Sha256.c File Reference

#include "Precomp.h"
#include <string.h>
#include "Sha256.h"
#include "RotateDefs.h"
#include "CpuArch.h"

Macros
#define	SHA256_UPDATE_BLOCKS(p)
#define	STEP_PRE   2
#define	STEP_MAIN   4
#define	Z7_SHA256_BIG_W
#define	S0(x)
#define	S1(x)
#define	s0(x)
#define	s1(x)
#define	Ch(x, y, z)
#define	Maj(x, y, z)
#define	W_PRE(i)
#define	blk2_main(j, i)
#define	w(j, i)
#define	blk2(j, i)
#define	W_MAIN(i)
#define	T1(wx, i)
#define	R1_PRE(i)
#define	R1_MAIN(i)
#define	R2_MAIN(i)
#define	K   SHA256_K_ARRAY
#define	Sha256_UpdateBlock(p)

Functions
void Z7_FASTCALL	Sha256_UpdateBlocks (UInt32 state[8], const Byte *data, size_t numBlocks)
BoolInt	Sha256_SetFunction (CSha256 *p, unsigned algo)
void	Sha256_InitState (CSha256 *p)
void	Sha256_Init (CSha256 *p)
	MY_ALIGN (64) const
void	Sha256_Update (CSha256 *p, const Byte *data, size_t size)
void	Sha256_Final (CSha256 *p, Byte *digest)
void	Sha256Prepare (void)

Macro Definition Documentation

blk2

#define blk2	(		j,
			i )

Value:

(w(j, i) = w(j, (i)-16) + blk2_main(j, i))

blk2_main

#define blk2_main	(		j,
			i )

Value:

s1(w(j, (i)-2)) + w(j, (i)-7) + s0(w(j, (i)-15))

Ch

#define Ch	(		x,
			y,
			z )

Value:

(z^(x&(y^z)))

K

#define K   SHA256_K_ARRAY

Maj

#define Maj	(		x,
			y,
			z )

Value:

((x&y)|(z&(x|y)))

R1_MAIN

#define R1_MAIN

(

i

)

Value:

T1( W_MAIN, i)

R1_PRE

#define R1_PRE

(

i

)

Value:

T1( W_PRE, i)

R2_MAIN

#define R2_MAIN

(

i

)

Value:

    R1_MAIN(i) \
    R1_MAIN(i + 1) \

S0

#define S0

(

x

)

Value:

(rotrFixed(x, 2) ^ rotrFixed(x,13) ^ rotrFixed(x,22))

s0

#define s0

(

x

)

Value:

(rotrFixed(x, 7) ^ rotrFixed(x,18) ^ (x >> 3))

S1

#define S1

(

x

)

Value:

(rotrFixed(x, 6) ^ rotrFixed(x,11) ^ rotrFixed(x,25))

s1

#define s1

(

x

)

Value:

(rotrFixed(x,17) ^ rotrFixed(x,19) ^ (x >>10))

SHA256_UPDATE_BLOCKS

#define SHA256_UPDATE_BLOCKS

(

p

)

Value:

Sha256_UpdateBlocks

Sha256_UpdateBlock

#define Sha256_UpdateBlock

(

p

)

Value:

SHA256_UPDATE_BLOCKS(p)(p->state, p->buffer, 1)

STEP_MAIN

#define STEP_MAIN   4

STEP_PRE

#define STEP_PRE   2

T1

#define T1	(		wx,
			i )

Value:

    tmp = h + S1(e) + Ch(e,f,g) + K[(i)+(size_t)(j)] + wx(i); \
    h = g; \
    g = f; \
    f = e; \
    e = d + tmp; \
    tmp += S0(a) + Maj(a, b, c); \
    d = c; \
    c = b; \
    b = a; \
    a = tmp; \

w

#define w	(		j,
			i )

Value:

W[(size_t)(j) + i]

W_MAIN

#define W_MAIN

(

i

)

Value:

blk2(j, i)

W_PRE

#define W_PRE

(

i

)

Value:

(W[(i) + (size_t)(j)] = GetBe32(data + ((size_t)(j) + i) * 4))

Z7_SHA256_BIG_W

#define Z7_SHA256_BIG_W

Function Documentation

MY_ALIGN()

MY_ALIGN ( 64 ) const

extern

Sha256_Final()

void Sha256_Final	(	CSha256 *	p,
		Byte *	digest )

Sha256_Init()

void Sha256_Init

(

CSha256 *

p

)

Sha256_InitState()

void Sha256_InitState

(

CSha256 *

p

)

Sha256_SetFunction()

BoolInt Sha256_SetFunction	(	CSha256 *	p,
		unsigned	algo )

Sha256_Update()

void Sha256_Update	(	CSha256 *	p,
		const Byte *	data,
		size_t	size )

Sha256_UpdateBlocks()

Z7_NO_INLINE void Z7_FASTCALL Sha256_UpdateBlocks	(	UInt32	state[8],
		const Byte *	data,
		size_t	numBlocks )

Sha256Prepare()

void Sha256Prepare

(

void

)