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-rw-r--r--src/libtls/tls_crypto.c94
1 files changed, 58 insertions, 36 deletions
diff --git a/src/libtls/tls_crypto.c b/src/libtls/tls_crypto.c
index d2d8885ca..f95b78ea2 100644
--- a/src/libtls/tls_crypto.c
+++ b/src/libtls/tls_crypto.c
@@ -397,9 +397,10 @@ struct private_tls_crypto_t {
typedef struct {
tls_cipher_suite_t suite;
+ key_type_t key;
+ diffie_hellman_group_t dh;
hash_algorithm_t hash;
pseudo_random_function_t prf;
- diffie_hellman_group_t dh;
integrity_algorithm_t mac;
encryption_algorithm_t encr;
size_t encr_size;
@@ -410,87 +411,108 @@ typedef struct {
*/
static suite_algs_t suite_algs[] = {
{ TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_2048_BIT,
+ KEY_RSA, MODP_2048_BIT,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_AES_CBC, 16
},
{ TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
- HASH_SHA256, PRF_HMAC_SHA2_256, MODP_3072_BIT,
+ KEY_RSA, MODP_3072_BIT,
+ HASH_SHA256, PRF_HMAC_SHA2_256,
AUTH_HMAC_SHA2_256_256, ENCR_AES_CBC, 16
},
{ TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_3072_BIT,
+ KEY_RSA, MODP_3072_BIT,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_AES_CBC, 32
},
{ TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
- HASH_SHA256, PRF_HMAC_SHA2_256, MODP_4096_BIT,
+ KEY_RSA, MODP_4096_BIT,
+ HASH_SHA256, PRF_HMAC_SHA2_256,
AUTH_HMAC_SHA2_256_256, ENCR_AES_CBC, 32
},
{ TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_2048_BIT,
+ KEY_RSA, MODP_2048_BIT,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_CAMELLIA_CBC, 16
},
{ TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
- HASH_SHA256, PRF_HMAC_SHA2_256, MODP_3072_BIT,
+ KEY_RSA, MODP_3072_BIT,
+ HASH_SHA256, PRF_HMAC_SHA2_256,
AUTH_HMAC_SHA2_256_256, ENCR_CAMELLIA_CBC, 16
},
{ TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_3072_BIT,
+ KEY_RSA, MODP_3072_BIT,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_CAMELLIA_CBC, 32
},
{ TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256,
- HASH_SHA256, PRF_HMAC_SHA2_256, MODP_4096_BIT,
+ KEY_RSA, MODP_4096_BIT,
+ HASH_SHA256, PRF_HMAC_SHA2_256,
AUTH_HMAC_SHA2_256_256, ENCR_CAMELLIA_CBC, 32
},
{ TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_2048_BIT,
+ KEY_RSA, MODP_2048_BIT,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_3DES, 0
},
{ TLS_RSA_WITH_AES_128_CBC_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_AES_CBC, 16
},
{ TLS_RSA_WITH_AES_128_CBC_SHA256,
- HASH_SHA256, PRF_HMAC_SHA2_256, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA256, PRF_HMAC_SHA2_256,
AUTH_HMAC_SHA2_256_256, ENCR_AES_CBC, 16
},
{ TLS_RSA_WITH_AES_256_CBC_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_AES_CBC, 32
},
{ TLS_RSA_WITH_AES_256_CBC_SHA256,
- HASH_SHA256, PRF_HMAC_SHA2_256, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA256, PRF_HMAC_SHA2_256,
AUTH_HMAC_SHA2_256_256, ENCR_AES_CBC, 32
},
{ TLS_RSA_WITH_CAMELLIA_128_CBC_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_CAMELLIA_CBC, 16
},
{ TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256,
- HASH_SHA256, PRF_HMAC_SHA2_256, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA256, PRF_HMAC_SHA2_256,
AUTH_HMAC_SHA2_256_256, ENCR_CAMELLIA_CBC, 16
},
{ TLS_RSA_WITH_CAMELLIA_256_CBC_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_CAMELLIA_CBC, 32
},
{ TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256,
- HASH_SHA256, PRF_HMAC_SHA2_256, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA256, PRF_HMAC_SHA2_256,
AUTH_HMAC_SHA2_256_256, ENCR_CAMELLIA_CBC, 32
},
{ TLS_RSA_WITH_3DES_EDE_CBC_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_3DES, 0
},
{ TLS_RSA_WITH_NULL_SHA,
- HASH_SHA1, PRF_HMAC_SHA1, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA1, PRF_HMAC_SHA1,
AUTH_HMAC_SHA1_160, ENCR_NULL, 0
},
{ TLS_RSA_WITH_NULL_SHA256,
- HASH_SHA256, PRF_HMAC_SHA2_256, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_SHA256, PRF_HMAC_SHA2_256,
AUTH_HMAC_SHA2_256_256, ENCR_NULL, 0
},
{ TLS_RSA_WITH_NULL_MD5,
- HASH_MD5, PRF_HMAC_MD5, MODP_NONE,
+ KEY_RSA, MODP_NONE,
+ HASH_MD5, PRF_HMAC_MD5,
AUTH_HMAC_MD5_128, ENCR_NULL, 0
},
};
@@ -614,17 +636,8 @@ METHOD(tls_crypto_t, get_cipher_suites, int,
/**
* Create crypto primitives
*/
-static bool create_ciphers(private_tls_crypto_t *this, tls_cipher_suite_t suite)
+static bool create_ciphers(private_tls_crypto_t *this, suite_algs_t *algs)
{
- suite_algs_t *algs;
-
- algs = find_suite(suite);
- if (!algs)
- {
- DBG1(DBG_TLS, "selected TLS suite not supported");
- return FALSE;
- }
-
DESTROY_IF(this->prf);
if (this->tls->get_version(this->tls) < TLS_1_2)
{
@@ -674,8 +687,10 @@ static bool create_ciphers(private_tls_crypto_t *this, tls_cipher_suite_t suite)
}
METHOD(tls_crypto_t, select_cipher_suite, tls_cipher_suite_t,
- private_tls_crypto_t *this, tls_cipher_suite_t *suites, int count)
+ private_tls_crypto_t *this, tls_cipher_suite_t *suites, int count,
+ key_type_t key)
{
+ suite_algs_t *algs;
int i, j;
for (i = 0; i < this->suite_count; i++)
@@ -684,10 +699,17 @@ METHOD(tls_crypto_t, select_cipher_suite, tls_cipher_suite_t,
{
if (this->suites[i] == suites[j])
{
- if (create_ciphers(this, this->suites[i]))
+ algs = find_suite(this->suites[i]);
+ if (algs)
{
- this->suite = this->suites[i];
- return this->suite;
+ if (key == KEY_ANY || key == algs->key)
+ {
+ if (create_ciphers(this, algs))
+ {
+ this->suite = this->suites[i];
+ return this->suite;
+ }
+ }
}
}
}