X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=ssl%2Fs3_clnt.c;h=aa5604c1dd285c5d8ae14d3b7c1a31fead98b3c9;hp=27bc16eb6bb5a040d0260eb86553944fe2688023;hb=ee2ffc279417f15fef3b1073c7dc81a908991516;hpb=45d87a1ffe45b668cb6a6645bdc3e21a69324a41

diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c
index 27bc16eb6b..aa5604c1dd 100644
--- a/ssl/s3_clnt.c
+++ b/ssl/s3_clnt.c
@@ -55,29 +55,119 @@
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
+/* ====================================================================
+ * 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
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ *
+ * Portions of the attached software ("Contribution") are developed by 
+ * SUN MICROSYSTEMS, INC., and are contributed to the OpenSSL project.
+ *
+ * The Contribution is licensed pursuant to the OpenSSL open source
+ * license provided above.
+ *
+ * ECC cipher suite support in OpenSSL originally written by
+ * 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 "kssl_lcl.h"
 #include <openssl/buffer.h>
 #include <openssl/rand.h>
 #include <openssl/objects.h>
 #include <openssl/evp.h>
-#include "ssl_locl.h"
-#include "kssl_lcl.h"
 #include <openssl/md5.h>
+#ifndef OPENSSL_NO_DH
+#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 int ssl3_client_hello(SSL *s);
-static int ssl3_get_server_hello(SSL *s);
-static int ssl3_get_certificate_request(SSL *s);
+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);
-static int ssl3_get_server_done(SSL *s);
-static int ssl3_send_client_verify(SSL *s);
-static int ssl3_send_client_certificate(SSL *s);
-static int ssl3_send_client_key_exchange(SSL *s);
-static int ssl3_get_key_exchange(SSL *s);
-static int ssl3_get_server_certificate(SSL *s);
-static int ssl3_check_cert_and_algorithm(SSL *s);
-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());
@@ -85,30 +175,18 @@ 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)
-		{
-		init=0;
-		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;
-		}
-	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;
-	unsigned long Time=time(NULL),l;
-	long num1;
+	BUF_MEM *buf=NULL;
+	unsigned long Time=(unsigned long)time(NULL);
 	void (*cb)(const SSL *ssl,int type,int val)=NULL;
 	int ret= -1;
-	int new_state,state,skip=0;;
+	int new_state,state,skip=0;
 
 	RAND_add(&Time,sizeof(Time),0);
 	ERR_clear_error();
@@ -164,6 +242,7 @@ int ssl3_connect(SSL *s)
 					goto end;
 					}
 				s->init_buf=buf;
+				buf=NULL;
 				}
 
 			if (!ssl3_setup_buffers(s)) { ret= -1; goto end; }
@@ -199,6 +278,7 @@ 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
@@ -208,15 +288,45 @@ int ssl3_connect(SSL *s)
 
 		case SSL3_ST_CR_CERT_A:
 		case SSL3_ST_CR_CERT_B:
-			/* Check if it is anon DH */
-			if (!(s->s3->tmp.new_cipher->algorithms & SSL_aNULL))
+#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 */
+			/* 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;
 
@@ -270,11 +380,17 @@ 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
 			 * of nothing is sent, but no verify packet is sent */
+			/* XXX: For now, we do not support client 
+			 * authentication in ECDH cipher suites with
+			 * ECDH (rather than ECDSA) certificates.
+			 * We need to skip the certificate verify 
+			 * message when client's ECDH public key is sent 
+			 * inside the client certificate.
+			 */
 			if (s->s3->tmp.cert_req == 1)
 				{
 				s->state=SSL3_ST_CW_CERT_VRFY_A;
@@ -284,6 +400,11 @@ int ssl3_connect(SSL *s)
 				s->state=SSL3_ST_CW_CHANGE_A;
 				s->s3->change_cipher_spec=0;
 				}
+			if (s->s3->flags & TLS1_FLAGS_SKIP_CERT_VERIFY)
+				{
+				s->state=SSL3_ST_CW_CHANGE_A;
+				s->s3->change_cipher_spec=0;
+				}
 
 			s->init_num=0;
 			break;
@@ -302,15 +423,27 @@ int ssl3_connect(SSL *s)
 			ret=ssl3_send_change_cipher_spec(s,
 				SSL3_ST_CW_CHANGE_A,SSL3_ST_CW_CHANGE_B);
 			if (ret <= 0) goto end;
+
+#if defined(OPENSSL_NO_TLSEXT) || defined(OPENSSL_NO_NPN)
 			s->state=SSL3_ST_CW_FINISHED_A;
+#else
+			if (s->next_proto_negotiated)
+				s->state=SSL3_ST_CW_NEXT_PROTO_A;
+			else
+				s->state=SSL3_ST_CW_FINISHED_A;
+#endif
 			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;
@@ -326,6 +459,15 @@ int ssl3_connect(SSL *s)
 
 			break;
 
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NPN)
+		case SSL3_ST_CW_NEXT_PROTO_A:
+		case SSL3_ST_CW_NEXT_PROTO_B:
+			ret=ssl3_send_next_proto(s);
+			if (ret <= 0) goto end;
+			s->state=SSL3_ST_CW_FINISHED_A;
+			break;
+#endif
+
 		case SSL3_ST_CW_FINISHED_A:
 		case SSL3_ST_CW_FINISHED_B:
 			ret=ssl3_send_finished(s,
@@ -349,11 +491,36 @@ 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:
 
@@ -369,16 +536,13 @@ int ssl3_connect(SSL *s)
 			break;
 
 		case SSL3_ST_CW_FLUSH:
-			/* number of bytes to be flushed */
-			num1=BIO_ctrl(s->wbio,BIO_CTRL_INFO,0,NULL);
-			if (num1 > 0)
+			s->rwstate=SSL_WRITING;
+			if (BIO_flush(s->wbio) <= 0)
 				{
-				s->rwstate=SSL_WRITING;
-				num1=BIO_flush(s->wbio);
-				if (num1 <= 0) { ret= -1; goto end; }
-				s->rwstate=SSL_NOTHING;
+				ret= -1;
+				goto end;
 				}
-
+			s->rwstate=SSL_NOTHING;
 			s->state=s->s3->tmp.next_state;
 			break;
 
