572 lines
19 KiB
C
572 lines
19 KiB
C
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/*
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* Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
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* Copyright 2005 Nokia. All rights reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <stdio.h>
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#include "ssl_local.h"
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#include "record/record_local.h"
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#include "internal/ktls.h"
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#include "internal/cryptlib.h"
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#include <openssl/comp.h>
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#include <openssl/evp.h>
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#include <openssl/kdf.h>
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#include <openssl/rand.h>
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#include <openssl/obj_mac.h>
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#include <openssl/core_names.h>
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#include <openssl/trace.h>
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/* seed1 through seed5 are concatenated */
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static int tls1_PRF(SSL_CONNECTION *s,
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const void *seed1, size_t seed1_len,
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const void *seed2, size_t seed2_len,
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const void *seed3, size_t seed3_len,
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const void *seed4, size_t seed4_len,
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const void *seed5, size_t seed5_len,
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const unsigned char *sec, size_t slen,
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unsigned char *out, size_t olen, int fatal)
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{
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const EVP_MD *md = ssl_prf_md(s);
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EVP_KDF *kdf;
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EVP_KDF_CTX *kctx = NULL;
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OSSL_PARAM params[8], *p = params;
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const char *mdname;
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if (md == NULL) {
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/* Should never happen */
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if (fatal)
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SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
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else
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ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
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return 0;
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}
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kdf = EVP_KDF_fetch(SSL_CONNECTION_GET_CTX(s)->libctx,
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OSSL_KDF_NAME_TLS1_PRF,
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SSL_CONNECTION_GET_CTX(s)->propq);
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if (kdf == NULL)
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goto err;
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kctx = EVP_KDF_CTX_new(kdf);
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EVP_KDF_free(kdf);
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if (kctx == NULL)
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goto err;
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mdname = EVP_MD_get0_name(md);
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*p++ = OSSL_PARAM_construct_utf8_string(OSSL_KDF_PARAM_DIGEST,
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(char *)mdname, 0);
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*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SECRET,
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(unsigned char *)sec,
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(size_t)slen);
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*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
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(void *)seed1, (size_t)seed1_len);
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*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
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(void *)seed2, (size_t)seed2_len);
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*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
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(void *)seed3, (size_t)seed3_len);
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*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
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(void *)seed4, (size_t)seed4_len);
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*p++ = OSSL_PARAM_construct_octet_string(OSSL_KDF_PARAM_SEED,
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(void *)seed5, (size_t)seed5_len);
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*p = OSSL_PARAM_construct_end();
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if (EVP_KDF_derive(kctx, out, olen, params)) {
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EVP_KDF_CTX_free(kctx);
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return 1;
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}
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err:
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if (fatal)
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SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
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else
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ERR_raise(ERR_LIB_SSL, ERR_R_INTERNAL_ERROR);
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EVP_KDF_CTX_free(kctx);
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return 0;
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}
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static int tls1_generate_key_block(SSL_CONNECTION *s, unsigned char *km,
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size_t num)
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{
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int ret;
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/* Calls SSLfatal() as required */
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ret = tls1_PRF(s,
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TLS_MD_KEY_EXPANSION_CONST,
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TLS_MD_KEY_EXPANSION_CONST_SIZE, s->s3.server_random,
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SSL3_RANDOM_SIZE, s->s3.client_random, SSL3_RANDOM_SIZE,
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NULL, 0, NULL, 0, s->session->master_key,
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s->session->master_key_length, km, num, 1);
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return ret;
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}
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static int tls_iv_length_within_key_block(const EVP_CIPHER *c)
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{
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/* If GCM/CCM mode only part of IV comes from PRF */
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if (EVP_CIPHER_get_mode(c) == EVP_CIPH_GCM_MODE)
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return EVP_GCM_TLS_FIXED_IV_LEN;
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else if (EVP_CIPHER_get_mode(c) == EVP_CIPH_CCM_MODE)
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return EVP_CCM_TLS_FIXED_IV_LEN;
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else
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return EVP_CIPHER_get_iv_length(c);
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}
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int tls1_change_cipher_state(SSL_CONNECTION *s, int which)
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{
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unsigned char *p, *mac_secret;
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unsigned char *key, *iv;
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const EVP_CIPHER *c;
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const SSL_COMP *comp = NULL;
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const EVP_MD *m;
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int mac_type;
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size_t mac_secret_size;
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size_t n, i, j, k, cl;
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int iivlen;
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/*
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* Taglen is only relevant for CCM ciphersuites. Other ciphersuites
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* ignore this value so we can default it to 0.
