249 lines
6.7 KiB
C
Executable File
249 lines
6.7 KiB
C
Executable File
/* $OpenBSD: m_sha1.c,v 1.19 2022/01/14 08:38:06 tb Exp $ */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <openssl/opensslconf.h>
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#ifndef OPENSSL_NO_SHA
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#include <openssl/evp.h>
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#include <openssl/objects.h>
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#include <openssl/sha.h>
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#ifndef OPENSSL_NO_RSA
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#include <openssl/rsa.h>
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#endif
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#include "evp_locl.h"
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static int
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init(EVP_MD_CTX *ctx)
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{
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return SHA1_Init(ctx->md_data);
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}
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static int
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update(EVP_MD_CTX *ctx, const void *data, size_t count)
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{
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return SHA1_Update(ctx->md_data, data, count);
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}
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static int
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final(EVP_MD_CTX *ctx, unsigned char *md)
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{
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return SHA1_Final(md, ctx->md_data);
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}
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static const EVP_MD sha1_md = {
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.type = NID_sha1,
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.pkey_type = NID_sha1WithRSAEncryption,
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.md_size = SHA_DIGEST_LENGTH,
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.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
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.init = init,
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.update = update,
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.final = final,
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.copy = NULL,
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.cleanup = NULL,
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.block_size = SHA_CBLOCK,
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.ctx_size = sizeof(EVP_MD *) + sizeof(SHA_CTX),
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};
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const EVP_MD *
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EVP_sha1(void)
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{
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return (&sha1_md);
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}
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#endif
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#ifndef OPENSSL_NO_SHA256
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static int
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init224(EVP_MD_CTX *ctx)
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{
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return SHA224_Init(ctx->md_data);
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}
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static int
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init256(EVP_MD_CTX *ctx)
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{
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return SHA256_Init(ctx->md_data);
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}
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/*
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* Even though there're separate SHA224_[Update|Final], we call
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* SHA256 functions even in SHA224 context. This is what happens
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* there anyway, so we can spare few CPU cycles:-)
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*/
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static int
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update256(EVP_MD_CTX *ctx, const void *data, size_t count)
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{
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return SHA256_Update(ctx->md_data, data, count);
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}
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static int
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final256(EVP_MD_CTX *ctx, unsigned char *md)
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{
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return SHA256_Final(md, ctx->md_data);
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}
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static const EVP_MD sha224_md = {
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.type = NID_sha224,
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.pkey_type = NID_sha224WithRSAEncryption,
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.md_size = SHA224_DIGEST_LENGTH,
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.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
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.init = init224,
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.update = update256,
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.final = final256,
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.copy = NULL,
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.cleanup = NULL,
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.block_size = SHA256_CBLOCK,
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.ctx_size = sizeof(EVP_MD *) + sizeof(SHA256_CTX),
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};
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const EVP_MD *
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EVP_sha224(void)
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{
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return (&sha224_md);
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}
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static const EVP_MD sha256_md = {
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.type = NID_sha256,
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.pkey_type = NID_sha256WithRSAEncryption,
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.md_size = SHA256_DIGEST_LENGTH,
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.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
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.init = init256,
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.update = update256,
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.final = final256,
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.copy = NULL,
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.cleanup = NULL,
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.block_size = SHA256_CBLOCK,
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.ctx_size = sizeof(EVP_MD *) + sizeof(SHA256_CTX),
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};
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const EVP_MD *
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EVP_sha256(void)
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{
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return (&sha256_md);
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}
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#endif /* ifndef OPENSSL_NO_SHA256 */
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#ifndef OPENSSL_NO_SHA512
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static int
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init384(EVP_MD_CTX *ctx)
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{
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return SHA384_Init(ctx->md_data);
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}
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static int
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init512(EVP_MD_CTX *ctx)
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{
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return SHA512_Init(ctx->md_data);
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}
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/* See comment in SHA224/256 section */
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static int
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update512(EVP_MD_CTX *ctx, const void *data, size_t count)
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{
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return SHA512_Update(ctx->md_data, data, count);
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}
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static int
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final512(EVP_MD_CTX *ctx, unsigned char *md)
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{
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return SHA512_Final(md, ctx->md_data);
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}
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static const EVP_MD sha384_md = {
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.type = NID_sha384,
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.pkey_type = NID_sha384WithRSAEncryption,
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.md_size = SHA384_DIGEST_LENGTH,
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.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
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.init = init384,
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.update = update512,
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.final = final512,
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.copy = NULL,
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.cleanup = NULL,
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.block_size = SHA512_CBLOCK,
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.ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX),
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};
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const EVP_MD *
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EVP_sha384(void)
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{
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return (&sha384_md);
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}
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static const EVP_MD sha512_md = {
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.type = NID_sha512,
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.pkey_type = NID_sha512WithRSAEncryption,
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.md_size = SHA512_DIGEST_LENGTH,
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.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
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.init = init512,
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.update = update512,
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.final = final512,
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.copy = NULL,
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.cleanup = NULL,
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.block_size = SHA512_CBLOCK,
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.ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX),
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};
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const EVP_MD *
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EVP_sha512(void)
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{
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return (&sha512_md);
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}
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#endif /* ifndef OPENSSL_NO_SHA512 */
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