From 03593590022b41b38ff1a02168d1f5ab3d6457b9 Mon Sep 17 00:00:00 2001 From: David Monniaux Date: Sun, 24 Mar 2019 19:18:01 +0100 Subject: experiments with ternary --- test/monniaux/bitsliced-aes/bs.c | 5 +- .../one_file/reduce/bitsliced-aes_compute.c | 1551 +------------------- .../one_file/reduce/bitsliced-aes_main.c | 2 +- .../bitsliced-aes/one_file/reduce/compare.sh | 4 +- 4 files changed, 36 insertions(+), 1526 deletions(-) (limited to 'test/monniaux/bitsliced-aes') diff --git a/test/monniaux/bitsliced-aes/bs.c b/test/monniaux/bitsliced-aes/bs.c index df5c1f6b..04c155ea 100644 --- a/test/monniaux/bitsliced-aes/bs.c +++ b/test/monniaux/bitsliced-aes/bs.c @@ -388,11 +388,14 @@ void bs_transpose_dst(word_t * transpose, word_t * blocks) int offset = i << MUL_SHIFT; #ifndef UNROLL_TRANSPOSE + /* DM experiments */ +#define TERNARY_XY0(t, x) (((t) != 0) ? (x) : (0)) + int j; for(j=0; j < WORD_SIZE; j++) { // TODO make const time - transpose[offset + j] |= (w & (ONE << j)) ? bitpos : 0; + transpose[offset + j] |= TERNARY_XY0(w & (ONE << j), bitpos); } #else diff --git a/test/monniaux/bitsliced-aes/one_file/reduce/bitsliced-aes_compute.c b/test/monniaux/bitsliced-aes/one_file/reduce/bitsliced-aes_compute.c index 44b88d1f..5294ff1d 100644 --- a/test/monniaux/bitsliced-aes/one_file/reduce/bitsliced-aes_compute.c +++ b/test/monniaux/bitsliced-aes/one_file/reduce/bitsliced-aes_compute.c @@ -1,1525 +1,32 @@ #include -#include #include -#include -#include "/home/monniaux/work/Kalray/CompCert/test/monniaux/clock.h" - -#define EXIT1 - -void aes_ecb_encrypt(uint8_t * outputb, uint8_t * inputb, size_t size, uint8_t * key); -void aes_ecb_decrypt(uint8_t * outputb, uint8_t * inputb, size_t size, uint8_t * key); - -void aes_ctr_encrypt(uint8_t * outputb, uint8_t * inputb, size_t size, uint8_t * key, uint8_t * iv); -#define aes_ctr_decrypt(outputb,inputb,size,key,iv) aes_ctr_encrypt(outputb,inputb,size,key,iv) - -#define BLOCK_SIZE 128 -#define KEY_SCHEDULE_SIZE 176 -#define WORD_SIZE 64 -#define BS_BLOCK_SIZE (BLOCK_SIZE * WORD_SIZE / 8) -#define WORDS_PER_BLOCK (BLOCK_SIZE / WORD_SIZE) - -#if (WORD_SIZE==64) - typedef uint64_t word_t; - #define ONE 1ULL - #define MUL_SHIFT 6 - #define WFMT "lx" - #define WPAD "016" - #define __builtin_bswap_wordsize(x) __builtin_bswap64(x) -#elif (WORD_SIZE==32) - typedef uint32_t word_t; - #define ONE 1UL - #define MUL_SHIFT 5 - #define WFMT "x" - #define WPAD "08" - #define __builtin_bswap_wordsize(x) __builtin_bswap32(x) -#elif (WORD_SIZE==16) - typedef uint16_t word_t; - #define ONE 1 - #define MUL_SHIFT 4 - #define WFMT "hx" - #define WPAD "04" - #define __builtin_bswap_wordsize(x) __builtin_bswap16(x) -#elif (WORD_SIZE==8) - typedef uint8_t word_t; - #define ONE 1 - #define MUL_SHIFT 3 - #define WFMT "hhx" - #define WPAD "02" - #define __builtin_bswap_wordsize(x) (x) -#else -#error "invalid word size" -#endif - -void bs_transpose(word_t * blocks); -void bs_transpose_rev(word_t * blocks); -void bs_transpose_dst(word_t * transpose, word_t * blocks); - -void bs_sbox(word_t U[8]); -void bs_sbox_rev(word_t U[8]); - -void bs_shiftrows(word_t * B); -void bs_shiftrows_rev(word_t * B); - -void bs_mixcolumns(word_t * B); -void