-/* 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 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
* 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.
+ * Licensed under the Apache License 2.0 (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
*/
#include <stdio.h>
-#include "ssl_locl.h"
-#ifndef OPENSSL_NO_COMP
-# include <openssl/comp.h>
-#endif
+#include "ssl_local.h"
+#include "record/record_local.h"
+#include "internal/ktls.h"
+#include "internal/cryptlib.h"
+#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)
+#include <openssl/obj_mac.h>
+#include <openssl/core_names.h>
+#include <openssl/trace.h>
+
+/* seed1 through seed5 are concatenated */
+static int tls1_PRF(SSL_CONNECTION *s,
+ const void *seed1, size_t seed1_len,
+ const void *seed2, size_t seed2_len,
+ const void *seed3, size_t seed3_len,
+ const void *seed4, size_t seed4_len,
+ const void *seed5, size_t seed5_len,
+ const unsigned char *sec, size_t slen,
+ unsigned char *out, size_t olen, int fatal)
{
- 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);
+ const EVP_MD *md = ssl_prf_md(s);
+ EVP_KDF *kdf;
+ EVP_KDF_CTX *kctx = NULL;
+ OSSL_PARAM params[8], *p = params;
+ const char *mdname;
- EVP_MD_CTX_init(&ctx);
- EVP_MD_CTX_init(&ctx_tmp);
- EVP_MD_CTX_init(&ctx_init);
- 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))
+ if (md == NULL) {
+ /* Should never happen */
+ if (fatal)
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
+ else
+ ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+ kdf = EVP_KDF_fetch(SSL_CONNECTION_GET_CTX(s)->libctx,
+ OSSL_KDF_NAME_TLS1_PRF,
+ SSL_CONNECTION_GET_CTX(s)->propq);
+ if (kdf == NULL)
goto err;
- if (!EVP_DigestSignFinal(&ctx, A1, &A1_len))
+ kctx = EVP_KDF_CTX_new(kdf);
+ EVP_KDF_free(kdf);
+ if (kctx == NULL)
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;
- }
+ mdname = EVP_MD_get0_name(md);
+ *p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
+ (char *)mdname, 0);
+ *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SECRET,
+ (unsigned char *)sec,
+ (size_t)slen);
+ *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
+ (void *)seed1, (size_t)seed1_len);
+ *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
+ (void *)seed2, (size_t)seed2_len);
+ *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
+ (void *)seed3, (size_t)seed3_len);
+ *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
+ (void *)seed4, (size_t)seed4_len);
+ *p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
+ (void *)seed5, (size_t)seed5_len);
+ *p = OSSL_PARAM_construct_end();
+ if (EVP_KDF_derive(kctx, out, olen, params)) {
+ EVP_KDF_CTX_free(kctx);
+ return 1;
}
- ret = 1;
- err:
- EVP_PKEY_free(mac_key);
- EVP_MD_CTX_cleanup(&ctx);
- EVP_MD_CTX_cleanup(&ctx_tmp);
- EVP_MD_CTX_cleanup(&ctx_init);
- OPENSSL_cleanse(A1, sizeof(A1));
- return ret;
-}
-/* seed1 through seed5 are virtually concatenated */
-static int tls1_PRF(long digest_mask,
- 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,
- const unsigned char *sec, int slen,
- unsigned char *out1, unsigned char *out2, int olen)
-{
- int len, i, idx, count;
- const unsigned char *S1;
- long m;
- const EVP_MD *md;
- int ret = 0;
-
- /* Count number of digests and partition sec evenly */
- count = 0;
- for (idx = 0; ssl_get_handshake_digest(idx, &m, &md); idx++) {
- if ((m << TLS1_PRF_DGST_SHIFT) & digest_mask)
- count++;
- }
- if (!count) {
- /* Should never happen */
- SSLerr(SSL_F_TLS1_PRF, ERR_R_INTERNAL_ERROR);
- goto err;
- }
- len = slen / count;
- if (count == 1)
- slen = 0;
- S1 = sec;
- memset(out1, 0, olen);
- for (idx = 0; ssl_get_handshake_digest(idx, &m, &md); idx++) {
- if ((m << TLS1_PRF_DGST_SHIFT) & digest_mask) {
- if (!md) {
- SSLerr(SSL_F_TLS1_PRF, SSL_R_UNSUPPORTED_DIGEST_TYPE);
- goto err;
