/* * This file is * Copyright (C) 1998 Ross Anderson, Eli Biham, Lars Knudsen * * For more information see http://www.cl.cam.ac.uk/users/rja14/serpent.html * * 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 * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software Foundation, * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ /* S0: 3 8 15 1 10 6 5 11 14 13 4 2 7 0 9 12 */ /* depth = 5,7,4,2, Total gates=18 */ #define RND00(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t05, t06, t07, t08, t09, t11, t12, t13, t14, t15, t17, t01;\ t01 = b ^ c ; \ t02 = a | d ; \ t03 = a ^ b ; \ z = t02 ^ t01; \ t05 = c | z ; \ t06 = a ^ d ; \ t07 = b | c ; \ t08 = d & t05; \ t09 = t03 & t07; \ y = t09 ^ t08; \ t11 = t09 & y ; \ t12 = c ^ d ; \ t13 = t07 ^ t11; \ t14 = b & t06; \ t15 = t06 ^ t13; \ w = ~ t15; \ t17 = w ^ t14; \ x = t12 ^ t17; } /* InvS0: 13 3 11 0 10 6 5 12 1 14 4 7 15 9 8 2 */ /* depth = 8,4,3,6, Total gates=19 */ #define InvRND00(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t06, t08, t09, t10, t12, t13, t14, t15, t17, t18, t01;\ t01 = c ^ d ; \ t02 = a | b ; \ t03 = b | c ; \ t04 = c & t01; \ t05 = t02 ^ t01; \ t06 = a | t04; \ y = ~ t05; \ t08 = b ^ d ; \ t09 = t03 & t08; \ t10 = d | y ; \ x = t09 ^ t06; \ t12 = a | t05; \ t13 = x ^ t12; \ t14 = t03 ^ t10; \ t15 = a ^ c ; \ z = t14 ^ t13; \ t17 = t05 & t13; \ t18 = t14 | t17; \ w = t15 ^ t18; } /* S1: 15 12 2 7 9 0 5 10 1 11 14 8 6 13 3 4 */ /* depth = 10,7,3,5, Total gates=18 */ #define RND01(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t06, t07, t08, t10, t11, t12, t13, t16, t17, t01;\ t01 = a | d ; \ t02 = c ^ d ; \ t03 = ~ b ; \ t04 = a ^ c ; \ t05 = a | t03; \ t06 = d & t04; \ t07 = t01 & t02; \ t08 = b | t06; \ y = t02 ^ t05; \ t10 = t07 ^ t08; \ t11 = t01 ^ t10; \ t12 = y ^ t11; \ t13 = b & d ; \ z = ~ t10; \ x = t13 ^ t12; \ t16 = t10 | x ; \ t17 = t05 & t16; \ w = c ^ t17; } /* 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 */ #define InvRND01(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t06, t07, t08, t09, t10, t11, t14, t15, t17, t01;\ t01 = a ^ b ; \ t02 = b | d ; \ t03 = a & c ; \ t04 = c ^ t02; \ t05 = a | t04; \ t06 = t01 & t05; \ t07 = d | t03; \ t08 = b ^ t06; \ t09 = t07 ^ t06; \ t10 = t04 | t03; \ t11 = d & t08; \ y = ~ t09; \ x = t10 ^ t11; \ t14 = a | y ; \ t15 = t06 ^ x ; \ z = t01 ^ t04; \ t17 = c ^ t15; \ w = t14 ^ t17; } /* 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 */ #define RND02(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t05, t06, t07, t08, t09, t10, t12, t13, t14, t01;\ t01 = a | c ; \ t02 = a ^ b ; \ t03 = d ^ t01; \ w = t02 ^ t03; \ t05 = c ^ w ; \ t06 = b ^ t05; \ t07 = b | t05; \ t08 = t01 & t06; \ t09 = t03 ^ t07; \ t10 = t02 | t09; \ x = t10 ^ t08; \ t12 = a | d ; \ t13 = t09 ^ x ; \ t14 = b ^ t13; \ z = ~ t09; \ y = t12 ^ t14; } /* 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 */ #define InvRND02(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t06, t07, t08, t09, t10, t11, t12, t15, t16, t17, t01;\ t01 = a ^ d ; \ t02 = c ^ d ; \ t03 = a & c ; \ t04 = b | t02; \ w = t01 ^ t04; \ t06 = a | c ; \ t07 = d | w ; \ t08 = ~ d ; \ t09 = b & t06; \ t10 = t08 | t03; \ t11 = b & t07; \ t12 = t06 & t02; \ z = t09 ^ t10; \ x = t12 ^ t11; \ t15 = c & z ; \ t16 = w ^ x ; \ t17 = t10 ^ t15; \ y = t16 ^ t17; } /* 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 */ #define RND03(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t06, t07, t08, t09, t10, t11, t13, t14, t15, t01;\ t01 = a ^ c ; \ t02 = a | d ; \ t03 = a & d ; \ t04 = t01 & t02; \ t05 = b | t03; \ t06 = a & b ; \ t07 = d ^ t04; \ t08 = c | t06; \ t09 = b ^ t07; \ t10 = d & t05; \ t11 = t02 ^ t10; \ z = t08 ^ t09; \ t13 = d | z ; \ t14 = a | t07; \ t15 = b & t13; \ y = t08 ^ t11; \ w = t14 ^ t15; \ x = t05 ^ t04; } /* 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 */ #define InvRND03(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t06, t07, t09, t11, t12, t13, t14, t16, t01;\ t01 = c | d ; \ t02 = a | d ; \ t03 = c ^ t02; \ t04 = b ^ t02; \ t05 = a ^ d ; \ t06 = t04 & t03; \ t07 = b & t01; \ y = t05 ^ t06; \ t09 = a ^ t03; \ w = t07 ^ t03; \ t11 = w | t05; \ t12 = t09 & t11; \ t13 = a & y ; \ t14 = t01 ^ t05; \ x = b ^ t12; \ t16 = b | t13; \ z = t14 ^ t16; } /* 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 */ #define RND04(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t06, t08, t09, t10, t11, t12, t13, t14, t15, t16, t01;\ t01 = a | b ; \ t02 = b | c ; \ t03 = a ^ t02; \ t04 = b ^ d ; \ t05 = d | t03; \ t06 = d & t01; \ z = t03 ^ t06; \ t08 = z & t04; \ t09 = t04 & t05; \ t10 = c ^ t06; \ t11 = b & c ; \ t12 = t04 ^ t08; \ t13 = t11 | t03; \ t14 = t10 ^ t09; \ t15 = a & t05; \ t16 = t11 | t12; \ y = t13 ^ t08; \ x = t15 ^ t16; \ w = ~ t14; } /* 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 */ #define InvRND04(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t06, t07, t09, t10, t11, t12, t13, t15, t01;\ t01 = b | d ; \ t02 = c | d ; \ t03 = a & t01; \ t04 = b ^ t02; \ t05 = c ^ d ; \ t06 = ~ t03; \ t07 = a & t04; \ x = t05 ^ t07; \ t09 = x | t06; \ t10 = a ^ t07; \ t11 = t01 ^ t09; \ t12 = d ^ t04; \ t13 = c | t10; \ z = t03 ^ t12; \ t15 = a ^ t04; \ y = t11 ^ t13; \ w = t15 ^ t09; } /* 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 */ #define RND05(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t07, t08, t09, t10, t11, t12, t13, t14, t01;\ t01 = b ^ d ; \ t02 = b | d ; \ t03 = a & t01; \ t04 = c ^ t02; \ t05 = t03 ^ t04; \ w = ~ t05; \ t07 = a ^ t01; \ t08 = d | w ; \ t09 = b | t05; \ t10 = d ^ t08; \ t11 = b | t07; \ t12 = t03 | w ; \ t13 = t07 | t10; \ t14 = t01 ^ t11; \ y = t09 ^ t13; \ x = t07 ^ t08; \ z = t12 ^ t14; } /* 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 */ #define InvRND05(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t07, t08, t09, t10, t12, t13, t15, t16, t01;\ t01 = a & d ; \ t02 = c ^ t01; \ t03 = a ^ d ; \ t04 = b & t02; \ t05 = a & c ; \ w = t03 ^ t04; \ t07 = a & w ; \ t08 = t01 ^ w ; \ t09 = b | t05; \ t10 = ~ b ; \ x = t08 ^ t09; \ t12 = t10 | t07; \ t13 = w | x ; \ z = t02 ^ t12; \ t15 = t02 ^ t13; \ t16 = b ^ d ; \ y = t16 ^ t15; } /* 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 */ #define RND06(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t07, t08, t09, t10, t11, t12, t13, t15, t17, t18, t01;\ t01 = a & d ; \ t02 = b ^ c ; \ t03 = a ^ d ; \ t04 = t01 ^ t02; \ t05 = b | c ; \ x = ~ t04; \ t07 = t03 & t05; \ t08 = b & x ; \ t09 = a | c ; \ t10 = t07 ^ t08; \ t11 = b | d ; \ t12 = c ^ t11; \ t13 = t09 ^ t10; \ y = ~ t13; \ t15 = x & t03; \ z = t12 ^ t07; \ t17 = a ^ b ; \ t18 = y ^ t15; \ w = t17 ^ t18; } /* 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 */ #define InvRND06(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t06, t07, t08, t09, t12, t13, t14, t15, t16, t17, t01;\ t01 = a ^ c ; \ t02 = ~ c ; \ t03 = b & t01; \ t04 = b | t02; \ t05 = d | t03; \ t06 = b ^ d ; \ t07 = a & t04; \ t08 = a | t02; \ t09 = t07 ^ t05; \ x = t06 ^ t08; \ w = ~ t09; \ t12 = b & w ; \ t13 = t01 & t05; \ t14 = t01 ^ t12; \ t15 = t07 ^ t13; \ t16 = d | t02; \ t17 = a ^ x ; \ z = t17 ^ t15; \ y = t16 ^ t14; } /* 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 */ #define RND07(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t05, t06, t08, t09, t10, t11, t13, t14, t15, t16, t17, t01;\ t01 = a & c ; \ t02 = ~ d ; \ t03 = a & t02; \ t04 = b | t01; \ t05 = a & b ; \ t06 = c ^ t04; \ z = t03 ^ t06; \ t08 = c | z ; \ t09 = d | t05; \ t10 = a ^ t08; \ t11 = t04 & z ; \ x = t09 ^ t10; \ t13 = b ^ x ; \ t14 = t01 ^ x ; \ t15 = c ^ t05; \ t16 = t11 | t13; \ t17 = t02 | t14; \ w = t15 ^ t17; \ y = a ^ t16; } /* 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 */ #define InvRND07(a,b,c,d,w,x,y,z) \ { register unsigned long t02, t03, t04, t06, t07, t08, t09, t10, t11, t13, t14, t15, t16, t01;\ t01 = a & b ; \ t02 = a | b ; \ t03 = c | t01; \ t04 = d & t02; \ z = t03 ^ t04; \ t06 = b ^ t04; \ t07 = d ^ z ; \ t08 = ~ t07; \ t09 = t06 | t08; \ t10 = b ^ d ; \ t11 = a | d ; \ x = a ^ t09; \ t13 = c ^ t06; \ t14 = c & t11; \ t15 = d | x ; \ t16 = t01 | t10; \ w = t13 ^ t15; \ y = t14 ^ t16; } #define RND08(a,b,c,d,e,f,g,h) RND00(a,b,c,d,e,f,g,h) #define RND09(a,b,c,d,e,f,g,h) RND01(a,b,c,d,e,f,g,h) #define RND10(a,b,c,d,e,f,g,h) RND02(a,b,c,d,e,f,g,h) #define RND11(a,b,c,d,e,f,g,h) RND03(a,b,c,d,e,f,g,h) #define RND12(a,b,c,d,e,f,g,h) RND04(a,b,c,d,e,f,g,h) #define RND13(a,b,c,d,e,f,g,h) RND05(a,b,c,d,e,f,g,h) #define RND14(a,b,c,d,e,f,g,h) RND06(a,b,c,d,e,f,g,h) #define RND15(a,b,c,d,e,f,g,h) RND07(a,b,c,d,e,f,g,h) #define RND16(a,b,c,d,e,f,g,h) RND00(a,b,c,d,e,f,g,h) #define RND17(a,b,c,d,e,f,g,h) RND01(a,b,c,d,e,f,g,h) #define RND18(a,b,c,d,e,f,g,h) RND02(a,b,c,d,e,f,g,h) #define RND19(a,b,c,d,e,f,g,h) RND03(a,b,c,d,e,f,g,h) #define RND20(a,b,c,d,e,f,g,h) RND04(a,b,c,d,e,f,g,h) #define