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*/
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size_t taglen = 0;
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int direction;
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c = s->s3.tmp.new_sym_enc;
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m = s->s3.tmp.new_hash;
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mac_type = s->s3.tmp.new_mac_pkey_type;
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#ifndef OPENSSL_NO_COMP
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comp = s->s3.tmp.new_compression;
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#endif
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p = s->s3.tmp.key_block;
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i = mac_secret_size = s->s3.tmp.new_mac_secret_size;
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cl = EVP_CIPHER_get_key_length(c);
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j = cl;
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iivlen = tls_iv_length_within_key_block(c);
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if (iivlen < 0) {
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SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
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goto err;
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}
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k = iivlen;
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if ((which == SSL3_CHANGE_CIPHER_CLIENT_WRITE) ||
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(which == SSL3_CHANGE_CIPHER_SERVER_READ)) {
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mac_secret = &(p[0]);
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n = i + i;
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key = &(p[n]);
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n += j + j;
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iv = &(p[n]);
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n += k + k;
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} else {
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n = i;
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mac_secret = &(p[n]);
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n += i + j;
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key = &(p[n]);
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n += j + k;
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iv = &(p[n]);
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n += k;
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}
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if (n > s->s3.tmp.key_block_length) {
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SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
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goto err;
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}
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switch (EVP_CIPHER_get_mode(c)) {
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case EVP_CIPH_GCM_MODE:
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taglen = EVP_GCM_TLS_TAG_LEN;
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break;
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case EVP_CIPH_CCM_MODE:
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if ((s->s3.tmp.new_cipher->algorithm_enc
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& (SSL_AES128CCM8 | SSL_AES256CCM8)) != 0)
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taglen = EVP_CCM8_TLS_TAG_LEN;
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else
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taglen = EVP_CCM_TLS_TAG_LEN;
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break;
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default:
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if (EVP_CIPHER_is_a(c, "CHACHA20-POLY1305")) {
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taglen = EVP_CHACHAPOLY_TLS_TAG_LEN;
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} else {
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/* MAC secret size corresponds to the MAC output size */
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taglen = s->s3.tmp.new_mac_secret_size;
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}
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break;
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}
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if (which & SSL3_CC_READ) {
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if (s->ext.use_etm)
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s->s3.flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
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else
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s->s3.flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_READ;
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if (s->s3.tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
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s->mac_flags |= SSL_MAC_FLAG_READ_MAC_STREAM;
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else
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s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_STREAM;
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if (s->s3.tmp.new_cipher->algorithm2 & TLS1_TLSTREE)
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s->mac_flags |= SSL_MAC_FLAG_READ_MAC_TLSTREE;
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else
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s->mac_flags &= ~SSL_MAC_FLAG_READ_MAC_TLSTREE;
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direction = OSSL_RECORD_DIRECTION_READ;