- }
- if (!tls1_P_hash(md, S1, len + (slen & 1),
- seed1, seed1_len, seed2, seed2_len, seed3,
- seed3_len, seed4, seed4_len, seed5, seed5_len,
- out2, olen))
- goto err;
- S1 += len;
- for (i = 0; i < olen; i++) {
- out1[i] ^= out2[i];
- }
- }
- }
- ret = 1;
err:
- return ret;
+ if (fatal)
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
+ else
+ ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
+ EVP_KDF_CTX_free(kctx);
+ return 0;
}
-static int tls1_generate_key_block(SSL *s, unsigned char *km,
- unsigned char *tmp, int num)
+static int tls1_generate_key_block(SSL_CONNECTION *s, unsigned char *km,
+ size_t num)
{
int ret;
- ret = tls1_PRF(ssl_get_algorithm2(s),
+
+ /* Calls SSLfatal() as required */
+ ret = tls1_PRF(s,
TLS_MD_KEY_EXPANSION_CONST,
- TLS_MD_KEY_EXPANSION_CONST_SIZE, s->s3->server_random,
- SSL3_RANDOM_SIZE, s->s3->client_random, SSL3_RANDOM_SIZE,
+ 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, 1);
return ret;
}
-int tls1_change_cipher_state(SSL *s, int which)
+static int tls_iv_length_within_key_block(const EVP_CIPHER *c)
+{
+ /* If GCM/CCM mode only part of IV comes from PRF */
+ if (EVP_CIPHER_get_mode(c) == EVP_CIPH_GCM_MODE)
+ return EVP_GCM_TLS_FIXED_IV_LEN;
+ else if (EVP_CIPHER_get_mode(c) == EVP_CIPH_CCM_MODE)
+ return EVP_CCM_TLS_FIXED_IV_LEN;
+ else
+ return EVP_CIPHER_get_iv_length(c);
+}
+
+int tls1_change_cipher_state(SSL_CONNECTION *s, int which)
{
- static const unsigned char empty[] = "";
unsigned char *p, *mac_secret;
- unsigned char *exp_label;
- unsigned char tmp1[EVP_MAX_KEY_LENGTH];
- unsigned char tmp2[EVP_MAX_KEY_LENGTH];
- unsigned char iv1[EVP_MAX_IV_LENGTH * 2];
- unsigned char iv2[EVP_MAX_IV_LENGTH * 2];
- unsigned char *ms, *key, *iv;
- int client_write;
- EVP_CIPHER_CTX *dd;
+ unsigned char *key, *iv;
const EVP_CIPHER *c;
-#ifndef OPENSSL_NO_COMP
- const SSL_COMP *comp;
-#endif
+ const SSL_COMP *comp = NULL;
const EVP_MD *m;
int mac_type;
- int *mac_secret_size;
- EVP_MD_CTX *mac_ctx;
- EVP_PKEY *mac_key;
- int is_export, n, i, j, k, exp_label_len, cl;
- int reuse_dd = 0;
-
- is_export = SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
- c = s->s3->tmp.new_sym_enc;
- m = s->s3->tmp.new_hash;
- mac_type = s->s3->tmp.new_mac_pkey_type;
-#ifndef OPENSSL_NO_COMP
- comp = s->s3->tmp.new_compression;
-#endif
-
- if (which & SSL3_CC_READ) {
- if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
- s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM;
- else
- s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM;
+ size_t mac_secret_size;
+ size_t n, i, j, k, cl;
+ int iivlen;
+ /*
+ * Taglen is only relevant for CCM ciphersuites. Other ciphersuites
+ * ignore this value so we can default it to 0.
+ */
+ size_t taglen = 0;
+ int direction;
- if (s->enc_read_ctx != NULL)
- reuse_dd = 1;
- else if ((s->enc_read_ctx =
- OPENSSL_malloc(sizeof(*s->enc_read_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;
- mac_ctx = ssl_replace_hash(&s->read_hash, NULL);
-#ifndef OPENSSL_NO_COMP
- COMP_CTX_free(s->expand);
- s->expand = NULL;
- if (comp != NULL) {
- s->expand = COMP_CTX_new(comp->method);
- if (s->expand == NULL) {
- SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,
- SSL_R_COMPRESSION_LIBRARY_ERROR);
- goto err2;
- }
- if (!RECORD_LAYER_setup_comp_buffer(&s->rlayer))
- goto err;
- }
-#endif
- /*
- * this is done by dtls1_reset_seq_numbers for DTLS
- */
- if (!SSL_IS_DTLS(s))
- RECORD_LAYER_reset_read_sequence(&s->rlayer);
- mac_secret = &(s->s3->read_mac_secret[0]);
- mac_secret_size = &(s->s3->read_mac_secret_size);
- } else {
- if (s->s3->tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
- s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM;
- else
- s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM;
- if (s->enc_write_ctx != NULL && !SSL_IS_DTLS(s))