RND21(a,b,c,d,e,f,g,h) RND05(a,b,c,d,e,f,g,h) #define RND22(a,b,c,d,e,f,g,h) RND06(a,b,c,d,e,f,g,h) #define RND23(a,b,c,d,e,f,g,h) RND07(a,b,c,d,e,f,g,h) #define RND24(a,b,c,d,e,f,g,h) RND00(a,b,c,d,e,f,g,h) #define RND25(a,b,c,d,e,f,g,h) RND01(a,b,c,d,e,f,g,h) #define RND26(a,b,c,d,e,f,g,h) RND02(a,b,c,d,e,f,g,h) #define RND27(a,b,c,d,e,f,g,h) RND03(a,b,c,d,e,f,g,h) #define RND28(a,b,c,d,e,f,g,h) RND04(a,b,c,d,e,f,g,h) #define RND29(a,b,c,d,e,f,g,h) RND05(a,b,c,d,e,f,g,h) #define RND30(a,b,c,d,e,f,g,h) RND06(a,b,c,d,e,f,g,h) #define RND31(a,b,c,d,e,f,g,h) RND07(a,b,c,d,e,f,g,h) #define InvRND08(a,b,c,d,e,f,g,h) InvRND00(a,b,c,d,e,f,g,h) #define InvRND09(a,b,c,d,e,f,g,h) InvRND01(a,b,c,d,e,f,g,h) #define InvRND10(a,b,c,d,e,f,g,h) InvRND02(a,b,c,d,e,f,g,h) #define InvRND11(a,b,c,d,e,f,g,h) InvRND03(a,b,c,d,e,f,g,h) #define InvRND12(a,b,c,d,e,f,g,h) InvRND04(a,b,c,d,e,f,g,h) #define InvRND13(a,b,c,d,e,f,g,h) InvRND05(a,b,c,d,e,f,g,h) #define InvRND14(a,b,c,d,e,f,g,h) InvRND06(a,b,c,d,e,f,g,h) #define InvRND15(a,b,c,d,e,f,g,h) InvRND07(a,b,c,d,e,f,g,h) #define InvRND16(a,b,c,d,e,f,g,h) InvRND00(a,b,c,d,e,f,g,h) #define InvRND17(a,b,c,d,e,f,g,h) InvRND01(a,b,c,d,e,f,g,h) #define InvRND18(a,b,c,d,e,f,g,h) InvRND02(a,b,c,d,e,f,g,h) #define InvRND19(a,b,c,d,e,f,g,h) InvRND03(a,b,c,d,e,f,g,h) #define InvRND20(a,b,c,d,e,f,g,h) InvRND04(a,b,c,d,e,f,g,h) #define InvRND21(a,b,c,d,e,f,g,h) InvRND05(a,b,c,d,e,f,g,h) #define InvRND22(a,b,c,d,e,f,g,h) InvRND06(a,b,c,d,e,f,g,h) #define InvRND23(a,b,c,d,e,f,g,h) InvRND07(a,b,c,d,e,f,g,h) #define InvRND24(a,b,c,d,e,f,g,h) InvRND00(a,b,c,d,e,f,g,h) #define InvRND25(a,b,c,d,e,f,g,h) InvRND01(a,b,c,d,e,f,g,h) #define InvRND26(a,b,c,d,e,f,g,h) InvRND02(a,b,c,d,e,f,g,h) #define InvRND27(a,b,c,d,e,f,g,h) InvRND03(a,b,c,d,e,f,g,h) #define InvRND28(a,b,c,d,e,f,g,h) InvRND04(a,b,c,d,e,f,g,h) #define InvRND29(a,b,c,d,e,f,g,h) InvRND05(a,b,c,d,e,f,g,h) #define InvRND30(a,b,c,d,e,f,g,h) InvRND06(a,b,c,d,e,f,g,h) #define InvRND31(a,b,c,d,e,f,g,h) InvRND07(a,b,c,d,e,f,g,h) /* Linear transformations and key mixing: */ #define ROL(x,n) ((((unsigned long)(x))<<(n))| \ (((unsigned long)(x))>>(32-(n)))) #define ROR(x,n) ((((unsigned long)(x))<<(32-(n)))| \ (((unsigned long)(x))>>(n))) #define transform(x0, x1, x2, x3, y0, y1, y2, y3) \ y0 = ROL(x0, 13); \ y2 = ROL(x2, 3); \ y1 = x1 ^ y0 ^ y2; \ y3 = x3 ^ y2 ^ ((unsigned long)y0)<<3; \ y1 = ROL(y1, 1); \ y3 = ROL(y3, 7); \ y0 = y0 ^ y1 ^ y3; \ y2 = y2 ^ y3 ^ ((unsigned long)y1<<7); \ y0 = ROL(y0, 5); \ y2 = ROL(y2, 22) #define inv_transform(x0, x1, x2, x3, y0, y1, y2, y3) \ y2 = ROR(x2, 22);\ y0 = ROR(x0, 5); \ y2 = y2 ^ x3 ^ ((unsigned long)x1<<7); \ y0 = y0 ^ x1 ^ x3; \ y3 = ROR(x3, 7); \ y1 = ROR(x1, 1); \ y3 = y3 ^ y2 ^ ((unsigned long)y0)<<3; \ y1 = y1 ^ y0 ^ y2; \ y2 = ROR(y2, 3); \ y0 = ROR(y0, 13) #define keying(x0, x1, x2, x3, subkey) \ x0^=subkey[0];x1^=subkey[1]; \ x2^=subkey[2];x3^=subkey[3] /* PHI: Constant used in the key schedule */ #define PHI 0x9e3779b9L