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/* crypto/evp/m_sha1.c */
/* 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>
#define SHA_1
#include "evp.h"
#define SHA_LONG unsigned long
#define SHA_LBLOCK 16
#define SHA_CBLOCK (SHA_LBLOCK*4) /* SHA treats input data as a
* contiguous array of 32 bit
* wide big-endian values. */
#define SHA_LAST_BLOCK (SHA_CBLOCK-8)
#define SHA_DIGEST_LENGTH 20
#define NID_rsaEncryption 6
#define NID_rsa 19
#define NID_sha1 64
#define NID_sha1WithRSAEncryption 65
typedef struct SHAstate_st
{
SHA_LONG h0,h1,h2,h3,h4;
SHA_LONG Nl,Nh;
SHA_LONG data[SHA_LBLOCK];
unsigned int num;
} SHA_CTX;
#include "sha_locl.h"
/* The following 2 functions sign and verify a X509_SIG ASN1 object
* inside PKCS#1 padded RSA encryption */
int RSA_sign(int type, const unsigned char *m, unsigned int m_length,
unsigned char *sigret, unsigned int *siglen, void *rsa);
int RSA_verify(int type, const unsigned char *m, unsigned int m_length,
unsigned char *sigbuf, unsigned int siglen, void *rsa);
#define EVP_PKEY_RSA_method (evp_sign_method *)RSA_sign, \
(evp_verify_method *)RSA_verify, \
{EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
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 =
{
NID_sha1,
NID_sha1WithRSAEncryption,
SHA_DIGEST_LENGTH,
0,
init,
update,
final,
NULL,
NULL,
EVP_PKEY_RSA_method,
SHA_CBLOCK,
sizeof(EVP_MD *)+sizeof(SHA_CTX),
};
const EVP_MD *EVP_sha1(void)
{
return(&sha1_md);
}
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