Initial import of OpenSSL 0.9.4, sans IDEA and RSA code for patent

infringement reasons.

1 files changed, 587 insertions, 0 deletions

diff --git a/crypto/openssl/ssl/s3_enc.c b/crypto/openssl/ssl/s3_enc.c
new file mode 100644
index 0000000..15d4af6
--- /dev/null
+++ b/crypto/openssl/ssl/s3_enc.c
@@ -0,0 +1,587 @@
+/* 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.]
+ */
+
+#include <stdio.h>
+#include <openssl/md5.h>
+#include <openssl/sha.h>
+#include <openssl/evp.h>
+#include "ssl_locl.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 };
+
+#ifndef NO_PROTO
+static int ssl3_handshake_mac(SSL *s, EVP_MD_CTX *in_ctx,
+	unsigned char *sender, int len, unsigned char *p);
+#else
+static int ssl3_handshake_mac();
+#endif
+
+static void ssl3_generate_key_block(SSL *s, unsigned char *km, int num)
+	{
+	MD5_CTX m5;
+	SHA_CTX s1;
+	unsigned char buf[8],smd[SHA_DIGEST_LENGTH];
+	unsigned char c='A';
+	int i,j,k;
+
+#ifdef CHARSET_EBCDIC
+	c = os_toascii[c]; /*'A' in ASCII */
+#endif
+	k=0;
+	for (i=0; i<num; i+=MD5_DIGEST_LENGTH)
+		{
+		k++;
+		for (j=0; j<k; j++)
+			buf[j]=c;
+		c++;
+		SHA1_Init(  &s1);
+		SHA1_Update(&s1,buf,k);
+		SHA1_Update(&s1,s->session->master_key,
+			s->session->master_key_length);
+		SHA1_Update(&s1,s->s3->server_random,SSL3_RANDOM_SIZE);
+		SHA1_Update(&s1,s->s3->client_random,SSL3_RANDOM_SIZE);
+		SHA1_Final( smd,&s1);
+
+		MD5_Init(  &m5);
+		MD5_Update(&m5,s->session->master_key,
+			s->session->master_key_length);
+		MD5_Update(&m5,smd,SHA_DIGEST_LENGTH);
+		if ((i+MD5_DIGEST_LENGTH) > num)
+			{
+			MD5_Final(smd,&m5);
+			memcpy(km,smd,(num-i));
+			}
+		else
+			MD5_Final(km,&m5);
+
+		km+=MD5_DIGEST_LENGTH;
+		}
+	memset(smd,0,SHA_DIGEST_LENGTH);
+	}
+
+int ssl3_change_cipher_state(SSL *s, int which)
+	{
+	unsigned char *p,*key_block,*mac_secret;
+	unsigned char exp_key[EVP_MAX_KEY_LENGTH];
+	unsigned char exp_iv[EVP_MAX_KEY_LENGTH];
+	unsigned char *ms,*key,*iv,*er1,*er2;
+	EVP_CIPHER_CTX *dd;
+	const EVP_CIPHER *c;
+	COMP_METHOD *comp;
+	const EVP_MD *m;
+	MD5_CTX md;
+	int exp,n,i,j,k,cl;
+
+	exp=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
+	c=s->s3->tmp.new_sym_enc;
+	m=s->s3->tmp.new_hash;
+	if (s->s3->tmp.new_compression == NULL)
+		comp=NULL;
+	else
+		comp=s->s3->tmp.new_compression->method;
+	key_block=s->s3->tmp.key_block;
+
+	if (which & SSL3_CC_READ)
+		{
+		if ((s->enc_read_ctx == NULL) &&
+			((s->enc_read_ctx=(EVP_CIPHER_CTX *)
+			Malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
+			goto err;
+		dd= s->enc_read_ctx;
+		s->read_hash=m;
+		/* 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 *)
+					Malloc(SSL3_RT_MAX_PLAIN_LENGTH);
+			if (s->s3->rrec.comp == NULL)
+				goto err;
+			}
+		memset(&(s->s3->read_sequence[0]),0,8);
+		mac_secret= &(s->s3->read_mac_secret[0]);
+		}
+	else
+		{
+		if ((s->enc_write_ctx == NULL) &&
+			((s->enc_write_ctx=(EVP_CIPHER_CTX *)
+			Malloc(sizeof(EVP_CIPHER_CTX))) == NULL))
+			goto err;
+		dd= s->enc_write_ctx;
+		s->write_hash=m;
+		/* 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;
+				}
+			}
+		memset(&(s->s3->write_sequence[0]),0,8);
+		mac_secret= &(s->s3->write_mac_secret[0]);
+		}
+
+	EVP_CIPHER_CTX_init(dd);
+
+	p=s->s3->tmp.key_block;
+	i=EVP_MD_size(m);
+	cl=EVP_CIPHER_key_length(c);
+	j=exp ? (cl < SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher) ?
