sha512c.c File Reference

This source file contains the implemention of the SHA512 hash algorithm and variants. More...

#include <sys/cdefs.h>
#include <sys/endian.h>
#include <sys/types.h>
#include <string.h>
#include "sha512.h"
#include "sha512t.h"
#include "sha384.h"

Macros
#define	be64enc_vect(dst, src, len)    memcpy((void *)dst, (const void *)src, (size_t)len)
#define	be64dec_vect(dst, src, len)    memcpy((void *)dst, (const void *)src, (size_t)len)
#define	Ch(x, y, z)   ((x & (y ^ z)) ^ z)
#define	Maj(x, y, z)   ((x & (y | z)) | (y & z))
#define	SHR(x, n)   (x >> n)
#define	ROTR(x, n)   ((x >> n) | (x << (64 - n)))
#define	S0(x)   (ROTR(x, 28) ^ ROTR(x, 34) ^ ROTR(x, 39))
#define	S1(x)   (ROTR(x, 14) ^ ROTR(x, 18) ^ ROTR(x, 41))
#define	s0(x)   (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7))
#define	s1(x)   (ROTR(x, 19) ^ ROTR(x, 61) ^ SHR(x, 6))
#define	RND(a, b, c, d, e, f, g, h, k)
#define	RNDr(S, W, i, ii)
#define	MSCH(W, ii, i)    W[i + ii + 16] = s1(W[i + ii + 14]) + W[i + ii + 9] + s0(W[i + ii + 1]) + W[i + ii]

Functions
	__FBSDID ("$FreeBSD$")
void	SHA512_Init (SHA512_CTX *ctx)
void	SHA512_Update (SHA512_CTX *ctx, const void *in, size_t len)
void	SHA512_Final (unsigned char digest[static SHA512_DIGEST_LENGTH], SHA512_CTX *ctx)
void	SHA512_224_Init (SHA512_CTX *ctx)
void	SHA512_224_Update (SHA512_CTX *ctx, const void *in, size_t len)
void	SHA512_224_Final (unsigned char digest[static SHA512_224_DIGEST_LENGTH], SHA512_CTX *ctx)
void	SHA512_256_Init (SHA512_CTX *ctx)
void	SHA512_256_Update (SHA512_CTX *ctx, const void *in, size_t len)
void	SHA512_256_Final (unsigned char digest[static SHA512_256_DIGEST_LENGTH], SHA512_CTX *ctx)
void	SHA384_Init (SHA384_CTX *ctx)
void	SHA384_Update (SHA384_CTX *ctx, const void *in, size_t len)
void	SHA384_Final (unsigned char digest[static SHA384_DIGEST_LENGTH], SHA384_CTX *ctx)

Detailed Description

This source file contains the implemention of the SHA512 hash algorithm and variants.

Macro Definition Documentation

RND

#define RND	(		a,
			b,
			c,
			d,
			e,
			f,
			g,
			h,
			k
	)

Value:

    h += S1(e) + Ch(e, f, g) + k;           \
    d += h;                     \
    h += S0(a) + Maj(a, b, c);

RNDr

#define RNDr	(		S,
			W,
			i,
			ii
	)

Value:

    RND(S[(80 - i) % 8], S[(81 - i) % 8],   \
        S[(82 - i) % 8], S[(83 - i) % 8],   \
        S[(84 - i) % 8], S[(85 - i) % 8],   \
        S[(86 - i) % 8], S[(87 - i) % 8],   \
        W[i + ii] + K[i + ii])