Inital import.

Initial fork from f2d678e6e89b6508147086610e985d4e8416e867 (1.0.2 beta).

(This change contains substantial changes from the original and
effectively starts a new history.)
diff --git a/ssl/s3_clnt.c b/ssl/s3_clnt.c
new file mode 100644
index 0000000..9698916
--- /dev/null
+++ b/ssl/s3_clnt.c
@@ -0,0 +1,3275 @@
+/* ssl/s3_clnt.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ * 
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ * 
+ * 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 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 acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from 
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ * 
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ * 
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * 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 <openssl/buf.h>
+#include <openssl/rand.h>
+#include <openssl/obj.h>
+#include <openssl/evp.h>
+#include <openssl/mem.h>
+#include <openssl/md5.h>
+#include <openssl/dh.h>
+#include <openssl/bn.h>
+#include <openssl/engine.h>
+#include <openssl/x509.h>
+
+#include "ssl_locl.h"
+#include "../crypto/dh/internal.h"
+
+static const 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());
+	else
+		return(NULL);
+	}
+
+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;
+	void (*cb)(const SSL *ssl,int type,int val)=NULL;
+	int ret= -1;
+	int new_state,state,skip=0;
+
+	ERR_clear_error();
+	ERR_clear_system_error();
+
+	if (s->info_callback != NULL)
+		cb=s->info_callback;
+	else if (s->ctx->info_callback != NULL)
+		cb=s->ctx->info_callback;
+	
+	s->in_handshake++;
+	if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s); 
+
+#ifndef OPENSSL_NO_HEARTBEATS
+	/* If we're awaiting a HeartbeatResponse, pretend we
+	 * already got and don't await it anymore, because
+	 * Heartbeats don't make sense during handshakes anyway.
+	 */
+	if (s->tlsext_hb_pending)
+		{
+		s->tlsext_hb_pending = 0;
+		s->tlsext_hb_seq++;
+		}
+#endif
+
+	for (;;)
+		{
+		state=s->state;
+
+		switch(s->state)
+			{
+		case SSL_ST_RENEGOTIATE:
+			s->renegotiate=1;
+			s->state=SSL_ST_CONNECT;
+			s->ctx->stats.sess_connect_renegotiate++;
+			/* break */
+		case SSL_ST_BEFORE:
+		case SSL_ST_CONNECT:
+		case SSL_ST_BEFORE|SSL_ST_CONNECT:
+		case SSL_ST_OK|SSL_ST_CONNECT:
+
+			s->server=0;
+			if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);
+
+			if ((s->version & 0xff00 ) != 0x0300)
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_connect, ERR_R_INTERNAL_ERROR);
+				ret = -1;
+				goto end;
+				}
+				
+			/* s->version=SSL3_VERSION; */
+			s->type=SSL_ST_CONNECT;
+
+			if (s->init_buf == NULL)
+				{
+				if ((buf=BUF_MEM_new()) == NULL)
+					{
+					ret= -1;
+					goto end;
+					}
+				if (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))
+					{
+					ret= -1;
+					goto end;
+					}
+				s->init_buf=buf;
+				buf=NULL;
+				}
+
+			if (!ssl3_setup_buffers(s)) { ret= -1; goto end; }
+
+			/* setup buffing BIO */
+			if (!ssl_init_wbio_buffer(s,0)) { ret= -1; goto end; }
+
+			/* don't push the buffering BIO quite yet */
+
+			ssl3_init_finished_mac(s);
+
+			s->state=SSL3_ST_CW_CLNT_HELLO_A;
+			s->ctx->stats.sess_connect++;
+			s->init_num=0;
+			break;
+
+		case SSL3_ST_CW_CLNT_HELLO_A:
+		case SSL3_ST_CW_CLNT_HELLO_B:
+
+			s->shutdown=0;
+			ret=ssl3_client_hello(s);
+			if (ret <= 0) goto end;
+			s->state=SSL3_ST_CR_SRVR_HELLO_A;
+			s->init_num=0;
+
+			/* turn on buffering for the next lot of output */
+			if (s->bbio != s->wbio)
+				s->wbio=BIO_push(s->bbio,s->wbio);
+
+			break;
+
+		case SSL3_ST_CR_SRVR_HELLO_A:
+		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;
+#ifndef OPENSSL_NO_TLSEXT
+				if (s->tlsext_ticket_expected)
+					{
+					/* receive renewed session ticket */
+					s->state=SSL3_ST_CR_SESSION_TICKET_A;
+					}
+#endif
+				}
+			else
+				{
+#ifndef OPENSSL_NO_TLSEXT
+				/* The server hello indicated that
+				 * an audit proof would follow. */
+				if (s->s3->tlsext_authz_server_promised)
+					s->state=SSL3_ST_CR_SUPPLEMENTAL_DATA_A;
+				else
+#endif
+					s->state=SSL3_ST_CR_CERT_A;
+				}
+			s->init_num=0;
+			break;
+#ifndef OPENSSL_NO_TLSEXT
+		case SSL3_ST_CR_SUPPLEMENTAL_DATA_A:
+		case SSL3_ST_CR_SUPPLEMENTAL_DATA_B:
+			ret = tls1_get_server_supplemental_data(s);
+			if (ret <= 0) goto end;
+			s->state=SSL3_ST_CR_CERT_A;
+			s->init_num = 0;
+			break;
+#endif
+		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 */
+			/* 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;
+
+		case SSL3_ST_CR_KEY_EXCH_A:
+		case SSL3_ST_CR_KEY_EXCH_B:
+			ret=ssl3_get_key_exchange(s);
+			if (ret <= 0) goto end;
+			s->state=SSL3_ST_CR_CERT_REQ_A;
+			s->init_num=0;
+
+			/* at this point we check that we have the
+			 * required stuff from the server */
+			if (!ssl3_check_cert_and_algorithm(s))
+				{
+				ret= -1;
+				goto end;
+				}
+			break;
+
+		case SSL3_ST_CR_CERT_REQ_A:
+		case SSL3_ST_CR_CERT_REQ_B:
+			ret=ssl3_get_certificate_request(s);
+			if (ret <= 0) goto end;
+			s->state=SSL3_ST_CR_SRVR_DONE_A;
+			s->init_num=0;
+			break;
+
+		case SSL3_ST_CR_SRVR_DONE_A:
+		case SSL3_ST_CR_SRVR_DONE_B:
+			ret=ssl3_get_server_done(s);
+			if (ret <= 0) goto end;
+			if (s->s3->tmp.cert_req)
+				s->state=SSL3_ST_CW_CERT_A;
+			else
+				s->state=SSL3_ST_CW_KEY_EXCH_A;
+			s->init_num=0;
+
+			break;
+
+		case SSL3_ST_CW_CERT_A:
+		case SSL3_ST_CW_CERT_B:
+		case SSL3_ST_CW_CERT_C:
+		case SSL3_ST_CW_CERT_D:
+			ret=ssl3_send_client_certificate(s);
+			if (ret <= 0) goto end;
+			s->state=SSL3_ST_CW_KEY_EXCH_A;
+			s->init_num=0;
+			break;
+
+		case SSL3_ST_CW_KEY_EXCH_A:
+		case SSL3_ST_CW_KEY_EXCH_B:
+			ret=ssl3_send_client_key_exchange(s);
+			if (ret <= 0) goto end;
+			/* 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;
+				}
+			else
+				{
+				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;
+
+		case SSL3_ST_CW_CERT_VRFY_A:
+		case SSL3_ST_CW_CERT_VRFY_B:
+			ret=ssl3_send_client_verify(s);
+			if (ret <= 0) goto end;
+			s->state=SSL3_ST_CW_CHANGE_A;
+			s->init_num=0;
+			s->s3->change_cipher_spec=0;
+			break;
+
+		case SSL3_ST_CW_CHANGE_A:
+		case SSL3_ST_CW_CHANGE_B:
+			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_NEXTPROTONEG)
+			s->state=SSL3_ST_CW_FINISHED_A;
+#else
+			if (s->s3->next_proto_neg_seen)
+				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;
+			s->session->compress_meth=0;
+			if (!s->method->ssl3_enc->setup_key_block(s))
+				{
+				ret= -1;
+				goto end;
+				}
+
+			if (!s->method->ssl3_enc->change_cipher_state(s,
+				SSL3_CHANGE_CIPHER_CLIENT_WRITE))
+				{
+				ret= -1;
+				goto end;
+				}
+
+			break;
+
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+		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,
+				SSL3_ST_CW_FINISHED_A,SSL3_ST_CW_FINISHED_B,
+				s->method->ssl3_enc->client_finished_label,
+				s->method->ssl3_enc->client_finished_label_len);
+			if (ret <= 0) goto end;
+			s->state=SSL3_ST_CW_FLUSH;
+
+			/* clear flags */
+			s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
+			if (s->hit)
+				{
+				s->s3->tmp.next_state=SSL_ST_OK;
+				if (s->s3->flags & SSL3_FLAGS_DELAY_CLIENT_FINISHED)
+					{
+					s->state=SSL_ST_OK;
+					s->s3->flags|=SSL3_FLAGS_POP_BUFFER;
+					s->s3->delay_buf_pop_ret=0;
+					}
+				}
+			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:
+
+			ret=ssl3_get_finished(s,SSL3_ST_CR_FINISHED_A,
+				SSL3_ST_CR_FINISHED_B);
+			if (ret <= 0) goto end;
+
+			if (s->hit)