- reuse_dd = 1;
- else if ((s->enc_write_ctx = EVP_CIPHER_CTX_new()) == NULL)
- goto err;
- dd = s->enc_write_ctx;
- if (SSL_IS_DTLS(s)) {
- mac_ctx = EVP_MD_CTX_create();
- if (!mac_ctx)
- goto err;
- s->write_hash = mac_ctx;
- } else
- mac_ctx = ssl_replace_hash(&s->write_hash, NULL);
+ c = s->s3.tmp.new_sym_enc;
+ m = s->s3.tmp.new_hash;
+ mac_type = s->s3.tmp.new_mac_pkey_type;
#ifndef OPENSSL_NO_COMP
- COMP_CTX_free(s->compress);
- s->compress = NULL;
- if (comp != NULL) {
- s->compress = COMP_CTX_new(comp->method);
- if (s->compress == NULL) {
- SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE,
- SSL_R_COMPRESSION_LIBRARY_ERROR);
- goto err2;
- }
- }
+ comp = s->s3.tmp.new_compression;
#endif
- /*
- * this is done by dtls1_reset_seq_numbers for DTLS
- */
- if (!SSL_IS_DTLS(s))
- RECORD_LAYER_reset_write_sequence(&s->rlayer);
- mac_secret = &(s->s3->write_mac_secret[0]);
- mac_secret_size = &(s->s3->write_mac_secret_size);
- }
- if (reuse_dd)
- EVP_CIPHER_CTX_cleanup(dd);
+ p = s->s3.tmp.key_block;
+ i = mac_secret_size = s->s3.tmp.new_mac_secret_size;
- p = s->s3->tmp.key_block;
- i = *mac_secret_size = s->s3->tmp.new_mac_secret_size;
-
- cl = EVP_CIPHER_key_length(c);
- j = is_export ? (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); */
- /* If GCM mode only part of IV comes from PRF */
- if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE)
- k = EVP_GCM_TLS_FIXED_IV_LEN;
- else
- k = EVP_CIPHER_iv_length(c);
+ cl = EVP_CIPHER_get_key_length(c);
+ j = cl;
+ iivlen = tls_iv_length_within_key_block(c);
+ if (iivlen < 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
+ k = iivlen;
if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
(which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
- ms = &(p[0]);
+ mac_secret = &(p[0]);
n = i + i;
key = &(p[n]);
n += j + j;
iv = &(p[n]);
n += k + k;
- exp_label = (unsigned char *)TLS_MD_CLIENT_WRITE_KEY_CONST;
- exp_label_len = TLS_MD_CLIENT_WRITE_KEY_CONST_SIZE;
- client_write = 1;
} else {
n = i;
- ms = &(p[n]);
+ mac_secret = &(p[n]);
n += i + j;
key = &(p[n]);
n += j + k;
iv = &(p[n]);
n += k;
- exp_label = (unsigned char *)TLS_MD_SERVER_WRITE_KEY_CONST;
- exp_label_len = TLS_MD_SERVER_WRITE_KEY_CONST_SIZE;
- client_write = 0;
}
- if (n > s->s3->tmp.key_block_length) {
- SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
- goto err2;
+ if (n > s->s3.tmp.key_block_length) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
+ goto err;
}
- memcpy(mac_secret, ms, i);
-
- if (!(EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER)) {
- mac_key = EVP_PKEY_new_mac_key(mac_type, NULL,
- mac_secret, *mac_secret_size);
- EVP_DigestSignInit(mac_ctx, NULL, m, NULL, mac_key);
- EVP_PKEY_free(mac_key);
- }
-#ifdef TLS_DEBUG
- printf("which = %04X\nmac key=", which);
- {
- int z;
- for (z = 0; z < i; z++)
- printf("%02X%c", ms[z], ((z + 1) % 16) ? ' ' : '\n');
- }
-#endif
- if (is_export) {
- /*
- * In here I set both the read and write key/iv to the same value
- * since only the correct one will be used :-).
- */
- if (!tls1_PRF(ssl_get_algorithm2(s),
- exp_label, exp_label_len,
- s->s3->client_random, SSL3_RANDOM_SIZE,
- s->s3->server_random, SSL3_RANDOM_SIZE,
- NULL, 0, NULL, 0,
- key, j, tmp1, tmp2, EVP_CIPHER_key_length(c)))
- goto err2;
- key = tmp1;
-
- if (k > 0) {
- if (!tls1_PRF(ssl_get_algorithm2(s),
- TLS_MD_IV_BLOCK_CONST, TLS_MD_IV_BLOCK_CONST_SIZE,
- s->s3->client_random, SSL3_RANDOM_SIZE,
- s->s3->server_random, SSL3_RANDOM_SIZE,
- NULL, 0, NULL, 0, empty, 0, iv1, iv2, k * 2))
- goto err2;
- if (client_write)
- iv = iv1;
- else
- iv = &(iv1[k]);
+ switch (EVP_CIPHER_get_mode(c)) {
+ case EVP_CIPH_GCM_MODE:
+ taglen = EVP_GCM_TLS_TAG_LEN;
+ break;
+ case EVP_CIPH_CCM_MODE:
+ if ((s->s3.tmp.new_cipher->algorithm_enc