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} else {
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if (s->ext.use_etm)
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s->s3.flags |= TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
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else
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s->s3.flags &= ~TLS1_FLAGS_ENCRYPT_THEN_MAC_WRITE;
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if (s->s3.tmp.new_cipher->algorithm2 & TLS1_STREAM_MAC)
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s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_STREAM;
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else
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s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_STREAM;
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if (s->s3.tmp.new_cipher->algorithm2 & TLS1_TLSTREE)
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s->mac_flags |= SSL_MAC_FLAG_WRITE_MAC_TLSTREE;
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else
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s->mac_flags &= ~SSL_MAC_FLAG_WRITE_MAC_TLSTREE;
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direction = OSSL_RECORD_DIRECTION_WRITE;
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}
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if (!ssl_set_new_record_layer(s, s->version, direction,
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OSSL_RECORD_PROTECTION_LEVEL_APPLICATION,
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NULL, 0, key, cl, iv, (size_t)k, mac_secret,
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mac_secret_size, c, taglen, mac_type,
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m, comp, NULL)) {
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/* SSLfatal already called */
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goto err;
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}
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OSSL_TRACE_BEGIN(TLS) {
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BIO_printf(trc_out, "which = %04X, key:\n", which);
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BIO_dump_indent(trc_out, key, EVP_CIPHER_get_key_length(c), 4);
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BIO_printf(trc_out, "iv:\n");
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BIO_dump_indent(trc_out, iv, k, 4);
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} OSSL_TRACE_END(TLS);
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return 1;
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err:
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return 0;
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}
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int tls1_setup_key_block(SSL_CONNECTION *s)
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{
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unsigned char *p;
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const EVP_CIPHER *c;
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const EVP_MD *hash;
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SSL_COMP *comp;
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int mac_type = NID_undef;
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size_t num, mac_secret_size = 0;
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int ret = 0;
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int ivlen;
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if (s->s3.tmp.key_block_length != 0)
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return 1;
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if (!ssl_cipher_get_evp(SSL_CONNECTION_GET_CTX(s), s->session, &c, &hash,
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&mac_type, &mac_secret_size, &comp,
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s->ext.use_etm)) {
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/* Error is already recorded */
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SSLfatal_alert(s, SSL_AD_INTERNAL_ERROR);
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return 0;
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}
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ssl_evp_cipher_free(s->s3.tmp.new_sym_enc);
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s->s3.tmp.new_sym_enc = c;
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ssl_evp_md_free(s->s3.tmp.new_hash);
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s->s3.tmp.new_hash = hash;
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s->s3.tmp.new_mac_pkey_type = mac_type;
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s->s3.tmp.new_mac_secret_size = mac_secret_size;
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ivlen = tls_iv_length_within_key_block(c);
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if (ivlen < 0) {
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SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_INTERNAL_ERROR);
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return 0;
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}
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num = mac_secret_size + EVP_CIPHER_get_key_length(c) + ivlen;
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num *= 2;
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ssl3_cleanup_key_block(s);
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if ((p = OPENSSL_malloc(num)) == NULL) {
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SSLfatal(s, SSL_AD_INTERNAL_ERROR, ERR_R_CRYPTO_LIB);
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goto err;
