Delete bundled copy of OpenSSL and replace with README.

openssl/ssl/s3_enc.c

Index: openssl/ssl/s3_enc.c
diff --git a/openssl/ssl/s3_enc.c b/openssl/ssl/s3_enc.c
deleted file mode 100644
index 191b86b7b2a1975af3e06012a51054f859869f36..0000000000000000000000000000000000000000
--- a/openssl/ssl/s3_enc.c
+++ /dev/null
@@ -1,904 +0,0 @@
-/* ssl/s3_enc.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 2005 Nokia. All rights reserved.
- *
- * The portions of the attached software ("Contribution") is developed by
- * Nokia Corporation and is licensed pursuant to the OpenSSL open source
- * license.
- *
- * The Contribution, originally written by Mika Kousa and Pasi Eronen of
- * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
- * support (see RFC 4279) to OpenSSL.
- *
- * No patent licenses or other rights except those expressly stated in
- * the OpenSSL open source license shall be deemed granted or received
- * expressly, by implication, estoppel, or otherwise.
- *
- * No assurances are provided by Nokia that the Contribution does not
- * infringe the patent or other intellectual property rights of any third
- * party or that the license provides you with all the necessary rights
- * to make use of the Contribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
- * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
- * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
- * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
- * OTHERWISE.
- */
-
-#include <stdio.h>
-#include "ssl_locl.h"
-#include <openssl/evp.h>
-#include <openssl/md5.h>
-
-static unsigned char ssl3_pad_1[48]={
-	0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
-	0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
-	0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
-	0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
-	0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36,
-	0x36,0x36,0x36,0x36,0x36,0x36,0x36,0x36 };
-
-static unsigned char ssl3_pad_2[48]={
-	0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
-	0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
-	0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
-	0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
-	0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,
-	0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c,0x5c };
-static int ssl3_handshake_mac(SSL *s, int md_nid,
-	const char *sender, int len, unsigned char *p);
-static int ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
-	{
-	EVP_MD_CTX m5;
-	EVP_MD_CTX s1;
-	unsigned char buf[16],smd[SHA_DIGEST_LENGTH];
-	unsigned char c='A';
-	unsigned int i,j,k;
-
-#ifdef CHARSET_EBCDIC
-	c = os_toascii[c]; /*'A' in ASCII */
-#endif
-	k=0;
-	EVP_MD_CTX_init(&m5);
-	EVP_MD_CTX_set_flags(&m5, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
-	EVP_MD_CTX_init(&s1);
-	for (i=0; (int)i<num; i+=MD5_DIGEST_LENGTH)
-		{
-		k++;
-		if (k > sizeof buf)
-			{
-			/* bug: 'buf' is too small for this ciphersuite */
-			SSLerr(SSL_F_SSL3_GENERATE_KEY_BLOCK, ERR_R_INTERNAL_ERROR);
-			return 0;
-			}
-		
-		for (j=0; j<k; j++)
-			buf[j]=c;
-		c++;
-		EVP_DigestInit_ex(&s1,EVP_sha1(), NULL);
-		EVP_DigestUpdate(&s1,buf,k);
-		EVP_DigestUpdate(&s1,s->session->master_key,
-			s->session->master_key_length);
