sha384_512.cpp File Reference

Compute sha384 hash and sha512 hash. More...

#include <cstring>
#include "sha384_512.hpp"

Include dependency graph for sha384_512.cpp:

Go to the source code of this file.

Macros
#define	X(a)
	Helper function for SHA512's computing. More...
#define	ROTR(x, n)   (((x)>>(n)) | ((x)<<(64-(n))))
	Helper function for SHA512's computing. More...
#define	Ch(x, y, z)   (((x) & (y)) ^ ((~(x)) & (z)))
	Helper function for SHA512's computing. More...
#define	Maj(x, y, z)   (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
	Helper function for SHA512's computing. More...
#define	Sum0(x)   (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))
	Helper function for SHA512's computing. More...
#define	Sum1(x)   (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41))
	Helper function for SHA512's computing. More...
#define	S0(x)   (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7))
	Helper function for SHA512's computing. More...
#define	S1(x)   (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))
	Helper function for SHA512's computing. More...

Detailed Description

Compute sha384 hash and sha512 hash.

Definition in file sha384_512.cpp.

Macro Definition Documentation

Ch

#define Ch	(		x,
			y,
			z
	)		(((x) & (y)) ^ ((~(x)) & (z)))

Helper function for SHA512's computing.

Maj

#define Maj	(		x,
			y,
			z
	)		(((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))

Helper function for SHA512's computing.

ROTR

#define ROTR	(		x,
			n
	)		(((x)>>(n)) | ((x)<<(64-(n))))

Helper function for SHA512's computing.

S0

#define S0

(

x

)

(ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7))

Helper function for SHA512's computing.

S1

#define S1

(

x

)

(ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))

Helper function for SHA512's computing.

Sum0

#define Sum0

(

x

)

(ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))

Helper function for SHA512's computing.

Sum1

#define Sum1

(

x

)

(ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41))

Helper function for SHA512's computing.

X

#define X

(

a

)

Value:

                    do { *p++ = h##a >> 56; *p++ = h##a >> 48;        \
                    *p++ = h##a >> 40; *p++ = h##a >> 32;         \
                    *p++ = h##a >> 24; *p++ = h##a >> 16;         \
                    *p++ = h##a >> 8;  *p++ = h##a; } while (0)

Helper function for SHA512's computing.