Updatde from stable branch.
[openssl.git] / ssl / s3_clnt.c
index 4f67cda042b2b7dff034e5d673a73bc881b91d38..5d8908657137512f5056bd99e9f4acae48402736 100644 (file)
@@ -56,7 +56,7 @@
  * [including the GNU Public Licence.]
  */
 /* ====================================================================
- * Copyright (c) 1998-2003 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1998-2007 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * Vipul Gupta and Sumit Gupta of Sun Microsystems Laboratories.
  *
  */
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
 
 #include <stdio.h>
 #include "ssl_locl.h"
 #include <openssl/dh.h>
 #endif
 #include <openssl/bn.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif
 
-static SSL_METHOD *ssl3_get_client_method(int ver);
+static const SSL_METHOD *ssl3_get_client_method(int ver);
 static int ca_dn_cmp(const X509_NAME * const *a,const X509_NAME * const *b);
-
-#ifndef OPENSSL_NO_ECDH
-static int curve_id2nid(int curve_id);
-int check_srvr_ecc_cert_and_alg(X509 *x, SSL_CIPHER *cs);
+#ifndef OPENSSL_NO_TLSEXT
+static int ssl3_check_finished(SSL *s);
 #endif
 
-static SSL_METHOD *ssl3_get_client_method(int ver)
+static const SSL_METHOD *ssl3_get_client_method(int ver)
        {
        if (ver == SSL3_VERSION)
                return(SSLv3_client_method());
@@ -151,33 +178,15 @@ static SSL_METHOD *ssl3_get_client_method(int ver)
                return(NULL);
        }
 
-SSL_METHOD *SSLv3_client_method(void)
-       {
-       static int init=1;
-       static SSL_METHOD SSLv3_client_data;
-
-       if (init)
-               {
-               CRYPTO_w_lock(CRYPTO_LOCK_SSL_METHOD);
-
-               if (init)
-                       {
-                       memcpy((char *)&SSLv3_client_data,(char *)sslv3_base_method(),
-                               sizeof(SSL_METHOD));
-                       SSLv3_client_data.ssl_connect=ssl3_connect;
-                       SSLv3_client_data.get_ssl_method=ssl3_get_client_method;
-                       init=0;
-                       }
-
-               CRYPTO_w_unlock(CRYPTO_LOCK_SSL_METHOD);
-               }
-       return(&SSLv3_client_data);
-       }
+IMPLEMENT_ssl3_meth_func(SSLv3_client_method,
+                       ssl_undefined_function,
+                       ssl3_connect,
+                       ssl3_get_client_method)
 
 int ssl3_connect(SSL *s)
        {
        BUF_MEM *buf=NULL;
-       unsigned long Time=time(NULL),l;
+       unsigned long Time=(unsigned long)time(NULL);
        long num1;
        void (*cb)(const SSL *ssl,int type,int val)=NULL;
        int ret= -1;
@@ -273,6 +282,7 @@ int ssl3_connect(SSL *s)
                case SSL3_ST_CR_SRVR_HELLO_B:
                        ret=ssl3_get_server_hello(s);
                        if (ret <= 0) goto end;
+
                        if (s->hit)
                                s->state=SSL3_ST_CR_FINISHED_A;
                        else
@@ -282,15 +292,45 @@ int ssl3_connect(SSL *s)
 
                case SSL3_ST_CR_CERT_A:
                case SSL3_ST_CR_CERT_B:
+#ifndef OPENSSL_NO_TLSEXT
+                       ret=ssl3_check_finished(s);
+                       if (ret <= 0) goto end;
+                       if (ret == 2)
+                               {
+                               s->hit = 1;
+                               if (s->tlsext_ticket_expected)
+                                       s->state=SSL3_ST_CR_SESSION_TICKET_A;
+                               else
+                                       s->state=SSL3_ST_CR_FINISHED_A;
+                               s->init_num=0;
+                               break;
+                               }
+#endif
                        /* Check if it is anon DH/ECDH */
-                       if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL))
+                       /* or PSK */
+                       if (!(s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL) &&
+                           !(s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK))
                                {
                                ret=ssl3_get_server_certificate(s);
                                if (ret <= 0) goto end;
+#ifndef OPENSSL_NO_TLSEXT
+                               if (s->tlsext_status_expected)
+                                       s->state=SSL3_ST_CR_CERT_STATUS_A;
+                               else
+                                       s->state=SSL3_ST_CR_KEY_EXCH_A;
+                               }
+                       else
+                               {
+                               skip = 1;
+                               s->state=SSL3_ST_CR_KEY_EXCH_A;
+                               }
+#else
                                }
                        else
                                skip=1;
+
                        s->state=SSL3_ST_CR_KEY_EXCH_A;
+#endif
                        s->init_num=0;
                        break;
 
@@ -344,7 +384,6 @@ int ssl3_connect(SSL *s)
                case SSL3_ST_CW_KEY_EXCH_B:
                        ret=ssl3_send_client_key_exchange(s);
                        if (ret <= 0) goto end;
-                       l=s->s3->tmp.new_cipher->algorithms;
                        /* EAY EAY EAY need to check for DH fix cert
                         * sent back */
                        /* For TLS, cert_req is set to 2, so a cert chain
@@ -387,11 +426,15 @@ int ssl3_connect(SSL *s)
                        s->init_num=0;
 
                        s->session->cipher=s->s3->tmp.new_cipher;
+#ifdef OPENSSL_NO_COMP
+                       s->session->compress_meth=0;
+#else
                        if (s->s3->tmp.new_compression == NULL)
                                s->session->compress_meth=0;
                        else
                                s->session->compress_meth=
                                        s->s3->tmp.new_compression->id;
+#endif
                        if (!s->method->ssl3_enc->setup_key_block(s))
                                {
                                ret= -1;
@@ -430,11 +473,36 @@ int ssl3_connect(SSL *s)
                                }
                        else
                                {
+#ifndef OPENSSL_NO_TLSEXT
+                               /* Allow NewSessionTicket if ticket expected */
+                               if (s->tlsext_ticket_expected)
+                                       s->s3->tmp.next_state=SSL3_ST_CR_SESSION_TICKET_A;
+                               else
+#endif
+                               
                                s->s3->tmp.next_state=SSL3_ST_CR_FINISHED_A;
                                }
                        s->init_num=0;
                        break;
 
+#ifndef OPENSSL_NO_TLSEXT
+               case SSL3_ST_CR_SESSION_TICKET_A:
+               case SSL3_ST_CR_SESSION_TICKET_B:
+                       ret=ssl3_get_new_session_ticket(s);
+                       if (ret <= 0) goto end;
+                       s->state=SSL3_ST_CR_FINISHED_A;
+                       s->init_num=0;
+               break;
+
+               case SSL3_ST_CR_CERT_STATUS_A:
+               case SSL3_ST_CR_CERT_STATUS_B:
+                       ret=ssl3_get_cert_status(s);
+                       if (ret <= 0) goto end;
+                       s->state=SSL3_ST_CR_KEY_EXCH_A;
+                       s->init_num=0;
+               break;
+#endif
+
                case SSL3_ST_CR_FINISHED_A:
                case SSL3_ST_CR_FINISHED_B:
 