@@ -442,26 +606,37 @@ int ssl3_connect(SSL *s)
 		}
 end:
 	s->in_handshake--;
+	if (buf != NULL)
+		BUF_MEM_free(buf);
 	if (cb != NULL)
 		cb(s,SSL_CB_CONNECT_EXIT,ret);
 	return(ret);
 	}
 
 
-static int ssl3_client_hello(SSL *s)
+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)
 		{
-		if ((s->session == NULL) ||
-			(s->session->ssl_version != s->version) ||
-			(s->session->not_resumable))
+		SSL_SESSION *sess = s->session;
+		if ((sess == NULL) ||
+			(sess->ssl_version != s->version) ||
+#ifdef OPENSSL_NO_TLSEXT
+			!sess->session_id_length ||
+#else
+			(!sess->session_id_length && !sess->tlsext_tick) ||
+#endif
+			(sess->not_resumable))
 			{
 			if (!ssl_get_new_session(s,0))
 				goto err;
@@ -469,9 +644,10 @@ static 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);
-		RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-sizeof(Time));
+		if (RAND_pseudo_bytes(p,SSL3_RANDOM_SIZE-4) <= 0)
+			goto err;
 
 		/* Do the message type and length last */
 		d=p= &(buf[4]);
@@ -492,12 +668,17 @@ static int ssl3_client_hello(SSL *s)
 		*(p++)=i;
 		if (i != 0)
 			{
+			if (i > (int)sizeof(s->session->session_id))
+				{
+				SSLerr(SSL_F_SSL3_CLIENT_HELLO, ERR_R_INTERNAL_ERROR);
+				goto err;
+				}
 			memcpy(p,s->session->session_id,i);
 			p+=i;
 			}
 		
 		/* Ciphers supported */
-		i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2]));
+		i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2]),0);
 		if (i == 0)
 			{
 			SSLerr(SSL_F_SSL3_CLIENT_HELLO,SSL_R_NO_CIPHERS_AVAILABLE);
@@ -507,7 +688,12 @@ static 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);
@@ -517,7 +703,22 @@ static 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;
@@ -536,24 +737,52 @@ err:
 	return(-1);
 	}
 
-static int ssl3_get_server_hello(SSL *s)
+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=ssl3_get_message(s,
+	n=s->method->ssl_get_message(s,
 		SSL3_ST_CR_SRVR_HELLO_A,
 		SSL3_ST_CR_SRVR_HELLO_B,
-		SSL3_MT_SERVER_HELLO,
-		300, /* ?? */
+		-1,
+		20000, /* ?? */
 		&ok);
 
 	if (!ok) return((int)n);
+
+	if ( SSL_version(s) == DTLS1_VERSION || SSL_version(s) == DTLS1_BAD_VER)
+		{
+		if ( s->s3->tmp.message_type == DTLS1_MT_HELLO_VERIFY_REQUEST)
+			{
+			if ( s->d1->send_cookie == 0)
+				{
+				s->s3->tmp.reuse_message = 1;
+				return 1;
+				}
+			else /* already sent a cookie */
+				{
+				al=SSL_AD_UNEXPECTED_MESSAGE;
+				SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_BAD_MESSAGE_TYPE);
+				goto f_err;
+				}
+			}
+		}
+	
+	if ( s->s3->tmp.message_type != SSL3_MT_SERVER_HELLO)
+		{
+		al=SSL_AD_UNEXPECTED_MESSAGE;
+		SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_BAD_MESSAGE_TYPE);
+		goto f_err;
+		}
+
 	d=p=(unsigned char *)s->init_msg;
 
 	if ((p[0] != (s->version>>8)) || (p[1] != (s->version&0xff)))
@@ -573,22 +802,37 @@ static int ssl3_get_server_hello(SSL *s)
 	/* get the session-id */
 	j= *(p++);
 
-	if ((j != 0) && (j != SSL3_SESSION_ID_SIZE))
+	if ((j > sizeof s->session->session_id) || (j > SSL3_SESSION_ID_SIZE))
+		{
+		al=SSL_AD_ILLEGAL_PARAMETER;
+		SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_SSL3_SESSION_ID_TOO_LONG);
+		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)
 		{
-		/* SSLref returns 16 :-( */
-		if (j < SSL2_SSL_SESSION_ID_LENGTH)
+		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))
 			{
-			al=SSL_AD_ILLEGAL_PARAMETER;
-			SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_SSL3_SESSION_ID_TOO_SHORT);
-			goto f_err;
+			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)
 	    {
 	    if(s->sid_ctx_length != s->session->sid_ctx_length
 	       || memcmp(s->session->sid_ctx,s->sid_ctx,s->sid_ctx_length))
 		{
+		/* actually a client application bug */
 		al=SSL_AD_ILLEGAL_PARAMETER;
 		SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT);
 		goto f_err;
@@ -632,7 +876,12 @@ static int ssl3_get_server_hello(SSL *s)
 		goto f_err;
 		}
 
-	if (s->hit && (s->session->cipher != c))
+	/* Depending on the session caching (internal/external), the cipher
+	   and/or cipher_id values may not be set. Make sure that
+	   cipher_id is set and use it for comparison. */
+	if (s->session->cipher)
+		s->session->cipher_id = s->session->cipher->id;
+	if (s->hit && (s->session->cipher_id != c->id))
 		{
 		if (!(s->options &
 			SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG))
@@ -643,12 +892,43 @@ static 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;
+		}
+	/* If compression is disabled we'd better not try to resume a session
+	 * using compression.
+	 */
+	if (s->session->compress_meth != 0)
+		{
+		al=SSL_AD_INTERNAL_ERROR;
+		SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_INCONSISTENT_COMPRESSION);
+		goto f_err;
+		}
+#else
 	j= *(p++);
+	if (s->hit && j != s->session->compress_meth)
+		{
+		al=SSL_AD_ILLEGAL_PARAMETER;
+		SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_OLD_SESSION_COMPRESSION_ALGORITHM_NOT_RETURNED);
+		goto f_err;
+		}
 	if (j == 0)
 		comp=NULL;
+	else if (s->options & SSL_OP_NO_COMPRESSION)
+		{
+		al=SSL_AD_ILLEGAL_PARAMETER;
+		SSLerr(SSL_F_SSL3_GET_SERVER_HELLO,SSL_R_COMPRESSION_DISABLED);
+		goto f_err;
+		}
 	else
 		comp=ssl3_comp_find(s->ctx->comp_methods,j);
 	