+				s->state=SSL3_ST_CW_CHANGE_A;
+			else
+				s->state=SSL_ST_OK;
+			s->init_num=0;
+			break;
+
+		case SSL3_ST_CW_FLUSH:
+			s->rwstate=SSL_WRITING;
+			if (BIO_flush(s->wbio) <= 0)
+				{
+				ret= -1;
+				goto end;
+				}
+			s->rwstate=SSL_NOTHING;
+			s->state=s->s3->tmp.next_state;
+			break;
+
+		case SSL_ST_OK:
+			/* clean a few things up */
+			ssl3_cleanup_key_block(s);
+
+			if (s->init_buf != NULL)
+				{
+				BUF_MEM_free(s->init_buf);
+				s->init_buf=NULL;
+				}
+
+			/* If we are not 'joining' the last two packets,
+			 * remove the buffering now */
+			if (!(s->s3->flags & SSL3_FLAGS_POP_BUFFER))
+				ssl_free_wbio_buffer(s);
+			/* else do it later in ssl3_write */
+
+			s->init_num=0;
+			s->renegotiate=0;
+			s->new_session=0;
+
+			ssl_update_cache(s,SSL_SESS_CACHE_CLIENT);
+			if (s->hit) s->ctx->stats.sess_hit++;
+
+			ret=1;
+			/* s->server=0; */
+			s->handshake_func=ssl3_connect;
+			s->ctx->stats.sess_connect_good++;
+
+			if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_DONE,1);
+
+			goto end;
+			/* break; */
+			
+		default:
+			OPENSSL_PUT_ERROR(SSL, ssl3_connect, SSL_R_UNKNOWN_STATE);
+			ret= -1;
+			goto end;
+			/* break; */
+			}
+
+		/* did we do anything */
+		if (!s->s3->tmp.reuse_message && !skip)
+			{
+			if (s->debug)
+				{
+				if ((ret=BIO_flush(s->wbio)) <= 0)
+					goto end;
+				}
+
+			if ((cb != NULL) && (s->state != state))
+				{
+				new_state=s->state;
+				s->state=state;
+				cb(s,SSL_CB_CONNECT_LOOP,1);
+				s->state=new_state;
+				}
+			}
+		skip=0;
+		}
+end:
+	s->in_handshake--;
+	if (buf != NULL)
+		BUF_MEM_free(buf);
+	if (cb != NULL)
+		cb(s,SSL_CB_CONNECT_EXIT,ret);
+	return(ret);
+	}
+
+
+int ssl3_client_hello(SSL *s)
+	{
+	unsigned char *buf;
+	unsigned char *p,*d;
+	int i;
+	unsigned long l;
+
+	buf=(unsigned char *)s->init_buf->data;
+	if (s->state == SSL3_ST_CW_CLNT_HELLO_A)
+		{
+		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;
+			}
+		if (s->method->version == DTLS_ANY_VERSION)
+			{
+			/* Determine which DTLS version to use */
+			int options = s->options;
+			/* If DTLS 1.2 disabled correct the version number */
+			if (options & SSL_OP_NO_DTLSv1_2)
+				{
+				if (tls1_suiteb(s))
+					{
+					OPENSSL_PUT_ERROR(SSL, ssl3_client_hello, SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE);
+					goto err;
+					}
+				/* Disabling all versions is silly: return an
+				 * error.
+				 */
+				if (options & SSL_OP_NO_DTLSv1)
+					{
+					OPENSSL_PUT_ERROR(SSL, ssl3_client_hello, SSL_R_WRONG_SSL_VERSION);
+					goto err;
+					}
+				/* Update method so we don't use any DTLS 1.2
+				 * features.
+				 */
+				s->method = DTLSv1_client_method();
+				s->version = DTLS1_VERSION;
+				}
+			else
+				{
+				/* We only support one version: update method */
+				if (options & SSL_OP_NO_DTLSv1)
+					s->method = DTLSv1_2_client_method();
+				s->version = DTLS1_2_VERSION;
+				}
+			s->client_version = s->version;
+			}
+		/* else use the pre-loaded session */
+
+		p=s->s3->client_random;
+
+		/* for DTLS if client_random is initialized, reuse it, we are
+		 * required to use same upon reply to HelloVerify */
+		if (SSL_IS_DTLS(s))
+			{
+			size_t idx;
+			i = 1;
+			for (idx=0; idx < sizeof(s->s3->client_random); idx++)
+				{
+				if (p[idx])
+					{
+					i = 0;
+					break;
+					}
+				}
+			}
+		else 
+			i = 1;
+
+		if (i)
+			ssl_fill_hello_random(s, 0, p,
+					      sizeof(s->s3->client_random));
+
+		/* Do the message type and length last */
+		d=p= ssl_handshake_start(s);
+
+		/* version indicates the negotiated version: for example from
+		 * an SSLv2/v3 compatible client hello). The client_version
+		 * field is the maximum version we permit and it is also
+		 * used in RSA encrypted premaster secrets. Some servers can
+		 * choke if we initially report a higher version then
+		 * renegotiate to a lower one in the premaster secret. This
+		 * didn't happen with TLS 1.0 as most servers supported it
+		 * but it can with TLS 1.1 or later if the server only supports
+		 * 1.0.
+		 *
+		 * Possible scenario with previous logic:
+		 * 	1. Client hello indicates TLS 1.2
+		 * 	2. Server hello says TLS 1.0
+		 *	3. RSA encrypted premaster secret uses 1.2.
+		 * 	4. Handhaked proceeds using TLS 1.0.
+		 *	5. Server sends hello request to renegotiate.
+		 *	6. Client hello indicates TLS v1.0 as we now
+		 *	   know that is maximum server supports.
+		 *	7. Server chokes on RSA encrypted premaster secret
+		 *	   containing version 1.0.
+		 *
+		 * For interoperability it should be OK to always use the
+		 * maximum version we support in client hello and then rely
+		 * on the checking of version to ensure the servers isn't
+		 * being inconsistent: for example initially negotiating with
+		 * TLS 1.0 and renegotiating with TLS 1.2. We do this by using
+		 * client_version in client hello and not resetting it to
+		 * the negotiated version.
+		 */
+#if 0
+		*(p++)=s->version>>8;
+		*(p++)=s->version&0xff;
+		s->client_version=s->version;
+#else
+		*(p++)=s->client_version>>8;
+		*(p++)=s->client_version&0xff;
+#endif
+
+		/* Random stuff */
+		memcpy(p,s->s3->client_random,SSL3_RANDOM_SIZE);
+		p+=SSL3_RANDOM_SIZE;
+
+		/* Session ID */
+		if (s->new_session)
+			i=0;
+		else
+			i=s->session->session_id_length;
+		*(p++)=i;
+		if (i != 0)
+			{
+			if (i > (int)sizeof(s->session->session_id))
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_client_hello, ERR_R_INTERNAL_ERROR);
+				goto err;
+				}
+			memcpy(p,s->session->session_id,i);
+			p+=i;
+			}
+		
+		/* cookie stuff for DTLS */
+		if (SSL_IS_DTLS(s))
+			{
+			if ( s->d1->cookie_len > sizeof(s->d1->cookie))
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_client_hello, ERR_R_INTERNAL_ERROR);
+				goto err;
+				}
+			*(p++) = s->d1->cookie_len;
+			memcpy(p, s->d1->cookie, s->d1->cookie_len);
+			p += s->d1->cookie_len;
+			}
+		
+		/* Ciphers supported */
+		i=ssl_cipher_list_to_bytes(s,SSL_get_ciphers(s),&(p[2]),0);
+		if (i == 0)
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_client_hello, SSL_R_NO_CIPHERS_AVAILABLE);
+			goto err;
+			}
+#ifdef OPENSSL_MAX_TLS1_2_CIPHER_LENGTH
+			/* Some servers hang if client hello > 256 bytes
+			 * as hack workaround chop number of supported ciphers
+			 * to keep it well below this if we use TLS v1.2
+			 */
+			if (TLS1_get_version(s) >= TLS1_2_VERSION
+				&& i > OPENSSL_MAX_TLS1_2_CIPHER_LENGTH)
+				i = OPENSSL_MAX_TLS1_2_CIPHER_LENGTH & ~1;
+#endif
+		s2n(i,p);
+		p+=i;
+
+		/* COMPRESSION */
+		*(p++)=1;
+		*(p++)=0; /* Add the NULL method */
+
+#ifndef OPENSSL_NO_TLSEXT
+		/* TLS extensions*/
+		if (ssl_prepare_clienthello_tlsext(s) <= 0)
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_client_hello, SSL_R_CLIENTHELLO_TLSEXT);
+			goto err;
+			}
+		if ((p = ssl_add_clienthello_tlsext(s, p, buf+SSL3_RT_MAX_PLAIN_LENGTH)) == NULL)
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_client_hello, ERR_R_INTERNAL_ERROR);
+			goto err;
+			}
+#endif
+		
+		l= p-d;
+		ssl_set_handshake_header(s, SSL3_MT_CLIENT_HELLO, l);
+		s->state=SSL3_ST_CW_CLNT_HELLO_B;
+		}
+
+	/* SSL3_ST_CW_CLNT_HELLO_B */
+	return ssl_do_write(s);
+err:
+	return(-1);
+	}
+
+int ssl3_get_server_hello(SSL *s)
+	{
+	STACK_OF(SSL_CIPHER) *sk;
+	const SSL_CIPHER *c;
+	CERT *ct = s->cert;
+	unsigned char *p,*d;
+	int al=SSL_AD_INTERNAL_ERROR,ok;
+	unsigned int j;
+	long n;
+	/* Hello verify request and/or server hello version may not
+	 * match so set first packet if we're negotiating version.