@@ -535,9 +603,12 @@ int ssl3_client_hello(SSL *s)
        {
        unsigned char *buf;
        unsigned char *p,*d;
-       int i,j;
+       int i;
        unsigned long Time,l;
+#ifndef OPENSSL_NO_COMP
+       int j;
        SSL_COMP *comp;
+#endif
 
        buf=(unsigned char *)s->init_buf->data;
        if (s->state == SSL3_ST_CW_CLNT_HELLO_A)
@@ -552,7 +623,7 @@ int ssl3_client_hello(SSL *s)
                /* else use the pre-loaded session */
 
                p=s->s3->client_random;
-               Time=time(NULL);                        /* Time */
+               Time=(unsigned long)time(NULL);                 /* Time */
                l2n(Time,p);
                if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0)
                        goto err;
@@ -596,7 +667,12 @@ int ssl3_client_hello(SSL *s)
                p+=i;
 
                /* COMPRESSION */
-               if (s->ctx->comp_methods == NULL)
+#ifdef OPENSSL_NO_COMP
+               *(p++)=1;
+#else
+
+               if ((s->options & SSL_OP_NO_COMPRESSION)
+                                       || !s->ctx->comp_methods)
                        j=0;
                else
                        j=sk_SSL_COMP_num(s->ctx->comp_methods);
@@ -606,7 +682,22 @@ int ssl3_client_hello(SSL *s)
                        comp=sk_SSL_COMP_value(s->ctx->comp_methods,i);
                        *(p++)=comp->id;
                        }
+#endif
                *(p++)=0; /* Add the NULL method */
+
+#ifndef OPENSSL_NO_TLSEXT
+               /* TLS extensions*/
+               if (ssl_prepare_clienthello_tlsext(s) <= 0)
+                       {
+                       SSLerr(SSL_F_SSL3_CLIENT_HELLO,SSL_R_CLIENTHELLO_TLSEXT);
+                       goto err;
+                       }
+               if ((p = ssl_add_clienthello_tlsext(s, p, buf+SSL3_RT_MAX_PLAIN_LENGTH)) == NULL)
+                       {
+                       SSLerr(SSL_F_SSL3_CLIENT_HELLO,ERR_R_INTERNAL_ERROR);
+                       goto err;
+                       }
+#endif
                
                l=(p-d);
                d=buf;
@@ -628,18 +719,20 @@ err:
 int ssl3_get_server_hello(SSL *s)
        {
        STACK_OF(SSL_CIPHER) *sk;
-       SSL_CIPHER *c;
+       const SSL_CIPHER *c;
        unsigned char *p,*d;
        int i,al,ok;
        unsigned int j;
        long n;
+#ifndef OPENSSL_NO_COMP
        SSL_COMP *comp;
+#endif
 
        n=s->method->ssl_get_message(s,
                SSL3_ST_CR_SRVR_HELLO_A,
                SSL3_ST_CR_SRVR_HELLO_B,
                -1,
-               300, /* ?? */
+               20000, /* ?? */
                &ok);
 
        if (!ok) return((int)n);
@@ -695,6 +788,23 @@ int ssl3_get_server_hello(SSL *s)
                goto f_err;
                }
 
+#ifndef OPENSSL_NO_TLSEXT
+       /* check if we want to resume the session based on external pre-shared secret */
+       if (s->version >= TLS1_VERSION && s->tls_session_secret_cb)
+               {
+               SSL_CIPHER *pref_cipher=NULL;
+               s->session->master_key_length=sizeof(s->session->master_key);
+               if (s->tls_session_secret_cb(s, s->session->master_key,
+                                            &s->session->master_key_length,
+                                            NULL, &pref_cipher,
+                                            s->tls_session_secret_cb_arg))
+                       {
+                       s->session->cipher = pref_cipher ?
+                               pref_cipher : ssl_get_cipher_by_char(s, p+j);
+                       }
+               }
+#endif /* OPENSSL_NO_TLSEXT */
+
        if (j != 0 && j == s->session->session_id_length
            && memcmp(p,s->session->session_id,j) == 0)
            {
@@ -761,11 +871,21 @@ int ssl3_get_server_hello(SSL *s)
                        }
                }
        s->s3->tmp.new_cipher=c;
+       if (!ssl3_digest_cached_records(s))
+               goto f_err;
 
        /* lets get the compression algorithm */
        /* COMPRESSION */
+#ifdef OPENSSL_NO_COMP
+       if (*(p++) != 0)
+               {
+               al=SSL_AD_ILLEGAL_PARAMETER;
+               SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_UNSUPPORTED_COMPRESSION_ALGORITHM);
+               goto f_err;
+               }
+#else
        j= *(p++);
-       if (j == 0)
+       if ((j == 0) || (s->options & SSL_OP_NO_COMPRESSION))
                comp=NULL;
        else
                comp=ssl3_comp_find(s->ctx->comp_methods,j);
@@ -780,6 +900,25 @@ int ssl3_get_server_hello(SSL *s)
                {
                s->s3->tmp.new_compression=comp;
                }
+#endif
+
+#ifndef OPENSSL_NO_TLSEXT
+       /* TLS extensions*/
+       if (s->version > SSL3_VERSION)
+               {
+               if (!ssl_parse_serverhello_tlsext(s,&p,d,n, &al))
+                       {
+                       /* 'al' set by ssl_parse_serverhello_tlsext */
+                       SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_PARSE_TLSEXT);
+                       goto f_err; 
+                       }
+               if (ssl_check_serverhello_tlsext(s) <= 0)
+                       {
+                       SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_SERVERHELLO_TLSEXT);
+                               goto err;
+                       }
+               }
+#endif
 
        if (p != (d+n))
                {
@@ -879,12 +1018,12 @@ int ssl3_get_server_certificate(SSL *s)
                }
 
        i=ssl_verify_cert_chain(s,sk);
-       if ((s->verify_mode != SSL_VERIFY_NONE) && (!i)
+       if ((s->verify_mode != SSL_VERIFY_NONE) && (i <= 0)
 #ifndef OPENSSL_NO_KRB5
-               && (s->s3->tmp.new_cipher->algorithms & (SSL_MKEY_MASK|SSL_AUTH_MASK))
-               != (SSL_aKRB5|SSL_kKRB5)
+           && !((s->s3->tmp.new_cipher->algorithm_mkey & SSL_kKRB5) &&
+                (s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5))
 #endif /* OPENSSL_NO_KRB5 */
-               )
+               )
                {
                al=ssl_verify_alarm_type(s->verify_result);
                SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_CERTIFICATE_VERIFY_FAILED);
@@ -908,15 +1047,15 @@ int ssl3_get_server_certificate(SSL *s)
        pkey=X509_get_pubkey(x);
 
        /* VRS: allow null cert if auth == KRB5 */
-       need_cert =     ((s->s3->tmp.new_cipher->algorithms
-                        & (SSL_MKEY_MASK|SSL_AUTH_MASK))
-                        == (SSL_aKRB5|SSL_kKRB5))? 0: 1;
+       need_cert = ((s->s3->tmp.new_cipher->algorithm_mkey & SSL_kKRB5) &&
+                   (s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5))
+                   ? 0 : 1;
 