@@ -662,6 +942,25 @@ static 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))
 		{
@@ -678,18 +977,19 @@ err:
 	return(-1);
 	}
 
-static int ssl3_get_server_certificate(SSL *s)
+int ssl3_get_server_certificate(SSL *s)
 	{
 	int al,i,ok,ret= -1;
 	unsigned long n,nc,llen,l;
 	X509 *x=NULL;
-	unsigned char *p,*d,*q;
+	const unsigned char *q,*p;
+	unsigned char *d;
 	STACK_OF(X509) *sk=NULL;
 	SESS_CERT *sc;
 	EVP_PKEY *pkey=NULL;
-        int need_cert = 1; /* VRS: 0=> will allow null cert if auth == KRB5 */
+	int need_cert = 1; /* VRS: 0=> will allow null cert if auth == KRB5 */
 
-	n=ssl3_get_message(s,
+	n=s->method->ssl_get_message(s,
 		SSL3_ST_CR_CERT_A,
 		SSL3_ST_CR_CERT_B,
 		-1,
@@ -698,7 +998,9 @@ static int ssl3_get_server_certificate(SSL *s)
 
 	if (!ok) return((int)n);
 
-	if (s->s3->tmp.message_type == SSL3_MT_SERVER_KEY_EXCHANGE)
+	if ((s->s3->tmp.message_type == SSL3_MT_SERVER_KEY_EXCHANGE) ||
+		((s->s3->tmp.new_cipher->algorithm_auth & SSL_aKRB5) && 
+		(s->s3->tmp.message_type == SSL3_MT_SERVER_DONE)))
 		{
 		s->s3->tmp.reuse_message=1;
 		return(1);
@@ -710,7 +1012,7 @@ static int ssl3_get_server_certificate(SSL *s)
 		SSLerr(SSL_F_SSL3_GET_SERVER_CERTIFICATE,SSL_R_BAD_MESSAGE_TYPE);
 		goto f_err;
 		}
-	d=p=(unsigned char *)s->init_msg;
+	p=d=(unsigned char *)s->init_msg;
 
 	if ((sk=sk_X509_new_null()) == NULL)
 		{
@@ -760,12 +1062,12 @@ static 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);
@@ -788,16 +1090,16 @@ static 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;
+	/* VRS: allow null cert if auth == KRB5 */
+	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)))
@@ -819,31 +1121,31 @@ static int ssl3_get_server_certificate(SSL *s)
 		goto f_err;
 		}
 
-        if (need_cert)
-                {
-                sc->peer_cert_type=i;
-                CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);
-                /* Why would the following ever happen?
-                 * We just created sc a couple of lines ago. */
-                if (sc->peer_pkeys[i].x509 != NULL)
-                        X509_free(sc->peer_pkeys[i].x509);
-                sc->peer_pkeys[i].x509=x;
-                sc->peer_key= &(sc->peer_pkeys[i]);
-
-                if (s->session->peer != NULL)
-                        X509_free(s->session->peer);
-                CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);
-                s->session->peer=x;
-                }
-        else
-                {
-                sc->peer_cert_type=i;
-                sc->peer_key= NULL;
-
-                if (s->session->peer != NULL)
-                        X509_free(s->session->peer);
-                s->session->peer=NULL;
-                }
+	if (need_cert)
+		{
+		sc->peer_cert_type=i;
+		CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);
+		/* Why would the following ever happen?
+		 * We just created sc a couple of lines ago. */
+		if (sc->peer_pkeys[i].x509 != NULL)
+			X509_free(sc->peer_pkeys[i].x509);
+		sc->peer_pkeys[i].x509=x;
+		sc->peer_key= &(sc->peer_pkeys[i]);
+
+		if (s->session->peer != NULL)
+			X509_free(s->session->peer);
+		CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509);
+		s->session->peer=x;
+		}
+	else
+		{
+		sc->peer_cert_type=i;
+		sc->peer_key= NULL;
+
+		if (s->session->peer != NULL)
+			X509_free(s->session->peer);
+		s->session->peer=NULL;
+		}
 	s->session->verify_result = s->verify_result;
 
 	x=NULL;
@@ -861,7 +1163,7 @@ err:
 	return(ret);
 	}
 
-static int ssl3_get_key_exchange(SSL *s)
+int ssl3_get_key_exchange(SSL *s)
 	{
 #ifndef OPENSSL_NO_RSA
 	unsigned char *q,md_buf[EVP_MAX_MD_SIZE*2];
@@ -869,7 +1171,7 @@ static 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;
@@ -877,26 +1179,44 @@ static int ssl3_get_key_exchange(SSL *s)
 #ifndef OPENSSL_NO_DH
 	DH *dh=NULL;
 #endif
+#ifndef OPENSSL_NO_ECDH
+	EC_KEY *ecdh = NULL;
+	BN_CTX *bn_ctx = NULL;
+	EC_POINT *srvr_ecpoint = NULL;
+	int curve_nid = 0;
+	int encoded_pt_len = 0;
+#endif
 