+	 */
+	if (SSL_IS_DTLS(s))
+		s->first_packet = 1;
+
+	n=s->method->ssl_get_message(s,
+		SSL3_ST_CR_SRVR_HELLO_A,
+		SSL3_ST_CR_SRVR_HELLO_B,
+		-1,
+		20000, /* ?? */
+		&ok);
+
+	if (!ok) return((int)n);
+
+	if (SSL_IS_DTLS(s))
+		{
+		s->first_packet = 0;
+		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;
+				OPENSSL_PUT_ERROR(SSL, 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;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_BAD_MESSAGE_TYPE);
+		goto f_err;
+		}
+
+	d=p=(unsigned char *)s->init_msg;
+	if (s->method->version == DTLS_ANY_VERSION)
+		{
+		/* Work out correct protocol version to use */
+		int hversion = (p[0] << 8)|p[1];
+		int options = s->options;
+		if (hversion == DTLS1_2_VERSION
+			&& !(options & SSL_OP_NO_DTLSv1_2))
+			s->method = DTLSv1_2_client_method();
+		else if (tls1_suiteb(s))
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_ONLY_DTLS_1_2_ALLOWED_IN_SUITEB_MODE);
+			s->version = hversion;
+			al = SSL_AD_PROTOCOL_VERSION;
+			goto f_err;
+			}
+		else if (hversion == DTLS1_VERSION
+			&& !(options & SSL_OP_NO_DTLSv1))
+			s->method = DTLSv1_client_method();
+		else
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_WRONG_SSL_VERSION);
+			s->version = hversion;
+			al = SSL_AD_PROTOCOL_VERSION;
+			goto f_err;
+			}
+		s->version = s->client_version = s->method->version;
+		}
+
+	if ((p[0] != (s->version>>8)) || (p[1] != (s->version&0xff)))
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_WRONG_SSL_VERSION);
+		s->version=(s->version&0xff00)|p[1];
+		al=SSL_AD_PROTOCOL_VERSION;
+		goto f_err;
+		}
+	p+=2;
+
+	/* load the server hello data */
+	/* load the server random */
+	memcpy(s->s3->server_random,p,SSL3_RANDOM_SIZE);
+	p+=SSL3_RANDOM_SIZE;
+
+	/* get the session-id */
+	j= *(p++);
+
+	if ((j > sizeof s->session->session_id) || (j > SSL3_SESSION_ID_SIZE))
+		{
+		al=SSL_AD_ILLEGAL_PARAMETER;
+		OPENSSL_PUT_ERROR(SSL, 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)
+		{
+		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)
+	    {
+	    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;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_ATTEMPT_TO_REUSE_SESSION_IN_DIFFERENT_CONTEXT);
+		goto f_err;
+		}
+	    s->hit=1;
+	    }
+	else	/* a miss or crap from the other end */
+		{
+		/* If we were trying for session-id reuse, make a new
+		 * SSL_SESSION so we don't stuff up other people */
+		s->hit=0;
+		if (s->session->session_id_length > 0)
+			{
+			if (!ssl_get_new_session(s,0))
+				{
+				goto f_err;
+				}
+			}
+		s->session->session_id_length=j;
+		memcpy(s->session->session_id,p,j); /* j could be 0 */
+		}
+	p+=j;
+	c=ssl_get_cipher_by_char(s,p);
+	if (c == NULL)
+		{
+		/* unknown cipher */
+		al=SSL_AD_ILLEGAL_PARAMETER;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_UNKNOWN_CIPHER_RETURNED);
+		goto f_err;
+		}
+	/* If it is a disabled cipher we didn't send it in client hello,
+	 * so return an error.
+	 */
+	if (c->algorithm_ssl & ct->mask_ssl ||
+		c->algorithm_mkey & ct->mask_k ||
+		c->algorithm_auth & ct->mask_a)
+		{
+		al=SSL_AD_ILLEGAL_PARAMETER;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_WRONG_CIPHER_RETURNED);
+		goto f_err;
+		}
+	p+=ssl_put_cipher_by_char(s,NULL,NULL);
+
+	sk=ssl_get_ciphers_by_id(s);
+	if (!sk_SSL_CIPHER_find(sk, NULL, c))
+		{
+		/* we did not say we would use this cipher */
+		al=SSL_AD_ILLEGAL_PARAMETER;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_WRONG_CIPHER_RETURNED);
+		goto f_err;
+		}
+
+	/* 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))
+		{
+/* Workaround is now obsolete */
+#if 0
+		if (!(s->options &
+			SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG))
+#endif
+			{
+			al=SSL_AD_ILLEGAL_PARAMETER;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_OLD_SESSION_CIPHER_NOT_RETURNED);
+			goto f_err;
+			}
+		}
+	s->s3->tmp.new_cipher=c;
+	/* Don't digest cached records if no sigalgs: we may need them for
+	 * client authentication.