+ & (SSL_AES128CCM8 | SSL_AES256CCM8)) != 0)
+ taglen = EVP_CCM8_TLS_TAG_LEN;
+ else
+ taglen = EVP_CCM_TLS_TAG_LEN;
+ break;
+ default:
+ if (EVP_CIPHER_is_a(c, "CHACHA20-POLY1305")) {
+ taglen = EVP_CHACHAPOLY_TLS_TAG_LEN;
+ } else {
+ /* MAC secret size corresponds to the MAC output size */
+ taglen = s->s3.tmp.new_mac_secret_size;
}
+ break;
}
- if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE) {
- if (!EVP_CipherInit_ex(dd, c, NULL, key, NULL, (which & SSL3_CC_WRITE))
- || !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_GCM_SET_IV_FIXED, k, iv)) {
- SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
- goto err2;
- }
+ if (which & SSL3_CC_READ) {
+ if (s->ext.use_etm)
+ s->s3.flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
+ else
+ s->s3.flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
+
+ if (s->s3.tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
+ s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM;
+ else
+ s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM;
+
+ if (s->s3.tmp.new_cipher->algorithm2 & TLS1_TLSTREE)
+ s->mac_flags |= SSL_MAC_FLAG_READ_MAC_TLSTREE;
+ else
+ s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_TLSTREE;
+
+ direction = OSSL_RECORD_DIRECTION_READ;
} else {
- if (!EVP_CipherInit_ex(dd, c, NULL, key, iv, (which & SSL3_CC_WRITE))) {
- SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
- goto err2;
- }
- }
- /* Needed for "composite" AEADs, such as RC4-HMAC-MD5 */
- if ((EVP_CIPHER_flags(c) & EVP_CIPH_FLAG_AEAD_CIPHER) && *mac_secret_size
- && !EVP_CIPHER_CTX_ctrl(dd, EVP_CTRL_AEAD_SET_MAC_KEY,
- *mac_secret_size, mac_secret)) {
- SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_INTERNAL_ERROR);
- goto err2;
- }
-#ifdef OPENSSL_SSL_TRACE_CRYPTO
- if (s->msg_callback) {
- int wh = which & SSL3_CC_WRITE ? TLS1_RT_CRYPTO_WRITE : 0;
- if (*mac_secret_size)
- s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_MAC,
- mac_secret, *mac_secret_size,
- s, s->msg_callback_arg);
- if (c->key_len)
- s->msg_callback(2, s->version, wh | TLS1_RT_CRYPTO_KEY,
- key, c->key_len, s, s->msg_callback_arg);
- if (k) {
- if (EVP_CIPHER_mode(c) == EVP_CIPH_GCM_MODE)
- wh |= TLS1_RT_CRYPTO_FIXED_IV;
- else
- wh |= TLS1_RT_CRYPTO_IV;
- s->msg_callback(2, s->version, wh, iv, k, s, s->msg_callback_arg);
- }
- }
-#endif
+ if (s->ext.use_etm)
+ s->s3.flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
+ else
+ s->s3.flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
+
+ if (s->s3.tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
+ s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM;
+ else
+ s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM;
+
+ if (s->s3.tmp.new_cipher->algorithm2 & TLS1_TLSTREE)
+ s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_TLSTREE;
+ else
+ s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_TLSTREE;
-#ifdef TLS_DEBUG
- printf("which = %04X\nkey=", which);
- {
- int z;
- for (z = 0; z < EVP_CIPHER_key_length(c); z++)
- printf("%02X%c", key[z], ((z + 1) % 16) ? ' ' : '\n');
+ direction = OSSL_RECORD_DIRECTION_WRITE;
}
- printf("\niv=");
- {
- int z;
- for (z = 0; z < k; z++)
- printf("%02X%c", iv[z], ((z + 1) % 16) ? ' ' : '\n');
+
+ if (SSL_CONNECTION_IS_DTLS(s))
+ dtls1_increment_epoch(s, which);
+
+ if (!ssl_set_new_record_layer(s, s->version, direction,
+ OSSL_RECORD_PROTECTION_LEVEL_APPLICATION,
+ NULL, 0, key, cl, iv, (size_t)k, mac_secret,
+ mac_secret_size, c, taglen, mac_type,
+ m, comp, NULL)) {
+ /* SSLfatal already called */
+ goto err;
}
- printf("\n");
-#endif
- OPENSSL_cleanse(tmp1, sizeof(tmp1));
- OPENSSL_cleanse(tmp2, sizeof(tmp1));
- OPENSSL_cleanse(iv1, sizeof(iv1));
- OPENSSL_cleanse(iv2, sizeof(iv2));
- return (1);
+ OSSL_TRACE_BEGIN(TLS) {
+ BIO_printf(trc_out, "which = %04X, key:\n", which);