 #ifdef KSSL_DEBUG
        printf("pkey,x = %p, %p\n", pkey,x);
        printf("ssl_cert_type(x,pkey) = %d\n", ssl_cert_type(x,pkey));
-       printf("cipher, alg, nc = %s, %lx, %d\n", s->s3->tmp.new_cipher->name,
-               s->s3->tmp.new_cipher->algorithms, need_cert);
+       printf("cipher, alg, nc = %s, %lx, %lx, %d\n", s->s3->tmp.new_cipher->name,
+               s->s3->tmp.new_cipher->algorithm_mkey, s->s3->tmp.new_cipher->algorithm_auth, need_cert);
 #endif    /* KSSL_DEBUG */
 
        if (need_cert && ((pkey == NULL) || EVP_PKEY_missing_parameters(pkey)))
@@ -988,7 +1127,7 @@ int ssl3_get_key_exchange(SSL *s)
        EVP_MD_CTX md_ctx;
        unsigned char *param,*p;
        int al,i,j,param_len,ok;
-       long n,alg;
+       long n,alg_k,alg_a;
        EVP_PKEY *pkey=NULL;
 #ifndef OPENSSL_NO_RSA
        RSA *rsa=NULL;
@@ -1012,17 +1151,28 @@ int ssl3_get_key_exchange(SSL *s)
                -1,
                s->max_cert_list,
                &ok);
-
        if (!ok) return((int)n);
 
        if (s->s3->tmp.message_type != SSL3_MT_SERVER_KEY_EXCHANGE)
                {
+#ifndef OPENSSL_NO_PSK
+               /* In plain PSK ciphersuite, ServerKeyExchange can be
+                  omitted if no identity hint is sent. Set
+                  session->sess_cert anyway to avoid problems
+                  later.*/
+               if (s->s3->tmp.new_cipher->algorithm_mkey & SSL_kPSK)
+                       {
+                       s->session->sess_cert=ssl_sess_cert_new();
+                       if (s->ctx->psk_identity_hint)
+                               OPENSSL_free(s->ctx->psk_identity_hint);
+                       s->ctx->psk_identity_hint = NULL;
+                       }
+#endif
                s->s3->tmp.reuse_message=1;
                return(1);
                }
 
        param=p=(unsigned char *)s->init_msg;
-
        if (s->session->sess_cert != NULL)
                {
 #ifndef OPENSSL_NO_RSA
@@ -1053,11 +1203,57 @@ int ssl3_get_key_exchange(SSL *s)
                }
 
        param_len=0;
-       alg=s->s3->tmp.new_cipher->algorithms;
+       alg_k=s->s3->tmp.new_cipher->algorithm_mkey;
+       alg_a=s->s3->tmp.new_cipher->algorithm_auth;
        EVP_MD_CTX_init(&md_ctx);
 
+#ifndef OPENSSL_NO_PSK
+       if (alg_k & SSL_kPSK)
+               {
+               char tmp_id_hint[PSK_MAX_IDENTITY_LEN+1];
+
+               al=SSL_AD_HANDSHAKE_FAILURE;
+               n2s(p,i);
+               param_len=i+2;
+               /* Store PSK identity hint for later use, hint is used
+                * in ssl3_send_client_key_exchange.  Assume that the
+                * maximum length of a PSK identity hint can be as
+                * long as the maximum length of a PSK identity. */
+               if (i > PSK_MAX_IDENTITY_LEN)
+                       {
+                       SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,
+                               SSL_R_DATA_LENGTH_TOO_LONG);
+                       goto f_err;
+                       }
+               if (param_len > n)
+                       {
+                       al=SSL_AD_DECODE_ERROR;
+                       SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,
+                               SSL_R_BAD_PSK_IDENTITY_HINT_LENGTH);
+                       goto f_err;
+                       }
+               /* If received PSK identity hint contains NULL
+                * characters, the hint is truncated from the first
+                * NULL. p may not be ending with NULL, so create a
+                * NULL-terminated string. */
+               memcpy(tmp_id_hint, p, i);
+               memset(tmp_id_hint+i, 0, PSK_MAX_IDENTITY_LEN+1-i);
+               if (s->ctx->psk_identity_hint != NULL)
+                       OPENSSL_free(s->ctx->psk_identity_hint);
+               s->ctx->psk_identity_hint = BUF_strdup(tmp_id_hint);
+               if (s->ctx->psk_identity_hint == NULL)
+                       {
+                       SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE);
+                       goto f_err;
+                       }          
+
+               p+=i;
+               n-=param_len;
+               }
+       else
+#endif /* !OPENSSL_NO_PSK */
 #ifndef OPENSSL_NO_RSA
-       if (alg & SSL_kRSA)
+       if (alg_k & SSL_kRSA)
                {
                if ((rsa=RSA_new()) == NULL)
                        {
@@ -1096,7 +1292,7 @@ int ssl3_get_key_exchange(SSL *s)
                n-=param_len;
 
                /* this should be because we are using an export cipher */
-               if (alg & SSL_aRSA)
+               if (alg_a & SSL_aRSA)
                        pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
                else
                        {
@@ -1111,7 +1307,7 @@ int ssl3_get_key_exchange(SSL *s)
                ;
 #endif
 #ifndef OPENSSL_NO_DH
-       else if (alg & SSL_kEDH)
+       else if (alg_k & SSL_kEDH)
                {
                if ((dh=DH_new()) == NULL)
                        {
@@ -1165,14 +1361,14 @@ int ssl3_get_key_exchange(SSL *s)
                n-=param_len;
 
 #ifndef OPENSSL_NO_RSA
-               if (alg & SSL_aRSA)
+               if (alg_a & SSL_aRSA)
                        pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
 #else
                if (0)
                        ;
 #endif
 #ifndef OPENSSL_NO_DSA
-               else if (alg & SSL_aDSS)
+               else if (alg_a & SSL_aDSS)
                        pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_DSA_SIGN].x509);
 #endif
                /* else anonymous DH, so no certificate or pkey. */
@@ -1180,7 +1376,7 @@ int ssl3_get_key_exchange(SSL *s)
                s->session->sess_cert->peer_dh_tmp=dh;
                dh=NULL;
                }
-       else if ((alg & SSL_kDHr) || (alg & SSL_kDHd))
+       else if ((alg_k & SSL_kDHr) || (alg_k & SSL_kDHd))
                {
                al=SSL_AD_ILLEGAL_PARAMETER;
                SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER);
@@ -1189,7 +1385,7 @@ int ssl3_get_key_exchange(SSL *s)
 #endif /* !OPENSSL_NO_DH */
 
 #ifndef OPENSSL_NO_ECDH
-       else if (alg & SSL_kECDHE)
+       else if (alg_k & SSL_kEECDH)
                {
                EC_GROUP *ngroup;
                const EC_GROUP *group;
@@ -1207,12 +1403,12 @@ int ssl3_get_key_exchange(SSL *s)
                 */
 
