; /* Ecc Verify Callback Context */
#endif /* HAVE_ECC */
#ifndef NO_RSA
void* RsaSignCtx; /* Rsa Sign Callback Context */
void* RsaVerifyCtx; /* Rsa Verify Callback Context */
void* RsaEncCtx; /* Rsa Public Encrypt Callback Context */
void* RsaDecCtx; /* Rsa Private Decrypt Callback Context */
#endif /* NO_RSA */
#endif /* HAVE_PK_CALLBACKS */
#ifdef HAVE_SECRET_CALLBACK
SessionSecretCb sessionSecretCb;
void* sessionSecretCtx;
#endif /* HAVE_SECRET_CALLBACK */
};
CYASSL_LOCAL
int InitSSL(CYASSL*, CYASSL_CTX*);
CYASSL_LOCAL
void FreeSSL(CYASSL*);
CYASSL_API void SSL_ResourceFree(CYASSL*); /* 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 */
CYASSL_CTX* ctx; /* CTX owner */
} EncryptedInfo;
#ifndef NO_CERTS
CYASSL_LOCAL int PemToDer(const unsigned char* buff, long sz, int type,
buffer* der, void* heap, EncryptedInfo* info,
int* eccKey);
CYASSL_LOCAL int ProcessFile(CYASSL_CTX* ctx, const char* fname, int format,
int type, CYASSL* ssl, int userChain,
CYASSL_CRL* crl);
#endif
#ifdef CYASSL_CALLBACKS
CYASSL_LOCAL
void InitHandShakeInfo(HandShakeInfo*);
CYASSL_LOCAL
void FinishHandShakeInfo(HandShakeInfo*, const CYASSL*);
CYASSL_LOCAL
void AddPacketName(const char*, HandShakeInfo*);
CYASSL_LOCAL
void InitTimeoutInfo(TimeoutInfo*);
CYASSL_LOCAL
void FreeTimeoutInfo(TimeoutInfo*, void*);
CYASSL_LOCAL
void AddPacketInfo(const char*, TimeoutInfo*, const byte*, int, void*);
CYASSL_LOCAL
void AddLateName(const char*, TimeoutInfo*);
CYASSL_LOCAL
void AddLateRecordHeader(const RecordLayerHeader* rl, TimeoutInfo* info);
#endif
/* Record Layer Header identifier from page 12 */
enum ContentType {
no_type = 0,
change_cipher_spec = 20,
alert = 21,
handshake = 22,
application_data = 23
};
/* handshake header, same for each message type, pgs 20/21 */
typedef struct HandShakeHeader {
byte type;
word24 length;
} HandShakeHeader;
/* DTLS handshake header, same for each message type */
typedef struct DtlsHandShakeHeader {
byte type;
word24 length;
byte message_seq[2]; /* start at 0, restransmit gets same # */
word24 fragment_offset; /* bytes in previous fragments */
word24 fragment_length; /* length of this fragment */
} DtlsHandShakeHeader;
enum HandShakeType {
no_shake = -1,
hello_request = 0,
client_hello = 1,
server_hello = 2,
hello_verify_request = 3, /* DTLS addition */
session_ticket = 4,
certificate = 11,
server_key_exchange = 12,
certificate_request = 13,
server_hello_done = 14,
certificate_verify = 15,
client_key_exchange = 16,
finished = 20,
change_cipher_hs = 55 /* simulate unique handshake type for sanity
checks. record layer change_cipher
conflicts with handshake finished */
};
static const byte client[SIZEOF_SENDER] = { 0x43, 0x4C, 0x4E, 0x54 };
static const byte server[SIZEOF_SENDER] = { 0x53, 0x52, 0x56, 0x52 };
static const byte tls_client[FINISHED_LABEL_SZ + 1] = "client finished";
static const byte tls_server[FINISHED_LABEL_SZ + 1] = "server finished";
/* internal functions */
CYASSL_LOCAL int SendChangeCipher(CYASSL*);
CYASSL_LOCAL int SendData(CYASSL*, const void*, int);
CYASSL_LOCAL int SendCertificate(CYASSL*);
CYASSL_LOCAL int SendCertificateRequest(CYASSL*);
CYASSL_LOCAL int SendServerKeyExchange(CYASSL*);
CYASSL_LOCAL int SendBuffered(CYASSL*);
