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* Add SHA-256.

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* Tests for the various hashes.
This commit is contained in:
Eelco Dolstra 2005-01-14 12:03:04 +00:00
parent 37b51a9aa6
commit 63791eb05b
9 changed files with 912 additions and 8 deletions
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35
src/libutil/sha256.h Normal file
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#ifndef _SHA256_H
#define _SHA256_H 1
#include <stdint.h>
#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 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
{
uint32_t h[8];
uint32_t Nl,Nh;
uint32_t data[SHA_LBLOCK];
unsigned int num,md_len;
} SHA256_CTX;
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