+ BIO_dump_indent(trc_out, key, EVP_CIPHER_get_key_length(c), 4);
+ BIO_printf(trc_out, "iv:\n");
+ BIO_dump_indent(trc_out, iv, k, 4);
+ } OSSL_TRACE_END(TLS);
+
+ return 1;
err:
- SSLerr(SSL_F_TLS1_CHANGE_CIPHER_STATE, ERR_R_MALLOC_FAILURE);
- err2:
- OPENSSL_cleanse(tmp1, sizeof(tmp1));
- OPENSSL_cleanse(tmp2, sizeof(tmp1));
- OPENSSL_cleanse(iv1, sizeof(iv1));
- OPENSSL_cleanse(iv2, sizeof(iv2));
- return (0);
+ return 0;
}
-int tls1_setup_key_block(SSL *s)
+int tls1_setup_key_block(SSL_CONNECTION *s)
{
- unsigned char *p1, *p2 = NULL;
+ unsigned char *p;
const EVP_CIPHER *c;
const EVP_MD *hash;
- int num;
SSL_COMP *comp;
- int mac_type = NID_undef, mac_secret_size = 0;
+ int mac_type = NID_undef;
+ size_t num, mac_secret_size = 0;
int ret = 0;
+ int ivlen;
- if (s->s3->tmp.key_block_length != 0)
- return (1);
+ if (s->s3.tmp.key_block_length != 0)
+ return 1;
- if (!ssl_cipher_get_evp
- (s->session, &c, &hash, &mac_type, &mac_secret_size, &comp,
- SSL_USE_ETM(s))) {
- SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK, SSL_R_CIPHER_OR_HASH_UNAVAILABLE);
- return (0);
+ if (!ssl_cipher_get_evp(SSL_CONNECTION_GET_CTX(s), s->session, &c, &hash,
+ &mac_type, &mac_secret_size, &comp,
+ s->ext.use_etm)) {
+ /* Error is already recorded */
+ SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
+ return 0;
}
- s->s3->tmp.new_sym_enc = c;
- s->s3->tmp.new_hash = hash;
- s->s3->tmp.new_mac_pkey_type = mac_type;
- s->s3->tmp.new_mac_secret_size = mac_secret_size;
- num =
- EVP_CIPHER_key_length(c) + mac_secret_size + EVP_CIPHER_iv_length(c);
+ ssl_evp_cipher_free(s->s3.tmp.new_sym_enc);
+ s->s3.tmp.new_sym_enc = c;
+ ssl_evp_md_free(s->s3.tmp.new_hash);
+ s->s3.tmp.new_hash = hash;
+ s->s3.tmp.new_mac_pkey_type = mac_type;
+ s->s3.tmp.new_mac_secret_size = mac_secret_size;
+ ivlen = tls_iv_length_within_key_block(c);
+ if (ivlen < 0) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+ num = mac_secret_size + EVP_CIPHER_get_key_length(c) + ivlen;
num *= 2;
ssl3_cleanup_key_block(s);
- if ((p1 = OPENSSL_malloc(num)) == NULL) {
- SSLerr(SSL_F_TLS1_SETUP_KEY_BLOCK, ERR_R_MALLOC_FAILURE);
+ if ((p = OPENSSL_malloc(num)) == NULL) {
+ SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
goto err;
}
- s->s3->tmp.key_block_length = num;
- s->s3->tmp.key_block = p1;
+ s->s3.tmp.key_block_length = num;
+ s->s3.tmp.key_block = p;
+
+ OSSL_TRACE_BEGIN(TLS) {
+ BIO_printf(trc_out, "key block length: %zu\n", num);
+ BIO_printf(trc_out, "client random\n");
+ BIO_dump_indent(trc_out, s->s3.client_random, SSL3_RANDOM_SIZE, 4);
+ BIO_printf(trc_out, "server random\n");
+ BIO_dump_indent(trc_out, s->s3.server_random, SSL3_RANDOM_SIZE, 4);
+ BIO_printf(trc_out, "master key\n");
+ BIO_dump_indent(trc_out,
+ s->session->master_key,
+ s->session->master_key_length, 4);
+ } OSSL_TRACE_END(TLS);
- 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
- printf("client random\n");
- {
- int z;
- for (z = 0; z < SSL3_RANDOM_SIZE; z++)
- printf("%02X%c", s->s3->client_random[z],
- ((z + 1) % 16) ? ' ' : '\n');
- }
- printf("server random\n");
- {
- int z;
- for (z = 0; z < SSL3_RANDOM_SIZE; z++)
- printf("%02X%c", s->s3->server_random[z],
- ((z + 1) % 16) ? ' ' : '\n');
- }
- printf("master key\n");
- {
- int z;
- for (z = 0; z < s->session->master_key_length; z++)
- printf("%02X%c", s->session->master_key[z],
- ((z + 1) % 16) ? ' ' : '\n');
- }
-#endif
- if (!tls1_generate_key_block(s, p1, p2, num))
+ if (!tls1_generate_key_block(s, p, num)) {
+ /* SSLfatal() already called */
goto err;
-#ifdef TLS_DEBUG
- printf("\nkey block\n");
- {
- int z;
- for (z = 0; z < num; z++)
- printf("%02X%c", p1[z], ((z + 1) % 16) ? ' ' : '\n');
}
-#endif
- if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS)
- && s->method->version <= TLS1_VERSION) {
