sha1.cpp File Reference

#include "sha1.h"
#include <sstream>
#include <iomanip>
#include <fstream>

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Macros
#define	SHA1_ROL(value, bits)   (((value) << (bits)) | (((value) & 0xffffffff) >> (32 - (bits))))
#define	SHA1_BLK(i)   (block[i&15] = SHA1_ROL(block[(i+13)&15] ^ block[(i+8)&15] ^ block[(i+2)&15] ^ block[i&15],1))
#define	SHA1_R0(v, w, x, y, z, i)   z += ((w&(x^y))^y) + block[i] + 0x5a827999 + SHA1_ROL(v,5); w=SHA1_ROL(w,30);
#define	SHA1_R1(v, w, x, y, z, i)   z += ((w&(x^y))^y) + SHA1_BLK(i) + 0x5a827999 + SHA1_ROL(v,5); w=SHA1_ROL(w,30);
#define	SHA1_R2(v, w, x, y, z, i)   z += (w^x^y) + SHA1_BLK(i) + 0x6ed9eba1 + SHA1_ROL(v,5); w=SHA1_ROL(w,30);
#define	SHA1_R3(v, w, x, y, z, i)   z += (((w|x)&y)|(w&x)) + SHA1_BLK(i) + 0x8f1bbcdc + SHA1_ROL(v,5); w=SHA1_ROL(w,30);
#define	SHA1_R4(v, w, x, y, z, i)   z += (w^x^y) + SHA1_BLK(i) + 0xca62c1d6 + SHA1_ROL(v,5); w=SHA1_ROL(w,30);

Functions
std::string	sha1 (const std::string &string)

Macro Definition Documentation

#define SHA1_BLK

(

i

)

(block[i&15] = SHA1_ROL(block[(i+13)&15] ^ block[(i+8)&15] ^ block[(i+2)&15] ^ block[i&15],1))

Definition at line 27 of file sha1.cpp.

#define SHA1_R0	(		v,
			w,
			x,
			y,
			z,
			i
	)		z += ((w&(x^y))^y) + block[i] + 0x5a827999 + SHA1_ROL(v,5); w=SHA1_ROL(w,30);

Definition at line 30 of file sha1.cpp.

#define SHA1_R1	(		v,
			w,
			x,
			y,
			z,
			i
	)		z += ((w&(x^y))^y) + SHA1_BLK(i) + 0x5a827999 + SHA1_ROL(v,5); w=SHA1_ROL(w,30);

Definition at line 31 of file sha1.cpp.

#define SHA1_R2	(		v,
			w,
			x,
			y,
			z,
			i
	)		z += (w^x^y) + SHA1_BLK(i) + 0x6ed9eba1 + SHA1_ROL(v,5); w=SHA1_ROL(w,30);

Definition at line 32 of file sha1.cpp.

#define SHA1_R3	(		v,
			w,
			x,
			y,
			z,
			i
	)		z += (((w|x)&y)|(w&x)) + SHA1_BLK(i) + 0x8f1bbcdc + SHA1_ROL(v,5); w=SHA1_ROL(w,30);

Definition at line 33 of file sha1.cpp.

#define SHA1_R4	(		v,
			w,
			x,
			y,
			z,
			i
	)		z += (w^x^y) + SHA1_BLK(i) + 0xca62c1d6 + SHA1_ROL(v,5); w=SHA1_ROL(w,30);

Definition at line 34 of file sha1.cpp.

#define SHA1_ROL	(		value,
			bits
	)		(((value) << (bits)) | (((value) & 0xffffffff) >> (32 - (bits))))

Definition at line 26 of file sha1.cpp.

Function Documentation

std::string sha1

(

const std::string &

string

)

Definition at line 270 of file sha1.cpp.

{
    SHA1 checksum;
    checksum.update(string);
    return checksum.final();
}

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