 	/* use same message size as in ssl3_get_certificate_request()
 	 * as ServerKeyExchange message may be skipped */
-	n=ssl3_get_message(s,
+	n=s->method->ssl_get_message(s,
 		SSL3_ST_CR_KEY_EXCH_A,
 		SSL3_ST_CR_KEY_EXCH_B,
 		-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
@@ -912,6 +1232,13 @@ static int ssl3_get_key_exchange(SSL *s)
 			DH_free(s->session->sess_cert->peer_dh_tmp);
 			s->session->sess_cert->peer_dh_tmp=NULL;
 			}
+#endif
+#ifndef OPENSSL_NO_ECDH
+		if (s->session->sess_cert->peer_ecdh_tmp)
+			{
+			EC_KEY_free(s->session->sess_cert->peer_ecdh_tmp);
+			s->session->sess_cert->peer_ecdh_tmp=NULL;
+			}
 #endif
 		}
 	else
@@ -920,11 +1247,57 @@ static 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)
 			{
@@ -963,7 +1336,7 @@ static 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
 			{
@@ -978,7 +1351,7 @@ static 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)
 			{
@@ -1032,14 +1405,14 @@ static 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. */
@@ -1047,24 +1420,125 @@ static 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);
 		goto f_err;
 		}
 #endif /* !OPENSSL_NO_DH */
-	if (alg & SSL_aFZA)
+
+#ifndef OPENSSL_NO_ECDH
+	else if (alg_k & SSL_kEECDH)
 		{
-		al=SSL_AD_HANDSHAKE_FAILURE;
-		SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER);
+		EC_GROUP *ngroup;
+		const EC_GROUP *group;
+
+		if ((ecdh=EC_KEY_new()) == NULL)
+			{
+			SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
+			goto err;
+			}
+
+		/* Extract elliptic curve parameters and the
+		 * server's ephemeral ECDH public key.
+		 * Keep accumulating lengths of various components in
+		 * param_len and make sure it never exceeds n.
+		 */
+
+		/* XXX: For now we only support named (not generic) curves
+		 * and the ECParameters in this case is just three bytes.
+		 */
+		param_len=3;
+		if ((param_len > n) ||
+		    (*p != NAMED_CURVE_TYPE) || 
+		    ((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);
+			goto f_err;
+			}
+
+		ngroup = EC_GROUP_new_by_curve_name(curve_nid);
+		if (ngroup == NULL)
+			{
+			SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_EC_LIB);
+			goto err;
+			}
+		if (EC_KEY_set_group(ecdh, ngroup) == 0)
+			{
+			SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_EC_LIB);
+			goto err;
+			}
+		EC_GROUP_free(ngroup);
+
+		group = EC_KEY_get0_group(ecdh);
+
+		if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) &&
+		    (EC_GROUP_get_degree(group) > 163))
+			{
+			al=SSL_AD_EXPORT_RESTRICTION;
+			SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER);
+			goto f_err;
+			}
+
+		p+=3;
+
+		/* Next, get the encoded ECPoint */
+		if (((srvr_ecpoint = EC_POINT_new(group)) == NULL) ||
+		    ((bn_ctx = BN_CTX_new()) == NULL))
+			{
+			SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
+			goto err;
+			}
+
+		encoded_pt_len = *p;  /* length of encoded point */
+		p+=1;
+		param_len += (1 + encoded_pt_len);
+		if ((param_len > n) ||
+		    (EC_POINT_oct2point(group, srvr_ecpoint, 
+			p, encoded_pt_len, bn_ctx) == 0))
+			{
+			al=SSL_AD_DECODE_ERROR;
+			SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_ECPOINT);
+			goto f_err;
+			}
+
+		n-=param_len;
+		p+=encoded_pt_len;
+
+		/* The ECC/TLS specification does not mention
+		 * the use of DSA to sign ECParameters in the server
+		 * key exchange message. We do support RSA and ECDSA.
+		 */
+		if (0) ;
+#ifndef OPENSSL_NO_RSA
+		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_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. */
+		EC_KEY_set_public_key(ecdh, srvr_ecpoint);
+		s->session->sess_cert->peer_ecdh_tmp=ecdh;
+		ecdh=NULL;
+		BN_CTX_free(bn_ctx);
+		EC_POINT_free(srvr_ecpoint);
+		srvr_ecpoint = NULL;
+		}
+	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 */
 
 
 	/* p points to the next byte, there are 'n' bytes left */
 
-
 	/* if it was signed, check the signature */
 	if (pkey != NULL)
 		{
@@ -1124,7 +1598,25 @@ static 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;
+				SSLerr(SSL_F_SSL3_GET_KEY_EXCHANGE,SSL_R_BAD_SIGNATURE);
+				goto f_err;
+				}
+			}
+		else
+#endif
+#ifndef OPENSSL_NO_ECDSA
+			if (pkey->type == EVP_PKEY_EC)
+			{
+			/* let's do ECDSA */
+			EVP_VerifyInit_ex(&md_ctx,EVP_ecdsa(), NULL);
+			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) <= 0)
 				{
 				/* bad signature */
 				al=SSL_AD_DECRYPT_ERROR;
@@ -1141,12 +1633,13 @@ static 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;
@@ -1168,21 +1661,28 @@ err:
 #ifndef OPENSSL_NO_DH
 	if (dh != NULL)
 		DH_free(dh);
+#endif
+#ifndef OPENSSL_NO_ECDH
+	BN_CTX_free(bn_ctx);
+	EC_POINT_free(srvr_ecpoint);
+	if (ecdh != NULL)
+		EC_KEY_free(ecdh);
 #endif
 	EVP_MD_CTX_cleanup(&md_ctx);
 	return(-1);
 	}
 
-static int ssl3_get_certificate_request(SSL *s)
+int ssl3_get_certificate_request(SSL *s)
 	{
 	int ok,ret=0;
 	unsigned long n,nc,l;
 	unsigned int llen,ctype_num,i;
 	X509_NAME *xn=NULL;
-	unsigned char *p,*d,*q;
+	const unsigned char *p,*q;
+	unsigned char *d;
 	STACK_OF(X509_NAME) *ca_sk=NULL;
 
-	n=ssl3_get_message(s,
+	n=s->method->ssl_get_message(s,
 		SSL3_ST_CR_CERT_REQ_A,
 		SSL3_ST_CR_CERT_REQ_B,
 		-1,
@@ -1209,8 +1709,7 @@ static 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);
@@ -1218,7 +1717,7 @@ static int ssl3_get_certificate_request(SSL *s)
 			}
 		}
 