- /*
- * 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
- }
- }
+ OSSL_TRACE_BEGIN(TLS) {
+ BIO_printf(trc_out, "key block\n");
+ BIO_dump_indent(trc_out, p, num, 4);
+ } OSSL_TRACE_END(TLS);
ret = 1;
err:
- OPENSSL_clear_free(p2, num);
- return (ret);
+ return ret;
}
-
-int tls1_cert_verify_mac(SSL *s, int md_nid, unsigned char *out)
+size_t tls1_final_finish_mac(SSL_CONNECTION *s, const char *str,
+ size_t slen, unsigned char *out)
{
- unsigned int ret;
- EVP_MD_CTX ctx, *d = NULL;
- int i;
+ size_t hashlen;
+ unsigned char hash[EVP_MAX_MD_SIZE];
+ size_t finished_size = TLS1_FINISH_MAC_LENGTH;
- if (s->s3->handshake_buffer)
- if (!ssl3_digest_cached_records(s))
- return 0;
+ if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kGOST18)
+ finished_size = 32;
- 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_TLS1_CERT_VERIFY_MAC, SSL_R_NO_REQUIRED_DIGEST);
+ if (!ssl3_digest_cached_records(s, 0)) {
+ /* SSLfatal() already called */
return 0;
}
- EVP_MD_CTX_init(&ctx);
- EVP_MD_CTX_copy_ex(&ctx, d);
- EVP_DigestFinal_ex(&ctx, out, &ret);
- EVP_MD_CTX_cleanup(&ctx);
- return ((int)ret);
-}
-
-int tls1_final_finish_mac(SSL *s, const char *str, int slen,
- unsigned char *out)
-{
- int hashlen;
- unsigned char hash[2 * EVP_MAX_MD_SIZE];
- unsigned char buf2[12];
-
- if (s->s3->handshake_buffer)
- if (!ssl3_digest_cached_records(s))
- return 0;
-
- hashlen = ssl_handshake_hash(s, hash, sizeof(hash));
-
- if (hashlen == 0)
+ if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
+ /* SSLfatal() already called */
return 0;
+ }
- if (!tls1_PRF(ssl_get_algorithm2(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, finished_size, 1)) {
+ /* SSLfatal() already called */
return 0;
+ }
OPENSSL_cleanse(hash, hashlen);
- OPENSSL_cleanse(buf2, sizeof(buf2));
- return sizeof(buf2);
+ return finished_size;
}
-int tls1_generate_master_secret(SSL *s, unsigned char *out, unsigned char *p,
- int len)
+int tls1_generate_master_secret(SSL_CONNECTION *s, unsigned char *out,
+ unsigned char *p, size_t len,
+ size_t *secret_size)
{
- 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;
- /* If we don't have any digests cache records */
- if (s->s3->handshake_buffer) {
- /*
- * keep record buffer: this wont affect client auth because we're
- * freezing the buffer at the same point (after client key
- * exchange and before certificate verify)
- */
- s->s3->flags |= TLS1_FLAGS_KEEP_HANDSHAKE;
- if (!ssl3_digest_cached_records(s))
- return -1;
+ size_t hashlen;
+ /*
+ * Digest cached records keeping record buffer (if present): this won't
+ * affect client auth because we're freezing the buffer at the same
+ * point (after client key exchange and before certificate verify)
+ */
+ if (!ssl3_digest_cached_records(s, 1)
+ || !ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
+ /* SSLfatal() already called */
+ return 0;
+ }
+ OSSL_TRACE_BEGIN(TLS) {
+ BIO_printf(trc_out, "Handshake hashes:\n");
+ BIO_dump(trc_out, (char *)hash, hashlen);
+ } OSSL_TRACE_END(TLS);
+ if (!tls1_PRF(s,
+ TLS_MD_EXTENDED_MASTER_SECRET_CONST,
+ TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
+ hash, hashlen,
+ NULL, 0,
+ NULL, 0,
+ NULL, 0, p, len, out,
+ SSL3_MASTER_SECRET_SIZE, 1)) {
+ /* SSLfatal() already called */
+ return 0;
}
- hashlen = ssl_handshake_hash(s, hash, sizeof(hash));
-#ifdef SSL_DEBUG
- fprintf(stderr, "Handshake hashes:\n");
- BIO_dump_fp(stderr, (char *)hash, hashlen);
-#endif
- tls1_PRF(ssl_get_algorithm2(s),
- TLS_MD_EXTENDED_MASTER_SECRET_CONST,
- TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
- hash, hashlen,
- NULL, 0,
- NULL, 0,
- NULL, 0, p, len, s->session->master_key, buff, sizeof buff);
OPENSSL_cleanse(hash, hashlen);
} else {
- tls1_PRF(ssl_get_algorithm2(s),
- TLS_MD_MASTER_SECRET_CONST,
