Rename Suite B functions for consistency.

[openssl.git] / ssl / s3_clnt.c

diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c
index 11ffabb460c335791c00483defad9326c4479717..5adbb50485b435f91b24099afbea91c321cdd8b4 100644 (file)
--- a/ssl/s3_clnt.c
+++ b/ssl/s3_clnt.c
@@ -1750,25 +1750,12 @@ int ssl3_get_key_exchange(SSL *s)
                {
                if (TLS1_get_version(s) >= TLS1_2_VERSION)
                        {
-                       int sigalg = tls12_get_sigid(pkey);
-                       /* Should never happen */
-                       if (sigalg == -1)
-                               {
-                               SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
+                       int rv = tls12_check_peer_sigalg(&md, s, p, pkey);
+                       if (rv == -1)
                                goto err;
-                               }
-                       /* Check key type is consistent with signature */
-                       if (sigalg != (int)p[1])
-                               {
-                               SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_WRONG_SIGNATURE_TYPE);
-                               al=SSL_AD_DECODE_ERROR;
-                               goto f_err;
-                               }
-                       md = tls12_get_hash(p[0]);
-                       if (md == NULL)
+                       else if (rv == 0)
                                {
-                               SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_UNKNOWN_DIGEST);
-                               al=SSL_AD_DECODE_ERROR;
+                               al = SSL_AD_DECODE_ERROR;
                                goto f_err;
                                }
 #ifdef SSL_DEBUG
@@ -1976,6 +1963,12 @@ int ssl3_get_certificate_request(SSL *s)
                        SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST,SSL_R_DATA_LENGTH_TOO_LONG);
                        goto err;
                        }
+               /* Clear certificate digests and validity flags */
+               for (i = 0; i < SSL_PKEY_NUM; i++)
+                       {
+                       s->cert->pkeys[i].digest = NULL;
+                       s->cert->pkeys[i].valid_flags = 0;
+                       }
                if ((llen & 1) || !tls1_process_sigalgs(s, p, llen))
                        {
                        ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECODE_ERROR);
@@ -3161,13 +3154,17 @@ err:
        }
 
 /* Check a certificate can be used for client authentication. Currently
- * just check cert exists and if static DH client certificates can be used.
+ * check cert exists, if we have a suitable digest for TLS 1.2  and if
+ * static DH client certificates can be used.
  */
 static int ssl3_check_client_certificate(SSL *s)
        {
        unsigned long alg_k;
        if (!s->cert || !s->cert->key->x509 || !s->cert->key->privatekey)
                return 0;
+       /* If no suitable signature algorithm can't use certificate */
+       if (TLS1_get_version(s) >= TLS1_2_VERSION && !s->cert->key->digest)
+               return 0;
        alg_k=s->s3->tmp.new_cipher->algorithm_mkey;
        /* See if we can use client certificate for fixed DH */
        if (alg_k & (SSL_kDHr|SSL_kDHd))