-	d=p=(unsigned char *)s->init_msg;
+	p=d=(unsigned char *)s->init_msg;
 
 	if ((ca_sk=sk_X509_NAME_new(ca_dn_cmp)) == NULL)
 		{
@@ -1319,15 +1818,173 @@ static int ca_dn_cmp(const X509_NAME * const *a, const X509_NAME * const *b)
 	{
 	return(X509_NAME_cmp(*a,*b));
 	}
-
-static int ssl3_get_server_done(SSL *s)
+#ifndef OPENSSL_NO_TLSEXT
+int ssl3_get_new_session_ticket(SSL *s)
 	{
-	int ok,ret=0;
+	int ok,al,ret=0, ticklen;
 	long n;
+	const unsigned char *p;
+	unsigned char *d;
 
-	n=ssl3_get_message(s,
-		SSL3_ST_CR_SRVR_DONE_A,
-		SSL3_ST_CR_SRVR_DONE_B,
+	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;
+	/* There are two ways to detect a resumed ticket sesion.
+	 * One is to set an appropriate session ID and then the server
+	 * must return a match in ServerHello. This allows the normal
+	 * client session ID matching to work and we know much 
+	 * earlier that the ticket has been accepted.
+	 * 
+	 * The other way is to set zero length session ID when the
+	 * ticket is presented and rely on the handshake to determine
+	 * session resumption.
+	 *
+	 * We choose the former approach because this fits in with
+	 * assumptions elsewhere in OpenSSL. The session ID is set
+	 * to the SHA256 (or SHA1 is SHA256 is disabled) hash of the
+	 * ticket.
+	 */ 
+	EVP_Digest(p, ticklen,
+			s->session->session_id, &s->session->session_id_length,
+#ifndef OPENSSL_NO_SHA256
+							EVP_sha256(), NULL);
+#else
+							EVP_sha1(), NULL);
+#endif
+	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)
+	{
+	int ok,ret=0;
+	long n;
+
+	n=s->method->ssl_get_message(s,
+		SSL3_ST_CR_SRVR_DONE_A,
+		SSL3_ST_CR_SRVR_DONE_B,
 		SSL3_MT_SERVER_DONE,
 		30, /* should be very small, like 0 :-) */
 		&ok);
@@ -1338,35 +1995,45 @@ static int ssl3_get_server_done(SSL *s)
 		/* should contain no data */
 		ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECODE_ERROR);
 		SSLerr(SSL_F_SSL3_GET_SERVER_DONE,SSL_R_LENGTH_MISMATCH);
+		return -1;
 		}
 	ret=1;
 	return(ret);
 	}
 
-static int ssl3_send_client_key_exchange(SSL *s)
+
+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;
 #endif
 #ifndef OPENSSL_NO_KRB5
-        KSSL_ERR kssl_err;
+	KSSL_ERR kssl_err;
 #endif /* OPENSSL_NO_KRB5 */
+#ifndef OPENSSL_NO_ECDH
+	EC_KEY *clnt_ecdh = NULL;
+	const EC_POINT *srvr_ecpoint = NULL;
+	EVP_PKEY *srvr_pub_pkey = NULL;
+	unsigned char *encodedPoint = NULL;
+	int encoded_pt_len = 0;
+	BN_CTX * bn_ctx = NULL;
+#endif
 
 	if (s->state == SSL3_ST_CW_KEY_EXCH_A)
 		{
 		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) {}
+		/* 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];
@@ -1389,16 +2056,16 @@ static int ssl3_send_client_key_exchange(SSL *s)
 				
 			tmp_buf[0]=s->client_version>>8;
 			tmp_buf[1]=s->client_version&0xff;
-			if (RAND_bytes(&(tmp_buf[2]),SSL_MAX_MASTER_KEY_LENGTH-2) <= 0)
+			if (RAND_bytes(&(tmp_buf[2]),sizeof tmp_buf-2) <= 0)
 					goto err;
 
-			s->session->master_key_length=SSL_MAX_MASTER_KEY_LENGTH;
+			s->session->master_key_length=sizeof tmp_buf;
 
 			q=p;
 			/* Fix buf for TLS and beyond */
 			if (s->version > SSL3_VERSION)
 				p+=2;
-			n=RSA_public_encrypt(SSL_MAX_MASTER_KEY_LENGTH,
+			n=RSA_public_encrypt(sizeof tmp_buf,
 				tmp_buf,p,rsa,RSA_PKCS1_PADDING);
 #ifdef PKCS1_CHECK
 			if (s->options & SSL_OP_PKCS1_CHECK_1) p[1]++;
@@ -1420,29 +2087,31 @@ static int ssl3_send_client_key_exchange(SSL *s)
 			s->session->master_key_length=
 				s->method->ssl3_enc->generate_master_secret(s,
 					s->session->master_key,
-					tmp_buf,SSL_MAX_MASTER_KEY_LENGTH);
-			memset(tmp_buf,0,SSL_MAX_MASTER_KEY_LENGTH);
+					tmp_buf,sizeof tmp_buf);
+			OPENSSL_cleanse(tmp_buf,sizeof tmp_buf);
 			}
 #endif
 #ifndef OPENSSL_NO_KRB5
-		else if (l & SSL_kKRB5)
-                        {
-                        krb5_error_code	krb5rc;
-                        KSSL_CTX	*kssl_ctx = s->kssl_ctx;
-                        /*  krb5_data	krb5_ap_req;  */
-                        krb5_data	*enc_ticket;
-                        krb5_data	authenticator, *authp = NULL;
+		else if (alg_k & SSL_kKRB5)
+			{
+			krb5_error_code	krb5rc;
+			KSSL_CTX	*kssl_ctx = s->kssl_ctx;
+			/*  krb5_data	krb5_ap_req;  */
+			krb5_data	*enc_ticket;
+			krb5_data	authenticator, *authp = NULL;
 			EVP_CIPHER_CTX	ciph_ctx;
-			EVP_CIPHER	*enc = NULL;
+			const EVP_CIPHER *enc = NULL;
 			unsigned char	iv[EVP_MAX_IV_LENGTH];
 			unsigned char	tmp_buf[SSL_MAX_MASTER_KEY_LENGTH];
 			unsigned char	epms[SSL_MAX_MASTER_KEY_LENGTH 
 						+ EVP_MAX_IV_LENGTH];
 			int 		padl, outl = sizeof(epms);
 