+	 */
+	if (!SSL_USE_SIGALGS(s) && !ssl3_digest_cached_records(s))
+		goto f_err;
+	/* lets get the compression algorithm */
+	/* COMPRESSION */
+	if (*(p++) != 0)
+		{
+		al=SSL_AD_ILLEGAL_PARAMETER;
+		OPENSSL_PUT_ERROR(SSL, 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)
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_INCONSISTENT_COMPRESSION);
+		goto f_err;
+		}
+
+#ifndef OPENSSL_NO_TLSEXT
+	/* TLS extensions*/
+	if (!ssl_parse_serverhello_tlsext(s,&p,d,n))
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_PARSE_TLSEXT);
+		goto err; 
+		}
+#endif
+
+	if (p != (d+n))
+		{
+		/* wrong packet length */
+		al=SSL_AD_DECODE_ERROR;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello, SSL_R_BAD_PACKET_LENGTH);
+		goto f_err;
+		}
+
+	return(1);
+f_err:
+	ssl3_send_alert(s,SSL3_AL_FATAL,al);
+err:
+	return(-1);
+	}
+
+int ssl3_get_server_certificate(SSL *s)
+	{
+	int al,i,ok,ret= -1;
+	unsigned long n,nc,llen,l;
+	X509 *x=NULL;
+	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 */
+
+	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);
+
+	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);
+		}
+
+	if (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE)
+		{
+		al=SSL_AD_UNEXPECTED_MESSAGE;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, SSL_R_BAD_MESSAGE_TYPE);
+		goto f_err;
+		}
+	p=d=(unsigned char *)s->init_msg;
+
+	if ((sk=sk_X509_new_null()) == NULL)
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+
+	n2l3(p,llen);
+	if (llen+3 != n)
+		{
+		al=SSL_AD_DECODE_ERROR;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, SSL_R_LENGTH_MISMATCH);
+		goto f_err;
+		}
+	for (nc=0; nc<llen; )
+		{
+		n2l3(p,l);
+		if ((l+nc+3) > llen)
+			{
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, SSL_R_CERT_LENGTH_MISMATCH);
+			goto f_err;
+			}
+
+		q=p;
+		x=d2i_X509(NULL,&q,l);
+		if (x == NULL)
+			{
+			al=SSL_AD_BAD_CERTIFICATE;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, ERR_R_ASN1_LIB);
+			goto f_err;
+			}
+		if (q != (p+l))
+			{
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, SSL_R_CERT_LENGTH_MISMATCH);
+			goto f_err;
+			}
+		if (!sk_X509_push(sk,x))
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, ERR_R_MALLOC_FAILURE);
+			goto err;
+			}
+		x=NULL;
+		nc+=l+3;
+		p=q;
+		}
+
+	i=ssl_verify_cert_chain(s,sk);
+	if ((s->verify_mode != SSL_VERIFY_NONE) && (i <= 0)
+		)
+		{
+		al=ssl_verify_alarm_type(s->verify_result);
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, SSL_R_CERTIFICATE_VERIFY_FAILED);
+		goto f_err; 
+		}
+	ERR_clear_error(); /* but we keep s->verify_result */
+
+	sc=ssl_sess_cert_new();
+	if (sc == NULL) goto err;
+
+	if (s->session->sess_cert) ssl_sess_cert_free(s->session->sess_cert);
+	s->session->sess_cert=sc;
+
+	sc->cert_chain=sk;
+	/* Inconsistency alert: cert_chain does include the peer's
+	 * certificate, which we don't include in s3_srvr.c */
+	x=sk_X509_value(sk,0);
+	sk=NULL;
+ 	/* VRS 19990621: possible memory leak; sk=null ==> !sk_pop_free() @end*/
+
+	pkey=X509_get_pubkey(x);
+
+	/* 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, %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)))
+		{
+		x=NULL;
+		al=SSL3_AL_FATAL;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, SSL_R_UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS);
+		goto f_err;
+		}
+
+	i=ssl_cert_type(x,pkey);
+	if (need_cert && i < 0)
+		{
+		x=NULL;
+		al=SSL3_AL_FATAL;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
+		goto f_err;
+		}
+
+	if (need_cert)
+		{
+		int exp_idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher);
+		if (exp_idx >= 0 && i != exp_idx)
+			{
+			x=NULL;
+			al=SSL_AD_ILLEGAL_PARAMETER;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, SSL_R_WRONG_CERTIFICATE_TYPE);
+			goto f_err;
+			}
+		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;
+#ifndef OPENSSL_NO_TLSEXT
+	/* Check the audit proof. */
+	if (s->ctx->tlsext_authz_server_audit_proof_cb)
+		{
+		ret = s->ctx->tlsext_authz_server_audit_proof_cb(s,
+			s->ctx->tlsext_authz_server_audit_proof_cb_arg);
+		if (ret <= 0)
+			{
+			al = SSL_AD_BAD_CERTIFICATE;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_server_certificate, SSL_R_INVALID_AUDIT_PROOF);
+			goto f_err;
+			}
+		}
+
+#endif
+	ret=1;
+	if (0)
+		{
+f_err:
+		ssl3_send_alert(s,SSL3_AL_FATAL,al);
+		}
+err:
+	EVP_PKEY_free(pkey);
+	X509_free(x);
+	sk_X509_pop_free(sk,X509_free);
+	return(ret);
+	}
+
+int ssl3_get_key_exchange(SSL *s)
+	{
+#ifndef OPENSSL_NO_RSA
+	unsigned char *q,md_buf[EVP_MAX_MD_SIZE*2];
+#endif
+	EVP_MD_CTX md_ctx;
+	unsigned char *param,*p;
+	int al,i,j,param_len,ok;
+	long n,alg_k,alg_a;
+	EVP_PKEY *pkey=NULL;
+	const EVP_MD *md = NULL;
+#ifndef OPENSSL_NO_RSA
+	RSA *rsa=NULL;
+#endif
+#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=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
+		if (s->session->sess_cert->peer_rsa_tmp != NULL)
+			{
+			RSA_free(s->session->sess_cert->peer_rsa_tmp);
+			s->session->sess_cert->peer_rsa_tmp=NULL;
+			}
+#endif
+#ifndef OPENSSL_NO_DH
+		if (s->session->sess_cert->peer_dh_tmp)
+			{
+			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
+		{
+		s->session->sess_cert=ssl_sess_cert_new();
+		}
+
+	param_len=0;
+	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)
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_DATA_LENGTH_TOO_LONG);
+			goto f_err;
+			}
+		if (param_len > n)
+			{
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, 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)
+			{
+			OPENSSL_PUT_ERROR(SSL, 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_k & SSL_kRSA)
+		{
+		if ((rsa=RSA_new()) == NULL)
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, ERR_R_MALLOC_FAILURE);
+			goto err;
+			}
+		n2s(p,i);
+		param_len=i+2;
+		if (param_len > n)
+			{
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_BAD_RSA_MODULUS_LENGTH);
+			goto f_err;
+			}
+		if (!(rsa->n=BN_bin2bn(p,i,rsa->n)))
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, ERR_R_BN_LIB);
+			goto err;
+			}
+		p+=i;
+
+		n2s(p,i);
+		param_len+=i+2;
+		if (param_len > n)
+			{
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_BAD_RSA_E_LENGTH);
+			goto f_err;
+			}
+		if (!(rsa->e=BN_bin2bn(p,i,rsa->e)))
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, ERR_R_BN_LIB);
+			goto err;
+			}
+		p+=i;
+		n-=param_len;
+
+		/* this should be because we are using an export cipher */
+		if (alg_a & SSL_aRSA)
+			pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
+		else
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, ERR_R_INTERNAL_ERROR);
+			goto err;
+			}
+		s->session->sess_cert->peer_rsa_tmp=rsa;
+		rsa=NULL;
+		}
+#else /* OPENSSL_NO_RSA */
+	if (0)
+		;
+#endif
+#ifndef OPENSSL_NO_DH
+	else if (alg_k & SSL_kEDH)
+		{
+		if ((dh=DH_new()) == NULL)
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, ERR_R_DH_LIB);
+			goto err;
+			}
+		n2s(p,i);
+		param_len=i+2;
+		if (param_len > n)
+			{
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_BAD_DH_P_LENGTH);
+			goto f_err;
+			}
+		if (!(dh->p=BN_bin2bn(p,i,NULL)))
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, ERR_R_BN_LIB);
+			goto err;
+			}
+		p+=i;
+
+		n2s(p,i);
+		param_len+=i+2;
+		if (param_len > n)
+			{
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_BAD_DH_G_LENGTH);
+			goto f_err;
+			}
+		if (!(dh->g=BN_bin2bn(p,i,NULL)))
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, ERR_R_BN_LIB);
+			goto err;
+			}
+		p+=i;
+
+		n2s(p,i);
+		param_len+=i+2;
+		if (param_len > n)
+			{
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_BAD_DH_PUB_KEY_LENGTH);
+			goto f_err;
+			}
+		if (!(dh->pub_key=BN_bin2bn(p,i,NULL)))
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, ERR_R_BN_LIB);
+			goto err;
+			}
+		p+=i;
+		n-=param_len;
+
+#ifndef OPENSSL_NO_RSA
+		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_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. */
+
+		s->session->sess_cert->peer_dh_tmp=dh;
+		dh=NULL;
+		}
+	else if ((alg_k & SSL_kDHr) || (alg_k & SSL_kDHd))
+		{
+		al=SSL_AD_ILLEGAL_PARAMETER;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_TRIED_TO_USE_UNSUPPORTED_CIPHER);
+		goto f_err;
+		}
+#endif /* !OPENSSL_NO_DH */
+
+#ifndef OPENSSL_NO_ECDH
+	else if (alg_k & SSL_kEECDH)
+		{
+		EC_GROUP *ngroup;
+		const EC_GROUP *group;
+
+		if ((ecdh=EC_KEY_new()) == NULL)
+			{
+			OPENSSL_PUT_ERROR(SSL, 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;
+		/* Check curve is one of our prefrences, if not server has
+		 * sent an invalid curve.
