X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=serpent-sboxes-bitslice.c;h=8d4e80ddeb0d39cba471407a5bc7657a4572a5fa;hb=6918fd7223cd8f27b8438169e6aed8e4110a562a;hp=fe4d6685b7aacab7f9db22f7968fb2723f8f3a84;hpb=8ef8dfdc7299ac1c30869ec6ad4d11276f0cf5db;p=avr-crypto-lib.git diff --git a/serpent-sboxes-bitslice.c b/serpent-sboxes-bitslice.c index fe4d668..8d4e80d 100644 --- a/serpent-sboxes-bitslice.c +++ b/serpent-sboxes-bitslice.c @@ -35,406 +35,406 @@ /* depth = 5,7,4,2, Total gates=18 */ static -void sb0(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] ^ in[4*2+i]; - t02 = in[4*0+i] | in[4*3+i]; - t03 = in[4*0+i] ^ in[4*1+i]; - out[4*3+i] = t02 ^ t01; - t05 = in[4*2+i] | out[4*3+i]; - t06 = in[4*0+i] ^ in[4*3+i]; - t07 = in[4*1+i] | in[4*2+i]; - t08 = in[4*3+i] & t05; + t01 = in[4*1] ^ in[4*2]; + t02 = in[4*0] | in[4*3]; + t03 = in[4*0] ^ in[4*1]; + out[4*3] = t02 ^ t01; + t05 = in[4*2] | out[4*3]; + t06 = in[4*0] ^ in[4*3]; + t07 = in[4*1] | in[4*2]; + t08 = in[4*3] & t05; t09 = t03 & t07; - out[4*2+i] = t09 ^ t08; - t11 = t09 & out[4*2+i]; - t12 = in[4*2+i] ^ in[4*3+i]; + out[4*2] = t09 ^ t08; + t11 = t09 & out[4*2]; + t12 = in[4*2] ^ in[4*3]; t13 = t07 ^ t11; - t14 = in[4*1+i] & t06; + t14 = in[4*1] & t06; t15 = t06 ^ t13; - out[4*0+i] = ~ t15; - t17 = out[4*0+i] ^ t14; - out[4*1+i] = t12 ^ t17; + out[4*0] = ~ t15; + t17 = out[4*0] ^ t14; + out[4*1] = 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 */ static -void sb0_inv(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] ^ in[4*3+i]; - t02 = in[4*0+i] | in[4*1+i]; - t03 = in[4*1+i] | in[4*2+i]; - t04 = in[4*2+i] & t01; + t01 = in[4*2] ^ in[4*3]; + t02 = in[4*0] | in[4*1]; + t03 = in[4*1] | in[4*2]; + t04 = in[4*2] & t01; t05 = t02 ^ t01; - t06 = in[4*0+i] | t04; - out[4*2+i] = ~ t05; - t08 = in[4*1+i] ^ in[4*3+i]; + t06 = in[4*0] | t04; + out[4*2] = ~ t05; + t08 = in[4*1] ^ in[4*3]; t09 = t03 & t08; - t10 = in[4*3+i] | out[4*2+i]; - out[4*1+i] = t09 ^ t06; - t12 = in[4*0+i] | t05; - t13 = out[4*1+i] ^ t12; + t10 = in[4*3] | out[4*2]; + out[4*1] = t09 ^ t06; + t12 = in[4*0] | t05; + t13 = out[4*1] ^ t12; t14 = t03 ^ t10; - t15 = in[4*0+i] ^ in[4*2+i]; - out[4*3+i] = t14 ^ t13; + t15 = in[4*0] ^ in[4*2]; + out[4*3] = t14 ^ t13; t17 = t05 & t13; t18 = t14 | t17; - out[4*0+i] = t15 ^ t18; + out[4*0] = 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 */ static -void sb1(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] | in[4*3+i]; - t02 = in[4*2+i] ^ in[4*3+i]; - t03 = ~ in[4*1+i]; - t04 = in[4*0+i] ^ in[4*2+i]; - t05 = in[4*0+i] | t03; - t06 = in[4*3+i] & t04; + t01 = in[4*0] | in[4*3]; + t02 = in[4*2] ^ in[4*3]; + t03 = ~ in[4*1]; + t04 = in[4*0] ^ in[4*2]; + t05 = in[4*0] | t03; + t06 = in[4*3] & t04; t07 = t01 & t02; - t08 = in[4*1+i] | t06; - out[4*2+i] = t02 ^ t05; + t08 = in[4*1] | t06; + out[4*2] = t02 ^ t05; t10 = t07 ^ t08; t11 = t01 ^ t10; - t12 = out[4*2+i] ^ t11; - t13 = in[4*1+i] & in[4*3+i]; - out[4*3+i] = ~ t10; - out[4*1+i] = t13 ^ t12; - t16 = t10 | out[4*1+i]; + t12 = out[4*2] ^ t11; + t13 = in[4*1] & in[4*3]; + out[4*3] = ~ t10; + out[4*1] = t13 ^ t12; + t16 = t10 | out[4*1]; t17 = t05 & t16; - out[4*0+i] = in[4*2+i] ^ t17; + out[4*0] = in[4*2] ^ 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 */ -static void sb1_inv(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] ^ in[4*1+i]; - t02 = in[4*1+i] | in[4*3+i]; - t03 = in[4*0+i] & in[4*2+i]; - t04 = in[4*2+i] ^ t02; - t05 = in[4*0+i] | t04; + t01 = in[4*0] ^ in[4*1]; + t02 = in[4*1] | in[4*3]; + t03 = in[4*0] & in[4*2]; + t04 = in[4*2] ^ t02; + t05 = in[4*0] | t04; t06 = t01 & t05; - t07 = in[4*3+i] | t03; - t08 = in[4*1+i] ^ t06; + t07 = in[4*3] | t03; + t08 = in[4*1] ^ t06; t09 = t07 ^ t06; t10 = t04 | t03; - t11 = in[4*3+i] & t08; - out[4*2+i] = ~ t09; - out[4*1+i] = t10 ^ t11; - t14 = in[4*0+i] | out[4*2+i]; - t15 = t06 ^ out[4*1+i]; - out[4*3+i] = t01 ^ t04; - t17 = in[4*2+i] ^ t15; - out[4*0+i] = t14 ^ t17; + t11 = in[4*3] & t08; + out[4*2] = ~ t09; + out[4*1] = t10 ^ t11; + t14 = in[4*0] | out[4*2]; + t15 = t06 ^ out[4*1]; + out[4*3] = t01 ^ t04; + t17 = in[4*2] ^ t15; + out[4*0] = 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 */ -static void sb2(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] | in[4*2+i]; - t02 = in[4*0+i] ^ in[4*1+i]; - t03 = in[4*3+i] ^ t01; - out[4*0+i] = t02 ^ t03; - t05 = in[4*2+i] ^ out[4*0+i]; - t06 = in[4*1+i] ^ t05; - t07 = in[4*1+i] | t05; + t01 = in[4*0] | in[4*2]; + t02 = in[4*0] ^ in[4*1]; + t03 = in[4*3] ^ t01; + out[4*0] = t02 ^ t03; + t05 = in[4*2] ^ out[4*0]; + t06 = in[4*1] ^ t05; + t07 = in[4*1] | t05; t08 = t01 & t06; t09 = t03 ^ t07; t10 = t02 | t09; - out[4*1+i] = t10 ^ t08; - t12 = in[4*0+i] | in[4*3+i]; - t13 = t09 ^ out[4*1+i]; - t14 = in[4*1+i] ^ t13; - out[4*3+i] = ~ t09; - out[4*2+i] = t12 ^ t14; + out[4*1] = t10 ^ t08; + t12 = in[4*0] | in[4*3]; + t13 = t09 ^ out[4*1]; + t14 = in[4*1] ^ t13; + out[4*3] = ~ t09; + out[4*2] = 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 */ -static void sb2_inv(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] ^ in[4*3+i]; - t02 = in[4*2+i] ^ in[4*3+i]; - t03 = in[4*0+i] & in[4*2+i]; - t04 = in[4*1+i] | t02; - out[4*0+i] = t01 ^ t04; - t06 = in[4*0+i] | in[4*2+i]; - t07 = in[4*3+i] | out[4*0+i]; - t08 = ~ in[4*3+i]; - t09 = in[4*1+i] & t06; + t01 = in[4*0] ^ in[4*3]; + t02 = in[4*2] ^ in[4*3]; + t03 = in[4*0] & in[4*2]; + t04 = in[4*1] | t02; + out[4*0] = t01 ^ t04; + t06 = in[4*0] | in[4*2]; + t07 = in[4*3] | out[4*0]; + t08 = ~ in[4*3]; + t09 = in[4*1] & t06; t10 = t08 | t03; - t11 = in[4*1+i] & t07; + t11 = in[4*1] & t07; t12 = t06 & t02; - out[4*3+i] = t09 ^ t10; - out[4*1+i] = t12 ^ t11; - t15 = in[4*2+i] & out[4*3+i]; - t16 = out[4*0+i] ^ out[4*1+i]; + out[4*3] = t09 ^ t10; + out[4*1] = t12 ^ t11; + t15 = in[4*2] & out[4*3]; + t16 = out[4*0] ^ out[4*1]; t17 = t10 ^ t15; - out[4*2+i] = t16 ^ t17; + out[4*2] = 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 */ -static void sb3(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] ^ in[4*2+i]; - t02 = in[4*0+i] | in[4*3+i]; - t03 = in[4*0+i] & in[4*3+i]; + t01 = in[4*0] ^ in[4*2]; + t02 = in[4*0] | in[4*3]; + t03 = in[4*0] & in[4*3]; t04 = t01 & t02; - t05 = in[4*1+i] | t03; - t06 = in[4*0+i] & in[4*1+i]; - t07 = in[4*3+i] ^ t04; - t08 = in[4*2+i] | t06; - t09 = in[4*1+i] ^ t07; - t10 = in[4*3+i] & t05; + t05 = in[4*1] | t03; + t06 = in[4*0] & in[4*1]; + t07 = in[4*3] ^ t04; + t08 = in[4*2] | t06; + t09 = in[4*1] ^ t07; + t10 = in[4*3] & t05; t11 = t02 ^ t10; - out[4*3+i] = t08 ^ t09; - t13 = in[4*3+i] | out[4*3+i]; - t14 = in[4*0+i] | t07; - t15 = in[4*1+i] & t13; - out[4*2+i] = t08 ^ t11; - out[4*0+i] = t14 ^ t15; - out[4*1+i] = t05 ^ t04; + out[4*3] = t08 ^ t09; + t13 = in[4*3] | out[4*3]; + t14 = in[4*0] | t07; + t15 = in[4*1] & t13; + out[4*2] = t08 ^ t11; + out[4*0] = t14 ^ t15; + out[4*1] = 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 */ -static void sb3_inv(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] | in[4*3+i]; - t02 = in[4*0+i] | in[4*3+i]; - t03 = in[4*2+i] ^ t02; - t04 = in[4*1+i] ^ t02; - t05 = in[4*0+i] ^ in[4*3+i]; + t01 = in[4*2] | in[4*3]; + t02 = in[4*0] | in[4*3]; + t03 = in[4*2] ^ t02; + t04 = in[4*1] ^ t02; + t05 = in[4*0] ^ in[4*3]; t06 = t04 & t03; - t07 = in[4*1+i] & t01; - out[4*2+i] = t05 ^ t06; - t09 = in[4*0+i] ^ t03; - out[4*0+i] = t07 ^ t03; - t11 = out[4*0+i] | t05; + t07 = in[4*1] & t01; + out[4*2] = t05 ^ t06; + t09 = in[4*0] ^ t03; + out[4*0] = t07 ^ t03; + t11 = out[4*0] | t05; t12 = t09 & t11; - t13 = in[4*0+i] & out[4*2+i]; + t13 = in[4*0] & out[4*2]; t14 = t01 ^ t05; - out[4*1+i] = in[4*1+i] ^ t12; - t16 = in[4*1+i] | t13; - out[4*3+i] = t14 ^ t16; + out[4*1] = in[4*1] ^ t12; + t16 = in[4*1] | t13; + out[4*3] = 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 */ -static void sb4(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] | in[4*1+i]; - t02 = in[4*1+i] | in[4*2+i]; - t03 = in[4*0+i] ^ t02; - t04 = in[4*1+i] ^ in[4*3+i]; - t05 = in[4*3+i] | t03; - t06 = in[4*3+i] & t01; - out[4*3+i] = t03 ^ t06; - t08 = out[4*3+i] & t04; + t01 = in[4*0] | in[4*1]; + t02 = in[4*1] | in[4*2]; + t03 = in[4*0] ^ t02; + t04 = in[4*1] ^ in[4*3]; + t05 = in[4*3] | t03; + t06 = in[4*3] & t01; + out[4*3] = t03 ^ t06; + t08 = out[4*3] & t04; t09 = t04 & t05; - t10 = in[4*2+i] ^ t06; - t11 = in[4*1+i] & in[4*2+i]; + t10 = in[4*2] ^ t06; + t11 = in[4*1] & in[4*2]; t12 = t04 ^ t08; t13 = t11 | t03; t14 = t10 ^ t09; - t15 = in[4*0+i] & t05; + t15 = in[4*0] & t05; t16 = t11 | t12; - out[4*2+i] = t13 ^ t08; - out[4*1+i] = t15 ^ t16; - out[4*0+i] = ~ t14; + out[4*2] = t13 ^ t08; + out[4*1] = t15 ^ t16; + out[4*0] = ~ 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 */ -static void sb4_inv(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] | in[4*3+i]; - t02 = in[4*2+i] | in[4*3+i]; - t03 = in[4*0+i] & t01; - t04 = in[4*1+i] ^ t02; - t05 = in[4*2+i] ^ in[4*3+i]; + t01 = in[4*1] | in[4*3]; + t02 = in[4*2] | in[4*3]; + t03 = in[4*0] & t01; + t04 = in[4*1] ^ t02; + t05 = in[4*2] ^ in[4*3]; t06 = ~ t03; - t07 = in[4*0+i] & t04; - out[4*1+i] = t05 ^ t07; - t09 = out[4*1+i] | t06; - t10 = in[4*0+i] ^ t07; + t07 = in[4*0] & t04; + out[4*1] = t05 ^ t07; + t09 = out[4*1] | t06; + t10 = in[4*0] ^ t07; t11 = t01 ^ t09; - t12 = in[4*3+i] ^ t04; - t13 = in[4*2+i] | t10; - out[4*3+i] = t03 ^ t12; - t15 = in[4*0+i] ^ t04; - out[4*2+i] = t11 ^ t13; - out[4*0+i] = t15 ^ t09; + t12 = in[4*3] ^ t04; + t13 = in[4*2] | t10; + out[4*3] = t03 ^ t12; + t15 = in[4*0] ^ t04; + out[4*2] = t11 ^ t13; + out[4*0] = 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 */ -static void sb5(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] ^ in[4*3+i]; - t02 = in[4*1+i] | in[4*3+i]; - t03 = in[4*0+i] & t01; - t04 = in[4*2+i] ^ t02; + t01 = in[4*1] ^ in[4*3]; + t02 = in[4*1] | in[4*3]; + t03 = in[4*0] & t01; + t04 = in[4*2] ^ t02; t05 = t03 ^ t04; - out[4*0+i] = ~ t05; - t07 = in[4*0+i] ^ t01; - t08 = in[4*3+i] | out[4*0+i]; - t09 = in[4*1+i] | t05; - t10 = in[4*3+i] ^ t08; - t11 = in[4*1+i] | t07; - t12 = t03 | out[4*0+i]; + out[4*0] = ~ t05; + t07 = in[4*0] ^ t01; + t08 = in[4*3] | out[4*0]; + t09 = in[4*1] | t05; + t10 = in[4*3] ^ t08; + t11 = in[4*1] | t07; + t12 = t03 | out[4*0]; t13 = t07 | t10; t14 = t01 ^ t11; - out[4*2+i] = t09 ^ t13; - out[4*1+i] = t07 ^ t08; - out[4*3+i] = t12 ^ t14; + out[4*2] = t09 ^ t13; + out[4*1] = t07 ^ t08; + out[4*3] = 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 */ -static void sb5_inv(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] & in[4*3+i]; - t02 = in[4*2+i] ^ t01; - t03 = in[4*0+i] ^ in[4*3+i]; - t04 = in[4*1+i] & t02; - t05 = in[4*0+i] & in[4*2+i]; - out[4*0+i] = t03 ^ t04; - t07 = in[4*0+i] & out[4*0+i]; - t08 = t01 ^ out[4*0+i]; - t09 = in[4*1+i] | t05; - t10 = ~ in[4*1+i]; - out[4*1+i] = t08 ^ t09; + t01 = in[4*0] & in[4*3]; + t02 = in[4*2] ^ t01; + t03 = in[4*0] ^ in[4*3]; + t04 = in[4*1] & t02; + t05 = in[4*0] & in[4*2]; + out[4*0] = t03 ^ t04; + t07 = in[4*0] & out[4*0]; + t08 = t01 ^ out[4*0]; + t09 = in[4*1] | t05; + t10 = ~ in[4*1]; + out[4*1] = t08 ^ t09; t12 = t10 | t07; - t13 = out[4*0+i] | out[4*1+i]; - out[4*3+i] = t02 ^ t12; + t13 = out[4*0] | out[4*1]; + out[4*3] = t02 ^ t12; t15 = t02 ^ t13; - t16 = in[4*1+i] ^ in[4*3+i]; - out[4*2+i] = t16 ^ t15; + t16 = in[4*1] ^ in[4*3]; + out[4*2] = 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 */ -static void sb6(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] & in[4*3+i]; - t02 = in[4*1+i] ^ in[4*2+i]; - t03 = in[4*0+i] ^ in[4*3+i]; + t01 = in[4*0] & in[4*3]; + t02 = in[4*1] ^ in[4*2]; + t03 = in[4*0] ^ in[4*3]; t04 = t01 ^ t02; - t05 = in[4*1+i] | in[4*2+i]; - out[4*1+i] = ~ t04; + t05 = in[4*1] | in[4*2]; + out[4*1] = ~ t04; t07 = t03 & t05; - t08 = in[4*1+i] & out[4*1+i]; - t09 = in[4*0+i] | in[4*2+i]; + t08 = in[4*1] & out[4*1]; + t09 = in[4*0] | in[4*2]; t10 = t07 ^ t08; - t11 = in[4*1+i] | in[4*3+i]; - t12 = in[4*2+i] ^ t11; + t11 = in[4*1] | in[4*3]; + t12 = in[4*2] ^ t11; t13 = t09 ^ t10; - out[4*2+i] = ~ t13; - t15 = out[4*1+i] & t03; - out[4*3+i] = t12 ^ t07; - t17 = in[4*0+i] ^ in[4*1+i]; - t18 = out[4*2+i] ^ t15; - out[4*0+i] = t17 ^ t18; + out[4*2] = ~ t13; + t15 = out[4*1] & t03; + out[4*3] = t12 ^ t07; + t17 = in[4*0] ^ in[4*1]; + t18 = out[4*2] ^ t15; + out[4*0] = 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 */ -static void sb6_inv(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] ^ in[4*2+i]; - t02 = ~ in[4*2+i]; - t03 = in[4*1+i] & t01; - t04 = in[4*1+i] | t02; - t05 = in[4*3+i] | t03; - t06 = in[4*1+i] ^ in[4*3+i]; - t07 = in[4*0+i] & t04; - t08 = in[4*0+i] | t02; + t01 = in[4*0] ^ in[4*2]; + t02 = ~ in[4*2]; + t03 = in[4*1] & t01; + t04 = in[4*1] | t02; + t05 = in[4*3] | t03; + t06 = in[4*1] ^ in[4*3]; + t07 = in[4*0] & t04; + t08 = in[4*0] | t02; t09 = t07 ^ t05; - out[4*1+i] = t06 ^ t08; - out[4*0+i] = ~ t09; - t12 = in[4*1+i] & out[4*0+i]; + out[4*1] = t06 ^ t08; + out[4*0] = ~ t09; + t12 = in[4*1] & out[4*0]; t13 = t01 & t05; t14 = t01 ^ t12; t15 = t07 ^ t13; - t16 = in[4*3+i] | t02; - t17 = in[4*0+i] ^ out[4*1+i]; - out[4*3+i] = t17 ^ t15; - out[4*2+i] = t16 ^ t14; + t16 = in[4*3] | t02; + t17 = in[4*0] ^ out[4*1]; + out[4*3] = t17 ^ t15; + out[4*2] = 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 */ -static void sb7(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] & in[4*2+i]; - t02 = ~ in[4*3+i]; - t03 = in[4*0+i] & t02; - t04 = in[4*1+i] | t01; - t05 = in[4*0+i] & in[4*1+i]; - t06 = in[4*2+i] ^ t04; - out[4*3+i] = t03 ^ t06; - t08 = in[4*2+i] | out[4*3+i]; - t09 = in[4*3+i] | t05; - t10 = in[4*0+i] ^ t08; - t11 = t04 & out[4*3+i]; - out[4*1+i] = t09 ^ t10; - t13 = in[4*1+i] ^ out[4*1+i]; - t14 = t01 ^ out[4*1+i]; - t15 = in[4*2+i] ^ t05; + t01 = in[4*0] & in[4*2]; + t02 = ~ in[4*3]; + t03 = in[4*0] & t02; + t04 = in[4*1] | t01; + t05 = in[4*0] & in[4*1]; + t06 = in[4*2] ^ t04; + out[4*3] = t03 ^ t06; + t08 = in[4*2] | out[4*3]; + t09 = in[4*3] | t05; + t10 = in[4*0] ^ t08; + t11 = t04 & out[4*3]; + out[4*1] = t09 ^ t10; + t13 = in[4*1] ^ out[4*1]; + t14 = t01 ^ out[4*1]; + t15 = in[4*2] ^ t05; t16 = t11 | t13; t17 = t02 | t14; - out[4*0+i] = t15 ^ t17; - out[4*2+i] = in[4*0+i] ^ t16; + out[4*0] = t15 ^ t17; + out[4*2] = in[4*0] ^ 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 */ -static void sb7_inv(uint8_t* out, const uint8_t* in, uint8_t i){ +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+i] & in[4*1+i]; - t02 = in[4*0+i] | in[4*1+i]; - t03 = in[4*2+i] | t01; - t04 = in[4*3+i] & t02; - out[4*3+i] = t03 ^ t04; - t06 = in[4*1+i] ^ t04; - t07 = in[4*3+i] ^ out[4*3+i]; + t01 = in[4*0] & in[4*1]; + t02 = in[4*0] | in[4*1]; + t03 = in[4*2] | t01; + t04 = in[4*3] & t02; + out[4*3] = t03 ^ t04; + t06 = in[4*1] ^ t04; + t07 = in[4*3] ^ out[4*3]; t08 = ~ t07; t09 = t06 | t08; - t10 = in[4*1+i] ^ in[4*3+i]; - t11 = in[4*0+i] | in[4*3+i]; - out[4*1+i] = in[4*0+i] ^ t09; - t13 = in[4*2+i] ^ t06; - t14 = in[4*2+i] & t11; - t15 = in[4*3+i] | out[4*1+i]; + t10 = in[4*1] ^ in[4*3]; + t11 = in[4*0] | in[4*3]; + out[4*1] = in[4*0] ^ t09; + t13 = in[4*2] ^ t06; + t14 = in[4*2] & t11; + t15 = in[4*3] | out[4*1]; t16 = t01 | t10; - out[4*0+i] = t13 ^ t15; - out[4*2+i] = t14 ^ t16; + out[4*0] = t13 ^ t15; + out[4*2] = t14 ^ t16; } -typedef void(*sb_fpt)(uint8_t*, const uint8_t*, uint8_t i); +typedef void(*sb_fpt)(uint8_t*, const uint8_t*); sb_fpt sf_tab[] PROGMEM = { sb0, sb1, sb2, sb3, @@ -453,7 +453,7 @@ void sbox128(void * w, uint8_t box){ sb_fpt fp; fp = (sb_fpt)pgm_read_word(&(sf_tab[box])); for(i=0; i<4; ++i){ - fp(buffer, (uint8_t*)w, i); + fp(buffer+i, (uint8_t*)w+i); } memcpy(w, buffer, 16); } @@ -465,7 +465,7 @@ void inv_sbox128(void * w, uint8_t box){ sb_fpt fp; fp = (sb_fpt)pgm_read_word(&(sinvf_tab[box])); for(i=0; i<4; ++i){ - fp(buffer, (uint8_t*)w, i); + fp(buffer+i, (uint8_t*)w+i); } memcpy(w, buffer, 16); }