                /* XXX: For now we only support named (not generic) curves
-                * and the ECParameters in this case is just two bytes.
+                * and the ECParameters in this case is just three bytes.
                 */
-               param_len=2;
+               param_len=3;
                if ((param_len > n) ||
                    (*p != NAMED_CURVE_TYPE) || 
-                   ((curve_nid = curve_id2nid(*(p + 1))) == 0)) 
+                   ((curve_nid = tls1_ec_curve_id2nid(*(p + 2))) == 0)) 
                        {
                        al=SSL_AD_INTERNAL_ERROR;
                        SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_UNABLE_TO_FIND_ECDH_PARAMETERS);
@@ -1242,7 +1438,7 @@ int ssl3_get_key_exchange(SSL *s)
                        goto f_err;
                        }
 
-               p+=2;
+               p+=3;
 
                /* Next, get the encoded ECPoint */
                if (((srvr_ecpoint = EC_POINT_new(group)) == NULL) ||
@@ -1273,11 +1469,11 @@ int ssl3_get_key_exchange(SSL *s)
                 */
                if (0) ;
 #ifndef OPENSSL_NO_RSA
-               else if (alg & SSL_aRSA)
+               else if (alg_a & SSL_aRSA)
                        pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
 #endif
 #ifndef OPENSSL_NO_ECDSA
-               else if (alg & SSL_aECDSA)
+               else if (alg_a & SSL_aECDSA)
                        pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_ECC].x509);
 #endif
                /* else anonymous ECDH, so no certificate or pkey. */
@@ -1288,19 +1484,13 @@ int ssl3_get_key_exchange(SSL *s)
                EC_POINT_free(srvr_ecpoint);
                srvr_ecpoint = NULL;
                }
-       else if (alg & SSL_kECDH)
+       else if (alg_k)
                {
                al=SSL_AD_UNEXPECTED_MESSAGE;
                SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_UNEXPECTED_MESSAGE);
                goto f_err;
                }
 #endif /* !OPENSSL_NO_ECDH */
-       if (alg & SSL_aFZA)
-               {
-               al=SSL_AD_HANDSHAKE_FAILURE;
-               SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER);
-               goto f_err;
-               }
 
 
        /* p points to the next byte, there are 'n' bytes left */
@@ -1364,7 +1554,7 @@ int ssl3_get_key_exchange(SSL *s)
                        EVP_VerifyUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);
                        EVP_VerifyUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);
                        EVP_VerifyUpdate(&md_ctx,param,param_len);
-                       if (!EVP_VerifyFinal(&md_ctx,p,(int)n,pkey))
+                       if (EVP_VerifyFinal(&md_ctx,p,(int)n,pkey) <= 0)
                                {
                                /* bad signature */
                                al=SSL_AD_DECRYPT_ERROR;
@@ -1382,7 +1572,7 @@ int ssl3_get_key_exchange(SSL *s)
                        EVP_VerifyUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);
                        EVP_VerifyUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);
                        EVP_VerifyUpdate(&md_ctx,param,param_len);
-                       if (!EVP_VerifyFinal(&md_ctx,p,(int)n,pkey))
+                       if (EVP_VerifyFinal(&md_ctx,p,(int)n,pkey) <= 0)
                                {
                                /* bad signature */
                                al=SSL_AD_DECRYPT_ERROR;
@@ -1399,12 +1589,13 @@ int ssl3_get_key_exchange(SSL *s)
                }
        else
                {
-               /* still data left over */
-               if (!(alg & SSL_aNULL))
+               if (!(alg_a & SSL_aNULL) && !(alg_k & SSL_kPSK))
+                       /* aNULL or kPSK do not need public keys */
                        {
                        SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
                        goto err;
                        }
+               /* still data left over */
                if (n != 0)
                        {
                        al=SSL_AD_DECODE_ERROR;
@@ -1474,8 +1665,7 @@ int ssl3_get_certificate_request(SSL *s)
        /* TLS does not like anon-DH with client cert */
        if (s->version > SSL3_VERSION)
                {
-               l=s->s3->tmp.new_cipher->algorithms;
-               if (l & SSL_aNULL)
+               if (s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL)
                        {
                        ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE);
                        SSLerr(SSL_F_SSL3_GET_CERTIFICATE_REQUEST,SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER);
@@ -1584,6 +1774,142 @@ static int ca_dn_cmp(const X509_NAME * const *a, const X509_NAME * const *b)
        {
        return(X509_NAME_cmp(*a,*b));
        }
+#ifndef OPENSSL_NO_TLSEXT
+int ssl3_get_new_session_ticket(SSL *s)
+       {
+       int ok,al,ret=0, ticklen;
+       long n;
+       const unsigned char *p;
+       unsigned char *d;
+
+       n=s->method->ssl_get_message(s,
+               SSL3_ST_CR_SESSION_TICKET_A,
+               SSL3_ST_CR_SESSION_TICKET_B,
+               -1,
+               16384,
+               &ok);
+
+       if (!ok)
+               return((int)n);
+
+       if (s->s3->tmp.message_type == SSL3_MT_FINISHED)
+               {
+               s->s3->tmp.reuse_message=1;
+               return(1);
+               }
+       if (s->s3->tmp.message_type != SSL3_MT_NEWSESSION_TICKET)
+               {
+               al=SSL_AD_UNEXPECTED_MESSAGE;
+               SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,SSL_R_BAD_MESSAGE_TYPE);
+               goto f_err;
+               }
+       if (n < 6)
+               {
+               /* need at least ticket_lifetime_hint + ticket length */
+               al = SSL3_AL_FATAL,SSL_AD_DECODE_ERROR;
+               SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,SSL_R_LENGTH_MISMATCH);
+               goto f_err;
+               }
+       p=d=(unsigned char *)s->init_msg;
+       n2l(p, s->session->tlsext_tick_lifetime_hint);
+       n2s(p, ticklen);
+       /* ticket_lifetime_hint + ticket_length + ticket */
+       if (ticklen + 6 != n)
+               {
+               al = SSL3_AL_FATAL,SSL_AD_DECODE_ERROR;
+               SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,SSL_R_LENGTH_MISMATCH);
+               goto f_err;
+               }
+       if (s->session->tlsext_tick)
+               {
+               OPENSSL_free(s->session->tlsext_tick);
+               s->session->tlsext_ticklen = 0;
+               }
+       s->session->tlsext_tick = OPENSSL_malloc(ticklen);
+       if (!s->session->tlsext_tick)
+               {
+               SSLerr(SSL_F_SSL3_GET_NEW_SESSION_TICKET,ERR_R_MALLOC_FAILURE);
+               goto err;
+               }
+       memcpy(s->session->tlsext_tick, p, ticklen);
+       s->session->tlsext_ticklen = ticklen;
+       
+       ret=1;
+       return(ret);
+f_err:
+       ssl3_send_alert(s,SSL3_AL_FATAL,al);
+err:
+       return(-1);
+       }
+
+int ssl3_get_cert_status(SSL *s)
+       {
+       int ok, al;
+       unsigned long resplen,n;
+       const unsigned char *p;
+
+       n=s->method->ssl_get_message(s,
+               SSL3_ST_CR_CERT_STATUS_A,
+               SSL3_ST_CR_CERT_STATUS_B,
+               SSL3_MT_CERTIFICATE_STATUS,
+               16384,
+               &ok);
+
+       if (!ok) return((int)n);
+       if (n < 4)
+               {
+               /* need at least status type + length */
+               al = SSL_AD_DECODE_ERROR;
+               SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_LENGTH_MISMATCH);
+               goto f_err;
+               }
+       p = (unsigned char *)s->init_msg;
+       if (*p++ != TLSEXT_STATUSTYPE_ocsp)
+               {
+               al = SSL_AD_DECODE_ERROR;
+               SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_UNSUPPORTED_STATUS_TYPE);
+               goto f_err;
+               }
+       n2l3(p, resplen);
+       if (resplen + 4 != n)
+               {
+               al = SSL_AD_DECODE_ERROR;
+               SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_LENGTH_MISMATCH);
+               goto f_err;
+               }
+       if (s->tlsext_ocsp_resp)
+               OPENSSL_free(s->tlsext_ocsp_resp);
+       s->tlsext_ocsp_resp = BUF_memdup(p, resplen);
+       if (!s->tlsext_ocsp_resp)
+               {
+               al = SSL_AD_INTERNAL_ERROR;
+               SSLerr(SSL_F_SSL3_GET_CERT_STATUS,ERR_R_MALLOC_FAILURE);
+               goto f_err;
+               }
+       s->tlsext_ocsp_resplen = resplen;
+       if (s->ctx->tlsext_status_cb)
+               {
+               int ret;
+               ret = s->ctx->tlsext_status_cb(s, s->ctx->tlsext_status_arg);
+               if (ret == 0)
+                       {
+                       al = SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE;
+                       SSLerr(SSL_F_SSL3_GET_CERT_STATUS,SSL_R_INVALID_STATUS_RESPONSE);
+                       goto f_err;
+                       }
+               if (ret < 0)
+                       {
+                       al = SSL_AD_INTERNAL_ERROR;
+                       SSLerr(SSL_F_SSL3_GET_CERT_STATUS,ERR_R_MALLOC_FAILURE);
+                       goto f_err;
+                       }
+               }
+       return 1;
+f_err:
+       ssl3_send_alert(s,SSL3_AL_FATAL,al);
+       return(-1);
+       }
+#endif
 
