tiger.cpp File Reference

#include "pch.h"
#include "config.h"
#include "tiger.h"
#include "misc.h"
#include "cpu.h"

Include dependency graph for tiger.cpp:

Go to the source code of this file.

Macros
#define	t1   (table)
#define	t2   (table+256)
#define	t3   (table+256*2)
#define	t4   (table+256*3)
#define	round(a, b, c, x, mul)
#define	pass(a, b, c, mul, X)
#define	key_schedule(Y, X)

Macro Definition Documentation

#define key_schedule	(		Y,
			X
	)

Value:

Y[0] = X[0] - (X[7]^W64LIT(0xA5A5A5A5A5A5A5A5)); \
        Y[1] = X[1] ^ Y[0]; \
        Y[2] = X[2] + Y[1]; \
        Y[3] = X[3] - (Y[2] ^ ((~Y[1])<<19)); \
        Y[4] = X[4] ^ Y[3]; \
        Y[5] = X[5] + Y[4]; \
        Y[6] = X[6] - (Y[5] ^ ((~Y[4])>>23)); \
        Y[7] = X[7] ^ Y[6]; \
        Y[0] += Y[7]; \
        Y[1] -= Y[0] ^ ((~Y[7])<<19); \
        Y[2] ^= Y[1]; \
        Y[3] += Y[2]; \
        Y[4] -= Y[3] ^ ((~Y[2])>>23); \
        Y[5] ^= Y[4]; \
        Y[6] += Y[5]; \
        Y[7] -= Y[6] ^ W64LIT(0x0123456789ABCDEF)

#define pass	(		a,
			b,
			c,
			mul,
			X
	)

Value:

{\
        int i=0;\
        while (true)\
        {\
		round(a,b,c,X[i+0],mul); \
		round(b,c,a,X[i+1],mul); \
		if (i==6)\
                        break;\
		round(c,a,b,X[i+2],mul); \
                i+=3;\
        }}

#define round	(		a,
			b,
			c,
			x,
			mul
	)

Value:

c ^= x; \
	a -= t1[GETBYTE(c,0)] ^ t2[GETBYTE(c,2)] ^ t3[GETBYTE(c,4)] ^ t4[GETBYTE(c,6)]; \
	b += t4[GETBYTE(c,1)] ^ t3[GETBYTE(c,3)] ^ t2[GETBYTE(c,5)] ^ t1[GETBYTE(c,7)]; \
	b *= mul

#define t1   (table)

#define t2   (table+256)

#define t3   (table+256*2)

#define t4   (table+256*3)