-		EVP_DigestUpdate(&s1,s->s3->server_random,SSL3_RANDOM_SIZE);
-		EVP_DigestUpdate(&s1,s->s3->client_random,SSL3_RANDOM_SIZE);
-		EVP_DigestFinal_ex(&s1,smd,NULL);
-
-		EVP_DigestInit_ex(&m5,EVP_md5(), NULL);
-		EVP_DigestUpdate(&m5,s->session->master_key,
-			s->session->master_key_length);
-		EVP_DigestUpdate(&m5,smd,SHA_DIGEST_LENGTH);
-		if ((int)(i+MD5_DIGEST_LENGTH) > num)
-			{
-			EVP_DigestFinal_ex(&m5,smd,NULL);
-			memcpy(km,smd,(num-i));
-			}
-		else
-			EVP_DigestFinal_ex(&m5,km,NULL);
-
-		km+=MD5_DIGEST_LENGTH;
-		}
-	OPENSSL_cleanse(smd,SHA_DIGEST_LENGTH);
-	EVP_MD_CTX_cleanup(&m5);
-	EVP_MD_CTX_cleanup(&s1);
-	return 1;
-	}
-
-int ssl3_change_cipher_state(SSL *s, int which)
-	{
-	unsigned char *p,*mac_secret;
-	unsigned char exp_key[EVP_MAX_KEY_LENGTH];
-	unsigned char exp_iv[EVP_MAX_IV_LENGTH];
-	unsigned char *ms,*key,*iv,*er1,*er2;
-	EVP_CIPHER_CTX *dd;
-	const EVP_CIPHER *c;
-#ifndef OPENSSL_NO_COMP
-	COMP_METHOD *comp;
-#endif
-	const EVP_MD *m;
-	EVP_MD_CTX md;
-	int is_exp,n,i,j,k,cl;
-	int reuse_dd = 0;
-
-	is_exp=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
-	c=s->s3->tmp.new_sym_enc;
-	m=s->s3->tmp.new_hash;
-	/* m == NULL will lead to a crash later */
-	OPENSSL_assert(m);
-#ifndef OPENSSL_NO_COMP
-	if (s->s3->tmp.new_compression == NULL)
-		comp=NULL;
-	else
-		comp=s->s3->tmp.new_compression->method;
-#endif
-
-	if (which & SSL3_CC_READ)
-		{
-		if (s->enc_read_ctx != NULL)
-			reuse_dd = 1;
-		else if ((s->enc_read_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)
-			goto err;
-		else
-			/* make sure it's intialized in case we exit later with an error */
-			EVP_CIPHER_CTX_init(s->enc_read_ctx);
-		dd= s->enc_read_ctx;
-
-		ssl_replace_hash(&s->read_hash,m);
-#ifndef OPENSSL_NO_COMP
-		/* COMPRESS */
-		if (s->expand != NULL)
-			{
-			COMP_CTX_free(s->expand);
-			s->expand=NULL;
-			}
-		if (comp != NULL)
-			{
-			s->expand=COMP_CTX_new(comp);
-			if (s->expand == NULL)
-				{
-				SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR);
-				goto err2;
-				}
-			if (s->s3->rrec.comp == NULL)
-				s->s3->rrec.comp=(unsigned char *)
-					OPENSSL_malloc(SSL3_RT_MAX_PLAIN_LENGTH);
-			if (s->s3->rrec.comp == NULL)
-				goto err;
-			}
-#endif
-		memset(&(s->s3->read_sequence[0]),0,8);
-		mac_secret= &(s->s3->read_mac_secret[0]);
-		}
-	else
-		{
-		if (s->enc_write_ctx != NULL)
-			reuse_dd = 1;
-		else if ((s->enc_write_ctx=OPENSSL_malloc(sizeof(EVP_CIPHER_CTX))) == NULL)
-			goto err;
-		else
-			/* make sure it's intialized in case we exit later with an error */
-			EVP_CIPHER_CTX_init(s->enc_write_ctx);
-		dd= s->enc_write_ctx;
-		ssl_replace_hash(&s->write_hash,m);
-#ifndef OPENSSL_NO_COMP
-		/* COMPRESS */
-		if (s->compress != NULL)
-			{
-			COMP_CTX_free(s->compress);
-			s->compress=NULL;
-			}
-		if (comp != NULL)
-			{
-			s->compress=COMP_CTX_new(comp);
-			if (s->compress == NULL)
-				{
-				SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,SSL_R_COMPRESSION_LIBRARY_ERROR);
-				goto err2;
-				}
-			}
-#endif
-		memset(&(s->s3->write_sequence[0]),0,8);
-		mac_secret= &(s->s3->write_mac_secret[0]);
-		}
-
-	if (reuse_dd)
-		EVP_CIPHER_CTX_cleanup(dd);
-
-	p=s->s3->tmp.key_block;
-	i=EVP_MD_size(m);
-	if (i < 0)
-		goto err2;
-	cl=EVP_CIPHER_key_length(c);
-	j=is_exp ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ?
