sosemanuk.cpp File Reference

#include "pch.h"
#include "config.h"
#include "sosemanuk.h"
#include "serpentp.h"
#include "secblock.h"
#include "misc.h"
#include "cpu.h"

Include dependency graph for sosemanuk.cpp:

Go to the source code of this file.

Macros
#define	XMUX(c, x, y)   (x ^ (y & (0 - (c & 1))))
#define	MUL_A(x)   (((x) << 8) ^ s_sosemanukMulTables[(x) >> 24])
#define	DIV_A(x)   (((x) >> 8) ^ s_sosemanukMulTables[256 + byte(x)])
#define	r1(i)   ((i%2) ? reg2 : reg1)
#define	r2(i)   ((i%2) ? reg1 : reg2)
#define	STEP(x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, v, u)
#define	SOSEMANUK_OUTPUT(x)
#define	OUTPUT4

Variables
word32	s_sosemanukMulTables [512]

Macro Definition Documentation

#define DIV_A

(

x

)

(((x) >> 8) ^ s_sosemanukMulTables[256 + byte(x)])

#define MUL_A

(

x

)

(((x) << 8) ^ s_sosemanukMulTables[(x) >> 24])

#define OUTPUT4

Value:

S2(0, u0, u1, u2, u3, u4);\
	CRYPTOPP_KEYSTREAM_OUTPUT_SWITCH(SOSEMANUK_OUTPUT, 4*4);

#define r1

(

i

)

((i%2) ? reg2 : reg1)

#define r2

(

i

)

((i%2) ? reg1 : reg2)

#define SOSEMANUK_OUTPUT

(

x

)

Value:

CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 0, u2 ^ v0);\
	CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 1, u3 ^ v1);\
	CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 2, u1 ^ v2);\
	CRYPTOPP_KEYSTREAM_OUTPUT_WORD(x, LITTLE_ENDIAN_ORDER, 3, u4 ^ v3);

#define STEP	(		x0,
			x1,
			x2,
			x3,
			x4,
			x5,
			x6,
			x7,
			x8,
			x9,
			v,
			u
	)

Value:

u = (s##x9 + r2(x0)) ^ r1(x0);\
                v = s##x0;\
                s##x0 = MUL_A(s##x0) ^ DIV_A(s##x3) ^ s##x9;\
		r1(x0) += XMUX(r2(x0), s##x2, s##x9);\
		r2(x0) = rotlFixed(r2(x0) * 0x54655307, 7);\

#define XMUX	(		c,
			x,
			y
	)		(x ^ (y & (0 - (c & 1))))

Variable Documentation

word32 s_sosemanukMulTables[512]

Definition at line 92 of file sosemanuk.cpp.