+		 */
+		if (!tls1_check_curve(s, p, param_len))
+			{
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_WRONG_CURVE);
+			goto f_err;
+			}
+
+		if ((curve_nid = tls1_ec_curve_id2nid(*(p + 2))) == 0) 
+			{
+			al=SSL_AD_INTERNAL_ERROR;
+			OPENSSL_PUT_ERROR(SSL, 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)
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, ERR_R_EC_LIB);
+			goto err;
+			}
+		if (EC_KEY_set_group(ecdh, ngroup) == 0)
+			{
+			OPENSSL_PUT_ERROR(SSL, 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;
+			OPENSSL_PUT_ERROR(SSL, 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))
+			{
+			OPENSSL_PUT_ERROR(SSL, 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;
+			OPENSSL_PUT_ERROR(SSL, 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);
+		bn_ctx = NULL;
+		EC_POINT_free(srvr_ecpoint);
+		srvr_ecpoint = NULL;
+		}
+	else if (alg_k)
+		{
+		al=SSL_AD_UNEXPECTED_MESSAGE;
+		OPENSSL_PUT_ERROR(SSL, 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)
+		{
+		if (SSL_USE_SIGALGS(s))
+			{
+			int rv = tls12_check_peer_sigalg(&md, s, p, pkey);
+			if (rv == -1)
+				goto err;
+			else if (rv == 0)
+				{
+				al = SSL_AD_DECODE_ERROR;
+				goto f_err;
+				}
+#ifdef SSL_DEBUG
+fprintf(stderr, "USING TLSv1.2 HASH %s\n", EVP_MD_name(md));
+#endif
+			p += 2;
+			n -= 2;
+			}
+		else
+			md = EVP_sha1();
+			
+		n2s(p,i);
+		n-=2;
+		j=EVP_PKEY_size(pkey);
+
+		if ((i != n) || (n > j) || (n <= 0))
+			{
+			/* wrong packet length */
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_WRONG_SIGNATURE_LENGTH);
+			goto f_err;
+			}
+
+#ifndef OPENSSL_NO_RSA
+		if (pkey->type == EVP_PKEY_RSA && !SSL_USE_SIGALGS(s))
+			{
+			int num;
+
+			j=0;
+			q=md_buf;
+			for (num=2; num > 0; num--)
+				{
+				EVP_DigestInit_ex(&md_ctx,(num == 2)
+					?s->ctx->md5:s->ctx->sha1, NULL);
+				EVP_DigestUpdate(&md_ctx,&(s->s3->client_random[0]),SSL3_RANDOM_SIZE);
+				EVP_DigestUpdate(&md_ctx,&(s->s3->server_random[0]),SSL3_RANDOM_SIZE);
+				EVP_DigestUpdate(&md_ctx,param,param_len);
+				EVP_DigestFinal_ex(&md_ctx,q,(unsigned int *)&i);
+				q+=i;
+				j+=i;
+				}
+			i=RSA_verify(NID_md5_sha1, md_buf, j, p, n,
+								pkey->pkey.rsa);
+			if (i < 0)
+				{
+				al=SSL_AD_DECRYPT_ERROR;
+				OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_BAD_RSA_DECRYPT);
+				goto f_err;
+				}
+			if (i == 0)
+				{
+				/* bad signature */
+				al=SSL_AD_DECRYPT_ERROR;
+				OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_BAD_SIGNATURE);
+				goto f_err;
+				}
+			}
+		else
+#endif
+			{
+			EVP_VerifyInit_ex(&md_ctx, md, 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;
+				OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_BAD_SIGNATURE);
+				goto f_err;
+				}
+			}
+		}
+	else
+		{
+		/* aNULL or kPSK do not need public keys */
+		if (!(alg_a & SSL_aNULL) && !(alg_k & SSL_kPSK))
+			{
+			/* Might be wrong key type, check it */
+			if (ssl3_check_cert_and_algorithm(s))
+				/* Otherwise this shouldn't happen */
+				OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, ERR_R_INTERNAL_ERROR);
+			goto err;
+			}
+		/* still data left over */
+		if (n != 0)
+			{
+			al=SSL_AD_DECODE_ERROR;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_key_exchange, SSL_R_EXTRA_DATA_IN_MESSAGE);
+			goto f_err;
+			}
+		}
+	EVP_PKEY_free(pkey);
+	EVP_MD_CTX_cleanup(&md_ctx);
+	return(1);
+f_err:
+	ssl3_send_alert(s,SSL3_AL_FATAL,al);
+err:
+	EVP_PKEY_free(pkey);
+#ifndef OPENSSL_NO_RSA
+	if (rsa != NULL)
+		RSA_free(rsa);
+#endif
+#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 ca_dn_cmp(const X509_NAME **a, const X509_NAME **b)
+	{
+	return(X509_NAME_cmp(*a,*b));
+	}
+
+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;
+	const unsigned char *p,*q;
+	unsigned char *d;
+	STACK_OF(X509_NAME) *ca_sk=NULL;
+
+	n=s->method->ssl_get_message(s,
+		SSL3_ST_CR_CERT_REQ_A,
+		SSL3_ST_CR_CERT_REQ_B,
+		-1,
+		s->max_cert_list,
+		&ok);
+
+	if (!ok) return((int)n);
+
+	s->s3->tmp.cert_req=0;
+
+	if (s->s3->tmp.message_type == SSL3_MT_SERVER_DONE)
+		{
+		s->s3->tmp.reuse_message=1;
+		/* If we get here we don't need any cached handshake records
+		 * as we wont be doing client auth.
+		 */
+		if (s->s3->handshake_buffer)
+			{
+			if (!ssl3_digest_cached_records(s))
+				goto err;
+			}
+		return(1);
+		}
+
+	if (s->s3->tmp.message_type != SSL3_MT_CERTIFICATE_REQUEST)
+		{
+		ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE);
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_certificate_request, SSL_R_WRONG_MESSAGE_TYPE);
+		goto err;
+		}
+
+	/* TLS does not like anon-DH with client cert */
+	if (s->version > SSL3_VERSION)
+		{
+		if (s->s3->tmp.new_cipher->algorithm_auth & SSL_aNULL)
+			{
+			ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE);
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_certificate_request, SSL_R_TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER);
+			goto err;
+			}
+		}
+
+	p=d=(unsigned char *)s->init_msg;
+
+	ca_sk = sk_X509_NAME_new(ca_dn_cmp);
+	if (ca_sk == NULL)
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_certificate_request, ERR_R_MALLOC_FAILURE);
+		goto err;
+		}
+
+	/* get the certificate types */
+	ctype_num= *(p++);
+	if (s->cert->ctypes)
+		{
+		OPENSSL_free(s->cert->ctypes);
+		s->cert->ctypes = NULL;
+		}
+	if (ctype_num > SSL3_CT_NUMBER)
+		{
+		/* If we exceed static buffer copy all to cert structure */
+		s->cert->ctypes = OPENSSL_malloc(ctype_num);
+		memcpy(s->cert->ctypes, p, ctype_num);
+		s->cert->ctype_num = (size_t)ctype_num;
+		ctype_num=SSL3_CT_NUMBER;
+		}
+	for (i=0; i<ctype_num; i++)
+		s->s3->tmp.ctype[i]= p[i];
+	p+=p[-1];
+	if (SSL_USE_SIGALGS(s))
+		{
+		n2s(p, llen);
+		/* Check we have enough room for signature algorithms and
+		 * following length value.