-		 cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl;
-	/* Was j=(is_exp)?5:EVP_CIPHER_key_length(c); */
-	k=EVP_CIPHER_iv_length(c);
-	if (	(which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
-		(which == SSL3_CHANGE_CIPHER_SERVER_READ))
-		{
-		ms=  &(p[ 0]); n=i+i;
-		key= &(p[ n]); n+=j+j;
-		iv=  &(p[ n]); n+=k+k;
-		er1= &(s->s3->client_random[0]);
-		er2= &(s->s3->server_random[0]);
-		}
-	else
-		{
-		n=i;
-		ms=  &(p[ n]); n+=i+j;
-		key= &(p[ n]); n+=j+k;
-		iv=  &(p[ n]); n+=k;
-		er1= &(s->s3->server_random[0]);
-		er2= &(s->s3->client_random[0]);
-		}
-
-	if (n > s->s3->tmp.key_block_length)
-		{
-		SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_INTERNAL_ERROR);
-		goto err2;
-		}
-
-	EVP_MD_CTX_init(&md);
-	memcpy(mac_secret,ms,i);
-	if (is_exp)
-		{
-		/* In here I set both the read and write key/iv to the
-		 * same value since only the correct one will be used :-).
-		 */
-		EVP_DigestInit_ex(&md,EVP_md5(), NULL);
-		EVP_DigestUpdate(&md,key,j);
-		EVP_DigestUpdate(&md,er1,SSL3_RANDOM_SIZE);
-		EVP_DigestUpdate(&md,er2,SSL3_RANDOM_SIZE);
-		EVP_DigestFinal_ex(&md,&(exp_key[0]),NULL);
-		key= &(exp_key[0]);
-
-		if (k > 0)
-			{
-			EVP_DigestInit_ex(&md,EVP_md5(), NULL);
-			EVP_DigestUpdate(&md,er1,SSL3_RANDOM_SIZE);
-			EVP_DigestUpdate(&md,er2,SSL3_RANDOM_SIZE);
-			EVP_DigestFinal_ex(&md,&(exp_iv[0]),NULL);
-			iv= &(exp_iv[0]);
-			}
-		}
-
-	s->session->key_arg_length=0;
-
-	EVP_CipherInit_ex(dd,c,NULL,key,iv,(which & SSL3_CC_WRITE));
-
-	OPENSSL_cleanse(&(exp_key[0]),sizeof(exp_key));
-	OPENSSL_cleanse(&(exp_iv[0]),sizeof(exp_iv));
-	EVP_MD_CTX_cleanup(&md);
-	return(1);
-err:
-	SSLerr(SSL_F_SSL3_CHANGE_CIPHER_STATE,ERR_R_MALLOC_FAILURE);
-err2:
-	return(0);
-	}
-
-int ssl3_setup_key_block(SSL *s)
-	{
-	unsigned char *p;
-	const EVP_CIPHER *c;
-	const EVP_MD *hash;
-	int num;
-	int ret = 0;
-	SSL_COMP *comp;
-
-	if (s->s3->tmp.key_block_length != 0)
-		return(1);
-
-	if (!ssl_cipher_get_comp(s->session, &comp))
-		{
-		SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
-		return(0);
-		}
-
-	if (!ssl_cipher_get_evp(s->session,&c,&hash,NULL,NULL))
-		{
-		SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
-		return(0);
-		}
-
-	s->s3->tmp.new_sym_enc=c;
-	s->s3->tmp.new_hash=hash;
-#ifdef OPENSSL_NO_COMP
-	s->s3->tmp.new_compression=NULL;
-#else
-	s->s3->tmp.new_compression=comp;
-#endif
-
-	num=EVP_MD_size(hash);
-	if (num < 0)
-		return 0;
-
-	num=EVP_CIPHER_key_length(c)+num+EVP_CIPHER_iv_length(c);
-	num*=2;
-
-	ssl3_cleanup_key_block(s);
-
-	if ((p=OPENSSL_malloc(num)) == NULL)
-		goto err;
-
-	s->s3->tmp.key_block_length=num;
-	s->s3->tmp.key_block=p;
-
