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torque
2023-09-03 18:24:16 -07:00
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crypto/evp/m_sha1.c Normal file
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/* $OpenBSD: m_sha1.c,v 1.25 2023/07/07 19:37:53 beck Exp $ */
/* 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.]
*/
#include <stdio.h>
#include <openssl/opensslconf.h>
#ifndef OPENSSL_NO_SHA
#include <openssl/evp.h>
#include <openssl/objects.h>
#include <openssl/sha.h>
#ifndef OPENSSL_NO_RSA
#include <openssl/rsa.h>
#endif
#include "evp_local.h"
#include "sha_internal.h"
static int
sha1_init(EVP_MD_CTX *ctx)
{
return SHA1_Init(ctx->md_data);
}
static int
sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return SHA1_Update(ctx->md_data, data, count);
}
static int
sha1_final(EVP_MD_CTX *ctx, unsigned char *md)
{
return SHA1_Final(md, ctx->md_data);
}
static const EVP_MD sha1_md = {
.type = NID_sha1,
.pkey_type = NID_sha1WithRSAEncryption,
.md_size = SHA_DIGEST_LENGTH,
.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
.init = sha1_init,
.update = sha1_update,
.final = sha1_final,
.copy = NULL,
.cleanup = NULL,
.block_size = SHA_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SHA_CTX),
};
const EVP_MD *
EVP_sha1(void)
{
return &sha1_md;
}
#endif
#ifndef OPENSSL_NO_SHA256
static int
sha224_init(EVP_MD_CTX *ctx)
{
return SHA224_Init(ctx->md_data);
}
static int
sha224_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
/*
* Even though there're separate SHA224_[Update|Final], we call
* SHA256 functions even in SHA224 context. This is what happens
* there anyway, so we can spare few CPU cycles:-)
*/
return SHA256_Update(ctx->md_data, data, count);
}
static int
sha224_final(EVP_MD_CTX *ctx, unsigned char *md)
{
return SHA224_Final(md, ctx->md_data);
}
static const EVP_MD sha224_md = {
.type = NID_sha224,
.pkey_type = NID_sha224WithRSAEncryption,
.md_size = SHA224_DIGEST_LENGTH,
.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
.init = sha224_init,
.update = sha224_update,
.final = sha224_final,
.copy = NULL,
.cleanup = NULL,
.block_size = SHA256_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SHA256_CTX),
};
const EVP_MD *
EVP_sha224(void)
{
return &sha224_md;
}
static int
sha256_init(EVP_MD_CTX *ctx)
{
return SHA256_Init(ctx->md_data);
}
static int
sha256_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return SHA256_Update(ctx->md_data, data, count);
}
static int
sha256_final(EVP_MD_CTX *ctx, unsigned char *md)
{
return SHA256_Final(md, ctx->md_data);
}
static const EVP_MD sha256_md = {
.type = NID_sha256,
.pkey_type = NID_sha256WithRSAEncryption,
.md_size = SHA256_DIGEST_LENGTH,
.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
.init = sha256_init,
.update = sha256_update,
.final = sha256_final,
.copy = NULL,
.cleanup = NULL,
.block_size = SHA256_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SHA256_CTX),
};
const EVP_MD *
EVP_sha256(void)
{
return &sha256_md;
}
#endif /* ifndef OPENSSL_NO_SHA256 */
#ifndef OPENSSL_NO_SHA512
static int
sha384_init(EVP_MD_CTX *ctx)
{
return SHA384_Init(ctx->md_data);
}
static int
sha384_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
/* See comment in SHA224/256 section */
return SHA512_Update(ctx->md_data, data, count);
}
static int
sha384_final(EVP_MD_CTX *ctx, unsigned char *md)
{
return SHA384_Final(md, ctx->md_data);
}
static const EVP_MD sha384_md = {
.type = NID_sha384,
.pkey_type = NID_sha384WithRSAEncryption,
.md_size = SHA384_DIGEST_LENGTH,
.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
.init = sha384_init,
.update = sha384_update,
.final = sha384_final,
.copy = NULL,
.cleanup = NULL,
.block_size = SHA512_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX),
};
const EVP_MD *
EVP_sha384(void)
{
return &sha384_md;
}
static int
sha512_init(EVP_MD_CTX *ctx)
{
return SHA512_Init(ctx->md_data);
}
static int
sha512_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return SHA512_Update(ctx->md_data, data, count);
}
static int
sha512_final(EVP_MD_CTX *ctx, unsigned char *md)
{
return SHA512_Final(md, ctx->md_data);
}
static const EVP_MD sha512_md = {
.type = NID_sha512,
.pkey_type = NID_sha512WithRSAEncryption,
.md_size = SHA512_DIGEST_LENGTH,
.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
.init = sha512_init,
.update = sha512_update,
.final = sha512_final,
.copy = NULL,
.cleanup = NULL,
.block_size = SHA512_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX),
};
const EVP_MD *
EVP_sha512(void)
{
return &sha512_md;
}
static int
sha512_224_init(EVP_MD_CTX *ctx)
{
return SHA512_224_Init(ctx->md_data);
}
static int
sha512_224_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return SHA512_224_Update(ctx->md_data, data, count);
}
static int
sha512_224_final(EVP_MD_CTX *ctx, unsigned char *md)
{
return SHA512_224_Final(md, ctx->md_data);
}
static const EVP_MD sha512_224_md = {
.type = NID_sha512_224,
.pkey_type = NID_sha512_224WithRSAEncryption,
.md_size = SHA512_224_DIGEST_LENGTH,
.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
.init = sha512_224_init,
.update = sha512_224_update,
.final = sha512_224_final,
.copy = NULL,
.cleanup = NULL,
.block_size = SHA512_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX),
};
const EVP_MD *
EVP_sha512_224(void)
{
return &sha512_224_md;
}
static int
sha512_256_init(EVP_MD_CTX *ctx)
{
return SHA512_256_Init(ctx->md_data);
}
static int
sha512_256_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return SHA512_256_Update(ctx->md_data, data, count);
}
static int
sha512_256_final(EVP_MD_CTX *ctx, unsigned char *md)
{
return SHA512_256_Final(md, ctx->md_data);
}
static const EVP_MD sha512_256_md = {
.type = NID_sha512_256,
.pkey_type = NID_sha512_256WithRSAEncryption,
.md_size = SHA512_256_DIGEST_LENGTH,
.flags = EVP_MD_FLAG_DIGALGID_ABSENT,
.init = sha512_256_init,
.update = sha512_256_update,
.final = sha512_256_final,
.copy = NULL,
.cleanup = NULL,
.block_size = SHA512_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX),
};
const EVP_MD *
EVP_sha512_256(void)
{
return &sha512_256_md;
}
#endif /* ifndef OPENSSL_NO_SHA512 */