+			EVP_CIPHER_CTX_init(&ciph_ctx);
+
 #ifdef KSSL_DEBUG
-                        printf("ssl3_send_client_key_exchange(%lx & %lx)\n",
-                                l, SSL_kKRB5);
+			printf("ssl3_send_client_key_exchange(%lx & %lx)\n",
+				alg_k, SSL_kKRB5);
 #endif	/* KSSL_DEBUG */
 
 			authp = NULL;
@@ -1450,37 +2119,37 @@ static int ssl3_send_client_key_exchange(SSL *s)
 			if (KRB5SENDAUTH)  authp = &authenticator;
 #endif	/* KRB5SENDAUTH */
 
-                        krb5rc = kssl_cget_tkt(kssl_ctx, &enc_ticket, authp,
+			krb5rc = kssl_cget_tkt(kssl_ctx, &enc_ticket, authp,
 				&kssl_err);
 			enc = kssl_map_enc(kssl_ctx->enctype);
-                        if (enc == NULL)
-                            goto err;
+			if (enc == NULL)
+			    goto err;
 #ifdef KSSL_DEBUG
-                        {
-                        printf("kssl_cget_tkt rtn %d\n", krb5rc);
-                        if (krb5rc && kssl_err.text)
+			{
+			printf("kssl_cget_tkt rtn %d\n", krb5rc);
+			if (krb5rc && kssl_err.text)
 			  printf("kssl_cget_tkt kssl_err=%s\n", kssl_err.text);
-                        }
+			}
 #endif	/* KSSL_DEBUG */
 
-                        if (krb5rc)
-                                {
-                                ssl3_send_alert(s,SSL3_AL_FATAL,
+			if (krb5rc)
+				{
+				ssl3_send_alert(s,SSL3_AL_FATAL,
 						SSL_AD_HANDSHAKE_FAILURE);
-                                SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+				SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
 						kssl_err.reason);
-                                goto err;
-                                }
+				goto err;
+				}
 
 			/*  20010406 VRS - Earlier versions used KRB5 AP_REQ
 			**  in place of RFC 2712 KerberosWrapper, as in:
 			**
-                        **  Send ticket (copy to *p, set n = length)
-                        **  n = krb5_ap_req.length;
-                        **  memcpy(p, krb5_ap_req.data, krb5_ap_req.length);
-                        **  if (krb5_ap_req.data)  
-                        **    kssl_krb5_free_data_contents(NULL,&krb5_ap_req);
-                        **
+			**  Send ticket (copy to *p, set n = length)
+			**  n = krb5_ap_req.length;
+			**  memcpy(p, krb5_ap_req.data, krb5_ap_req.length);
+			**  if (krb5_ap_req.data)  
+			**    kssl_krb5_free_data_contents(NULL,&krb5_ap_req);
+			**
 			**  Now using real RFC 2712 KerberosWrapper
 			**  (Thanks to Simon Wilkinson <sxw@sxw.org.uk>)
 			**  Note: 2712 "opaque" types are here replaced
@@ -1515,8 +2184,10 @@ static int ssl3_send_client_key_exchange(SSL *s)
 				n+=2;
 				}
  
-			if (RAND_bytes(tmp_buf,SSL_MAX_MASTER_KEY_LENGTH) <= 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);
@@ -1525,13 +2196,18 @@ static int ssl3_send_client_key_exchange(SSL *s)
 			**	EVP_EncryptInit_ex(&ciph_ctx,NULL, key,iv);
 			*/
 
-			memset(iv, 0, EVP_MAX_IV_LENGTH);  /* per RFC 1510 */
+			memset(iv, 0, sizeof iv);  /* per RFC 1510 */
 			EVP_EncryptInit_ex(&ciph_ctx,enc, NULL,
 				kssl_ctx->key,iv);
 			EVP_EncryptUpdate(&ciph_ctx,epms,&outl,tmp_buf,
-				SSL_MAX_MASTER_KEY_LENGTH);
+				sizeof tmp_buf);
 			EVP_EncryptFinal_ex(&ciph_ctx,&(epms[outl]),&padl);
 			outl += padl;
+			if (outl > (int)sizeof epms)
+				{
+				SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);
+				goto err;
+				}
 			EVP_CIPHER_CTX_cleanup(&ciph_ctx);
 
 			/*  KerberosWrapper.EncryptedPreMasterSecret	*/
@@ -1540,20 +2216,27 @@ static int ssl3_send_client_key_exchange(SSL *s)
 			p+=outl;
 			n+=outl + 2;
 
-                        s->session->master_key_length=
-                                s->method->ssl3_enc->generate_master_secret(s,
+			s->session->master_key_length=
+				s->method->ssl3_enc->generate_master_secret(s,
 					s->session->master_key,
-					tmp_buf, SSL_MAX_MASTER_KEY_LENGTH);
+					tmp_buf, sizeof tmp_buf);
 