-	ret = ssl3_generate_key_block(s,p,num);
-
-	if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS))
-		{
-		/* enable vulnerability countermeasure for CBC ciphers with
-		 * known-IV problem (http://www.openssl.org/~bodo/tls-cbc.txt)
-		 */
-		s->s3->need_empty_fragments = 1;
-
-		if (s->session->cipher != NULL)
-			{
-			if (s->session->cipher->algorithm_enc == SSL_eNULL)
-				s->s3->need_empty_fragments = 0;
-			
-#ifndef OPENSSL_NO_RC4
-			if (s->session->cipher->algorithm_enc == SSL_RC4)
-				s->s3->need_empty_fragments = 0;
-#endif
-			}
-		}
-
-	return ret;
-		
-err:
-	SSLerr(SSL_F_SSL3_SETUP_KEY_BLOCK,ERR_R_MALLOC_FAILURE);
-	return(0);
-	}
-
-void ssl3_cleanup_key_block(SSL *s)
-	{
-	if (s->s3->tmp.key_block != NULL)
-		{
-		OPENSSL_cleanse(s->s3->tmp.key_block,
-			s->s3->tmp.key_block_length);
-		OPENSSL_free(s->s3->tmp.key_block);
-		s->s3->tmp.key_block=NULL;
-		}
-	s->s3->tmp.key_block_length=0;
-	}
-
-/* ssl3_enc encrypts/decrypts the record in |s->wrec| / |s->rrec|, respectively.
- *
- * Returns:
- *   0: (in non-constant time) if the record is publically invalid (i.e. too
- *       short etc).
- *   1: if the record's padding is valid / the encryption was successful.
- *   -1: if the record's padding is invalid or, if sending, an internal error
- *       occured.
- */
-int ssl3_enc(SSL *s, int send)
-	{
-	SSL3_RECORD *rec;
-	EVP_CIPHER_CTX *ds;
-	unsigned long l;
-	int bs,i,mac_size=0;
-	const EVP_CIPHER *enc;
-
-	if (send)
-		{
-		ds=s->enc_write_ctx;
-		rec= &(s->s3->wrec);
-		if (s->enc_write_ctx == NULL)
-			enc=NULL;
-		else
-			enc=EVP_CIPHER_CTX_cipher(s->enc_write_ctx);
-		}
-	else
-		{
-		ds=s->enc_read_ctx;
-		rec= &(s->s3->rrec);
-		if (s->enc_read_ctx == NULL)
-			enc=NULL;
-		else
-			enc=EVP_CIPHER_CTX_cipher(s->enc_read_ctx);
-		}
-
-	if ((s->session == NULL) || (ds == NULL) ||
-		(enc == NULL))
-		{
-		memmove(rec->data,rec->input,rec->length);
-		rec->input=rec->data;
-		}
-	else
-		{
-		l=rec->length;
-		bs=EVP_CIPHER_block_size(ds->cipher);
-
-		/* COMPRESS */
-
-		if ((bs != 1) && send)
-			{
-			i=bs-((int)l%bs);
-
-			/* we need to add 'i-1' padding bytes */
-			l+=i;
-			/* the last of these zero bytes will be overwritten
-			 * with the padding length. */
-			memset(&rec->input[rec->length], 0, i);
-			rec->length+=i;
-			rec->input[l-1]=(i-1);
-			}
-		
-		if (!send)
-			{
-			if (l == 0 || l%bs != 0)
-				return 0;
-			/* otherwise, rec->length >= bs */
-			}
-		
-		EVP_Cipher(ds,rec->data,rec->input,l);
-
-		if (EVP_MD_CTX_md(s->read_hash) != NULL)
-			mac_size = EVP_MD_CTX_size(s->read_hash);
-		if ((bs != 1) && !send)
-			return ssl3_cbc_remove_padding(s, rec, bs, mac_size);