+		 cl : SSL_C_EXPORT_KEYLENGTH(s->s3->tmp.new_cipher)) : cl;
+	/* Was j=(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,SSL_R_INTERNAL_ERROR);
+		goto err2;
+		}
+
+	memcpy(mac_secret,ms,i);
+	if (exp)
+		{
+		/* In here I set both the read and write key/iv to the
+		 * same value since only the correct one will be used :-).
+		 */
+		MD5_Init(&md);
+		MD5_Update(&md,key,j);
+		MD5_Update(&md,er1,SSL3_RANDOM_SIZE);
+		MD5_Update(&md,er2,SSL3_RANDOM_SIZE);
+		MD5_Final(&(exp_key[0]),&md);
+		key= &(exp_key[0]);
+
+		if (k > 0)
+			{
+			MD5_Init(&md);
+			MD5_Update(&md,er1,SSL3_RANDOM_SIZE);
+			MD5_Update(&md,er2,SSL3_RANDOM_SIZE);
+			MD5_Final(&(exp_iv[0]),&md);
+			iv= &(exp_iv[0]);
+			}
+		}
+
+	s->session->key_arg_length=0;
+
+	EVP_CipherInit(dd,c,key,iv,(which & SSL3_CC_WRITE));
+
+	memset(&(exp_key[0]),0,sizeof(exp_key));
+	memset(&(exp_iv[0]),0,sizeof(exp_iv));
+	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;
+	SSL_COMP *comp;
+
+	if (s->s3->tmp.key_block_length != 0)
+		return(1);
+
+	if (!ssl_cipher_get_evp(s->session,&c,&hash,&comp))
+		{
+		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;
+	s->s3->tmp.new_compression=comp;
+
+	num=EVP_CIPHER_key_length(c)+EVP_MD_size(hash)+EVP_CIPHER_iv_length(c);
+	num*=2;
+
+	ssl3_cleanup_key_block(s);
+
+	if ((p=(unsigned char *)Malloc(num)) == NULL)
+		goto err;
+
+	s->s3->tmp.key_block_length=num;
+	s->s3->tmp.key_block=p;
+
+	ssl3_generate_key_block(s,p,num);
+
+	return(1);
+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)
+		{
+		memset(s->s3->tmp.key_block,0,
+			s->s3->tmp.key_block_length);
+		Free(s->s3->tmp.key_block);
+		s->s3->tmp.key_block=NULL;
+		}
+	s->s3->tmp.key_block_length=0;
+	}
+
+int ssl3_enc(SSL *s, int send)
+	{
+	SSL3_RECORD *rec;
+	EVP_CIPHER_CTX *ds;
+	unsigned long l;
+	int bs,i;
+	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))
+		{
+		memcpy(rec->data,rec->input,rec->length);
+		rec->input=rec->data;
+		}
+	else
+		{
+		l=rec->length;
+		bs=EVP_CIPHER_block_size(ds->cipher);
+
+		/* COMPRESS */
+
+		/* This should be using (bs-1) and bs instead of 7 and 8 */
+		if ((bs != 1) && send)
+			{
+			i=bs-((int)l%bs);
+
+			/* we need to add 'i-1' padding bytes */
+			l+=i;
+			rec->length+=i;
+			rec->input[l-1]=(i-1);
+			}
+
+		EVP_Cipher(ds,rec->data,rec->input,l);
+
+		if ((bs != 1) && !send)
+			{
+			i=rec->data[l-1]+1;
+			if (i > bs)
+				{
+				SSLerr(SSL_F_SSL3_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG);