-			memset(tmp_buf, 0, SSL_MAX_MASTER_KEY_LENGTH);
-			memset(epms, 0, outl);
-                        }
+			OPENSSL_cleanse(tmp_buf, sizeof tmp_buf);
+			OPENSSL_cleanse(epms, outl);
+			}
 #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
@@ -1605,10 +2288,370 @@ static int ssl3_send_client_key_exchange(SSL *s)
 			/* perhaps clean things up a bit EAY EAY EAY EAY*/
 			}
 #endif
+
+#ifndef OPENSSL_NO_ECDH 
+		else if (alg_k & (SSL_kEECDH|SSL_kECDHr|SSL_kECDHe))
+			{
+			const EC_GROUP *srvr_group = NULL;
+			EC_KEY *tkey;
+			int ecdh_clnt_cert = 0;
+			int field_size = 0;
+
+			/* Did we send out the client's
+			 * ECDH share for use in premaster
+			 * computation as part of client certificate?
+			 * If so, set ecdh_clnt_cert to 1.
+			 */
+			if ((alg_k & (SSL_kECDHr|SSL_kECDHe)) && (s->cert != NULL)) 
+				{
+				/* XXX: For now, we do not support client
+				 * authentication using ECDH certificates.
+				 * To add such support, one needs to add
+				 * code that checks for appropriate 
+				 * conditions and sets ecdh_clnt_cert to 1.
+				 * For example, the cert have an ECC
+				 * key on the same curve as the server's
+				 * and the key should be authorized for
+				 * key agreement.
+				 *
+				 * One also needs to add code in ssl3_connect
+				 * to skip sending the certificate verify
+				 * message.
+				 *
+				 * if ((s->cert->key->privatekey != NULL) &&
+				 *     (s->cert->key->privatekey->type ==
+				 *      EVP_PKEY_EC) && ...)
+				 * ecdh_clnt_cert = 1;
+				 */
+				}
+
+			if (s->session->sess_cert->peer_ecdh_tmp != NULL)
+				{
+				tkey = s->session->sess_cert->peer_ecdh_tmp;
+				}
+			else
+				{
+				/* Get the Server Public Key from Cert */
+				srvr_pub_pkey = X509_get_pubkey(s->session-> \
+				    sess_cert->peer_pkeys[SSL_PKEY_ECC].x509);
+				if ((srvr_pub_pkey == NULL) ||
+				    (srvr_pub_pkey->type != EVP_PKEY_EC) ||
+				    (srvr_pub_pkey->pkey.ec == NULL))
+					{
+					SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+					    ERR_R_INTERNAL_ERROR);
+					goto err;
+					}
+
+				tkey = srvr_pub_pkey->pkey.ec;
+				}
+
+			srvr_group   = EC_KEY_get0_group(tkey);
+			srvr_ecpoint = EC_KEY_get0_public_key(tkey);
+
+			if ((srvr_group == NULL) || (srvr_ecpoint == NULL))
+				{
+				SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+				    ERR_R_INTERNAL_ERROR);
+				goto err;
+				}
+
+			if ((clnt_ecdh=EC_KEY_new()) == NULL) 
+				{
+				SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
+				goto err;
+				}
+
+			if (!EC_KEY_set_group(clnt_ecdh, srvr_group))
+				{
+				SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_EC_LIB);
+				goto err;
+				}
+			if (ecdh_clnt_cert) 
+				{ 
+				/* Reuse key info from our certificate
+				 * We only need our private key to perform
+				 * the ECDH computation.
+				 */
+				const BIGNUM *priv_key;
+				tkey = s->cert->key->privatekey->pkey.ec;
+				priv_key = EC_KEY_get0_private_key(tkey);
+				if (priv_key == NULL)
+					{
+					SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
+					goto err;
+					}
+				if (!EC_KEY_set_private_key(clnt_ecdh, priv_key))
+					{
+					SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_EC_LIB);
+					goto err;
+					}
+				}
+			else 
+				{
+				/* Generate a new ECDH key pair */
+				if (!(EC_KEY_generate_key(clnt_ecdh)))
+					{
+					SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, ERR_R_ECDH_LIB);
+					goto err;
+					}
+				}
+
+			/* use the 'p' output buffer for the ECDH key, but
+			 * make sure to clear it out afterwards
+			 */
+
+			field_size = EC_GROUP_get_degree(srvr_group);
+			if (field_size <= 0)
+				{
+				SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE, 
+				       ERR_R_ECDH_LIB);
+				goto err;
+				}
+			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, 
+				       ERR_R_ECDH_LIB);
+				goto err;
+				}
+
+			/* generate master key from the result */
+			s->session->master_key_length = s->method->ssl3_enc \
+			    -> generate_master_secret(s, 
+				s->session->master_key,
+				p, n);
+
+			memset(p, 0, n); /* clean up */
+
+			if (ecdh_clnt_cert) 
+				{
+				/* Send empty client key exch message */
+				n = 0;
+				}
+			else 
+				{
+				/* First check the size of encoding and
+				 * allocate memory accordingly.
+				 */
+				encoded_pt_len = 
+				    EC_POINT_point2oct(srvr_group, 
+					EC_KEY_get0_public_key(clnt_ecdh), 
+					POINT_CONVERSION_UNCOMPRESSED, 
+					NULL, 0, NULL);
+
+				encodedPoint = (unsigned char *) 
+				    OPENSSL_malloc(encoded_pt_len * 
+					sizeof(unsigned char)); 
+				bn_ctx = BN_CTX_new();
+				if ((encodedPoint == NULL) || 
+				    (bn_ctx == NULL)) 
+					{
+					SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_MALLOC_FAILURE);
+					goto err;
+					}
+
+				/* Encode the public key */
+				n = EC_POINT_point2oct(srvr_group, 
+				    EC_KEY_get0_public_key(clnt_ecdh), 
+				    POINT_CONVERSION_UNCOMPRESSED, 
+				    encodedPoint, encoded_pt_len, bn_ctx);
+
+				*p = n; /* length of encoded point */
+				/* Encoded point will be copied here */
+				p += 1; 
+				/* copy the point */
+				memcpy((unsigned char *)p, encodedPoint, n);
+				/* increment n to account for length field */
+				n += 1; 
+				}
+
+			/* Free allocated memory */
+			BN_CTX_free(bn_ctx);
+			if (encodedPoint != NULL) OPENSSL_free(encodedPoint);
+			if (clnt_ecdh != NULL) 
+				 EC_KEY_free(clnt_ecdh);
+			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], tmp[256];
+			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->s3->tmp.cert_req && 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();
+				}
+			}			
+			/* 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;
+			msglen=255;
+			if (EVP_PKEY_encrypt(pkey_ctx,tmp,&msglen,premaster_secret,32)<0) {
+			SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+					SSL_R_LIBRARY_BUG);
+				goto err;
+			}
+			if (msglen >= 0x80)
+				{
+				*(p++)=0x81;
+				*(p++)= msglen & 0xff;
+				n=msglen+3;
+				}
+			else
+				{
+				*(p++)= msglen & 0xff;
+				n=msglen+2;
+				}
+			memcpy(p, tmp, msglen);
+			/* Check if pubkey from client certificate was used */
+			if (EVP_PKEY_CTX_ctrl(pkey_ctx, -1, -1, EVP_PKEY_CTRL_PEER_KEY, 2, NULL) > 0)
+				{
+				/* Set flag "skip certificate verify" */
+				s->s3->flags |= TLS1_FLAGS_SKIP_CERT_VERIFY;
+				}
+			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,SSL_AD_HANDSHAKE_FAILURE);
-			SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,ERR_R_INTERNAL_ERROR);
+			ssl3_send_alert(s, SSL3_AL_FATAL,
+			    SSL_AD_HANDSHAKE_FAILURE);
+			SSLerr(SSL_F_SSL3_SEND_CLIENT_KEY_EXCHANGE,
+			    ERR_R_INTERNAL_ERROR);
 			goto err;
 			}
 		