-		}
-	return(1);
-	}
-
-void ssl3_init_finished_mac(SSL *s)
-	{
-	if (s->s3->handshake_buffer) BIO_free(s->s3->handshake_buffer);
-	if (s->s3->handshake_dgst) ssl3_free_digest_list(s);
-    s->s3->handshake_buffer=BIO_new(BIO_s_mem());	
-	(void)BIO_set_close(s->s3->handshake_buffer,BIO_CLOSE);
-	}
-
-void ssl3_free_digest_list(SSL *s) 
-	{
-	int i;
-	if (!s->s3->handshake_dgst) return;
-	for (i=0;i<SSL_MAX_DIGEST;i++) 
-		{
-		if (s->s3->handshake_dgst[i])
-			EVP_MD_CTX_destroy(s->s3->handshake_dgst[i]);
-		}
-	OPENSSL_free(s->s3->handshake_dgst);
-	s->s3->handshake_dgst=NULL;
-	}	
-
-
-
-void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len)
-	{
-	if (s->s3->handshake_buffer && !(s->s3->flags & TLS1_FLAGS_KEEP_HANDSHAKE)) 
-		{
-		BIO_write (s->s3->handshake_buffer,(void *)buf,len);
-		} 
-	else 
-		{
-		int i;
-		for (i=0;i< SSL_MAX_DIGEST;i++) 
-			{
-			if (s->s3->handshake_dgst[i]!= NULL)
-			EVP_DigestUpdate(s->s3->handshake_dgst[i],buf,len);
-			}
-		}	
-	}
-
-int ssl3_digest_cached_records(SSL *s)
-	{
-	int i;
-	long mask;
-	const EVP_MD *md;
-	long hdatalen;
-	void *hdata;
-
-	/* Allocate handshake_dgst array */
-	ssl3_free_digest_list(s);
-	s->s3->handshake_dgst = OPENSSL_malloc(SSL_MAX_DIGEST * sizeof(EVP_MD_CTX *));
-	memset(s->s3->handshake_dgst,0,SSL_MAX_DIGEST *sizeof(EVP_MD_CTX *));
-	hdatalen = BIO_get_mem_data(s->s3->handshake_buffer,&hdata);
-	if (hdatalen <= 0)
-		{
-		SSLerr(SSL_F_SSL3_DIGEST_CACHED_RECORDS, SSL_R_BAD_HANDSHAKE_LENGTH);
-		return 0;
-		}
-
-	/* Loop through bitso of algorithm2 field and create MD_CTX-es */
-	for (i=0;ssl_get_handshake_digest(i,&mask,&md); i++) 
-		{
-		if ((mask & ssl_get_algorithm2(s)) && md) 
-			{
-			s->s3->handshake_dgst[i]=EVP_MD_CTX_create();
-#ifdef OPENSSL_FIPS
-			if (EVP_MD_nid(md) == NID_md5)
-				{
-				EVP_MD_CTX_set_flags(s->s3->handshake_dgst[i],
-						EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
-				}
-#endif
-			EVP_DigestInit_ex(s->s3->handshake_dgst[i],md,NULL);
-			EVP_DigestUpdate(s->s3->handshake_dgst[i],hdata,hdatalen);
-			} 
-		else 
-			{	
-			s->s3->handshake_dgst[i]=NULL;
-			}
-		}
-	if (!(s->s3->flags & TLS1_FLAGS_KEEP_HANDSHAKE))
-		{
-		/* Free handshake_buffer BIO */
-		BIO_free(s->s3->handshake_buffer);
-		s->s3->handshake_buffer = NULL;
-		}
-
-	return 1;
-	}
-
-int ssl3_cert_verify_mac(SSL *s, int md_nid, unsigned char *p)
-	{
-	return(ssl3_handshake_mac(s,md_nid,NULL,0,p));
-	}
-int ssl3_final_finish_mac(SSL *s, 
-	     const char *sender, int len, unsigned char *p)
-	{
-	int ret;
-	ret=ssl3_handshake_mac(s,NID_md5,sender,len,p);
-	p+=ret;
-	ret+=ssl3_handshake_mac(s,NID_sha1,sender,len,p);
-	return(ret);
-	}
