/* serpent-sboxes-bitslice.c */
/*
This file is part of the AVR-Crypto-Lib.
- Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
+ Copyright (C) 2006-2015 Daniel Otte (bg@nerilex.org)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
/* serpent-sboxes.c
* a bitsliced implementation of the serpent sboxes
* author: Daniel Otte
- * email: daniel.otte@rub.de
+ * email: bg@nerilex.org
* license: GPLv3
*/
/* depth = 5,7,4,2, Total gates=18 */
static
-void sb0(uint8_t* out, const uint8_t* in){
+void sb0(uint8_t *out, const uint8_t *in){
// (a,b,c,d,w,x,y,z)
uint8_t t01, t02, t03, t05, t06, t07, t08, t09, t11, t12, t13, t14, t15, t17;
t01 = in[4*1] ^ in[4*2];
/* depth = 8,4,3,6, Total gates=19 */
static
-void sb0_inv(uint8_t* out, const uint8_t* in){
+void sb0_inv(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t06, t08, t09, t10, t12, t13, t14, t15, t17, t18, t01;
t01 = in[4*2] ^ in[4*3];
t02 = in[4*0] | in[4*1];
/* depth = 10,7,3,5, Total gates=18 */
static
-void sb1(uint8_t* out, const uint8_t* in){
+void sb1(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t06, t07, t08, t10, t11, t12, t13, t16, t17, t01;
t01 = in[4*0] | in[4*3];
t02 = in[4*2] ^ in[4*3];
/* InvS1: 5 8 2 14 15 6 12 3 11 4 7 9 1 13 10 0 */
/* depth = 7,4,5,3, Total gates=18 */
-static void sb1_inv(uint8_t* out, const uint8_t* in){
+static void sb1_inv(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t06, t07, t08, t09, t10, t11, t14, t15, t17, t01;
t01 = in[4*0] ^ in[4*1];
t02 = in[4*1] | in[4*3];
/* S2: 8 6 7 9 3 12 10 15 13 1 14 4 0 11 5 2 */
/* depth = 3,8,11,7, Total gates=16 */
-static void sb2(uint8_t* out, const uint8_t* in){
+static void sb2(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t05, t06, t07, t08, t09, t10, t12, t13, t14, t01;
t01 = in[4*0] | in[4*2];
t02 = in[4*0] ^ in[4*1];
/* InvS2: 12 9 15 4 11 14 1 2 0 3 6 13 5 8 10 7 */
/* depth = 3,6,8,3, Total gates=18 */
-static void sb2_inv(uint8_t* out, const uint8_t* in){
+static void sb2_inv(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t06, t07, t08, t09, t10, t11, t12, t15, t16, t17, t01;
t01 = in[4*0] ^ in[4*3];
t02 = in[4*2] ^ in[4*3];
/* S3: 0 15 11 8 12 9 6 3 13 1 2 4 10 7 5 14 */
/* depth = 8,3,5,5, Total gates=18 */
-static void sb3(uint8_t* out, const uint8_t* in){
+static void sb3(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t06, t07, t08, t09, t10, t11, t13, t14, t15, t01;
t01 = in[4*0] ^ in[4*2];
t02 = in[4*0] | in[4*3];
/* InvS3: 0 9 10 7 11 14 6 13 3 5 12 2 4 8 15 1 */
/* depth = 3,6,4,4, Total gates=17 */
-static void sb3_inv(uint8_t* out, const uint8_t* in){
+static void sb3_inv(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t06, t07, t09, t11, t12, t13, t14, t16, t01;
t01 = in[4*2] | in[4*3];
t02 = in[4*0] | in[4*3];
/* S4: 1 15 8 3 12 0 11 6 2 5 4 10 9 14 7 13 */
/* depth = 6,7,5,3, Total gates=19 */
-static void sb4(uint8_t* out, const uint8_t* in){
+static void sb4(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t06, t08, t09, t10, t11, t12, t13, t14, t15, t16, t01;
t01 = in[4*0] | in[4*1];
t02 = in[4*1] | in[4*2];
/* InvS4: 5 0 8 3 10 9 7 14 2 12 11 6 4 15 13 1 */
/* depth = 6,4,7,3, Total gates=17 */
-static void sb4_inv(uint8_t* out, const uint8_t* in){
+static void sb4_inv(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t06, t07, t09, t10, t11, t12, t13, t15, t01;
t01 = in[4*1] | in[4*3];
t02 = in[4*2] | in[4*3];
/* S5: 15 5 2 11 4 10 9 12 0 3 14 8 13 6 7 1 */
/* depth = 4,6,8,6, Total gates=17 */
-static void sb5(uint8_t* out, const uint8_t* in){
+static void sb5(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t07, t08, t09, t10, t11, t12, t13, t14, t01;
t01 = in[4*1] ^ in[4*3];
t02 = in[4*1] | in[4*3];
/* InvS5: 8 15 2 9 4 1 13 14 11 6 5 3 7 12 10 0 */
/* depth = 4,6,9,7, Total gates=17 */
-static void sb5_inv(uint8_t* out, const uint8_t* in){
+static void sb5_inv(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t07, t08, t09, t10, t12, t13, t15, t16, t01;
t01 = in[4*0] & in[4*3];
t02 = in[4*2] ^ t01;
/* S6: 7 2 12 5 8 4 6 11 14 9 1 15 13 3 10 0 */
/* depth = 8,3,6,3, Total gates=19 */
-static void sb6(uint8_t* out, const uint8_t* in){
+static void sb6(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t07, t08, t09, t10, t11, t12, t13, t15, t17, t18, t01;
t01 = in[4*0] & in[4*3];
t02 = in[4*1] ^ in[4*2];
/* InvS6: 15 10 1 13 5 3 6 0 4 9 14 7 2 12 8 11 */
/* depth = 5,3,8,6, Total gates=19 */
-static void sb6_inv(uint8_t* out, const uint8_t* in){
+static void sb6_inv(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t06, t07, t08, t09, t12, t13, t14, t15, t16, t17, t01;
t01 = in[4*0] ^ in[4*2];
t02 = ~ in[4*2];
/* S7: 1 13 15 0 14 8 2 11 7 4 12 10 9 3 5 6 */
/* depth = 10,7,10,4, Total gates=19 */
-static void sb7(uint8_t* out, const uint8_t* in){
+static void sb7(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t05, t06, t08, t09, t10, t11, t13, t14, t15, t16, t17, t01;
t01 = in[4*0] & in[4*2];
t02 = ~ in[4*3];
/* InvS7: 3 0 6 13 9 14 15 8 5 12 11 7 10 1 4 2 */
/* depth = 9,7,3,3, Total gates=18 */
-static void sb7_inv(uint8_t* out, const uint8_t* in){
+static void sb7_inv(uint8_t *out, const uint8_t *in){
uint8_t t02, t03, t04, t06, t07, t08, t09, t10, t11, t13, t14, t15, t16, t01;
t01 = in[4*0] & in[4*1];
t02 = in[4*0] | in[4*1];