-/* ssl/t1_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 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+
/* ====================================================================
* Copyright 2005 Nokia. All rights reserved.
*
#include <stdio.h>
#include "ssl_locl.h"
-#ifndef OPENSSL_NO_COMP
-# include <openssl/comp.h>
-#endif
+#include <openssl/comp.h>
#include <openssl/evp.h>
-#include <openssl/hmac.h>
-#include <openssl/md5.h>
+#include <openssl/kdf.h>
#include <openssl/rand.h>
-/* seed1 through seed5 are virtually concatenated */
-static int tls1_P_hash(const EVP_MD *md, const unsigned char *sec,
- int sec_len,
- const void *seed1, int seed1_len,
- const void *seed2, int seed2_len,
- const void *seed3, int seed3_len,
- const void *seed4, int seed4_len,
- const void *seed5, int seed5_len,
- unsigned char *out, int olen)
-{
- int chunk;
- size_t j;
- EVP_MD_CTX *ctx, *ctx_tmp, *ctx_init;
- EVP_PKEY *mac_key;
- unsigned char A1[EVP_MAX_MD_SIZE];
- size_t A1_len;
- int ret = 0;
-
- chunk = EVP_MD_size(md);
- OPENSSL_assert(chunk >= 0);
-
- ctx = EVP_MD_CTX_create();
- ctx_tmp = EVP_MD_CTX_create();
- ctx_init = EVP_MD_CTX_create();
- if (ctx == NULL || ctx_tmp == NULL || ctx_init == NULL)
- goto err;
- EVP_MD_CTX_set_flags(ctx_init, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
- mac_key = EVP_PKEY_new_mac_key(EVP_PKEY_HMAC, NULL, sec, sec_len);
- if (!mac_key)
- goto err;
- if (!EVP_DigestSignInit(ctx_init, NULL, md, NULL, mac_key))
- goto err;
- if (!EVP_MD_CTX_copy_ex(ctx, ctx_init))
- goto err;
- if (seed1 && !EVP_DigestSignUpdate(ctx, seed1, seed1_len))
- goto err;
- if (seed2 && !EVP_DigestSignUpdate(ctx, seed2, seed2_len))
- goto err;
- if (seed3 && !EVP_DigestSignUpdate(ctx, seed3, seed3_len))
- goto err;
- if (seed4 && !EVP_DigestSignUpdate(ctx, seed4, seed4_len))
- goto err;
- if (seed5 && !EVP_DigestSignUpdate(ctx, seed5, seed5_len))
- goto err;
- if (!EVP_DigestSignFinal(ctx, A1, &A1_len))
- goto err;
-
- for (;;) {
- /* Reinit mac contexts */
- if (!EVP_MD_CTX_copy_ex(ctx, ctx_init))
- goto err;
- if (!EVP_DigestSignUpdate(ctx, A1, A1_len))
- goto err;
- if (olen > chunk && !EVP_MD_CTX_copy_ex(ctx_tmp, ctx))
- goto err;
- if (seed1 && !EVP_DigestSignUpdate(ctx, seed1, seed1_len))
- goto err;
- if (seed2 && !EVP_DigestSignUpdate(ctx, seed2, seed2_len))
- goto err;
- if (seed3 && !EVP_DigestSignUpdate(ctx, seed3, seed3_len))
- goto err;
- if (seed4 && !EVP_DigestSignUpdate(ctx, seed4, seed4_len))
- goto err;
- if (seed5 && !EVP_DigestSignUpdate(ctx, seed5, seed5_len))
- goto err;
-
- if (olen > chunk) {
- if (!EVP_DigestSignFinal(ctx, out, &j))
- goto err;
- out += j;
- olen -= j;
- /* calc the next A1 value */
- if (!EVP_DigestSignFinal(ctx_tmp, A1, &A1_len))
- goto err;
- } else { /* last one */
-
- if (!EVP_DigestSignFinal(ctx, A1, &A1_len))
- goto err;
- memcpy(out, A1, olen);
- break;
- }
- }
- ret = 1;
- err:
- EVP_PKEY_free(mac_key);
- EVP_MD_CTX_destroy(ctx);
- EVP_MD_CTX_destroy(ctx_tmp);
- EVP_MD_CTX_destroy(ctx_init);
- OPENSSL_cleanse(A1, sizeof(A1));
- return ret;
-}
-
-/* seed1 through seed5 are virtually concatenated */
+/* seed1 through seed5 are concatenated */
static int tls1_PRF(SSL *s,
const void *seed1, int seed1_len,
const void *seed2, int seed2_len,
const void *seed4, int seed4_len,
const void *seed5, int seed5_len,
const unsigned char *sec, int slen,