-static int ssl3_handshake_mac(SSL *s, int md_nid,
-	     const char *sender, int len, unsigned char *p)
-	{
-	unsigned int ret;
-	int npad,n;
-	unsigned int i;
-	unsigned char md_buf[EVP_MAX_MD_SIZE];
-	EVP_MD_CTX ctx,*d=NULL;
-
-	if (s->s3->handshake_buffer) 
-		if (!ssl3_digest_cached_records(s))
-			return 0;
-
-	/* Search for digest of specified type in the handshake_dgst
-	 * array*/
-	for (i=0;i<SSL_MAX_DIGEST;i++) 
-		{
-		  if (s->s3->handshake_dgst[i]&&EVP_MD_CTX_type(s->s3->handshake_dgst[i])==md_nid) 
-		  	{
-		  	d=s->s3->handshake_dgst[i];
-			break;
-			}
-		}
-	if (!d) {
-		SSLerr(SSL_F_SSL3_HANDSHAKE_MAC,SSL_R_NO_REQUIRED_DIGEST);
-		return 0;
-	}	
-	EVP_MD_CTX_init(&ctx);
-	EVP_MD_CTX_set_flags(&ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
-	EVP_MD_CTX_copy_ex(&ctx,d);
-	n=EVP_MD_CTX_size(&ctx);
-	if (n < 0)
-		return 0;
-
-	npad=(48/n)*n;
-	if (sender != NULL)
-		EVP_DigestUpdate(&ctx,sender,len);
-	EVP_DigestUpdate(&ctx,s->session->master_key,
-		s->session->master_key_length);
-	EVP_DigestUpdate(&ctx,ssl3_pad_1,npad);
-	EVP_DigestFinal_ex(&ctx,md_buf,&i);
-
-	EVP_DigestInit_ex(&ctx,EVP_MD_CTX_md(&ctx), NULL);
-	EVP_DigestUpdate(&ctx,s->session->master_key,
-		s->session->master_key_length);
-	EVP_DigestUpdate(&ctx,ssl3_pad_2,npad);
-	EVP_DigestUpdate(&ctx,md_buf,i);
-	EVP_DigestFinal_ex(&ctx,p,&ret);
-
-	EVP_MD_CTX_cleanup(&ctx);
-
-	return((int)ret);
-	}
-
-int n_ssl3_mac(SSL *ssl, unsigned char *md, int send)
-	{
-	SSL3_RECORD *rec;
-	unsigned char *mac_sec,*seq;
-	EVP_MD_CTX md_ctx;
-	const EVP_MD_CTX *hash;
-	unsigned char *p,rec_char;
-	size_t md_size, orig_len;
-	int npad;
-	int t;
-
-	if (send)
-		{
-		rec= &(ssl->s3->wrec);
-		mac_sec= &(ssl->s3->write_mac_secret[0]);
-		seq= &(ssl->s3->write_sequence[0]);
-		hash=ssl->write_hash;
-		}
-	else
-		{
-		rec= &(ssl->s3->rrec);
-		mac_sec= &(ssl->s3->read_mac_secret[0]);
-		seq= &(ssl->s3->read_sequence[0]);
-		hash=ssl->read_hash;
-		}
-
-	t=EVP_MD_CTX_size(hash);
-	if (t < 0)
-		return -1;
-	md_size=t;
-	npad=(48/md_size)*md_size;
-
-	/* kludge: ssl3_cbc_remove_padding passes padding length in rec->type */
-	orig_len = rec->length+md_size+((unsigned int)rec->type>>8);
-	rec->type &= 0xff;
-
-	if (!send &&
-	    EVP_CIPHER_CTX_mode(ssl->enc_read_ctx) == EVP_CIPH_CBC_MODE &&
-	    ssl3_cbc_record_digest_supported(hash))
-		{
-		/* This is a CBC-encrypted record. We must avoid leaking any
-		 * timing-side channel information about how many blocks of
-		 * data we are hashing because that gives an attacker a
-		 * timing-oracle. */
-
-		/* npad is, at most, 48 bytes and that's with MD5:
-		 *   16 + 48 + 8 (sequence bytes) + 1 + 2 = 75.
