sha1.c File Reference

SHA1 Definitions. More...

#include "common.h"

Go to the source code of this file.

Macros
#define	rol(value, bits)
#define	LITTLE_ENDIAN   1234
#define	BIG_ENDIAN   4321
#define	blk0(i)
#define	blk(i)
#define	R0(v, w, x, y, z, i)
#define	R1(v, w, x, y, z, i)
#define	R2(v, w, x, y, z, i)
#define	R3(v, w, x, y, z, i)
#define	R4(v, w, x, y, z, i)

Functions
void	SHA1Transform (uint32_t state[5], const uint8_t buffer[SHA1_BLOCK_LENGTH])
void	SHA1Init (SHA1_CTX *context)
void	SHA1Update (SHA1_CTX *context, const uint8_t *data, size_t len)
void	SHA1Pad (SHA1_CTX *context)
void	SHA1Final (uint8_t digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context)

Detailed Description

SHA1 Definitions.

Definition in file sha1.c.

Macro Definition Documentation

rol

#define rol	(		value,
			bits )

Value:

(((value) << (bits)) | ((value) >> (32 - (bits))))

Definition at line 22 of file sha1.c.

LITTLE_ENDIAN

#define LITTLE_ENDIAN   1234

Definition at line 26 of file sha1.c.

BIG_ENDIAN

#define BIG_ENDIAN   4321

Definition at line 27 of file sha1.c.

blk0

#define blk0

(

i

)

Value:

    (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
    |(rol(block->l[i],8)&0x00FF00FF))

Definition at line 38 of file sha1.c.

blk

#define blk

(

i

)

Value:

    (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
    ^block->l[(i+2)&15]^block->l[i&15],1))

Definition at line 43 of file sha1.c.

R0

#define R0	(		v,
			w,
			x,
			y,
			z,
			i )

Value:

z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);

Definition at line 49 of file sha1.c.

R1

#define R1	(		v,
			w,
			x,
			y,
			z,
			i )

Value:

z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);

Definition at line 50 of file sha1.c.

R2

#define R2	(		v,
			w,
			x,
			y,
			z,
			i )

Value:

z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);

Definition at line 51 of file sha1.c.

R3

#define R3	(		v,
			w,
			x,
			y,
			z,
			i )

Value:

z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);

Definition at line 52 of file sha1.c.

R4

#define R4	(		v,
			w,
			x,
			y,
			z,
			i )

Value:

z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);

Definition at line 53 of file sha1.c.