cHashSHA1.cpp File Reference

#include "pch.h"
#include "Hash/cHashSHA1.h"

Namespaces
	GrayLib

Macros
#define	P(a, b, c, d, e, x)
#define	R(t)
#define	F(x, y, z)   (z ^ (x & (y ^ z)))
#define	K   0x5A827999
#define	F(x, y, z)   (x ^ y ^ z)
#define	K   0x6ED9EBA1
#define	F(x, y, z)   ((x & y) | (z & (x | y)))
#define	K   0x8F1BBCDC
#define	F(x, y, z)   (x ^ y ^ z)
#define	K   0xCA62C1D6

Detailed Description

FIPS-180-1 compliant SHA-1 implementation The SHA-1 standard was published by NIST in 1993. http://www.itl.nist.gov/fipspubs/fip180-1.htm

Copyright

1992 - 2020 Dennis Robinson (http://www.menasoft.com)

Macro Definition Documentation

F [1/4]

#define F	(		x,
			y,
			z
	)		(z ^ (x & (y ^ z)))

F [2/4]

#define F	(		x,
			y,
			z
	)		(x ^ y ^ z)

F [3/4]

#define F	(		x,
			y,
			z
	)		((x & y) | (z & (x | y)))

F [4/4]

#define F	(		x,
			y,
			z
	)		(x ^ y ^ z)

K [1/4]

#define K   0x5A827999

K [2/4]

#define K   0x6ED9EBA1

K [3/4]

#define K   0x8F1BBCDC

K [4/4]

#define K   0xCA62C1D6

P

#define P	(		a,
			b,
			c,
			d,
			e,
			x
	)

Value:

        {                                                   \
        e += cBits::Rotl<UINT32>(a,5) + F(b,c,d) + K + x; b = cBits::Rotl<UINT32>(b,30);        \
        }

R

#define R

(

t

)

Value:

        (                            \
        temp = w[( t -  3 ) & 0x0F] ^ w[( t - 8 ) & 0x0F] ^ w[( t - 14 ) & 0x0F] ^ w[ t & 0x0F],  \
        ( w[t & 0x0F] = cBits::Rotl<UINT32>(temp,1) )  \
        )