-		 *
-		 * With SHA-1 (the largest hash speced for SSLv3) the hash size
-		 * goes up 4, but npad goes down by 8, resulting in a smaller
-		 * total size. */
-		unsigned char header[75];
-		unsigned j = 0;
-		memcpy(header+j, mac_sec, md_size);
-		j += md_size;
-		memcpy(header+j, ssl3_pad_1, npad);
-		j += npad;
-		memcpy(header+j, seq, 8);
-		j += 8;
-		header[j++] = rec->type;
-		header[j++] = rec->length >> 8;
-		header[j++] = rec->length & 0xff;
-
-		ssl3_cbc_digest_record(
-			hash,
-			md, &md_size,
-			header, rec->input,
-			rec->length + md_size, orig_len,
-			mac_sec, md_size,
-			1 /* is SSLv3 */);
-		}
-	else
-		{
-		unsigned int md_size_u;
-		/* Chop the digest off the end :-) */
-		EVP_MD_CTX_init(&md_ctx);
-
-		EVP_MD_CTX_copy_ex( &md_ctx,hash);
-		EVP_DigestUpdate(&md_ctx,mac_sec,md_size);
-		EVP_DigestUpdate(&md_ctx,ssl3_pad_1,npad);
-		EVP_DigestUpdate(&md_ctx,seq,8);
-		rec_char=rec->type;
-		EVP_DigestUpdate(&md_ctx,&rec_char,1);
-		p=md;
-		s2n(rec->length,p);
-		EVP_DigestUpdate(&md_ctx,md,2);
-		EVP_DigestUpdate(&md_ctx,rec->input,rec->length);
-		EVP_DigestFinal_ex( &md_ctx,md,NULL);
-
-		EVP_MD_CTX_copy_ex( &md_ctx,hash);
-		EVP_DigestUpdate(&md_ctx,mac_sec,md_size);
-		EVP_DigestUpdate(&md_ctx,ssl3_pad_2,npad);
-		EVP_DigestUpdate(&md_ctx,md,md_size);
-		EVP_DigestFinal_ex( &md_ctx,md,&md_size_u);
-		md_size = md_size_u;
-
-		EVP_MD_CTX_cleanup(&md_ctx);
-	}
-
-	ssl3_record_sequence_update(seq);
-	return(md_size);
-	}
-
-void ssl3_record_sequence_update(unsigned char *seq)
-	{
-	int i;
-
-	for (i=7; i>=0; i--)
-		{
-		++seq[i];
-		if (seq[i] != 0) break; 
-		}
-	}
-
-int ssl3_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
-	     int len)
-	{
-	static const unsigned char *salt[3]={
-#ifndef CHARSET_EBCDIC
-		(const unsigned char *)"A",
-		(const unsigned char *)"BB",
-		(const unsigned char *)"CCC",
-#else
-		(const unsigned char *)"\x41",
-		(const unsigned char *)"\x42\x42",
-		(const unsigned char *)"\x43\x43\x43",
-#endif
-		};
-	unsigned char buf[EVP_MAX_MD_SIZE];
-	EVP_MD_CTX ctx;
-	int i,ret=0;
-	unsigned int n;
-
-	EVP_MD_CTX_init(&ctx);
-	for (i=0; i<3; i++)
-		{
-		EVP_DigestInit_ex(&ctx,s->ctx->sha1, NULL);
-		EVP_DigestUpdate(&ctx,salt[i],strlen((const char *)salt[i]));
-		EVP_DigestUpdate(&ctx,p,len);
-		EVP_DigestUpdate(&ctx,&(s->s3->client_random[0]),
-			SSL3_RANDOM_SIZE);
-		EVP_DigestUpdate(&ctx,&(s->s3->server_random[0]),
-			SSL3_RANDOM_SIZE);
-		EVP_DigestFinal_ex(&ctx,buf,&n);
-
