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Declare ECDSA key exchange and ciphersuites

Browse source 
Also fix bug in ssl_list_ciphersuites().

For now, disable it on server.
Client will offer it but fail if server selects it.
This commit is contained in:
Manuel Pégourié-Gonnard 2013-08-17 17:39:04 +02:00
parent 0b03200e96
commit 32ea60a127
4 changed files with 152 additions and 7 deletions
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107
library/ssl_ciphersuites.c
View file

@ -40,34 +40,44 @@
static const int ciphersuite_preference[] =
{
/* All AES-256 ephemeral suites */
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
TLS_DHE_RSA_WITH_AES_256_GCM_SHA384,
TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
/* All CAMELLIA-256 ephemeral suites */
TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384,
TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384,
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256,
TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
/* All AES-128 ephemeral suites */
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
/* All CAMELLIA-128 ephemeral suites */
TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
/* All remaining > 128-bit ephemeral suites */
TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA,
TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA,
TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
TLS_ECDHE_RSA_WITH_RC4_128_SHA,
/* The PSK ephemeral suites */
@ -132,6 +142,7 @@ static const int ciphersuite_preference[] =
/* Weak or NULL suites */
TLS_DHE_RSA_WITH_DES_CBC_SHA,
TLS_RSA_WITH_DES_CBC_SHA,
TLS_ECDHE_ECDSA_WITH_NULL_SHA,
TLS_ECDHE_RSA_WITH_NULL_SHA,
TLS_RSA_WITH_NULL_SHA256,
TLS_RSA_WITH_NULL_SHA,
@ -155,6 +166,90 @@ static int supported_init = 0;
static const ssl_ciphersuite_t ciphersuite_definitions[] =
{
#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
#if defined(POLARSSL_AES_C)
{ TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, "TLS-ECDHE-ECDSA-WITH-AES-128-CBC-SHA",
POLARSSL_CIPHER_AES_128_CBC, POLARSSL_MD_SHA1, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC },
{ TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, "TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA",
POLARSSL_CIPHER_AES_256_CBC, POLARSSL_MD_SHA1, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC },
#if defined(POLARSSL_SHA256_C)
{ TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, "TLS-ECDHE-ECDSA-WITH-AES-128-CBC-SHA256",
POLARSSL_CIPHER_AES_128_CBC, POLARSSL_MD_SHA256, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC },
#if defined(POLARSSL_GCM_C)
{ TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, "TLS-ECDHE-ECDSA-WITH-AES-128-GCM-SHA256",
POLARSSL_CIPHER_AES_128_GCM, POLARSSL_MD_SHA256, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC },
#endif /* POLARSSL_GCM_C */
#endif /* POLARSSL_SHA256_C */
#if defined(POLARSSL_SHA512_C)
{ TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, "TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA384",
POLARSSL_CIPHER_AES_256_CBC, POLARSSL_MD_SHA384, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC },
#if defined(POLARSSL_GCM_C)
{ TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, "TLS-ECDHE-ECDSA-WITH-AES-256-GCM-SHA384",
POLARSSL_CIPHER_AES_256_GCM, POLARSSL_MD_SHA384, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC },
#endif /* POLARSSL_GCM_C */
#endif /* POLARSSL_SHA512_C */
#endif /* POLARSSL_AES_C */
#if defined(POLARSSL_CAMELLIA_C)
#if defined(POLARSSL_SHA256_C)
{ TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256, "TLS-ECDHE-ECDSA-WITH-CAMELLIA-128-CBC-SHA256",
POLARSSL_CIPHER_CAMELLIA_128_CBC, POLARSSL_MD_SHA256, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC },
#endif /* POLARSSL_SHA256_C */
#if defined(POLARSSL_SHA512_C)
{ TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384, "TLS-ECDHE-ECDSA-WITH-CAMELLIA-256-CBC-SHA384",
POLARSSL_CIPHER_CAMELLIA_256_CBC, POLARSSL_MD_SHA384, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC },
#endif /* POLARSSL_SHA512_C */
#endif /* POLARSSL_CAMELLIA_C */
#if defined(POLARSSL_DES_C)
{ TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA, "TLS-ECDHE-ECDSA-WITH-3DES-EDE-CBC-SHA",
POLARSSL_CIPHER_DES_EDE3_CBC, POLARSSL_MD_SHA1, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC },
#endif /* POLARSSL_DES_C */
#if defined(POLARSSL_ARC4_C)
{ TLS_ECDHE_ECDSA_WITH_RC4_128_SHA, "TLS-ECDHE-ECDSA-WITH-RC4-128-SHA",
POLARSSL_CIPHER_ARC4_128, POLARSSL_MD_SHA1, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC },
#endif /* POLARSSL_ARC4_C */
#if defined(POLARSSL_CIPHER_NULL_CIPHER)
{ TLS_ECDHE_ECDSA_WITH_NULL_SHA, "TLS-ECDHE-ECDSA-WITH-NULL-SHA",
POLARSSL_CIPHER_NULL, POLARSSL_MD_SHA1, POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_1,
SSL_MAJOR_VERSION_3, SSL_MINOR_VERSION_3,
POLARSSL_CIPHERSUITE_EC | POLARSSL_CIPHERSUITE_WEAK },
#endif /* POLARSSL_CIPHER_NULL_CIPHER */
#endif /* POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED)
#if defined(POLARSSL_AES_C)
{ TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, "TLS-ECDHE-RSA-WITH-AES-128-CBC-SHA",
@ -746,16 +841,18 @@ const int *ssl_list_ciphersuites( void )
{
const int *p = ciphersuite_preference;
int *q = supported_ciphersuites;
size_t i;
size_t max = sizeof(supported_ciphersuites) / sizeof(int);
memset( supported_ciphersuites, 0x00, sizeof(supported_ciphersuites) );
while( *p != 0 )
/* Leave room for a final 0 */
for( i = 0; i < max - 1 && p[i] != 0; i++ )
{
if( ssl_ciphersuite_from_id( *p ) != NULL )
*(q++) = *p;
p++;
if( ssl_ciphersuite_from_id( p[i] ) != NULL )
*(q++) = p[i];
}
supported_init = 1;
}