+		 */
+		if ((unsigned long)(p - d + llen + 2) > n)
+			{
+			ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECODE_ERROR);
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_certificate_request, SSL_R_DATA_LENGTH_TOO_LONG);
+			goto err;
+			}
+		/* Clear certificate digests and validity flags */
+		for (i = 0; i < SSL_PKEY_NUM; i++)
+			{
+			s->cert->pkeys[i].digest = NULL;
+			s->cert->pkeys[i].valid_flags = 0;
+			}
+		if ((llen & 1) || !tls1_process_sigalgs(s, p, llen))
+			{
+			ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECODE_ERROR);
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_certificate_request, SSL_R_SIGNATURE_ALGORITHMS_ERROR);
+			goto err;
+			}
+		p += llen;
+		}
+
+	/* get the CA RDNs */
+	n2s(p,llen);
+#if 0
+{
+FILE *out;
+out=fopen("/tmp/vsign.der","w");
+fwrite(p,1,llen,out);
+fclose(out);
+}
+#endif
+
+	if ((unsigned long)(p - d + llen) != n)
+		{
+		ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECODE_ERROR);
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_certificate_request, SSL_R_LENGTH_MISMATCH);
+		goto err;
+		}
+
+	for (nc=0; nc<llen; )
+		{
+		n2s(p,l);
+		if ((l+nc+2) > llen)
+			{
+			if ((s->options & SSL_OP_NETSCAPE_CA_DN_BUG))
+				goto cont; /* netscape bugs */
+			ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECODE_ERROR);
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_certificate_request, SSL_R_CA_DN_TOO_LONG);
+			goto err;
+			}
+
+		q=p;
+
+		if ((xn=d2i_X509_NAME(NULL,&q,l)) == NULL)
+			{
+			/* If netscape tolerance is on, ignore errors */
+			if (s->options & SSL_OP_NETSCAPE_CA_DN_BUG)
+				goto cont;
+			else
+				{
+				ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECODE_ERROR);
+				OPENSSL_PUT_ERROR(SSL, ssl3_get_certificate_request, ERR_R_ASN1_LIB);
+				goto err;
+				}
+			}
+
+		if (q != (p+l))
+			{
+			ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECODE_ERROR);
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_certificate_request, SSL_R_CA_DN_LENGTH_MISMATCH);
+			goto err;
+			}
+		if (!sk_X509_NAME_push(ca_sk,xn))
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_certificate_request, ERR_R_MALLOC_FAILURE);
+			goto err;
+			}
+
+		p+=l;
+		nc+=l+2;
+		}
+
+	if (0)
+		{
+cont:
+		ERR_clear_error();
+		}
+
+	/* we should setup a certificate to return.... */
+	s->s3->tmp.cert_req=1;
+	s->s3->tmp.ctype_num=ctype_num;
+	if (s->s3->tmp.ca_names != NULL)
+		sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
+	s->s3->tmp.ca_names=ca_sk;
+	ca_sk=NULL;
+
+	ret=1;
+err:
+	if (ca_sk != NULL) sk_X509_NAME_pop_free(ca_sk,X509_NAME_free);
+	return(ret);
+	}
+
+#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;
+		OPENSSL_PUT_ERROR(SSL, 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 = SSL_AD_DECODE_ERROR;
+		OPENSSL_PUT_ERROR(SSL, 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 = SSL_AD_DECODE_ERROR;
+		OPENSSL_PUT_ERROR(SSL, 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)
+		{
+		OPENSSL_PUT_ERROR(SSL, 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;
+		OPENSSL_PUT_ERROR(SSL, 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;
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_cert_status, SSL_R_UNSUPPORTED_STATUS_TYPE);
+		goto f_err;
+		}
+	n2l3(p, resplen);
+	if (resplen + 4 != n)
+		{
+		al = SSL_AD_DECODE_ERROR;
+		OPENSSL_PUT_ERROR(SSL, 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;
+		OPENSSL_PUT_ERROR(SSL, 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;
+			OPENSSL_PUT_ERROR(SSL, ssl3_get_cert_status, SSL_R_INVALID_STATUS_RESPONSE);
+			goto f_err;
+			}
+		if (ret < 0)
+			{
+			al = SSL_AD_INTERNAL_ERROR;
+			OPENSSL_PUT_ERROR(SSL, 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);
+
+	if (!ok) return((int)n);
+	if (n > 0)
+		{
+		/* should contain no data */
+		ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECODE_ERROR);
+		OPENSSL_PUT_ERROR(SSL, ssl3_get_server_done, SSL_R_LENGTH_MISMATCH);
+		return -1;
+		}
+	ret=1;
+	return(ret);
+	}
+
+
+int ssl3_send_client_key_exchange(SSL *s)
+	{
+	unsigned char *p;
+	int n;
+	unsigned long alg_k;
+#ifndef OPENSSL_NO_RSA
+	unsigned char *q;
+	EVP_PKEY *pkey=NULL;
+#endif
+#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)
+		{
+		p = ssl_handshake_start(s);
+
+		alg_k=s->s3->tmp.new_cipher->algorithm_mkey;
+
+		/* Fool emacs indentation */
+		if (0) {}
+#ifndef OPENSSL_NO_RSA
+		else if (alg_k & SSL_kRSA)
+			{
+			RSA *rsa;
+			unsigned char tmp_buf[SSL_MAX_MASTER_KEY_LENGTH];
+
+			if (s->session->sess_cert->peer_rsa_tmp != NULL)
+				rsa=s->session->sess_cert->peer_rsa_tmp;
+			else
+				{
+				pkey=X509_get_pubkey(s->session->sess_cert->peer_pkeys[SSL_PKEY_RSA_ENC].x509);
+				if ((pkey == NULL) ||
+					(pkey->type != EVP_PKEY_RSA) ||
+					(pkey->pkey.rsa == NULL))
+					{
+					OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_INTERNAL_ERROR);
+					goto err;
+					}
+				rsa=pkey->pkey.rsa;
+				EVP_PKEY_free(pkey);
+				}
+				
+			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;
+
+			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(sizeof tmp_buf,
+				tmp_buf,p,rsa,RSA_PKCS1_PADDING);
+#ifdef PKCS1_CHECK
+			if (s->options & SSL_OP_PKCS1_CHECK_1) p[1]++;
+			if (s->options & SSL_OP_PKCS1_CHECK_2) tmp_buf[0]=0x70;
+#endif
+			if (n <= 0)
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_BAD_RSA_ENCRYPT);
+				goto err;
+				}
+
+			/* Fix buf for TLS and beyond */
+			if (s->version > SSL3_VERSION)
+				{
+				s2n(n,q);
+				n+=2;
+				}
+
+			s->session->master_key_length=
+				s->method->ssl3_enc->generate_master_secret(s,
+					s->session->master_key,
+					tmp_buf,sizeof tmp_buf);
+			OPENSSL_cleanse(tmp_buf,sizeof tmp_buf);
+			}
+#endif
+#ifndef OPENSSL_NO_DH
+		else if (alg_k & (SSL_kEDH|SSL_kDHr|SSL_kDHd))
+			{
+			DH *dh_srvr,*dh_clnt;
+			SESS_CERT *scert = s->session->sess_cert;
+
+			if (scert == NULL) 
+				{
+				ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_UNEXPECTED_MESSAGE);
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_UNEXPECTED_MESSAGE);
+				goto err;
+				}
+
+			if (scert->peer_dh_tmp != NULL)
+				dh_srvr=scert->peer_dh_tmp;
+			else
+				{
+				/* we get them from the cert */
+				int idx = scert->peer_cert_type;
+				EVP_PKEY *spkey = NULL;
+				dh_srvr = NULL;
+				if (idx >= 0)
+					spkey = X509_get_pubkey(
+						scert->peer_pkeys[idx].x509);
+				if (spkey)
+					{
+					dh_srvr = EVP_PKEY_get1_DH(spkey);
+					EVP_PKEY_free(spkey);
+					}
+				if (dh_srvr == NULL)
+					{
+					OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_INTERNAL_ERROR);
+					goto err;
+					}
+				}
+			if (s->s3->flags & TLS1_FLAGS_SKIP_CERT_VERIFY)
+				{
+				/* Use client certificate key */
+				EVP_PKEY *clkey = s->cert->key->privatekey;
+				dh_clnt = NULL;
+				if (clkey)
+					dh_clnt = EVP_PKEY_get1_DH(clkey);
+				if (dh_clnt == NULL)
+					{
+					OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_INTERNAL_ERROR);
+					goto err;
+					}
+				}
+			else
+				{
+				/* generate a new random key */
+				if ((dh_clnt=DHparams_dup(dh_srvr)) == NULL)
+					{
+					OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_DH_LIB);
+					goto err;
+					}
+				if (!DH_generate_key(dh_clnt))
+					{
+					OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_DH_LIB);
+					DH_free(dh_clnt);
+					goto err;
+					}
+				}
+
+			/* use the 'p' output buffer for the DH key, but
+			 * make sure to clear it out afterwards */
+
+			n=DH_compute_key(p,dh_srvr->pub_key,dh_clnt);
+			if (scert->peer_dh_tmp == NULL)
+				DH_free(dh_srvr);
+
+			if (n <= 0)
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_DH_LIB);
+				DH_free(dh_clnt);
+				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);
+			/* clean up */
+			memset(p,0,n);
+
+			if (s->s3->flags & TLS1_FLAGS_SKIP_CERT_VERIFY)
+				n = 0;
+			else
+				{
+				/* send off the data */
+				n=BN_num_bytes(dh_clnt->pub_key);
+				s2n(n,p);
+				BN_bn2bin(dh_clnt->pub_key,p);
+				n+=2;
+				}
+
+			DH_free(dh_clnt);
+
+			/* 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))
+					{
+					OPENSSL_PUT_ERROR(SSL, 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))
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_INTERNAL_ERROR);
+				goto err;
+				}
+
+			if ((clnt_ecdh=EC_KEY_new()) == NULL) 
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_MALLOC_FAILURE);
+				goto err;
+				}
+
+			if (!EC_KEY_set_group(clnt_ecdh, srvr_group))
+				{
+				OPENSSL_PUT_ERROR(SSL, 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)
+					{
+					OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_MALLOC_FAILURE);
+					goto err;
+					}
+				if (!EC_KEY_set_private_key(clnt_ecdh, priv_key))
+					{
+					OPENSSL_PUT_ERROR(SSL, 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)))
+					{
+					OPENSSL_PUT_ERROR(SSL, 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)
+				{
+				OPENSSL_PUT_ERROR(SSL, 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)
+				{
+				OPENSSL_PUT_ERROR(SSL, 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)) 
+					{
+					OPENSSL_PUT_ERROR(SSL, 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) 
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_GOST_NOT_SUPPORTED);
+			goto err;
+			}
+#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)
+				{
+				OPENSSL_PUT_ERROR(SSL, 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)
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_INTERNAL_ERROR);
+				goto psk_err;
+				}
+			else if (psk_len == 0)
+				{
+				OPENSSL_PUT_ERROR(SSL, 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)
+				{
+				OPENSSL_PUT_ERROR(SSL, 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)
+				{
+				OPENSSL_PUT_ERROR(SSL, 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);
+			OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_INTERNAL_ERROR);
+			goto err;
+			}
+
+		ssl_set_handshake_header(s, SSL3_MT_CLIENT_KEY_EXCHANGE, n);
+		s->state=SSL3_ST_CW_KEY_EXCH_B;
+		}
+
+	/* SSL3_ST_CW_KEY_EXCH_B */
+	return ssl_do_write(s);
+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);
+	}
+
+int ssl3_send_client_verify(SSL *s)
+	{
+	unsigned char *p;
+	unsigned char data[MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH];
+	EVP_PKEY *pkey;
+	EVP_PKEY_CTX *pctx=NULL;
+	EVP_MD_CTX mctx;
+	unsigned u=0;
+	unsigned long n;
+	int j;
+
+	EVP_MD_CTX_init(&mctx);
+
+	if (s->state == SSL3_ST_CW_CERT_VRFY_A)
+		{
+		p= ssl_handshake_start(s);
+		pkey=s->cert->key->privatekey;
+/* 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)
+			{
+			if (!SSL_USE_SIGALGS(s))
+				s->method->ssl3_enc->cert_verify_mac(s,
+						NID_sha1,
+						&(data[MD5_DIGEST_LENGTH]));
+			}
+		else
+			{
+			ERR_clear_error();
+			}
+		/* For TLS v1.2 send signature algorithm and signature
+		 * using agreed digest and cached handshake records.
