SHA1.h File Reference

#include "RakMemoryOverride.h"
#include <stdio.h>
#include <memory.h>
#include <string.h>
#include "Export.h"

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Classes
class	CSHA1
union	CSHA1::SHA1_WORKSPACE_BLOCK
Defines
#define	MAX_FILE_READ_BUFFER   8000
	[Internal] SHA-1 computation class
#define	SHA1_LENGTH   20
#define	ROL32(value, bits)   (((value)<<(bits))|((value)>>(32-(bits))))
#define	SHABLK0(i)   (block->l[i])
#define	SHABLK(i)
#define	R0(v, w, x, y, z, i)   { z+=((w&(x^y))^y)+SHABLK0(i)+0x5A827999+ROL32(v,5); w=ROL32(w,30); }
#define	R1(v, w, x, y, z, i)   { z+=((w&(x^y))^y)+SHABLK(i)+0x5A827999+ROL32(v,5); w=ROL32(w,30); }
#define	R2(v, w, x, y, z, i)   { z+=(w^x^y)+SHABLK(i)+0x6ED9EBA1+ROL32(v,5); w=ROL32(w,30); }
#define	R3(v, w, x, y, z, i)   { z+=(((w|x)&y)|(w&x))+SHABLK(i)+0x8F1BBCDC+ROL32(v,5); w=ROL32(w,30); }
#define	R4(v, w, x, y, z, i)   { z+=(w^x^y)+SHABLK(i)+0xCA62C1D6+ROL32(v,5); w=ROL32(w,30); }

---

Define Documentation

#define MAX_FILE_READ_BUFFER   8000

[Internal] SHA-1 computation class

100% free public domain implementation of the SHA-1 algorithm by Dominik Reichl <Dominik.Reichl@tiscali.de>

=== Test Vectors (from FIPS PUB 180-1) ===

"abc" A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D

"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1

A million repetitions of "a" 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F

Definition at line 29 of file SHA1.h.

#define R0	(		v,
			w,
			x,
			y,
			z,
			i
	)			{ z+=((w&(x^y))^y)+SHABLK0(i)+0x5A827999+ROL32(v,5); w=ROL32(w,30); }

Definition at line 51 of file SHA1.h.

#define R1	(		v,
			w,
			x,
			y,
			z,
			i
	)			{ z+=((w&(x^y))^y)+SHABLK(i)+0x5A827999+ROL32(v,5); w=ROL32(w,30); }

Definition at line 52 of file SHA1.h.

#define R2	(		v,
			w,
			x,
			y,
			z,
			i
	)			{ z+=(w^x^y)+SHABLK(i)+0x6ED9EBA1+ROL32(v,5); w=ROL32(w,30); }

Definition at line 53 of file SHA1.h.

#define R3	(		v,
			w,
			x,
			y,
			z,
			i
	)			{ z+=(((w|x)&y)|(w&x))+SHABLK(i)+0x8F1BBCDC+ROL32(v,5); w=ROL32(w,30); }

Definition at line 54 of file SHA1.h.

#define R4	(		v,
			w,
			x,
			y,
			z,
			i
	)			{ z+=(w^x^y)+SHABLK(i)+0xCA62C1D6+ROL32(v,5); w=ROL32(w,30); }

Definition at line 55 of file SHA1.h.

#define ROL32	(		value,
			bits
	)			(((value)<<(bits))|((value)>>(32-(bits))))

Definition at line 38 of file SHA1.h.

#define SHA1_LENGTH   20

Definition at line 31 of file SHA1.h.

#define SHABLK

(

i

)

Value:

(block->l[i&15] = ROL32(block->l[(i+13)&15] ^ block->l[(i+8)&15] \
        ^ block->l[(i+2)&15] ^ block->l[i&15],1))

Definition at line 47 of file SHA1.h.

#define SHABLK0

(

i

)

(block->l[i])

Definition at line 44 of file SHA1.h.