openssl/crypto/sha/sha.h
Richard Levitte f7fc4ca1dd Making some values explicitely unsigned was derived from ongoing work
that isn't yet committed.  It wasn't meant to be committed already, so
I'm removing it for now.
2004-06-15 12:52:26 +00:00

194 lines
7 KiB
C

/* crypto/sha/sha.h */
/* 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.]
*/
#ifndef HEADER_SHA_H
#define HEADER_SHA_H
#include <openssl/e_os2.h>
#ifdef __cplusplus
extern "C" {
#endif
#if defined(OPENSSL_NO_SHA) || (defined(OPENSSL_NO_SHA0) && defined(OPENSSL_NO_SHA1))
#error SHA is disabled.
#endif
#if defined(OPENSSL_FIPS)
#define FIPS_SHA_SIZE_T size_t
#endif
/*
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
* ! SHA_LONG has to be at least 32 bits wide. If it's wider, then !
* ! SHA_LONG_LOG2 has to be defined along. !
* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
*/
#if defined(OPENSSL_SYS_WIN16) || defined(__LP32__)
#define SHA_LONG unsigned long
#elif defined(OPENSSL_SYS_CRAY) || defined(__ILP64__)
#define SHA_LONG unsigned long
#define SHA_LONG_LOG2 3
#else
#define SHA_LONG unsigned int
#endif
#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
typedef struct SHAstate_st
{
SHA_LONG h0,h1,h2,h3,h4;
SHA_LONG Nl,Nh;
SHA_LONG data[SHA_LBLOCK];
int num;
} SHA_CTX;
#ifndef OPENSSL_NO_SHA0
int SHA_Init(SHA_CTX *c);
int SHA_Update(SHA_CTX *c, const void *data, size_t len);
int SHA_Final(unsigned char *md, SHA_CTX *c);
unsigned char *SHA(const unsigned char *d, size_t n, unsigned char *md);
void SHA_Transform(SHA_CTX *c, const unsigned char *data);
#endif
#ifndef OPENSSL_NO_SHA1
int SHA1_Init(SHA_CTX *c);
int SHA1_Update(SHA_CTX *c, const void *data, size_t len);
int SHA1_Final(unsigned char *md, SHA_CTX *c);
unsigned char *SHA1(const unsigned char *d, size_t n, unsigned char *md);
void SHA1_Transform(SHA_CTX *c, const unsigned char *data);
#endif
#define SHA256_CBLOCK (SHA_LBLOCK*4) /* SHA-256 treats input data as a
* contiguous array of 32 bit
* wide big-endian values. */
#define SHA224_DIGEST_LENGTH 28
#define SHA256_DIGEST_LENGTH 32
typedef struct SHA256state_st
{
SHA_LONG h[8];
SHA_LONG Nl,Nh;
SHA_LONG data[SHA_LBLOCK];
unsigned int num,md_len;
} SHA256_CTX;
#ifndef OPENSSL_NO_SHA256
int SHA224_Init(SHA256_CTX *c);
int SHA224_Update(SHA256_CTX *c, const void *data, size_t len);
int SHA224_Final(unsigned char *md, SHA256_CTX *c);
unsigned char *SHA224(const unsigned char *d, size_t n,unsigned char *md);
int SHA256_Init(SHA256_CTX *c);
int SHA256_Update(SHA256_CTX *c, const void *data, size_t len);
int SHA256_Final(unsigned char *md, SHA256_CTX *c);
unsigned char *SHA256(const unsigned char *d, size_t n,unsigned char *md);
void SHA256_Transform(SHA256_CTX *c, const unsigned char *data);
#endif
#define SHA384_DIGEST_LENGTH 48
#define SHA512_DIGEST_LENGTH 64
/*
* Unlike 32-bit digest algorithms, SHA-512 *relies* on SHA_LONG64
* being exactly 64-bit wide. See Implementation Notes in sha512.c
* for further details.
*/
#define SHA512_CBLOCK (SHA_LBLOCK*8) /* SHA-512 treats input data as a
* contiguous array of 64 bit
* wide big-endian values. */
#if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
#define SHA_LONG64 unsigned __int64
#define U64(C) C##UI64
#else
#define SHA_LONG64 unsigned long long
#define U64(C) C##ULL
#endif
typedef struct SHA512state_st
{
SHA_LONG64 h[8];
SHA_LONG64 Nl,Nh;
union {
SHA_LONG64 d[SHA_LBLOCK];
unsigned char p[SHA512_CBLOCK];
} u;
unsigned int num,md_len;
} SHA512_CTX;
#ifndef OPENSSL_NO_SHA512
int SHA384_Init(SHA512_CTX *c);
int SHA384_Update(SHA512_CTX *c, const void *data, size_t len);
int SHA384_Final(unsigned char *md, SHA512_CTX *c);
unsigned char *SHA384(const unsigned char *d, size_t n,unsigned char *md);
int SHA512_Init(SHA512_CTX *c);
int SHA512_Update(SHA512_CTX *c, const void *data, size_t len);
int SHA512_Final(unsigned char *md, SHA512_CTX *c);
unsigned char *SHA512(const unsigned char *d, size_t n,unsigned char *md);
void SHA512_Transform(SHA512_CTX *c, const unsigned char *data);
#endif
#ifdef __cplusplus
}
#endif
#endif