@@ -1624,36 +2667,52 @@ static int ssl3_send_client_key_exchange(SSL *s)
 	/* SSL3_ST_CW_KEY_EXCH_B */
 	return(ssl3_do_write(s,SSL3_RT_HANDSHAKE));
 err:
+#ifndef OPENSSL_NO_ECDH
+	BN_CTX_free(bn_ctx);
+	if (encodedPoint != NULL) OPENSSL_free(encodedPoint);
+	if (clnt_ecdh != NULL) 
+		EC_KEY_free(clnt_ecdh);
+	EVP_PKEY_free(srvr_pub_pkey);
+#endif
 	return(-1);
 	}
 
-static int ssl3_send_client_verify(SSL *s)
+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
 	unsigned long n;
-#ifndef OPENSSL_NO_DSA
 	int j;
-#endif
 
 	if (s->state == SSL3_ST_CW_CERT_VRFY_A)
 		{
 		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 )
@@ -1682,22 +2741,62 @@ static int ssl3_send_client_verify(SSL *s)
 			}
 		else
 #endif
+#ifndef OPENSSL_NO_ECDSA
+			if (pkey->type == EVP_PKEY_EC)
 			{
+			if (!ECDSA_sign(pkey->save_type,
+				&(data[MD5_DIGEST_LENGTH]),
+				SHA_DIGEST_LENGTH,&(p[2]),
+				(unsigned int *)&j,pkey->pkey.ec))
+				{
+				SSLerr(SSL_F_SSL3_SEND_CLIENT_VERIFY,
+				    ERR_R_ECDSA_LIB);
+				goto err;
+				}
+			s2n(j,p);
+			n=j+2;
+			}
+		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) <= 0) {
+			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);
 
+		s->state=SSL3_ST_CW_CERT_VRFY_B;
 		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);
 	}
 
-static int ssl3_send_client_certificate(SSL *s)
+int ssl3_send_client_certificate(SSL *s)
 	{
 	X509 *x509=NULL;
 	EVP_PKEY *pkey=NULL;
@@ -1721,8 +2820,7 @@ static 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;
@@ -1776,10 +2874,10 @@ static int ssl3_send_client_certificate(SSL *s)
 
 #define has_bits(i,m)	(((i)&(m)) == (m))
 
-static int ssl3_check_cert_and_algorithm(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
@@ -1789,20 +2887,20 @@ static int ssl3_check_cert_and_algorithm(SSL *s)
 	DH *dh;
 #endif
 
-	sc=s->session->sess_cert;
+	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 ((alg_a & (SSL_aDH|SSL_aNULL|SSL_aKRB5)) || (alg_k & SSL_kPSK))
+		return(1);
+
+	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;
-
-	/* we don't have a certificate */
-	if (algs & (SSL_aDH|SSL_aNULL|SSL_aKRB5))
-		return(1);
-
 #ifndef OPENSSL_NO_RSA
 	rsa=s->session->sess_cert->peer_rsa_tmp;
 #endif
@@ -1813,26 +2911,41 @@ static int ssl3_check_cert_and_algorithm(SSL *s)
 	/* This is the passed certificate */
 
 	idx=sc->peer_cert_type;
+#ifndef OPENSSL_NO_ECDH
+	if (idx == SSL_PKEY_ECC)
+		{
+		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;
+			}
+		else 
+			{
+			return 1;
+			}
+		}
+#endif
 	pkey=X509_get_pubkey(sc->peer_pkeys[idx].x509);
 	i=X509_certificate_type(sc->peer_pkeys[idx].x509,pkey);
 	EVP_PKEY_free(pkey);
 
 	
 	/* 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);
@@ -1840,19 +2953,19 @@ static 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;
@@ -1863,10 +2976,10 @@ static 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) > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
+			    || RSA_size(rsa)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
 				{
 				SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_EXPORT_TMP_RSA_KEY);
 				goto f_err;
@@ -1875,10 +2988,10 @@ static 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) > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
+				|| DH_size(dh)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
 				{
 				SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_EXPORT_TMP_DH_KEY);
 				goto f_err;
@@ -1898,3 +3011,77 @@ 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_TLSEXT
+# ifndef OPENSSL_NO_NPN
+int ssl3_send_next_proto(SSL *s)
+	{
+	unsigned int len, padding_len;
+	unsigned char *d;
+
+	if (s->state == SSL3_ST_CW_NEXT_PROTO_A)
+		{
+		len = s->next_proto_negotiated_len;
+		padding_len = 32 - ((len + 2) % 32);
+		d = (unsigned char *)s->init_buf->data;
+		d[4] = len;
+		memcpy(d + 5, s->next_proto_negotiated, len);
+		d[5 + len] = padding_len;
+		memset(d + 6 + len, 0, padding_len);
+		*(d++)=SSL3_MT_NEXT_PROTO;
+		l2n3(2 + len + padding_len, d);
+		s->state = SSL3_ST_CW_NEXT_PROTO_B;
+		s->init_num = 4 + 2 + len + padding_len;
+		s->init_off = 0;
+		}
+
+	return ssl3_do_write(s, SSL3_RT_HANDSHAKE);
+	}
+# endif
+
+int ssl3_check_finished(SSL *s)
+	{
+	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 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;
+	}