- unsigned char *out1, unsigned char *out2, int olen)
+ unsigned char *out, int olen)
{
const EVP_MD *md = ssl_prf_md(s);
+ EVP_PKEY_CTX *pctx = NULL;
+
+ int ret = 0;
+ size_t outlen = olen;
if (md == NULL) {
/* Should never happen */
SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR);
return 0;
}
- if (EVP_MD_type(md) == NID_md5_sha1) {
- int i;
- if (!tls1_P_hash(EVP_md5(), sec, slen/2 + (slen & 1),
- seed1, seed1_len, seed2, seed2_len, seed3,
- seed3_len, seed4, seed4_len, seed5, seed5_len,
- out1, olen))
- return 0;
- if (!tls1_P_hash(EVP_sha1(), sec + slen/2, slen/2 + (slen & 1),
- seed1, seed1_len, seed2, seed2_len, seed3,
- seed3_len, seed4, seed4_len, seed5, seed5_len,
- out2, olen))
- return 0;
- for (i = 0; i < olen; i++)
- out1[i] ^= out2[i];
- return 1;
- }
- memset(out2, 0, olen);
- if (!tls1_P_hash(md, sec, slen,
- seed1, seed1_len, seed2, seed2_len, seed3,
- seed3_len, seed4, seed4_len, seed5, seed5_len,
- out1, olen))
- return 0;
+ pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_TLS1_PRF, NULL);
+ if (pctx == NULL || EVP_PKEY_derive_init(pctx) <= 0
+ || EVP_PKEY_CTX_set_tls1_prf_md(pctx, md) <= 0
+ || EVP_PKEY_CTX_set1_tls1_prf_secret(pctx, sec, slen) <= 0)
+ goto err;
- return 1;
+ if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed1, seed1_len) <= 0)
+ goto err;
+ if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed2, seed2_len) <= 0)
+ goto err;
+ if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed3, seed3_len) <= 0)
+ goto err;
+ if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed4, seed4_len) <= 0)
+ goto err;
+ if (EVP_PKEY_CTX_add1_tls1_prf_seed(pctx, seed5, seed5_len) <= 0)
+ goto err;
+
+ if (EVP_PKEY_derive(pctx, out, &outlen) <= 0)
+ goto err;
+ ret = 1;
+
+ err:
+ EVP_PKEY_CTX_free(pctx);
+ return ret;
}
-static int tls1_generate_key_block(SSL *s, unsigned char *km,
- unsigned char *tmp, int num)
+static int tls1_generate_key_block(SSL *s, unsigned char *km, int num)
{
int ret;
ret = tls1_PRF(s,
TLS_MD_KEY_EXPANSION_CONST_SIZE, s->s3->server_random,
SSL3_RANDOM_SIZE, s->s3->client_random, SSL3_RANDOM_SIZE,
NULL, 0, NULL, 0, s->session->master_key,
- s->session->master_key_length, km, tmp, num);
+ s->session->master_key_length, km, num);
return ret;
}
if (s->enc_read_ctx != NULL)
reuse_dd = 1;
- else if ((s->enc_read_ctx =
- OPENSSL_malloc(sizeof(*s->enc_read_ctx))) == NULL)
+ else if ((s->enc_read_ctx = EVP_CIPHER_CTX_new()) == NULL)
goto err;
else
/*
- * make sure it's intialized in case we exit later with an error
+ * make sure it's initialised in case we exit later with an error
*/
- EVP_CIPHER_CTX_init(s->enc_read_ctx);
+ EVP_CIPHER_CTX_reset(s->enc_read_ctx);
dd = s->enc_read_ctx;
mac_ctx = ssl_replace_hash(&s->read_hash, NULL);
if (mac_ctx == NULL)
SSL_R_COMPRESSION_LIBRARY_ERROR);
goto err2;
}
- if (!RECORD_LAYER_setup_comp_buffer(&s->rlayer))
- goto err;
}
#endif
/*
goto err;
dd = s->enc_write_ctx;
if (SSL_IS_DTLS(s)) {
- mac_ctx = EVP_MD_CTX_create();
+ mac_ctx = EVP_MD_CTX_new();
if (mac_ctx == NULL)
goto err;
s->write_hash = mac_ctx;
}
if (reuse_dd)
- EVP_CIPHER_CTX_cleanup(dd);
+ EVP_CIPHER_CTX_reset(dd);
p = s->s3->tmp.key_block;
i = *mac_secret_size = s->s3->tmp.new_mac_secret_size;
}
EVP_PKEY_free(mac_key);
}
-#ifdef TLS_DEBUG
+#ifdef SSL_DEBUG
printf("which = %04X\nmac key=", which);
{
int z;
}
#endif
-#ifdef TLS_DEBUG
+#ifdef SSL_DEBUG