CYASSL_LOCAL int ReceiveData(CYASSL*, byte*, int, int);
CYASSL_LOCAL int SendFinished(CYASSL*);
CYASSL_LOCAL int SendAlert(CYASSL*, int, int);
CYASSL_LOCAL int ProcessReply(CYASSL*);
CYASSL_LOCAL int SetCipherSpecs(CYASSL*);
CYASSL_LOCAL int MakeMasterSecret(CYASSL*);
CYASSL_LOCAL int AddSession(CYASSL*);
CYASSL_LOCAL int DeriveKeys(CYASSL* ssl);
CYASSL_LOCAL int StoreKeys(CYASSL* ssl, const byte* keyData);
CYASSL_LOCAL int IsTLS(const CYASSL* ssl);
CYASSL_LOCAL int IsAtLeastTLSv1_2(const CYASSL* ssl);
CYASSL_LOCAL void FreeHandshakeResources(CYASSL* ssl);
CYASSL_LOCAL void ShrinkInputBuffer(CYASSL* ssl, int forcedFree);
CYASSL_LOCAL void ShrinkOutputBuffer(CYASSL* ssl);
CYASSL_LOCAL int VerifyClientSuite(CYASSL* ssl);
#ifndef NO_CERTS
CYASSL_LOCAL Signer* GetCA(void* cm, byte* hash);
#ifndef NO_SKID
CYASSL_LOCAL Signer* GetCAByName(void* cm, byte* hash);
#endif
#endif
CYASSL_LOCAL int BuildTlsFinished(CYASSL* ssl, Hashes* hashes,
const byte* sender);
CYASSL_LOCAL void FreeArrays(CYASSL* ssl, int keep);
CYASSL_LOCAL int CheckAvailableSize(CYASSL *ssl, int size);
CYASSL_LOCAL int GrowInputBuffer(CYASSL* ssl, int size, int usedLength);
#ifndef NO_TLS
CYASSL_LOCAL int MakeTlsMasterSecret(CYASSL*);
CYASSL_LOCAL int TLS_hmac(CYASSL* ssl, byte* digest, const byte* in,
word32 sz, int content, int verify);
#endif
#ifndef NO_CYASSL_CLIENT
CYASSL_LOCAL int SendClientHello(CYASSL*);
CYASSL_LOCAL int SendClientKeyExchange(CYASSL*);
CYASSL_LOCAL int SendCertificateVerify(CYASSL*);
#endif /* NO_CYASSL_CLIENT */
#ifndef NO_CYASSL_SERVER
CYASSL_LOCAL int SendServerHello(CYASSL*);
CYASSL_LOCAL int SendServerHelloDone(CYASSL*);
#ifdef CYASSL_DTLS
CYASSL_LOCAL int SendHelloVerifyRequest(CYASSL*);
#endif
#endif /* NO_CYASSL_SERVER */
#ifdef CYASSL_DTLS
CYASSL_LOCAL int DtlsPoolInit(CYASSL*);
CYASSL_LOCAL int DtlsPoolSave(CYASSL*, const byte*, int);
CYASSL_LOCAL int DtlsPoolTimeout(CYASSL*);
CYASSL_LOCAL int DtlsPoolSend(CYASSL*);
CYASSL_LOCAL void DtlsPoolReset(CYASSL*);
CYASSL_LOCAL DtlsMsg* DtlsMsgNew(word32, void*);
CYASSL_LOCAL void DtlsMsgDelete(DtlsMsg*, void*);
CYASSL_LOCAL void DtlsMsgListDelete(DtlsMsg*, void*);
CYASSL_LOCAL void DtlsMsgSet(DtlsMsg*, word32, const byte*, byte,
word32, word32);
CYASSL_LOCAL DtlsMsg* DtlsMsgFind(DtlsMsg*, word32);
CYASSL_LOCAL DtlsMsg* DtlsMsgStore(DtlsMsg*, word32, const byte*, word32,
byte, word32, word32, void*);
CYASSL_LOCAL DtlsMsg* DtlsMsgInsert(DtlsMsg*, DtlsMsg*);
#endif /* CYASSL_DTLS */
#ifndef NO_TLS
#endif /* NO_TLS */
CYASSL_LOCAL word32 LowResTimer(void);
CYASSL_LOCAL void InitX509Name(CYASSL_X509_NAME*, int);
CYASSL_LOCAL void FreeX509Name(CYASSL_X509_NAME* name);
CYASSL_LOCAL void InitX509(CYASSL_X509*, int);
CYASSL_LOCAL void FreeX509(CYASSL_X509*);
#ifndef NO_CERTS
CYASSL_LOCAL int CopyDecodedToX509(CYASSL_X509*, DecodedCert*);
#endif
/* used by ssl.c and cyassl_int.c */
CYASSL_LOCAL void c32to24(word32 in, word24 out);
CYASSL_LOCAL const char* const* GetCipherNames(void);
CYASSL_LOCAL int GetCipherNamesSize(void);
enum encrypt_side {
ENCRYPT_SIDE_ONLY = 1,
DECRYPT_SIDE_ONLY,
ENCRYPT_AND_DECRYPT_SIDE
};
CYASSL_LOCAL int SetKeysSide(CYASSL*, enum encrypt_side);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* CyaSSL_INT_H */