- TLS_MD_MASTER_SECRET_CONST_SIZE,
- 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);
+ if (!tls1_PRF(s,
+ TLS_MD_MASTER_SECRET_CONST,
+ TLS_MD_MASTER_SECRET_CONST_SIZE,
+ s->s3.client_random, SSL3_RANDOM_SIZE,
+ NULL, 0,
+ s->s3.server_random, SSL3_RANDOM_SIZE,
+ NULL, 0, p, len, out,
+ SSL3_MASTER_SECRET_SIZE, 1)) {
+ /* SSLfatal() already called */
+ return 0;
+ }
}
- OPENSSL_cleanse(buff, sizeof buff);
-#ifdef SSL_DEBUG
- fprintf(stderr, "Premaster Secret:\n");
- BIO_dump_fp(stderr, (char *)p, len);
- fprintf(stderr, "Client Random:\n");
- BIO_dump_fp(stderr, (char *)s->s3->client_random, SSL3_RANDOM_SIZE);
- fprintf(stderr, "Server Random:\n");
- BIO_dump_fp(stderr, (char *)s->s3->server_random, SSL3_RANDOM_SIZE);
- fprintf(stderr, "Master Secret:\n");
- BIO_dump_fp(stderr, (char *)s->session->master_key,
- SSL3_MASTER_SECRET_SIZE);
-#endif
-#ifdef OPENSSL_SSL_TRACE_CRYPTO
- if (s->msg_callback) {
- s->msg_callback(2, s->version, TLS1_RT_CRYPTO_PREMASTER,
- p, len, s, s->msg_callback_arg);
- s->msg_callback(2, s->version, TLS1_RT_CRYPTO_CLIENT_RANDOM,
- s->s3->client_random, SSL3_RANDOM_SIZE,
- s, s->msg_callback_arg);
- s->msg_callback(2, s->version, TLS1_RT_CRYPTO_SERVER_RANDOM,
- s->s3->server_random, SSL3_RANDOM_SIZE,
- s, s->msg_callback_arg);
- s->msg_callback(2, s->version, TLS1_RT_CRYPTO_MASTER,
+ OSSL_TRACE_BEGIN(TLS) {
+ BIO_printf(trc_out, "Premaster Secret:\n");
+ BIO_dump_indent(trc_out, p, len, 4);
+ BIO_printf(trc_out, "Client Random:\n");
+ BIO_dump_indent(trc_out, s->s3.client_random, SSL3_RANDOM_SIZE, 4);
+ BIO_printf(trc_out, "Server Random:\n");
+ BIO_dump_indent(trc_out, s->s3.server_random, SSL3_RANDOM_SIZE, 4);
+ BIO_printf(trc_out, "Master Secret:\n");
+ BIO_dump_indent(trc_out,
s->session->master_key,
- SSL3_MASTER_SECRET_SIZE, s, s->msg_callback_arg);
- }
-#endif
+ SSL3_MASTER_SECRET_SIZE, 4);
+ } OSSL_TRACE_END(TLS);
- return (SSL3_MASTER_SECRET_SIZE);
+ *secret_size = SSL3_MASTER_SECRET_SIZE;
+ return 1;
}
-int tls1_export_keying_material(SSL *s, unsigned char *out, size_t olen,
- const char *label, size_t llen,
+int tls1_export_keying_material(SSL_CONNECTION *s, unsigned char *out,
+ size_t olen, const char *label, size_t llen,
const unsigned char *context,
size_t contextlen, int use_context)
{
- unsigned char *buff;
unsigned char *val = NULL;
size_t vallen = 0, currentvalpos;
- int rv;
+ int rv = 0;
- buff = OPENSSL_malloc(olen);
- if (buff == NULL)
- goto err2;
+ /*
+ * RFC 5705 embeds context length as uint16; reject longer context
+ * before proceeding.
+ */
+ if (contextlen > 0xffff) {
+ ERR_raise(ERR_LIB_SSL, ERR_R_PASSED_INVALID_ARGUMENT);
+ return 0;
+ }
/*
* construct PRF arguments we construct the PRF argument ourself rather
val = OPENSSL_malloc(vallen);
if (val == NULL)
- goto err2;
+ goto ret;
currentvalpos = 0;
memcpy(val + currentvalpos, (unsigned char *)label, llen);
currentvalpos += llen;
- memcpy(val + currentvalpos, s->s3->client_random, SSL3_RANDOM_SIZE);
+ memcpy(val + currentvalpos, s->s3.client_random, SSL3_RANDOM_SIZE);
currentvalpos += SSL3_RANDOM_SIZE;
- memcpy(val + currentvalpos, s->s3->server_random, SSL3_RANDOM_SIZE);
+ memcpy(val + currentvalpos, s->s3.server_random, SSL3_RANDOM_SIZE);
currentvalpos += SSL3_RANDOM_SIZE;
if (use_context) {
TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0)
goto err1;
- rv = tls1_PRF(ssl_get_algorithm2(s),
+ rv = tls1_PRF(s,
val, vallen,
NULL, 0,
NULL, 0,
NULL, 0,
NULL, 0,
s->session->master_key, s->session->master_key_length,
- out, buff, olen);
+ out, olen, 0);
goto ret;
err1:
- SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL,
- SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
- rv = 0;
- goto ret;
- err2:
- SSLerr(SSL_F_TLS1_EXPORT_KEYING_MATERIAL, ERR_R_MALLOC_FAILURE);
- rv = 0;