printf("which = %04X\nkey=", which);
{
int z;
int tls1_setup_key_block(SSL *s)
{
- unsigned char *p1, *p2 = NULL;
+ unsigned char *p;
const EVP_CIPHER *c;
const EVP_MD *hash;
int num;
ssl3_cleanup_key_block(s);
- if ((p1 = OPENSSL_malloc(num)) == NULL) {
+ if ((p = OPENSSL_malloc(num)) == NULL) {
SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
goto err;
}
s->s3->tmp.key_block_length = num;
- s->s3->tmp.key_block = p1;
+ s->s3->tmp.key_block = p;
- if ((p2 = OPENSSL_malloc(num)) == NULL) {
- SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
- OPENSSL_free(p1);
- goto err;
- }
-#ifdef TLS_DEBUG
+#ifdef SSL_DEBUG
printf("client random\n");
{
int z;
((z + 1) % 16) ? ' ' : '\n');
}
#endif
- if (!tls1_generate_key_block(s, p1, p2, num))
+ if (!tls1_generate_key_block(s, p, num))
goto err;
-#ifdef TLS_DEBUG
+#ifdef SSL_DEBUG
printf("\nkey block\n");
{
int z;
for (z = 0; z < num; z++)
- printf("%02X%c", p1[z], ((z + 1) % 16) ? ' ' : '\n');
+ printf("%02X%c", p[z], ((z + 1) % 16) ? ' ' : '\n');
}
#endif
ret = 1;
err:
- OPENSSL_clear_free(p2, num);
return (ret);
}
{
int hashlen;
unsigned char hash[EVP_MAX_MD_SIZE];
- unsigned char buf2[12];
if (!ssl3_digest_cached_records(s, 0))
return 0;
if (hashlen == 0)
return 0;
- if (!tls1_PRF(s,
- str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0,
+ if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0,
s->session->master_key, s->session->master_key_length,
- out, buf2, sizeof buf2))
+ out, TLS1_FINISH_MAC_LENGTH))
return 0;
OPENSSL_cleanse(hash, hashlen);
- OPENSSL_cleanse(buf2, sizeof(buf2));
- return sizeof(buf2);
+ return TLS1_FINISH_MAC_LENGTH;
}
int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
int len)
{
- unsigned char buff[SSL_MAX_MASTER_KEY_LENGTH];
-
if (s->session->flags & SSL_SESS_FLAG_EXTMS) {
unsigned char hash[EVP_MAX_MD_SIZE * 2];
int hashlen;
hash, hashlen,
NULL, 0,
NULL, 0,
- NULL, 0, p, len, s->session->master_key, buff, sizeof buff);
+ NULL, 0, p, len, s->session->master_key,
+ SSL3_MASTER_SECRET_SIZE);
OPENSSL_cleanse(hash, hashlen);
} else {
tls1_PRF(s,
s->s3->client_random, SSL3_RANDOM_SIZE,
NULL, 0,
s->s3->server_random, SSL3_RANDOM_SIZE,
- NULL, 0, p, len, s->session->master_key, buff, sizeof buff);
+ NULL, 0, p, len, s->session->master_key,
+ SSL3_MASTER_SECRET_SIZE);
}
- OPENSSL_cleanse(buff, sizeof buff);
#ifdef SSL_DEBUG
fprintf(stderr, "Premaster Secret:\n");
BIO_dump_fp(stderr, (char *)p, len);
const unsigned char *context,
size_t contextlen, int use_context)
{
- unsigned char *buff;
unsigned char *val = NULL;
size_t vallen = 0, currentvalpos;
int rv;
- buff = OPENSSL_malloc(olen);
- if (buff == NULL)
- goto err2;
-
/*
* construct PRF arguments we construct the PRF argument ourself rather
* than passing separate values into the TLS PRF to ensure that the
NULL, 0,
NULL, 0,
s->session->master_key, s->session->master_key_length,
- out, buff, olen);
+ out, olen);
goto ret;
err1:
SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, ERR_R_MALLOC_FAILURE);
rv = 0;
ret:
- CRYPTO_clear_free(val, vallen);
- CRYPTO_clear_free(buff, olen);
+ OPENSSL_clear_free(val, vallen);
return (rv);
}
return (TLS1_AD_UNKNOWN_PSK_IDENTITY);
case SSL_AD_INAPPROPRIATE_FALLBACK:
return (TLS1_AD_INAPPROPRIATE_FALLBACK);
+ case SSL_AD_NO_APPLICATION_PROTOCOL:
+ return (TLS1_AD_NO_APPLICATION_PROTOCOL);
default:
return (-1);
}
projects / openssl.git / blobdiff