+				ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPT_ERROR);
+				return(0);
+				}
+			rec->length-=i;
+			}
+		}
+	return(1);
+	}
+
+void ssl3_init_finished_mac(SSL *s)
+	{
+	EVP_DigestInit(&(s->s3->finish_dgst1),s->ctx->md5);
+	EVP_DigestInit(&(s->s3->finish_dgst2),s->ctx->sha1);
+	}
+
+void ssl3_finish_mac(SSL *s, const unsigned char *buf, int len)
+	{
+	EVP_DigestUpdate(&(s->s3->finish_dgst1),buf,len);
+	EVP_DigestUpdate(&(s->s3->finish_dgst2),buf,len);
+	}
+
+int ssl3_cert_verify_mac(SSL *s, EVP_MD_CTX *ctx, unsigned char *p)
+	{
+	return(ssl3_handshake_mac(s,ctx,NULL,0,p));
+	}
+
+int ssl3_final_finish_mac(SSL *s, EVP_MD_CTX *ctx1, EVP_MD_CTX *ctx2,
+	     unsigned char *sender, int len, unsigned char *p)
+	{
+	int ret;
+
+	ret=ssl3_handshake_mac(s,ctx1,sender,len,p);
+	p+=ret;
+	ret+=ssl3_handshake_mac(s,ctx2,sender,len,p);
+	return(ret);
+	}
+
+static int ssl3_handshake_mac(SSL *s, EVP_MD_CTX *in_ctx,
+	     unsigned 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;
+
+	EVP_MD_CTX_copy(&ctx,in_ctx);
+
+	n=EVP_MD_CTX_size(&ctx);
+	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(&ctx,md_buf,&i);
+
+	EVP_DigestInit(&ctx,EVP_MD_CTX_type(&ctx));
+	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(&ctx,p,&ret);
+
+	memset(&ctx,0,sizeof(EVP_MD_CTX));
+
+	return((int)ret);
+	}
+
+int 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 *hash;
+	unsigned char *p,rec_char;
+	unsigned int md_size;
+	int npad,i;
+
+	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;
+		}
+
+	md_size=EVP_MD_size(hash);
+	npad=(48/md_size)*md_size;
+
+	/* Chop the digest off the end :-) */
+
+	EVP_DigestInit(  &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( &md_ctx,md,NULL);
+
+	EVP_DigestInit(  &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( &md_ctx,md,&md_size);
+
+	for (i=7; i>=0; i--)
+		if (++seq[i]) break; 
+
+	return(md_size);
+	}
+
+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;
+
+	for (i=0; i<3; i++)
+		{
+		EVP_DigestInit(&ctx,s->ctx->sha1);
+		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(&ctx,buf,&n);
+
+		EVP_DigestInit(&ctx,s->ctx->md5);
+		EVP_DigestUpdate(&ctx,p,len);
+		EVP_DigestUpdate(&ctx,buf,n);
+		EVP_DigestFinal(&ctx,out,&n);
+		out+=n;
+		ret+=n;
+		}
+	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_RESTRICION:	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_CANCLED:	return(SSL3_AD_HANDSHAKE_FAILURE);
+	case SSL_AD_NO_RENEGOTIATION:	return(-1); /* Don't send it :-) */
+	default:			return(-1);
+		}
+	}
+