sha1.C File Reference

#include <stdio.h>
#include <string.h>
#include "common/h/Types.h"
#include "common/h/sha1.h"

Go to the source code of this file.

Data Structures
struct	SHA1_CTX
Defines
#define	rol(value, bits)   (((value) << (bits)) | ((value) >> (32 - (bits))))
#define	blk0(i)
#define	blk(i)
#define	R0(v, w, x, y, z, i)   z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define	R1(v, w, x, y, z, i)   z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
#define	R2(v, w, x, y, z, i)   z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
#define	R3(v, w, x, y, z, i)   z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
#define	R4(v, w, x, y, z, i)   z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
Functions
void	SHA1Transform (uint32_t state[5], unsigned char buffer[64])
void	SHA1Init (SHA1_CTX *context)
void	SHA1Update (SHA1_CTX *context, unsigned char *data, uint32_t len)
void	SHA1Final (unsigned char digest[20], SHA1_CTX *context)
char *	sha1_file (const char *filename, char *result_ptr)

---

Define Documentation

#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 132 of file sha1.C.

#define blk0

(

i

)

Value:

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

Definition at line 129 of file sha1.C.

#define R0	(	v,
		w,
		x,
		y,
		z,
		i		)	z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);

Definition at line 136 of file sha1.C.

Referenced by SHA1Transform().

#define R1	(	v,
		w,
		x,
		y,
		z,
		i		)	z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);

Definition at line 137 of file sha1.C.

Referenced by SHA1Transform().

#define R2	(	v,
		w,
		x,
		y,
		z,
		i		)	z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);

Definition at line 138 of file sha1.C.

Referenced by SHA1Transform().

#define R3	(	v,
		w,
		x,
		y,
		z,
		i		)	z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);

Definition at line 139 of file sha1.C.

Referenced by SHA1Transform().

#define R4	(	v,
		w,
		x,
		y,
		z,
		i		)	z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);

Definition at line 140 of file sha1.C.

Referenced by SHA1Transform().

#define rol	(	value,
		bits		)	(((value) << (bits)) | ((value) >> (32 - (bits))))

Definition at line 122 of file sha1.C.

---

Function Documentation

char* sha1_file	(	const char *	filename,
		char *	result_ptr
	)

Definition at line 286 of file sha1.C.

References SHA1_DIGEST_LEN, SHA1_STRING_LEN, SHA1Final(), SHA1Init(), and SHA1Update().

Referenced by Dyninst::SerDesBin::writeHeaderPreamble().

void SHA1Final	(	unsigned char	digest[20],
		SHA1_CTX *	context
	)

Definition at line 255 of file sha1.C.

References SHA1_CTX::buffer, SHA1_CTX::count, SHA1Transform(), SHA1Update(), and SHA1_CTX::state.

Referenced by sha1_file().

void SHA1Init

(

SHA1_CTX *

context

)

Definition at line 213 of file sha1.C.

References SHA1_CTX::count, and SHA1_CTX::state.

Referenced by sha1_file().

void SHA1Transform	(	uint32_t	state[5],
		unsigned char	buffer[64]
	)

Definition at line 158 of file sha1.C.

References R0, R1, R2, R3, and R4.

Referenced by SHA1Final(), and SHA1Update().

void SHA1Update	(	SHA1_CTX *	context,
		unsigned char *	data,
		uint32_t	len
	)

Definition at line 227 of file sha1.C.

References SHA1_CTX::buffer, SHA1_CTX::count, SHA1Transform(), and SHA1_CTX::state.

Referenced by sha1_file(), and SHA1Final().