 int ssl3_get_server_done(SSL *s)
        {
@@ -1610,27 +1936,11 @@ int ssl3_get_server_done(SSL *s)
        }
 
 
-#ifndef OPENSSL_NO_ECDH
-static const int KDF1_SHA1_len = 20;
-static void *KDF1_SHA1(const void *in, size_t inlen, void *out, size_t *outlen)
-       {
-#ifndef OPENSSL_NO_SHA
-       if (*outlen < SHA_DIGEST_LENGTH)
-               return NULL;
-       else
-               *outlen = SHA_DIGEST_LENGTH;
-       return SHA1(in, inlen, out);
-#else
-       return NULL;
-#endif /* OPENSSL_NO_SHA */
-       }
-#endif /* OPENSSL_NO_ECDH */
-
 int ssl3_send_client_key_exchange(SSL *s)
        {
        unsigned char *p,*d;
        int n;
-       unsigned long l;
+       unsigned long alg_k;
 #ifndef OPENSSL_NO_RSA
        unsigned char *q;
        EVP_PKEY *pkey=NULL;
@@ -1652,12 +1962,12 @@ int ssl3_send_client_key_exchange(SSL *s)
                d=(unsigned char *)s->init_buf->data;
                p= &(d[4]);
 
-               l=s->s3->tmp.new_cipher->algorithms;
+               alg_k=s->s3->tmp.new_cipher->algorithm_mkey;
 
                /* Fool emacs indentation */
                if (0) {}
 #ifndef OPENSSL_NO_RSA
-               else if (l & SSL_kRSA)
+               else if (alg_k & SSL_kRSA)
                        {
                        RSA *rsa;
                        unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH];
@@ -1716,7 +2026,7 @@ int ssl3_send_client_key_exchange(SSL *s)
                        }
 #endif
 #ifndef OPENSSL_NO_KRB5
-               else if (l & SSL_kKRB5)
+               else if (alg_k & SSL_kKRB5)
                        {
                        krb5_error_code krb5rc;
                        KSSL_CTX        *kssl_ctx = s->kssl_ctx;
@@ -1735,7 +2045,7 @@ int ssl3_send_client_key_exchange(SSL *s)
 
 #ifdef KSSL_DEBUG
                        printf("ssl3_send_client_key_exchange(%lx & %lx)\n",
-                               l, SSL_kKRB5);
+                               alg_k, SSL_kKRB5);
 #endif /* KSSL_DEBUG */
 
                        authp = NULL;
@@ -1808,8 +2118,10 @@ int ssl3_send_client_key_exchange(SSL *s)
                                n+=2;
                                }
  
-                       if (RAND_bytes(tmp_buf,sizeof tmp_buf) <= 0)
-                           goto err;
+                           tmp_buf[0]=s->client_version>>8;
+                           tmp_buf[1]=s->client_version&0xff;
+                           if (RAND_bytes(&(tmp_buf[2]),sizeof tmp_buf-2) <= 0)
+                               goto err;
 
                        /*  20010420 VRS.  Tried it this way; failed.
                        **      EVP_EncryptInit_ex(&ciph_ctx,enc, NULL,NULL);
@@ -1839,7 +2151,7 @@ int ssl3_send_client_key_exchange(SSL *s)
                        n+=outl + 2;
 
                        s->session->master_key_length=
-                               s->method->ssl3_enc->generate_master_secret(s,
+                               s->method->ssl3_enc->generate_master_secret(s,
                                        s->session->master_key,
                                        tmp_buf, sizeof tmp_buf);
 
@@ -1848,10 +2160,17 @@ int ssl3_send_client_key_exchange(SSL *s)
                        }
 #endif
 #ifndef OPENSSL_NO_DH
-               else if (l & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
+               else if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
                        {
                        DH *dh_srvr,*dh_clnt;
 
+                       if (s->session->sess_cert == NULL) 
+                               {
+                               ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE);
+                               SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_UNEXPECTED_MESSAGE);
+                               goto err;
+                               }
+
                        if (s->session->sess_cert->peer_dh_tmp != NULL)
                                dh_srvr=s->session->sess_cert->peer_dh_tmp;
                        else
@@ -1905,7 +2224,7 @@ int ssl3_send_client_key_exchange(SSL *s)
 #endif
 