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}
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s->s3.tmp.key_block_length = num;
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s->s3.tmp.key_block = p;
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OSSL_TRACE_BEGIN(TLS) {
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BIO_printf(trc_out, "key block length: %zu\n", num);
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BIO_printf(trc_out, "client random\n");
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BIO_dump_indent(trc_out, s->s3.client_random, SSL3_RANDOM_SIZE, 4);
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BIO_printf(trc_out, "server random\n");
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BIO_dump_indent(trc_out, s->s3.server_random, SSL3_RANDOM_SIZE, 4);
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BIO_printf(trc_out, "master key\n");
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BIO_dump_indent(trc_out,
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s->session->master_key,
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s->session->master_key_length, 4);
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} OSSL_TRACE_END(TLS);
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if (!tls1_generate_key_block(s, p, num)) {
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/* SSLfatal() already called */
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goto err;
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}
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OSSL_TRACE_BEGIN(TLS) {
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BIO_printf(trc_out, "key block\n");
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BIO_dump_indent(trc_out, p, num, 4);
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} OSSL_TRACE_END(TLS);
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ret = 1;
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err:
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return ret;
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}
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size_t tls1_final_finish_mac(SSL_CONNECTION *s, const char *str,
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size_t slen, unsigned char *out)
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{
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size_t hashlen;
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unsigned char hash[EVP_MAX_MD_SIZE];
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size_t finished_size = TLS1_FINISH_MAC_LENGTH;
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if (s->s3.tmp.new_cipher->algorithm_mkey & SSL_kGOST18)
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finished_size = 32;
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if (!ssl3_digest_cached_records(s, 0)) {
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/* SSLfatal() already called */
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return 0;
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}
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if (!ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
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/* SSLfatal() already called */
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return 0;
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}
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if (!tls1_PRF(s, str, slen, hash, hashlen, NULL, 0, NULL, 0, NULL, 0,
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s->session->master_key, s->session->master_key_length,
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out, finished_size, 1)) {
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/* SSLfatal() already called */
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return 0;
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}
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OPENSSL_cleanse(hash, hashlen);
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return finished_size;
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}
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int tls1_generate_master_secret(SSL_CONNECTION *s, unsigned char *out,
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unsigned char *p, size_t len,
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size_t *secret_size)
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{
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if (s->session->flags & SSL_SESS_FLAG_EXTMS) {
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unsigned char hash[EVP_MAX_MD_SIZE * 2];
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size_t hashlen;
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/*
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* Digest cached records keeping record buffer (if present): this won't
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* affect client auth because we're freezing the buffer at the same
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* point (after client key exchange and before certificate verify)
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*/
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if (!ssl3_digest_cached_records(s, 1)
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|| !ssl_handshake_hash(s, hash, sizeof(hash), &hashlen)) {
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/* SSLfatal() already called */
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return 0;
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}
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OSSL_TRACE_BEGIN(TLS) {
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BIO_printf(trc_out, "Handshake hashes:\n");
