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Add TLS 1.3 ciphersuites

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Signed-off-by: Hanno Becker <hanno.becker@arm.com>
This commit is contained in:
Hanno Becker 2021-07-23 19:24:23 +01:00
parent 2aec149e13
commit 8ca26923eb
2 changed files with 63 additions and 0 deletions
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7
include/mbedtls/ssl_ciphersuites.h
View file

@ -256,6 +256,13 @@ extern "C" {
#define MBEDTLS_TLS_DHE_PSK_WITH_CHACHA20_POLY1305_SHA256 0xCCAD /**< TLS 1.2 */
#define MBEDTLS_TLS_RSA_PSK_WITH_CHACHA20_POLY1305_SHA256 0xCCAE /**< TLS 1.2 */
/* RFC 8446, Appendix B.4 */
#define MBEDTLS_TLS1_3_AES_128_GCM_SHA256 0x1301 /**< TLS 1.3 */
#define MBEDTLS_TLS1_3_AES_256_GCM_SHA384 0x1302 /**< TLS 1.3 */
#define MBEDTLS_TLS1_3_CHACHA20_POLY1305_SHA256 0x1303 /**< TLS 1.3 */
#define MBEDTLS_TLS1_3_AES_128_CCM_SHA256 0x1304 /**< TLS 1.3 */
#define MBEDTLS_TLS1_3_AES_128_CCM_8_SHA256 0x1305 /**< TLS 1.3 */
/* Reminder: update mbedtls_ssl_premaster_secret when adding a new key exchange.
* Reminder: update MBEDTLS_KEY_EXCHANGE__xxx below
*/

56
library/ssl_ciphersuites.c
View file

@ -52,6 +52,15 @@ static const int ciphersuite_preference[] =
#if defined(MBEDTLS_SSL_CIPHERSUITES)
MBEDTLS_SSL_CIPHERSUITES,
#else
#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
/* TLS 1.3 ciphersuites */
MBEDTLS_TLS1_3_AES_128_GCM_SHA256,
MBEDTLS_TLS1_3_AES_256_GCM_SHA384,
MBEDTLS_TLS1_3_CHACHA20_POLY1305_SHA256,
MBEDTLS_TLS1_3_AES_128_CCM_SHA256,
MBEDTLS_TLS1_3_AES_128_CCM_8_SHA256,
#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
/* Chacha-Poly ephemeral suites */
MBEDTLS_TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
MBEDTLS_TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
@ -283,6 +292,53 @@ static const int ciphersuite_preference[] =
static const mbedtls_ssl_ciphersuite_t ciphersuite_definitions[] =
{
#if defined(MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL)
#if defined(MBEDTLS_AES_C)
#if defined(MBEDTLS_GCM_C)
#if defined(MBEDTLS_SHA512_C)
{ MBEDTLS_TLS1_3_AES_256_GCM_SHA384, "TLS1-3-AES-256-GCM-SHA384",
MBEDTLS_CIPHER_AES_256_GCM, MBEDTLS_MD_SHA384,
MBEDTLS_KEY_EXCHANGE_NONE, /* Key exchange not part of ciphersuite in TLS 1.3 */
MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_4,
MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_4,
0 },
#endif /* MBEDTLS_SHA512_C */
#if defined(MBEDTLS_SHA256_C)
{ MBEDTLS_TLS1_3_AES_128_GCM_SHA256, "TLS1-3-AES-128-GCM-SHA256",
MBEDTLS_CIPHER_AES_128_GCM, MBEDTLS_MD_SHA256,
MBEDTLS_KEY_EXCHANGE_NONE, /* Key exchange not part of ciphersuite in TLS 1.3 */
MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_4,
MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_4,
0 },
#endif /* MBEDTLS_SHA256_C */
#endif /* MBEDTLS_GCM_C */
#if defined(MBEDTLS_CCM_C) && defined(MBEDTLS_SHA256_C)
{ MBEDTLS_TLS1_3_AES_128_CCM_SHA256, "TLS1-3-AES-128-CCM-SHA256",
MBEDTLS_CIPHER_AES_128_CCM, MBEDTLS_MD_SHA256,
MBEDTLS_KEY_EXCHANGE_NONE, /* Key exchange not part of ciphersuite in TLS 1.3 */
MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_4,
MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_4,
0 },
{ MBEDTLS_TLS1_3_AES_128_CCM_8_SHA256, "TLS1-3-AES-128-CCM-8-SHA256",
MBEDTLS_CIPHER_AES_128_CCM, MBEDTLS_MD_SHA256,
MBEDTLS_KEY_EXCHANGE_NONE, /* Key exchange not part of ciphersuite in TLS 1.3 */
MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_4,
MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_4,
MBEDTLS_CIPHERSUITE_SHORT_TAG },
#endif /* MBEDTLS_SHA256_C && MBEDTLS_CCM_C */
#endif /* MBEDTLS_AES_C */
#if defined(MBEDTLS_CHACHAPOLY_C) && defined(MBEDTLS_SHA256_C)
{ MBEDTLS_TLS1_3_CHACHA20_POLY1305_SHA256,
"TLS1-3-CHACHA20-POLY1305-SHA256",
MBEDTLS_CIPHER_CHACHA20_POLY1305, MBEDTLS_MD_SHA256,
MBEDTLS_KEY_EXCHANGE_NONE, /* Key exchange not part of ciphersuite in TLS 1.3 */
MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_4,
MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_4,
0 // field not used in TLS 1.3 implementation
},
#endif /* MBEDTLS_CHACHAPOLY_C && MBEDTLS_SHA256_C */
#endif /* MBEDTLS_SSL_PROTO_TLS1_3_EXPERIMENTAL */
#if defined(MBEDTLS_CHACHAPOLY_C) && \
defined(MBEDTLS_SHA256_C) && \
defined(MBEDTLS_SSL_PROTO_TLS1_2)