-		EVP_DigestInit_ex(&ctx,s->ctx->md5, NULL);
-		EVP_DigestUpdate(&ctx,p,len);
-		EVP_DigestUpdate(&ctx,buf,n);
-		EVP_DigestFinal_ex(&ctx,out,&n);
-		out+=n;
-		ret+=n;
-		}
-	EVP_MD_CTX_cleanup(&ctx);
-	return(ret);
-	}
-
-int ssl3_alert_code(int code)
-	{
-	switch (code)
-		{
-	case SSL_AD_CLOSE_NOTIFY:	return(SSL3_AD_CLOSE_NOTIFY);
-	case SSL_AD_UNEXPECTED_MESSAGE:	return(SSL3_AD_UNEXPECTED_MESSAGE);
-	case SSL_AD_BAD_RECORD_MAC:	return(SSL3_AD_BAD_RECORD_MAC);
-	case SSL_AD_DECRYPTION_FAILED:	return(SSL3_AD_BAD_RECORD_MAC);
-	case SSL_AD_RECORD_OVERFLOW:	return(SSL3_AD_BAD_RECORD_MAC);
-	case SSL_AD_DECOMPRESSION_FAILURE:return(SSL3_AD_DECOMPRESSION_FAILURE);
-	case SSL_AD_HANDSHAKE_FAILURE:	return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_NO_CERTIFICATE:	return(SSL3_AD_NO_CERTIFICATE);
-	case SSL_AD_BAD_CERTIFICATE:	return(SSL3_AD_BAD_CERTIFICATE);
-	case SSL_AD_UNSUPPORTED_CERTIFICATE:return(SSL3_AD_UNSUPPORTED_CERTIFICATE);
-	case SSL_AD_CERTIFICATE_REVOKED:return(SSL3_AD_CERTIFICATE_REVOKED);
-	case SSL_AD_CERTIFICATE_EXPIRED:return(SSL3_AD_CERTIFICATE_EXPIRED);
-	case SSL_AD_CERTIFICATE_UNKNOWN:return(SSL3_AD_CERTIFICATE_UNKNOWN);
-	case SSL_AD_ILLEGAL_PARAMETER:	return(SSL3_AD_ILLEGAL_PARAMETER);
-	case SSL_AD_UNKNOWN_CA:		return(SSL3_AD_BAD_CERTIFICATE);
-	case SSL_AD_ACCESS_DENIED:	return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_DECODE_ERROR:	return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_DECRYPT_ERROR:	return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_EXPORT_RESTRICTION:	return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_PROTOCOL_VERSION:	return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_INSUFFICIENT_SECURITY:return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_INTERNAL_ERROR:	return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_USER_CANCELLED:	return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_NO_RENEGOTIATION:	return(-1); /* Don't send it :-) */
-	case SSL_AD_UNSUPPORTED_EXTENSION: return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_CERTIFICATE_UNOBTAINABLE: return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_UNRECOGNIZED_NAME:	return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE: return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_BAD_CERTIFICATE_HASH_VALUE: return(SSL3_AD_HANDSHAKE_FAILURE);
-	case SSL_AD_UNKNOWN_PSK_IDENTITY:return(TLS1_AD_UNKNOWN_PSK_IDENTITY);
-	default:			return(-1);
-		}
-	}
-