pineapple/externals/libressl/crypto/evp/m_sha1.c

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2020-12-28 16:15:37 +01:00
/* $OpenBSD: m_sha1.c,v 1.17 2014/07/11 08:44:48 jsing 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
static int
init(EVP_MD_CTX *ctx)
{
return SHA1_Init(ctx->md_data);
}
static int
update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return SHA1_Update(ctx->md_data, data, count);
}
static int
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_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
.init = init,
.update = update,
.final = final,
.copy = NULL,
.cleanup = NULL,
#ifndef OPENSSL_NO_RSA
.sign = (evp_sign_method *)RSA_sign,
.verify = (evp_verify_method *)RSA_verify,
.required_pkey_type = {
EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
},
#endif
.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
init224(EVP_MD_CTX *ctx)
{
return SHA224_Init(ctx->md_data);
}
static int
init256(EVP_MD_CTX *ctx)
{
return SHA256_Init(ctx->md_data);
}
/*
* 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:-)
*/
static int
update256(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return SHA256_Update(ctx->md_data, data, count);
}
static int
final256(EVP_MD_CTX *ctx, unsigned char *md)
{
return SHA256_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_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
.init = init224,
.update = update256,
.final = final256,
.copy = NULL,
.cleanup = NULL,
#ifndef OPENSSL_NO_RSA
.sign = (evp_sign_method *)RSA_sign,
.verify = (evp_verify_method *)RSA_verify,
.required_pkey_type = {
EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
},
#endif
.block_size = SHA256_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SHA256_CTX),
};
const EVP_MD *
EVP_sha224(void)
{
return (&sha224_md);
}
static const EVP_MD sha256_md = {
.type = NID_sha256,
.pkey_type = NID_sha256WithRSAEncryption,
.md_size = SHA256_DIGEST_LENGTH,
.flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
.init = init256,
.update = update256,
.final = final256,
.copy = NULL,
.cleanup = NULL,
#ifndef OPENSSL_NO_RSA
.sign = (evp_sign_method *)RSA_sign,
.verify = (evp_verify_method *)RSA_verify,
.required_pkey_type = {
EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
},
#endif
.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
init384(EVP_MD_CTX *ctx)
{
return SHA384_Init(ctx->md_data);
}
static int
init512(EVP_MD_CTX *ctx)
{
return SHA512_Init(ctx->md_data);
}
/* See comment in SHA224/256 section */
static int
update512(EVP_MD_CTX *ctx, const void *data, size_t count)
{
return SHA512_Update(ctx->md_data, data, count);
}
static int
final512(EVP_MD_CTX *ctx, unsigned char *md)
{
return SHA512_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_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
.init = init384,
.update = update512,
.final = final512,
.copy = NULL,
.cleanup = NULL,
#ifndef OPENSSL_NO_RSA
.sign = (evp_sign_method *)RSA_sign,
.verify = (evp_verify_method *)RSA_verify,
.required_pkey_type = {
EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
},
#endif
.block_size = SHA512_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX),
};
const EVP_MD *
EVP_sha384(void)
{
return (&sha384_md);
}
static const EVP_MD sha512_md = {
.type = NID_sha512,
.pkey_type = NID_sha512WithRSAEncryption,
.md_size = SHA512_DIGEST_LENGTH,
.flags = EVP_MD_FLAG_PKEY_METHOD_SIGNATURE|EVP_MD_FLAG_DIGALGID_ABSENT,
.init = init512,
.update = update512,
.final = final512,
.copy = NULL,
.cleanup = NULL,
#ifndef OPENSSL_NO_RSA
.sign = (evp_sign_method *)RSA_sign,
.verify = (evp_verify_method *)RSA_verify,
.required_pkey_type = {
EVP_PKEY_RSA, EVP_PKEY_RSA2, 0, 0,
},
#endif
.block_size = SHA512_CBLOCK,
.ctx_size = sizeof(EVP_MD *) + sizeof(SHA512_CTX),
};
const EVP_MD *
EVP_sha512(void)
{
return (&sha512_md);
}
#endif /* ifndef OPENSSL_NO_SHA512 */