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BIO_dump(trc_out, (char *)hash, hashlen);
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} OSSL_TRACE_END(TLS);
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if (!tls1_PRF(s,
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TLS_MD_EXTENDED_MASTER_SECRET_CONST,
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TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE,
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hash, hashlen,
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NULL, 0,
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NULL, 0,
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NULL, 0, p, len, out,
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SSL3_MASTER_SECRET_SIZE, 1)) {
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/* SSLfatal() already called */
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return 0;
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}
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OPENSSL_cleanse(hash, hashlen);
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} else {
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if (!tls1_PRF(s,
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TLS_MD_MASTER_SECRET_CONST,
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||
|
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;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
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, 4);
|
||
|
} OSSL_TRACE_END(TLS);
|
||
|
|
||
|
*secret_size = SSL3_MASTER_SECRET_SIZE;
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
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 *val = NULL;
|
||
|
size_t vallen = 0, currentvalpos;
|
||
|
int rv = 0;
|
||
|
|
||
|
/*
|
||
|
* construct PRF arguments we construct the PRF argument ourself rather
|
||
|
* than passing separate values into the TLS PRF to ensure that the
|
||
|
* concatenation of values does not create a prohibited label.
|
||
|
*/
|
||
|
vallen = llen + SSL3_RANDOM_SIZE * 2;
|
||
|
if (use_context) {
|
||
|
vallen += 2 + contextlen;
|
||
|
}
|
||
|
|
||
|
val = OPENSSL_malloc(vallen);
|
||
|
if (val == NULL)
|
||
|
goto ret;
|
||
|
currentvalpos = 0;
|
||
|
memcpy(val + currentvalpos, (unsigned char *)label, llen);
|
||
|
currentvalpos += llen;
|
||
|
memcpy(val + currentvalpos, s->s3.client_random, SSL3_RANDOM_SIZE);
|
||
|
currentvalpos += SSL3_RANDOM_SIZE;
|
||
|
memcpy(val + currentvalpos, s->s3.server_random, SSL3_RANDOM_SIZE);
|
||
|
currentvalpos += SSL3_RANDOM_SIZE;
|
||
|
|
||
|
if (use_context) {
|
||
|
val[currentvalpos] = (contextlen >> 8) & 0xff;
|
||
|
currentvalpos++;
|
||
|
val[currentvalpos] = contextlen & 0xff;
|
||
|
currentvalpos++;
|
||
|
if ((contextlen > 0) || (context != NULL)) {
|
||
|
memcpy(val + currentvalpos, context, contextlen);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* disallow prohibited labels note that SSL3_RANDOM_SIZE > max(prohibited
|
||
|
* label len) = 15, so size of val > max(prohibited label len) = 15 and
|
||
|
* the comparisons won't have buffer overflow
|
||
|
*/
|
||
|
if (memcmp(val, TLS_MD_CLIENT_FINISH_CONST,
|
||
|
TLS_MD_CLIENT_FINISH_CONST_SIZE) == 0)
|
||
|
goto err1;
|
||
|
if (memcmp(val, TLS_MD_SERVER_FINISH_CONST,
|
||
|
TLS_MD_SERVER_FINISH_CONST_SIZE) == 0)
|
||
|
goto err1;
|
||
|
if (memcmp(val, TLS_MD_MASTER_SECRET_CONST,
|
||
|
TLS_MD_MASTER_SECRET_CONST_SIZE) == 0)
|
||
|
goto err1;
|
||
|
if (memcmp(val, TLS_MD_EXTENDED_MASTER_SECRET_CONST,
|
||
|
TLS_MD_EXTENDED_MASTER_SECRET_CONST_SIZE) == 0)
|
||
|
goto err1;
|
||
|
if (memcmp(val, TLS_MD_KEY_EXPANSION_CONST,
|
||
|
TLS_MD_KEY_EXPANSION_CONST_SIZE) == 0)
|
||
|
goto err1;
|
||
|
|
||
|
rv = tls1_PRF(s,
|
||
|
val, vallen,
|
||
|
NULL, 0,
|
||
|
NULL, 0,
|
||
|
NULL, 0,
|
||
|
NULL, 0,
|
||
|
s->session->master_key, s->session->master_key_length,
|
||
|
out, olen, 0);
|
||
|
|
||
|
goto ret;
|
||
|
err1:
|
||
|
ERR_raise(ERR_LIB_SSL, SSL_R_TLS_ILLEGAL_EXPORTER_LABEL);
|
||
|
ret:
|
||
|
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;
|
||
|
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 TLS1_AD_DECRYPTION_FAILED;
|
||
|
case SSL_AD_RECORD_OVERFLOW:
|
||
|
return TLS1_AD_RECORD_OVERFLOW;
|
||
|
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 -1;
|
||
|
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 TLS1_AD_UNKNOWN_CA;
|
||
|
case SSL_AD_ACCESS_DENIED:
|
||
|
return TLS1_AD_ACCESS_DENIED;
|
||
|
case SSL_AD_DECODE_ERROR:
|
||
|
return TLS1_AD_DECODE_ERROR;
|
||
|
case SSL_AD_DECRYPT_ERROR:
|
||
|
return TLS1_AD_DECRYPT_ERROR;
|
||
|
case SSL_AD_EXPORT_RESTRICTION:
|
||
|
return TLS1_AD_EXPORT_RESTRICTION;
|
||
|
case SSL_AD_PROTOCOL_VERSION:
|
||
|
return TLS1_AD_PROTOCOL_VERSION;
|
||
|
case SSL_AD_INSUFFICIENT_SECURITY:
|
||
|
return TLS1_AD_INSUFFICIENT_SECURITY;
|
||
|
case SSL_AD_INTERNAL_ERROR:
|
||
|
return TLS1_AD_INTERNAL_ERROR;
|
||
|
case SSL_AD_USER_CANCELLED:
|
||
|
return TLS1_AD_USER_CANCELLED;
|
||
|
case SSL_AD_NO_RENEGOTIATION:
|
||
|
return TLS1_AD_NO_RENEGOTIATION;
|
||
|
case SSL_AD_UNSUPPORTED_EXTENSION:
|
||
|
return TLS1_AD_UNSUPPORTED_EXTENSION;
|
||
|
case SSL_AD_CERTIFICATE_UNOBTAINABLE:
|
||
|
return TLS1_AD_CERTIFICATE_UNOBTAINABLE;
|
||
|
case SSL_AD_UNRECOGNIZED_NAME:
|
||
|
return TLS1_AD_UNRECOGNIZED_NAME;
|
||
|
case SSL_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;
|
||
|
case SSL_AD_UNKNOWN_PSK_IDENTITY:
|
||
|
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;
|
||
|
case SSL_AD_CERTIFICATE_REQUIRED:
|
||
|
return SSL_AD_HANDSHAKE_FAILURE;
|
||
|
case TLS13_AD_MISSING_EXTENSION:
|
||
|
return SSL_AD_HANDSHAKE_FAILURE;
|
||
|
default:
|
||
|
return -1;
|
||
|
}
|
||
|
}
|