 #ifndef OPENSSL_NO_ECDH 
-               else if ((l & SSL_kECDH) || (l & SSL_kECDHE))
+               else if (alg_k & (SSL_kEECDH|SSL_kECDHr|SSL_kECDHe))
                        {
                        const EC_GROUP *srvr_group = NULL;
                        EC_KEY *tkey;
@@ -1917,7 +2236,7 @@ int ssl3_send_client_key_exchange(SSL *s)
                         * computation as part of client certificate?
                         * If so, set ecdh_clnt_cert to 1.
                         */
-                       if ((l & SSL_kECDH) && (s->cert != NULL)) 
+                       if ((alg_k & (SSL_kECDHr|SSL_kECDHe)) && (s->cert != NULL)) 
                                {
                                /* XXX: For now, we do not support client
                                 * authentication using ECDH certificates.
@@ -2023,14 +2342,7 @@ int ssl3_send_client_key_exchange(SSL *s)
                                       ERR_R_ECDH_LIB);
                                goto err;
                                }
-                       /* If field size is not more than 24 octets, then use SHA-1 hash of result;
-                        * otherwise, use result (see section 4.8 of draft-ietf-tls-ecc-03.txt;
-                        * this is new with this version of the Internet Draft).
-                        */
-                       if (field_size <= 24 * 8)
-                               n=ECDH_compute_key(p, KDF1_SHA1_len, srvr_ecpoint, clnt_ecdh, KDF1_SHA1);
-                       else
-                               n=ECDH_compute_key(p, (field_size+7)/8, srvr_ecpoint, clnt_ecdh, NULL);
+                       n=ECDH_compute_key(p, (field_size+7)/8, srvr_ecpoint, clnt_ecdh, NULL);
                        if (n <= 0)
                                {
                                SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, 
@@ -2096,6 +2408,166 @@ int ssl3_send_client_key_exchange(SSL *s)
                        EVP_PKEY_free(srvr_pub_pkey);
                        }
 #endif /* !OPENSSL_NO_ECDH */
+               else if (alg_k & SSL_kGOST) 
+                       {
+                       /* GOST key exchange message creation */
+                       EVP_PKEY_CTX *pkey_ctx;
+                       X509 *peer_cert; 
+                       size_t msglen;
+                       unsigned int md_len;
+                       int keytype;
+                       unsigned char premaster_secret[32],shared_ukm[32];
+                       EVP_MD_CTX *ukm_hash;
+                       EVP_PKEY *pub_key;
+
+                       /* Get server sertificate PKEY and create ctx from it */
+                       peer_cert=s->session->sess_cert->peer_pkeys[(keytype=SSL_PKEY_GOST01)].x509;
+                       if (!peer_cert) 
+                               peer_cert=s->session->sess_cert->peer_pkeys[(keytype=SSL_PKEY_GOST94)].x509;
+                       if (!peer_cert)         {
+                                       SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,SSL_R_NO_GOST_CERTIFICATE_SENT_BY_PEER);
+                                       goto err;
+                               }       
+                               
+                       pkey_ctx=EVP_PKEY_CTX_new(pub_key=X509_get_pubkey(peer_cert),NULL);
+                       /* If we have send a certificate, and certificate key
+
+                        * parameters match those of server certificate, use
+                        * certificate key for key exchange
+                        */
+
+                        /* Otherwise, generate ephemeral key pair */
+                                       
+                       EVP_PKEY_encrypt_init(pkey_ctx);
+                         /* Generate session key */    
+                   RAND_bytes(premaster_secret,32);
+                       /* If we have client certificate, use its secret as peer key */
+                       if (s->cert->key->privatekey) {
+                               if (EVP_PKEY_derive_set_peer(pkey_ctx,s->cert->key->privatekey) <0) {
+                                       /* If there was an error - just ignore it. Ephemeral key
+                                       * would be used
+                                       */
+                                       ERR_clear_error();
+                               } else {
+                                       /* Set flag "client cert key is used for key
+                                        * exchange"*/
+                               }       
+                       }                       
+                       /* Compute shared IV and store it in algorithm-specific
+                        * context data */
+                       ukm_hash = EVP_MD_CTX_create();
+                       EVP_DigestInit(ukm_hash,EVP_get_digestbynid(NID_id_GostR3411_94));
+                       EVP_DigestUpdate(ukm_hash,s->s3->client_random,SSL3_RANDOM_SIZE);
+                       EVP_DigestUpdate(ukm_hash,s->s3->server_random,SSL3_RANDOM_SIZE);
+                       EVP_DigestFinal_ex(ukm_hash, shared_ukm, &md_len);
+                       EVP_MD_CTX_destroy(ukm_hash);
+                       if (EVP_PKEY_CTX_ctrl(pkey_ctx,-1,EVP_PKEY_OP_ENCRYPT,EVP_PKEY_CTRL_SET_IV,
+                               8,shared_ukm)<0) {
+                                       SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+                                               SSL_R_LIBRARY_BUG);
+                                       goto err;
+                               }       
+                       /* Make GOST keytransport blob message */
+                       /*Encapsulate it into sequence */
+                       *(p++)=V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED;
+                       *(p++)=0x81;
+                       msglen=256;
+                       if (EVP_PKEY_encrypt(pkey_ctx,(unsigned char *)p+1,&msglen,premaster_secret,32)<0) {
+                       SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+                                       SSL_R_LIBRARY_BUG);
+                               goto err;
+                       }       
+                       *(p++)= msglen & 0xff;
+                       n=msglen+3;
+                       EVP_PKEY_CTX_free(pkey_ctx);
+                       s->session->master_key_length=
+                               s->method->ssl3_enc->generate_master_secret(s,
+                                       s->session->master_key,premaster_secret,32);
+                       EVP_PKEY_free(pub_key);
+
+                       }
+#ifndef OPENSSL_NO_PSK
+               else if (alg_k & SSL_kPSK)
+                       {
+                       char identity[PSK_MAX_IDENTITY_LEN];
+                       unsigned char *t = NULL;
+                       unsigned char psk_or_pre_ms[PSK_MAX_PSK_LEN*2+4];
+                       unsigned int pre_ms_len = 0, psk_len = 0;
+                       int psk_err = 1;
+
+                       n = 0;
+                       if (s->psk_client_callback == NULL)
+                               {
+                               SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+                                       SSL_R_PSK_NO_CLIENT_CB);
+                               goto err;
+                               }
+
+                       psk_len = s->psk_client_callback(s, s->ctx->psk_identity_hint,
+                               identity, PSK_MAX_IDENTITY_LEN,
+                               psk_or_pre_ms, sizeof(psk_or_pre_ms));
+                       if (psk_len > PSK_MAX_PSK_LEN)
+                               {
+                               SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+                                       ERR_R_INTERNAL_ERROR);
+                               goto psk_err;
+                               }
+                       else if (psk_len == 0)
+                               {
+                               SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+                                       SSL_R_PSK_IDENTITY_NOT_FOUND);
+                               goto psk_err;
+                               }
+
+                       /* create PSK pre_master_secret */
+                       pre_ms_len = 2+psk_len+2+psk_len;
+                       t = psk_or_pre_ms;
+                       memmove(psk_or_pre_ms+psk_len+4, psk_or_pre_ms, psk_len);
+                       s2n(psk_len, t);
+                       memset(t, 0, psk_len);
+                       t+=psk_len;
+                       s2n(psk_len, t);
+
+                       if (s->session->psk_identity_hint != NULL)
+                               OPENSSL_free(s->session->psk_identity_hint);
+                       s->session->psk_identity_hint = BUF_strdup(s->ctx->psk_identity_hint);
+                       if (s->ctx->psk_identity_hint != NULL &&
+                               s->session->psk_identity_hint == NULL)
+                               {
+                               SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+                                       ERR_R_MALLOC_FAILURE);
+                               goto psk_err;
+                               }
+
+                       if (s->session->psk_identity != NULL)
+                               OPENSSL_free(s->session->psk_identity);
+                       s->session->psk_identity = BUF_strdup(identity);
+                       if (s->session->psk_identity == NULL)
+                               {
+                               SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+                                       ERR_R_MALLOC_FAILURE);
+                               goto psk_err;
+                               }
+
+                       s->session->master_key_length =
+                               s->method->ssl3_enc->generate_master_secret(s,
+                                       s->session->master_key,
+                                       psk_or_pre_ms, pre_ms_len); 
+                       n = strlen(identity);
+                       s2n(n, p);
+                       memcpy(p, identity, n);
+                       n+=2;
+                       psk_err = 0;
+               psk_err:
+                       OPENSSL_cleanse(identity, PSK_MAX_IDENTITY_LEN);
+                       OPENSSL_cleanse(psk_or_pre_ms, sizeof(psk_or_pre_ms));
+                       if (psk_err != 0)
+                               {
+                               ssl3_send_alert(s, SSL3_AL_FATAL, SSL_AD_HANDSHAKE_FAILURE);
+                               goto err;
+                               }
+                       }
+#endif
                else
                        {
                        ssl3_send_alert(s, SSL3_AL_FATAL,
@@ -2132,6 +2604,7 @@ int ssl3_send_client_verify(SSL *s)
        unsigned char *p,*d;
        unsigned char data[MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH];
        EVP_PKEY *pkey;
+       EVP_PKEY_CTX *pctx=NULL;
 #ifndef OPENSSL_NO_RSA
        unsigned u=0;
 #endif
@@ -2145,15 +2618,25 @@ int ssl3_send_client_verify(SSL *s)
                d=(unsigned char *)s->init_buf->data;
                p= &(d[4]);
                pkey=s->cert->key->privatekey;
-
-               s->method->ssl3_enc->cert_verify_mac(s,&(s->s3->finish_dgst2),
-                       &(data[MD5_DIGEST_LENGTH]));
-
+/* Create context from key and test if sha1 is allowed as digest */
+               pctx = EVP_PKEY_CTX_new(pkey,NULL);
+               EVP_PKEY_sign_init(pctx);
+               if (EVP_PKEY_CTX_set_signature_md(pctx, EVP_sha1())>0)
+                       {
+                       s->method->ssl3_enc->cert_verify_mac(s,
+                                               NID_sha1,
+                                               &(data[MD5_DIGEST_LENGTH]));
+                       }
+               else
+                       {
+                       ERR_clear_error();
+                       }
 #ifndef OPENSSL_NO_RSA
                if (pkey->type == EVP_PKEY_RSA)
                        {
                        s->method->ssl3_enc->cert_verify_mac(s,
-                               &(s->s3->finish_dgst1),&(data[0]));
+                               NID_md5,
+                               &(data[0]));
                        if (RSA_sign(NID_md5_sha1, data,
                                         MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
                                        &(p[2]), &u, pkey->pkey.rsa) <= 0 )
@@ -2199,10 +2682,30 @@ int ssl3_send_client_verify(SSL *s)
                        }
                else
 #endif
-                       {
+               if (pkey->type == NID_id_GostR3410_94 || pkey->type == NID_id_GostR3410_2001) 
+               {
+               unsigned char signbuf[64];
+               int i;
+               size_t sigsize=64;
+               s->method->ssl3_enc->cert_verify_mac(s,
+                       NID_id_GostR3411_94,
+                       data);
+               if (!EVP_PKEY_sign(pctx,signbuf,&sigsize,data,32)) {
+                       SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY,
+                       ERR_R_INTERNAL_ERROR);
+                       goto err;
+               }
+               for (i=63,j=0; i>=0; j++, i--) {
+                       p[2+j]=signbuf[i];
+               }       
+               s2n(j,p);
+               n=j+2;
+               }
+               else
+               {
                        SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY,ERR_R_INTERNAL_ERROR);
                        goto err;
-                       }
+               }
                *(d++)=SSL3_MT_CERTIFICATE_VERIFY;
                l2n3(n,d);
 