+		 */
+		if (SSL_USE_SIGALGS(s))
+			{
+			long hdatalen = 0;
+			char *hdata;
+			const EVP_MD *md = s->cert->key->digest;
+			hdatalen = BIO_get_mem_data(s->s3->handshake_buffer,
+								&hdata);
+			if (hdatalen <= 0 || !tls12_get_sigandhash(p, pkey, md))
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_verify, ERR_R_INTERNAL_ERROR);
+				goto err;
+				}
+			p += 2;
+#ifdef SSL_DEBUG
+			fprintf(stderr, "Using TLS 1.2 with client alg %s\n",
+							EVP_MD_name(md));
+#endif
+			if (!EVP_SignInit_ex(&mctx, md, NULL)
+				|| !EVP_SignUpdate(&mctx, hdata, hdatalen)
+				|| !EVP_SignFinal(&mctx, p + 2, &u, pkey))
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_verify, ERR_R_EVP_LIB);
+				goto err;
+				}
+			s2n(u,p);
+			n = u + 4;
+			if (!ssl3_digest_cached_records(s))
+				goto err;
+			}
+		else
+#ifndef OPENSSL_NO_RSA
+		if (pkey->type == EVP_PKEY_RSA)
+			{
+			s->method->ssl3_enc->cert_verify_mac(s,
+				NID_md5,
+			 	&(data[0]));
+			if (RSA_sign(NID_md5_sha1, data,
+					 MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
+					&(p[2]), &u, pkey->pkey.rsa) <= 0 )
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_verify, ERR_R_RSA_LIB);
+				goto err;
+				}
+			s2n(u,p);
+			n=u+2;
+			}
+		else
+#endif
+#ifndef OPENSSL_NO_DSA
+			if (pkey->type == EVP_PKEY_DSA)
+			{
+			if (!DSA_sign(pkey->save_type,
+				&(data[MD5_DIGEST_LENGTH]),
+				SHA_DIGEST_LENGTH,&(p[2]),
+				(unsigned int *)&j,pkey->pkey.dsa))
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_verify, ERR_R_DSA_LIB);
+				goto err;
+				}
+			s2n(j,p);
+			n=j+2;
+			}
+		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))
+				{
+				OPENSSL_PUT_ERROR(SSL, 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) {
+			OPENSSL_PUT_ERROR(SSL, 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
+		{
+			OPENSSL_PUT_ERROR(SSL, ssl3_send_client_verify, ERR_R_INTERNAL_ERROR);
+			goto err;
+		}
+		ssl_set_handshake_header(s, SSL3_MT_CERTIFICATE_VERIFY, n);
+		s->state=SSL3_ST_CW_CERT_VRFY_B;
+		}
+	EVP_MD_CTX_cleanup(&mctx);
+	EVP_PKEY_CTX_free(pctx);
+	return ssl_do_write(s);
+err:
+	EVP_MD_CTX_cleanup(&mctx);
+	EVP_PKEY_CTX_free(pctx);
+	return(-1);
+	}
+
+/* Check a certificate can be used for client authentication. Currently
+ * check cert exists, if we have a suitable digest for TLS 1.2 if
+ * static DH client certificates can be used and optionally checks
+ * suitability for Suite B.
+ */
+static int ssl3_check_client_certificate(SSL *s)
+	{
+	unsigned long alg_k;
+	if (!s->cert || !s->cert->key->x509 || !s->cert->key->privatekey)
+		return 0;
+	/* If no suitable signature algorithm can't use certificate */
+	if (SSL_USE_SIGALGS(s) && !s->cert->key->digest)
+		return 0;
+	/* If strict mode check suitability of chain before using it.
+	 * This also adjusts suite B digest if necessary.
+	 */
+	if (s->cert->cert_flags & SSL_CERT_FLAGS_CHECK_TLS_STRICT &&
+		!tls1_check_chain(s, NULL, NULL, NULL, -2))
+		return 0;
+	alg_k=s->s3->tmp.new_cipher->algorithm_mkey;
+	/* See if we can use client certificate for fixed DH */
+	if (alg_k & (SSL_kDHr|SSL_kDHd))
+		{
+		SESS_CERT *scert = s->session->sess_cert;
+		int i = scert->peer_cert_type;
+		EVP_PKEY *clkey = NULL, *spkey = NULL;
+		clkey = s->cert->key->privatekey;
+		/* If client key not DH assume it can be used */
+		if (EVP_PKEY_id(clkey) != EVP_PKEY_DH)
+			return 1;
+		if (i >= 0)
+			spkey = X509_get_pubkey(scert->peer_pkeys[i].x509);
+		if (spkey)
+			{
+			/* Compare server and client parameters */
+			i = EVP_PKEY_cmp_parameters(clkey, spkey);
+			EVP_PKEY_free(spkey);
+			if (i != 1)
+				return 0;
+			}
+		s->s3->flags |= TLS1_FLAGS_SKIP_CERT_VERIFY;
+		}
+	return 1;
+	}
+
+int ssl3_send_client_certificate(SSL *s)
+	{
+	X509 *x509=NULL;
+	EVP_PKEY *pkey=NULL;
+	int i;
+
+	if (s->state ==	SSL3_ST_CW_CERT_A)
+		{
+		/* Let cert callback update client certificates if required */
+		if (s->cert->cert_cb)
+			{
+			i = s->cert->cert_cb(s, s->cert->cert_cb_arg);
+			if (i < 0)
+				{
+				s->rwstate=SSL_X509_LOOKUP;
+				return -1;
+				}
+			if (i == 0)
+				{
+				ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_INTERNAL_ERROR);
+				return 0;
+				}
+			s->rwstate=SSL_NOTHING;
+			}
+		if (ssl3_check_client_certificate(s))
+			s->state=SSL3_ST_CW_CERT_C;
+		else
+			s->state=SSL3_ST_CW_CERT_B;
+		}
+
+	/* We need to get a client cert */
+	if (s->state == SSL3_ST_CW_CERT_B)
+		{
+		/* If we get an error, we need to
+		 * ssl->rwstate=SSL_X509_LOOKUP; return(-1);
+		 * We then get retied later */
+		i=0;
+		i = ssl_do_client_cert_cb(s, &x509, &pkey);
+		if (i < 0)
+			{
+			s->rwstate=SSL_X509_LOOKUP;
+			return(-1);
+			}
+		s->rwstate=SSL_NOTHING;
+		if ((i == 1) && (pkey != NULL) && (x509 != NULL))
+			{
+			s->state=SSL3_ST_CW_CERT_B;
+			if (	!SSL_use_certificate(s,x509) ||
+				!SSL_use_PrivateKey(s,pkey))
+				i=0;
+			}
+		else if (i == 1)
+			{
+			i=0;
+			OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_BAD_DATA_RETURNED_BY_CALLBACK);
+			}
+
+		if (x509 != NULL) X509_free(x509);
+		if (pkey != NULL) EVP_PKEY_free(pkey);
+		if (i && !ssl3_check_client_certificate(s))
+			i = 0;
+		if (i == 0)
+			{
+			if (s->version == SSL3_VERSION)
+				{
+				s->s3->tmp.cert_req=0;
+				ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_NO_CERTIFICATE);
+				return(1);
+				}
+			else
+				{
+				s->s3->tmp.cert_req=2;
+				}
+			}
+
+		/* Ok, we have a cert */
+		s->state=SSL3_ST_CW_CERT_C;
+		}
+
+	if (s->state == SSL3_ST_CW_CERT_C)
+		{
+		s->state=SSL3_ST_CW_CERT_D;
+		ssl3_output_cert_chain(s,
+			(s->s3->tmp.cert_req == 2)?NULL:s->cert->key);
+		}
+	/* SSL3_ST_CW_CERT_D */
+	return ssl_do_write(s);
+	}
+
+#define has_bits(i,m)	(((i)&(m)) == (m))
+
+int ssl3_check_cert_and_algorithm(SSL *s)
+	{
+	int i,idx;
+	long alg_k,alg_a;
+	EVP_PKEY *pkey=NULL;
+	SESS_CERT *sc;
+#ifndef OPENSSL_NO_RSA
+	RSA *rsa;
+#endif
+#ifndef OPENSSL_NO_DH
+	DH *dh;
+#endif
+
+	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_aNULL|SSL_aKRB5)) || (alg_k & SSL_kPSK))
+		return(1);
+
