freebsd-skq/sys/crypto/sha2/sha224.h
cem 2fa2b730c3 Implement SHA2-224 submode of SHA2-256
Like SHA2-384:SHA2-512, SHA2-224 is simply a truncated SHA2-256 with a
different initial vector.  Add to round out the complete basic SHA2 family.
2018-07-09 07:24:05 +00:00

97 lines
2.9 KiB
C

/*-
* Copyright 2005 Colin Percival
* All rights reserved.
*
* 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 above 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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.
*
* $FreeBSD$
*/
#ifndef _SHA224_H_
#define _SHA224_H_
#ifndef _KERNEL
#include <sys/types.h>
#endif
#define SHA224_BLOCK_LENGTH 64
#define SHA224_DIGEST_LENGTH 28
#define SHA224_DIGEST_STRING_LENGTH (SHA224_DIGEST_LENGTH * 2 + 1)
typedef struct SHA224Context {
uint32_t state[8];
uint64_t count;
uint8_t buf[SHA224_BLOCK_LENGTH];
} SHA224_CTX;
__BEGIN_DECLS
/* Ensure libmd symbols do not clash with libcrypto */
#ifndef SHA224_Init
#define SHA224_Init _libmd_SHA224_Init
#endif
#ifndef SHA224_Update
#define SHA224_Update _libmd_SHA224_Update
#endif
#ifndef SHA224_Final
#define SHA224_Final _libmd_SHA224_Final
#endif
#ifndef SHA224_End
#define SHA224_End _libmd_SHA224_End
#endif
#ifndef SHA224_Fd
#define SHA224_Fd _libmd_SHA224_Fd
#endif
#ifndef SHA224_FdChunk
#define SHA224_FdChunk _libmd_SHA224_FdChunk
#endif
#ifndef SHA224_File
#define SHA224_File _libmd_SHA224_File
#endif
#ifndef SHA224_FileChunk
#define SHA224_FileChunk _libmd_SHA224_FileChunk
#endif
#ifndef SHA224_Data
#define SHA224_Data _libmd_SHA224_Data
#endif
#ifndef SHA224_version
#define SHA224_version _libmd_SHA224_version
#endif
void SHA224_Init(SHA224_CTX *);
void SHA224_Update(SHA224_CTX *, const void *, size_t);
void SHA224_Final(unsigned char [__min_size(SHA224_DIGEST_LENGTH)],
SHA224_CTX *);
#ifndef _KERNEL
char *SHA224_End(SHA224_CTX *, char *);
char *SHA224_Data(const void *, unsigned int, char *);
char *SHA224_Fd(int, char *);
char *SHA224_FdChunk(int, char *, off_t, off_t);
char *SHA224_File(const char *, char *);
char *SHA224_FileChunk(const char *, char *, off_t, off_t);
#endif
__END_DECLS
#endif /* !_SHA224_H_ */