@@ -2210,8 +2713,10 @@ int ssl3_send_client_verify(SSL *s)
                s->init_num=(int)n+4;
                s->init_off=0;
                }
+       EVP_PKEY_CTX_free(pctx);
        return(ssl3_do_write(s,SSL3_RT_HANDSHAKE));
 err:
+       EVP_PKEY_CTX_free(pctx);
        return(-1);
        }
 
@@ -2239,8 +2744,7 @@ int ssl3_send_client_certificate(SSL *s)
                 * ssl->rwstate=SSL_X509_LOOKUP; return(-1);
                 * We then get retied later */
                i=0;
-               if (s->ctx->client_cert_cb != NULL)
-                       i=s->ctx->client_cert_cb(s,&(x509),&(pkey));
+               i = ssl_do_client_cert_cb(s, &x509, &pkey);
                if (i < 0)
                        {
                        s->rwstate=SSL_X509_LOOKUP;
@@ -2297,7 +2801,7 @@ int ssl3_send_client_certificate(SSL *s)
 int ssl3_check_cert_and_algorithm(SSL *s)
        {
        int i,idx;
-       long algs;
+       long alg_k,alg_a;
        EVP_PKEY *pkey=NULL;
        SESS_CERT *sc;
 #ifndef OPENSSL_NO_RSA
@@ -2308,17 +2812,17 @@ int ssl3_check_cert_and_algorithm(SSL *s)
 #endif
 
        sc=s->session->sess_cert;
-
        if (sc == NULL)
                {
                SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,ERR_R_INTERNAL_ERROR);
                goto err;
                }
 
-       algs=s->s3->tmp.new_cipher->algorithms;
+       alg_k=s->s3->tmp.new_cipher->algorithm_mkey;
+       alg_a=s->s3->tmp.new_cipher->algorithm_auth;
 
        /* we don't have a certificate */
-       if (algs & (SSL_aDH|SSL_aNULL|SSL_aKRB5))
+       if ((alg_a & (SSL_aDH|SSL_aNULL|SSL_aKRB5)) || (alg_k & SSL_kPSK))
                return(1);
 
 #ifndef OPENSSL_NO_RSA
@@ -2334,11 +2838,11 @@ int ssl3_check_cert_and_algorithm(SSL *s)
 #ifndef OPENSSL_NO_ECDH
        if (idx == SSL_PKEY_ECC)
                {
-               if (check_srvr_ecc_cert_and_alg(sc->peer_pkeys[idx].x509,
+               if (ssl_check_srvr_ecc_cert_and_alg(sc->peer_pkeys[idx].x509,
                    s->s3->tmp.new_cipher) == 0) 
                        { /* check failed */
                        SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_BAD_ECC_CERT);
-                       goto f_err;                     
+                       goto f_err;
                        }
                else 
                        {
@@ -2352,20 +2856,20 @@ int ssl3_check_cert_and_algorithm(SSL *s)
 
