/* Copyright (C) 1995-1998 Eric Young ([email protected]) * All rights reserved. * * This package is an SSL implementation written * by Eric Young ([email protected]). * 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 ([email protected]). * * 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 ([email protected])" * 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 ([email protected])" * * 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 * [email protected]. * * 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 * ([email protected]). This product includes software written by Tim * Hudson ([email protected]). * */ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * ECC cipher suite support in OpenSSL originally developed by * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. */ /* ==================================================================== * Copyright 2005 Nokia. All rights reserved. * * The portions of the attached software ("Contribution") is developed by * Nokia Corporation and is licensed pursuant to the OpenSSL open source * license. * * The Contribution, originally written by Mika Kousa and Pasi Eronen of * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites * support (see RFC 4279) to OpenSSL. * * No patent licenses or other rights except those expressly stated in * the OpenSSL open source license shall be deemed granted or received * expressly, by implication, estoppel, or otherwise. * * No assurances are provided by Nokia that the Contribution does not * infringe the patent or other intellectual property rights of any third * party or that the license provides you with all the necessary rights * to make use of the Contribution. * * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR * OTHERWISE. */ #include <openssl/ssl.h> #include <assert.h> #include <string.h> #include <openssl/err.h> #include <openssl/md5.h> #include <openssl/mem.h> #include <openssl/sha.h> #include <openssl/stack.h> #include "internal.h" #include "../crypto/internal.h" BSSL_NAMESPACE_BEGIN usingnamespacebssl; static constexpr int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b) { … } static int ssl_cipher_id_cmp_void(const void *in_a, const void *in_b) { … } template <size_t N> static constexpr bool ssl_ciphers_sorted(const SSL_CIPHER (&ciphers)[N]) { … } static_assert …; const SSL_CIPHER *SSL_get_cipher_by_value(uint16_t value) { … } uint32_t SSL_CIPHER_get_id(const SSL_CIPHER *cipher) { … } uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *cipher) { … } int SSL_CIPHER_is_aead(const SSL_CIPHER *cipher) { … } int SSL_CIPHER_get_cipher_nid(const SSL_CIPHER *cipher) { … } int SSL_CIPHER_get_digest_nid(const SSL_CIPHER *cipher) { … } int SSL_CIPHER_get_kx_nid(const SSL_CIPHER *cipher) { … } int SSL_CIPHER_get_auth_nid(const SSL_CIPHER *cipher) { … } const EVP_MD *SSL_CIPHER_get_handshake_digest(const SSL_CIPHER *cipher) { … } int SSL_CIPHER_get_prf_nid(const SSL_CIPHER *cipher) { … } int SSL_CIPHER_is_block_cipher(const SSL_CIPHER *cipher) { … } uint16_t SSL_CIPHER_get_min_version(const SSL_CIPHER *cipher) { … } uint16_t SSL_CIPHER_get_max_version(const SSL_CIPHER *cipher) { … } static const char* kUnknownCipher = …; // return the actual cipher being used const char *SSL_CIPHER_get_name(const SSL_CIPHER *cipher) { … } const char *SSL_CIPHER_standard_name(const SSL_CIPHER *cipher) { … } const char *SSL_CIPHER_get_kx_name(const SSL_CIPHER *cipher) { … } int SSL_CIPHER_get_bits(const SSL_CIPHER *cipher, int *out_alg_bits) { … } const char *SSL_CIPHER_description(const SSL_CIPHER *cipher, char *buf, int len) { … } const char *SSL_CIPHER_get_version(const SSL_CIPHER *cipher) { … } STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void) { … } int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm) { … } const char *SSL_COMP_get_name(const COMP_METHOD *comp) { … } const char *SSL_COMP_get0_name(const SSL_COMP *comp) { … } int SSL_COMP_get_id(const SSL_COMP *comp) { … } void SSL_COMP_free_compression_methods(void) { … } size_t SSL_get_all_cipher_names(const char **out, size_t max_out) { … } size_t SSL_get_all_standard_cipher_names(const char **out, size_t max_out) { … }
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