diff options
Diffstat (limited to 'openssl/ssl/s3_srvr.c')
| -rw-r--r-- | openssl/ssl/s3_srvr.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/openssl/ssl/s3_srvr.c b/openssl/ssl/s3_srvr.c index 92f73b668..514f72c97 100644 --- a/openssl/ssl/s3_srvr.c +++ b/openssl/ssl/s3_srvr.c @@ -985,6 +985,10 @@ int ssl3_get_client_hello(SSL *s) break; } } +/* Disabled because it can be used in a ciphersuite downgrade + * attack: CVE-2010-4180. + */ +#if 0 if (j == 0 && (s->options & SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG) && (sk_SSL_CIPHER_num(ciphers) == 1)) { /* Special case as client bug workaround: the previously used cipher may @@ -999,6 +1003,7 @@ int ssl3_get_client_hello(SSL *s) j = 1; } } +#endif if (j == 0) { /* we need to have the cipher in the cipher @@ -2579,12 +2584,19 @@ int ssl3_get_client_key_exchange(SSL *s) { int ret = 0; EVP_PKEY_CTX *pkey_ctx; - EVP_PKEY *client_pub_pkey = NULL; + EVP_PKEY *client_pub_pkey = NULL, *pk = NULL; unsigned char premaster_secret[32], *start; - size_t outlen=32, inlen; + size_t outlen=32, inlen; + unsigned long alg_a; /* Get our certificate private key*/ - pkey_ctx = EVP_PKEY_CTX_new(s->cert->key->privatekey,NULL); + alg_a = s->s3->tmp.new_cipher->algorithm_auth; + if (alg_a & SSL_aGOST94) + pk = s->cert->pkeys[SSL_PKEY_GOST94].privatekey; + else if (alg_a & SSL_aGOST01) + pk = s->cert->pkeys[SSL_PKEY_GOST01].privatekey; + + pkey_ctx = EVP_PKEY_CTX_new(pk,NULL); EVP_PKEY_decrypt_init(pkey_ctx); /* If client certificate is present and is of the same type, maybe * use it for key exchange. Don't mind errors from |