sha2.c File Reference

#include "config.h"
#include <string.h>
#include <assert.h>
#include "sha2.h"

Go to the source code of this file.

Defines
#define	SHA256_SHORT_BLOCK_LENGTH   (SHA256_BLOCK_LENGTH - 8)
#define	SHA384_SHORT_BLOCK_LENGTH   (SHA384_BLOCK_LENGTH - 16)
#define	SHA512_SHORT_BLOCK_LENGTH   (SHA512_BLOCK_LENGTH - 16)
#define	SHA2_WORD64_CONST(dw1, dw2)   (((sha2_word64)(dw1) << 32) | (dw2))
#define	REVERSE32(w, x)
#define	REVERSE64(w, x)
#define	ADDINC128(w, n)
#define	SHA2_USE_MEMSET_MEMCPY   1
#define	MEMSET_BZERO(p, l)   memset((p), 0, (l))
#define	MEMCPY_BCOPY(d, s, l)   memcpy((d), (s), (l))
#define	R(b, x)   ((x) >> (b))
#define	S32(b, x)   (((x) >> (b)) | ((x) << (32 - (b))))
#define	S64(b, x)   (((x) >> (b)) | ((x) << (64 - (b))))
#define	Ch(x, y, z)   (((x) & (y)) ^ ((~(x)) & (z)))
#define	Maj(x, y, z)   (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
#define	Sigma0_256(x)   (S32(2, (x)) ^ S32(13, (x)) ^ S32(22, (x)))
#define	Sigma1_256(x)   (S32(6, (x)) ^ S32(11, (x)) ^ S32(25, (x)))
#define	sigma0_256(x)   (S32(7, (x)) ^ S32(18, (x)) ^ R(3 , (x)))
#define	sigma1_256(x)   (S32(17, (x)) ^ S32(19, (x)) ^ R(10, (x)))
#define	Sigma0_512(x)   (S64(28, (x)) ^ S64(34, (x)) ^ S64(39, (x)))
#define	Sigma1_512(x)   (S64(14, (x)) ^ S64(18, (x)) ^ S64(41, (x)))
#define	sigma0_512(x)   (S64( 1, (x)) ^ S64( 8, (x)) ^ R( 7, (x)))
#define	sigma1_512(x)   (S64(19, (x)) ^ S64(61, (x)) ^ R( 6, (x)))
Functions
void	SHA512_Last (SHA512_CTX *)
void	SHA256_Transform (SHA256_CTX *, const sha2_word32 *)
void	SHA512_Transform (SHA512_CTX *, const sha2_word64 *)
void	SHA256_Init (SHA256_CTX *context)
void	SHA256_Update (SHA256_CTX *context, const sha2_byte *data, size_t len)
void	SHA256_Final (sha2_byte digest[], SHA256_CTX *context)
char *	SHA256_End (SHA256_CTX *context, char buffer[])
char *	SHA256_Data (const sha2_byte *data, size_t len, char digest[SHA256_DIGEST_STRING_LENGTH])
void	SHA512_Init (SHA512_CTX *context)
void	SHA512_Update (SHA512_CTX *context, const sha2_byte *data, size_t len)
void	SHA512_Final (sha2_byte digest[], SHA512_CTX *context)
char *	SHA512_End (SHA512_CTX *context, char buffer[])
char *	SHA512_Data (const sha2_byte *data, size_t len, char digest[SHA512_DIGEST_STRING_LENGTH])
void	SHA384_Init (SHA384_CTX *context)
void	SHA384_Update (SHA384_CTX *context, const sha2_byte *data, size_t len)
void	SHA384_Final (sha2_byte digest[], SHA384_CTX *context)
char *	SHA384_End (SHA384_CTX *context, char buffer[])
char *	SHA384_Data (const sha2_byte *data, size_t len, char digest[SHA384_DIGEST_STRING_LENGTH])
Variables
static const sha2_word32	K256 [64]
static const sha2_word32	sha256_initial_hash_value [8]
static const sha2_word64	K512 [80]
static const sha2_word64	sha384_initial_hash_value [8]
static const sha2_word64	sha512_initial_hash_value [8]
static const char	sha2_hex_digits [] = "0123456789abcdef"