+	sc=s->session->sess_cert;
+	if (sc == NULL)
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_INTERNAL_ERROR);
+		goto err;
+		}
+
+#ifndef OPENSSL_NO_RSA
+	rsa=s->session->sess_cert->peer_rsa_tmp;
+#endif
+#ifndef OPENSSL_NO_DH
+	dh=s->session->sess_cert->peer_dh_tmp;
+#endif
+
+	/* 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) == 0) 
+			{ /* check failed */
+			OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_BAD_ECC_CERT);
+			goto f_err;
+			}
+		else 
+			{
+			return 1;
+			}
+		}
+	else if (alg_a & SSL_aECDSA)
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_MISSING_ECDSA_SIGNING_CERT);
+		goto f_err;
+		}
+	else if (alg_k & (SSL_kECDHr|SSL_kECDHe))
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_MISSING_ECDH_CERT);
+		goto f_err;
+		}
+#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 ((alg_a & SSL_aRSA) && !has_bits(i,EVP_PK_RSA|EVP_PKT_SIGN))
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_MISSING_RSA_SIGNING_CERT);
+		goto f_err;
+		}
+#ifndef OPENSSL_NO_DSA
+	else if ((alg_a & SSL_aDSS) && !has_bits(i,EVP_PK_DSA|EVP_PKT_SIGN))
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_MISSING_DSA_SIGNING_CERT);
+		goto f_err;
+		}
+#endif
+#ifndef OPENSSL_NO_RSA
+	if ((alg_k & SSL_kRSA) &&
+		!(has_bits(i,EVP_PK_RSA|EVP_PKT_ENC) || (rsa != NULL)))
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_MISSING_RSA_ENCRYPTING_CERT);
+		goto f_err;
+		}
+#endif
+#ifndef OPENSSL_NO_DH
+	if ((alg_k & SSL_kEDH) && 
+		!(has_bits(i,EVP_PK_DH|EVP_PKT_EXCH) || (dh != NULL)))
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_MISSING_DH_KEY);
+		goto f_err;
+		}
+	else if ((alg_k & SSL_kDHr) && !SSL_USE_SIGALGS(s) &&
+		!has_bits(i,EVP_PK_DH|EVP_PKS_RSA))
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_MISSING_DH_RSA_CERT);
+		goto f_err;
+		}
+#ifndef OPENSSL_NO_DSA
+	else if ((alg_k & SSL_kDHd) && !SSL_USE_SIGALGS(s) &&
+		!has_bits(i,EVP_PK_DH|EVP_PKS_DSA))
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_MISSING_DH_DSA_CERT);
+		goto f_err;
+		}
+#endif
+#endif
+
+	if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) && !has_bits(i,EVP_PKT_EXP))
+		{
+#ifndef OPENSSL_NO_RSA
+		if (alg_k & SSL_kRSA)
+			{
+			if (rsa == NULL
+			    || RSA_size(rsa)*8 > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_MISSING_EXPORT_TMP_RSA_KEY);
+				goto f_err;
+				}
+			}
+		else
+#endif
+#ifndef OPENSSL_NO_DH
+			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))
+				{
+				OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_MISSING_EXPORT_TMP_DH_KEY);
+				goto f_err;
+				}
+			}
+		else
+#endif
+			{
+			OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE);
+			goto f_err;
+			}
+		}
+	return(1);
+f_err:
+	ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_HANDSHAKE_FAILURE);
+err:
+	return(0);
+	}
+
+#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
+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  /* !OPENSSL_NO_TLSEXT && !OPENSSL_NO_NEXTPROTONEG */
+
+/* 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
+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;
+        /* TODO(fork): remove */
+#if 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
+#endif
+	if (s->ctx->client_cert_cb)
+		i = s->ctx->client_cert_cb(s,px509,ppkey);
+	return i;
+	}
+
+#ifndef OPENSSL_NO_TLSEXT
+int tls1_get_server_supplemental_data(SSL *s)
+	{
+	int al;
+	int ok;
+	unsigned long supp_data_len, authz_data_len;
+	long n;
+	unsigned short supp_data_type, authz_data_type, proof_len;
+	const unsigned char *p;
+	unsigned char *new_proof;
+
+	n=s->method->ssl_get_message(s,
+		SSL3_ST_CR_SUPPLEMENTAL_DATA_A,
+		SSL3_ST_CR_SUPPLEMENTAL_DATA_B,
+		SSL3_MT_SUPPLEMENTAL_DATA,
+		/* use default limit */
+		TLSEXT_MAXLEN_supplemental_data,
+		&ok);
+
+	if (!ok) return((int)n);
+
+	p = (unsigned char *)s->init_msg;
+
+	/* The message cannot be empty */
+	if (n < 3)
+		{
+		al = SSL_AD_DECODE_ERROR;
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_LENGTH_MISMATCH);
+		goto f_err;
+		}
+	/* Length of supplemental data */
+	n2l3(p,supp_data_len);
+	n -= 3;
+	/* We must have at least one supplemental data entry
+	 * with type (1 byte) and length (2 bytes). */
+	if (supp_data_len != (unsigned long) n || n < 4)
+		{
+		al = SSL_AD_DECODE_ERROR;
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_LENGTH_MISMATCH);
+		goto f_err;
+		}
+	/* Supplemental data type: must be authz_data */
+	n2s(p,supp_data_type);
+	n -= 2;
+	if (supp_data_type != TLSEXT_SUPPLEMENTALDATATYPE_authz_data)
+		{
+		al = SSL_AD_UNEXPECTED_MESSAGE;
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_UNKNOWN_SUPPLEMENTAL_DATA_TYPE);
+		goto f_err;
+		}
+	/* Authz data length */
+	n2s(p, authz_data_len);
+	n -= 2;
+	if (authz_data_len != (unsigned long) n || n < 1)
+		{
+		al = SSL_AD_DECODE_ERROR;
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_LENGTH_MISMATCH);
+		goto f_err;
+		}
+	/* Authz data type: must be audit_proof */
+	authz_data_type = *(p++);
+	n -= 1;
+	if (authz_data_type != TLSEXT_AUTHZDATAFORMAT_audit_proof)
+		{
+		al=SSL_AD_UNEXPECTED_MESSAGE;
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_UNKNOWN_AUTHZ_DATA_TYPE);
+		goto f_err;
+		}
+	/* We have a proof: read its length */
+	if (n < 2)
+		{
+		al = SSL_AD_DECODE_ERROR;
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_LENGTH_MISMATCH);
+		goto f_err;
+		}
+	n2s(p, proof_len);
+	n -= 2;
+	if (proof_len != (unsigned long) n)
+		{
+		al = SSL_AD_DECODE_ERROR;
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, SSL_R_LENGTH_MISMATCH);
+		goto f_err;
+		}
+	/* Store the proof */
+	new_proof = OPENSSL_realloc(s->session->audit_proof,
+				    proof_len);
+	if (new_proof == NULL)
+		{
+		OPENSSL_PUT_ERROR(SSL, ssl3_send_client_key_exchange, ERR_R_MALLOC_FAILURE);
+		return 0;
+		}
+	s->session->audit_proof_length = proof_len;
+	s->session->audit_proof = new_proof;
+	memcpy(s->session->audit_proof, p, proof_len);
+
+	/* Got the proof, but can't verify it yet. */
+	return 1;
+f_err:
+	ssl3_send_alert(s,SSL3_AL_FATAL,al);
+	return -1;
+	}
+#endif