        
        /* Check that we have a certificate if we require one */
-       if ((algs & SSL_aRSA) && !has_bits(i,EVP_PK_RSA|EVP_PKT_SIGN))
+       if ((alg_a & SSL_aRSA) && !has_bits(i,EVP_PK_RSA|EVP_PKT_SIGN))
                {
                SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_RSA_SIGNING_CERT);
                goto f_err;
                }
 #ifndef OPENSSL_NO_DSA
-       else if ((algs & SSL_aDSS) && !has_bits(i,EVP_PK_DSA|EVP_PKT_SIGN))
+       else if ((alg_a & SSL_aDSS) && !has_bits(i,EVP_PK_DSA|EVP_PKT_SIGN))
                {
                SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DSA_SIGNING_CERT);
                goto f_err;
                }
 #endif
 #ifndef OPENSSL_NO_RSA
-       if ((algs & SSL_kRSA) &&
+       if ((alg_k & SSL_kRSA) &&
                !(has_bits(i,EVP_PK_RSA|EVP_PKT_ENC) || (rsa != NULL)))
                {
                SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_RSA_ENCRYPTING_CERT);
@@ -2373,19 +2877,19 @@ int ssl3_check_cert_and_algorithm(SSL *s)
                }
 #endif
 #ifndef OPENSSL_NO_DH
-       if ((algs & SSL_kEDH) &&
+       if ((alg_k & SSL_kEDH) &&
                !(has_bits(i,EVP_PK_DH|EVP_PKT_EXCH) || (dh != NULL)))
                {
                SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_KEY);
                goto f_err;
                }
-       else if ((algs & SSL_kDHr) && !has_bits(i,EVP_PK_DH|EVP_PKS_RSA))
+       else if ((alg_k & SSL_kDHr) && !has_bits(i,EVP_PK_DH|EVP_PKS_RSA))
                {
                SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_RSA_CERT);
                goto f_err;
                }
 #ifndef OPENSSL_NO_DSA
-       else if ((algs & SSL_kDHd) && !has_bits(i,EVP_PK_DH|EVP_PKS_DSA))
+       else if ((alg_k & SSL_kDHd) && !has_bits(i,EVP_PK_DH|EVP_PKS_DSA))
                {
                SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_DSA_CERT);
                goto f_err;
@@ -2396,7 +2900,7 @@ int ssl3_check_cert_and_algorithm(SSL *s)
        if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) && !has_bits(i,EVP_PKT_EXP))
                {
 #ifndef OPENSSL_NO_RSA
-               if (algs & SSL_kRSA)
+               if (alg_k & SSL_kRSA)
                        {
                        if (rsa == NULL
                            || RSA_size(rsa)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
@@ -2408,7 +2912,7 @@ int ssl3_check_cert_and_algorithm(SSL *s)
                else
 #endif
 #ifndef OPENSSL_NO_DH
-                       if (algs & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
+                       if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
                            {
                            if (dh == NULL
                                || DH_size(dh)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
@@ -2431,45 +2935,51 @@ err:
        return(0);
        }
 
+/* Check to see if handshake is full or resumed. Usually this is just a
+ * case of checking to see if a cache hit has occurred. In the case of
+ * session tickets we have to check the next message to be sure.
+ */
 
-#ifndef OPENSSL_NO_ECDH
-/* This is the complement of nid2curve_id in s3_srvr.c. */
-static int curve_id2nid(int curve_id)
-{
-       /* ECC curves from draft-ietf-tls-ecc-01.txt (Mar 15, 2001)
-        * (no changes in draft-ietf-tls-ecc-03.txt [June 2003]) */
-       static int nid_list[26] =
+#ifndef OPENSSL_NO_TLSEXT
+static int ssl3_check_finished(SSL *s)
        {
-               0,
-               NID_sect163k1, /* sect163k1 (1) */
-               NID_sect163r1, /* sect163r1 (2) */
-               NID_sect163r2, /* sect163r2 (3) */
-               NID_sect193r1, /* sect193r1 (4) */ 
-               NID_sect193r2, /* sect193r2 (5) */ 
-               NID_sect233k1, /* sect233k1 (6) */
-               NID_sect233r1, /* sect233r1 (7) */ 
-               NID_sect239k1, /* sect239k1 (8) */ 
-               NID_sect283k1, /* sect283k1 (9) */
-               NID_sect283r1, /* sect283r1 (10) */ 
-               NID_sect409k1, /* sect409k1 (11) */ 
-               NID_sect409r1, /* sect409r1 (12) */
-               NID_sect571k1, /* sect571k1 (13) */ 
-               NID_sect571r1, /* sect571r1 (14) */ 
-               NID_secp160k1, /* secp160k1 (15) */
-               NID_secp160r1, /* secp160r1 (16) */ 
-               NID_secp160r2, /* secp160r2 (17) */ 
-               NID_secp192k1, /* secp192k1 (18) */
-               NID_X9_62_prime192v1, /* secp192r1 (19) */ 
-               NID_secp224k1, /* secp224k1 (20) */ 
-               NID_secp224r1, /* secp224r1 (21) */
-               NID_secp256k1, /* secp256k1 (22) */ 
-               NID_X9_62_prime256v1, /* secp256r1 (23) */ 
-               NID_secp384r1, /* secp384r1 (24) */
-               NID_secp521r1  /* secp521r1 (25) */     
-       };
-       
-       if ((curve_id < 1) || (curve_id > 25)) return 0;
+       int ok;
+       long n;
+       /* If we have no ticket it cannot be a resumed session. */
+       if (!s->session->tlsext_tick)
+               return 1;
+       /* this function is called when we really expect a Certificate
+        * message, so permit appropriate message length */
+       n=s->method->ssl_get_message(s,
+               SSL3_ST_CR_CERT_A,
+               SSL3_ST_CR_CERT_B,
+               -1,
+               s->max_cert_list,
+               &ok);
+       if (!ok) return((int)n);
+       s->s3->tmp.reuse_message = 1;
+       if ((s->s3->tmp.message_type == SSL3_MT_FINISHED)
+               || (s->s3->tmp.message_type == SSL3_MT_NEWSESSION_TICKET))
+               return 2;
 
-       return nid_list[curve_id];
-}
+       return 1;
+       }
+#endif
+
+int ssl_do_client_cert_cb(SSL *s, X509 **px509, EVP_PKEY **ppkey)
+       {
+       int i = 0;
+#ifndef OPENSSL_NO_ENGINE
+       if (s->ctx->client_cert_engine)
+               {
+               i = ENGINE_load_ssl_client_cert(s->ctx->client_cert_engine, s,
+                                               SSL_get_client_CA_list(s),
+                                               px509, ppkey, NULL, NULL, NULL);
+               if (i != 0)
+                       return i;
+               }
 #endif
+       if (s->ctx->client_cert_cb)
+               i = s->ctx->client_cert_cb(s,px509,ppkey);
+       return i;
+       }