+ ERR_raise(ERR_LIB_SSL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
ret:
- CRYPTO_clear_free(val, vallen);
- CRYPTO_clear_free(buff, olen);
- return (rv);
+ OPENSSL_clear_free(val, vallen);
+ return rv;
}
int tls1_alert_code(int code)
{
switch (code) {
case SSL_AD_CLOSE_NOTIFY:
- return (SSL3_AD_CLOSE_NOTIFY);
+ return SSL3_AD_CLOSE_NOTIFY;
case SSL_AD_UNEXPECTED_MESSAGE:
- return (SSL3_AD_UNEXPECTED_MESSAGE);
+ return SSL3_AD_UNEXPECTED_MESSAGE;
case SSL_AD_BAD_RECORD_MAC:
- return (SSL3_AD_BAD_RECORD_MAC);
+ return SSL3_AD_BAD_RECORD_MAC;
case SSL_AD_DECRYPTION_FAILED:
- return (TLS1_AD_DECRYPTION_FAILED);
+ return TLS1_AD_DECRYPTION_FAILED;
case SSL_AD_RECORD_OVERFLOW:
- return (TLS1_AD_RECORD_OVERFLOW);
+ return TLS1_AD_RECORD_OVERFLOW;
case SSL_AD_DECOMPRESSION_FAILURE:
- return (SSL3_AD_DECOMPRESSION_FAILURE);
+ return SSL3_AD_DECOMPRESSION_FAILURE;
case SSL_AD_HANDSHAKE_FAILURE:
- return (SSL3_AD_HANDSHAKE_FAILURE);
+ return SSL3_AD_HANDSHAKE_FAILURE;
case SSL_AD_NO_CERTIFICATE:
- return (-1);
+ return -1;
case SSL_AD_BAD_CERTIFICATE:
- return (SSL3_AD_BAD_CERTIFICATE);
+ return SSL3_AD_BAD_CERTIFICATE;
case SSL_AD_UNSUPPORTED_CERTIFICATE:
- return (SSL3_AD_UNSUPPORTED_CERTIFICATE);
+ return SSL3_AD_UNSUPPORTED_CERTIFICATE;
case SSL_AD_CERTIFICATE_REVOKED:
- return (SSL3_AD_CERTIFICATE_REVOKED);
+ return SSL3_AD_CERTIFICATE_REVOKED;
case SSL_AD_CERTIFICATE_EXPIRED:
- return (SSL3_AD_CERTIFICATE_EXPIRED);
+ return SSL3_AD_CERTIFICATE_EXPIRED;
case SSL_AD_CERTIFICATE_UNKNOWN:
- return (SSL3_AD_CERTIFICATE_UNKNOWN);
+ return SSL3_AD_CERTIFICATE_UNKNOWN;
case SSL_AD_ILLEGAL_PARAMETER:
- return (SSL3_AD_ILLEGAL_PARAMETER);
+ return SSL3_AD_ILLEGAL_PARAMETER;
case SSL_AD_UNKNOWN_CA:
- return (TLS1_AD_UNKNOWN_CA);
+ return TLS1_AD_UNKNOWN_CA;
case SSL_AD_ACCESS_DENIED:
- return (TLS1_AD_ACCESS_DENIED);
+ return TLS1_AD_ACCESS_DENIED;
case SSL_AD_DECODE_ERROR:
- return (TLS1_AD_DECODE_ERROR);
+ return TLS1_AD_DECODE_ERROR;
case SSL_AD_DECRYPT_ERROR:
- return (TLS1_AD_DECRYPT_ERROR);
+ return TLS1_AD_DECRYPT_ERROR;
case SSL_AD_EXPORT_RESTRICTION:
- return (TLS1_AD_EXPORT_RESTRICTION);
+ return TLS1_AD_EXPORT_RESTRICTION;
case SSL_AD_PROTOCOL_VERSION:
- return (TLS1_AD_PROTOCOL_VERSION);
+ return TLS1_AD_PROTOCOL_VERSION;
case SSL_AD_INSUFFICIENT_SECURITY:
- return (TLS1_AD_INSUFFICIENT_SECURITY);
+ return TLS1_AD_INSUFFICIENT_SECURITY;
case SSL_AD_INTERNAL_ERROR:
- return (TLS1_AD_INTERNAL_ERROR);
+ return TLS1_AD_INTERNAL_ERROR;
case SSL_AD_USER_CANCELLED:
- return (TLS1_AD_USER_CANCELLED);
+ return TLS1_AD_USER_CANCELLED;
case SSL_AD_NO_RENEGOTIATION:
- return (TLS1_AD_NO_RENEGOTIATION);
+ return TLS1_AD_NO_RENEGOTIATION;
case SSL_AD_UNSUPPORTED_EXTENSION:
- return (TLS1_AD_UNSUPPORTED_EXTENSION);
+ return TLS1_AD_UNSUPPORTED_EXTENSION;
case SSL_AD_CERTIFICATE_UNOBTAINABLE:
- return (TLS1_AD_CERTIFICATE_UNOBTAINABLE);
+ return TLS1_AD_CERTIFICATE_UNOBTAINABLE;
case SSL_AD_UNRECOGNIZED_NAME:
- return (TLS1_AD_UNRECOGNIZED_NAME);
+ return TLS1_AD_UNRECOGNIZED_NAME;
case SSL_AD_BAD_CERTIFICATE_STATUS_RESPONSE:
- return (TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE);
+ return TLS1_AD_BAD_CERTIFICATE_STATUS_RESPONSE;
case SSL_AD_BAD_CERTIFICATE_HASH_VALUE:
- return (TLS1_AD_BAD_CERTIFICATE_HASH_VALUE);
+ return TLS1_AD_BAD_CERTIFICATE_HASH_VALUE;
case SSL_AD_UNKNOWN_PSK_IDENTITY:
- return (TLS1_AD_UNKNOWN_PSK_IDENTITY);
+ return TLS1_AD_UNKNOWN_PSK_IDENTITY;
case SSL_AD_INAPPROPRIATE_FALLBACK:
- return (TLS1_AD_INAPPROPRIATE_FALLBACK);
+ return TLS1_AD_INAPPROPRIATE_FALLBACK;
+ case SSL_AD_NO_APPLICATION_PROTOCOL:
+ return TLS1_AD_NO_APPLICATION_PROTOCOL;
+ case SSL_AD_CERTIFICATE_REQUIRED:
+ return SSL_AD_HANDSHAKE_FAILURE;
+ case TLS13_AD_MISSING_EXTENSION:
+ return SSL_AD_HANDSHAKE_FAILURE;
default:
- return (-1);
+ return -1;
}
}