53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
#ifndef _SHA2_H
|
|
#define _SHA2_H
|
|
/*
|
|
* sha512.h
|
|
*
|
|
* Written by Jari Ruusu, April 16 2001
|
|
*
|
|
* Copyright 2001 by Jari Ruusu.
|
|
* Redistribution of this file is permitted under the GNU Public License.
|
|
*/
|
|
|
|
#ifdef __KERNEL__
|
|
#include <linux/types.h>
|
|
#else
|
|
#include <sys/types.h>
|
|
#endif
|
|
|
|
typedef struct {
|
|
unsigned char sha_out[64]; /* results are here, bytes 0...31 */
|
|
u_int32_t sha_H[8];
|
|
u_int64_t sha_blocks;
|
|
int sha_bufCnt;
|
|
} sha256_context;
|
|
|
|
typedef struct {
|
|
unsigned char sha_out[128]; /* results are here, bytes 0...63 */
|
|
u_int64_t sha_H[8];
|
|
u_int64_t sha_blocks;
|
|
u_int64_t sha_blocksMSB;
|
|
int sha_bufCnt;
|
|
} sha512_context;
|
|
|
|
/* no sha384_context, use sha512_context */
|
|
|
|
/* 256 bit hash, provides 128 bits of security against collision attacks */
|
|
extern void sha256_init(sha256_context *);
|
|
extern void sha256_write(sha256_context *, const unsigned char *, int);
|
|
extern void sha256_final(sha256_context *);
|
|
extern void sha256_hash_buffer(unsigned char *, int, unsigned char *, int);
|
|
|
|
/* 512 bit hash, provides 256 bits of security against collision attacks */
|
|
extern void sha512_init(sha512_context *);
|
|
extern void sha512_write(sha512_context *, const unsigned char *, int);
|
|
extern void sha512_final(sha512_context *);
|
|
extern void sha512_hash_buffer(unsigned char *, int, unsigned char *, int);
|
|
|
|
/* 384 bit hash, provides 192 bits of security against collision attacks */
|
|
extern void sha384_init(sha512_context *);
|
|
/* no sha384_write(), use sha512_write() */
|
|
/* no sha384_final(), use sha512_final(), result in ctx->sha_out[0...47] */
|
|
extern void sha384_hash_buffer(unsigned char *, int, unsigned char *, int);
|
|
#endif /* _SHA2_H */
|