bs_mixcolumns_rev(word_t * B); - -void bs_shiftmix(word_t * B); - -void bs_addroundkey(word_t * B, word_t * rk); -void bs_apply_sbox(word_t * input); -void bs_apply_sbox_rev(word_t * input); - - -void expand_key(unsigned char *in); -void bs_expand_key(word_t (* rk)[BLOCK_SIZE], uint8_t * key); - -void bs_cipher(word_t state[BLOCK_SIZE], word_t (* rk)[BLOCK_SIZE]); -void bs_cipher_rev(word_t state[BLOCK_SIZE], word_t (* rk)[BLOCK_SIZE]); - - -void dump_hex(uint8_t * h, int len); -void dump_word(word_t * h, int len); -void dump_block(word_t * h, int len); - -#define MIN(X,Y) ((X) < (Y) ? (X) : (Y)) -#define MAX(X,Y) ((X) > (Y) ? (X) : (Y)) - -void aes_ecb_encrypt(uint8_t * outputb, uint8_t * inputb, size_t size, uint8_t * key) -{ - word_t input_space[BLOCK_SIZE]; - word_t rk[11][BLOCK_SIZE]; - - memset(outputb,0,size); - word_t * state = (word_t *)outputb; - - bs_expand_key(rk, key); - - while (size > 0) - { - if (size < BS_BLOCK_SIZE) - { - memset(input_space,0,BS_BLOCK_SIZE); - memmove(input_space, inputb, size); - bs_cipher(input_space,rk); - memmove(outputb, input_space, size); - size = 0; - state += size; - } - else - { - memmove(state,inputb,BS_BLOCK_SIZE); - bs_cipher(state,rk); - size -= BS_BLOCK_SIZE; - state += BS_BLOCK_SIZE; - } - - } -} - -void aes_ecb_decrypt(uint8_t * outputb, uint8_t * inputb, size_t size, uint8_t * key) -{ - word_t input_space[BLOCK_SIZE]; - word_t rk[11][BLOCK_SIZE]; - - memset(outputb,0,size); - word_t * state = (word_t *)outputb; - - bs_expand_key(rk, key); - - while (size > 0) - { - if (size < BS_BLOCK_SIZE) - { - memset(input_space,0,BS_BLOCK_SIZE); - memmove(input_space, inputb, size); - bs_cipher_rev(input_space,rk); - memmove(outputb, input_space, size); - size = 0; - state += size; - } - else - { - memmove(state,inputb,BS_BLOCK_SIZE); - bs_cipher_rev(state,rk); - size -= BS_BLOCK_SIZE; - state += BS_BLOCK_SIZE; - } - - } -} - -static void INC_CTR(uint8_t * ctr, uint8_t i) -{ - ctr += BLOCK_SIZE/8 - 1; - uint8_t n = *(ctr); - *ctr += i; - while(*ctr < n) - { - ctr--; - n = *ctr; - (*ctr)++; - } -} - -void aes_ctr_encrypt(uint8_t * outputb, uint8_t * inputb, size_t size, uint8_t * key, uint8_t * iv) -{ - word_t rk[11][BLOCK_SIZE]; - word_t ctr[BLOCK_SIZE]; - uint8_t iv_copy[BLOCK_SIZE/8]; - - memset(outputb,0,size); - memset(ctr,0,sizeof(ctr)); - memmove(iv_copy,iv,BLOCK_SIZE/8); - - word_t * state = (word_t *)outputb; - bs_expand_key(rk, key); - - do - { - int chunk = MIN(size, BS_BLOCK_SIZE); - int blocks = chunk / (BLOCK_SIZE/8); - if (chunk % (BLOCK_SIZE/8)) - { - blocks++; - } - - int i; - for (i = 0; i < blocks; i++) - { - memmove(ctr + (i * WORDS_PER_BLOCK), iv_copy, BLOCK_SIZE/8); - INC_CTR(iv_copy,1); - } - - bs_cipher(ctr, rk); - size -= chunk; - - uint8_t * ctr_p = (uint8_t *) ctr; - while(chunk--) - { - *outputb++ = *ctr_p++ ^ *inputb++; - } - - } - while(size); - -} - -void dump_hex(uint8_t * h, int len) -{ - while(len--) - printf("%02hhx",*h++); - printf("\n"); -} - -void dump_word(word_t * h, int len) -{ - while(len--) - if ((len+1) % 8) printf("%" WPAD WFMT "\n",*h++); - else printf("%d:\n%" WPAD WFMT "\n",128-len-1,*h++); - - printf("\n"); -} - -void dump_block(word_t * h, int len) -{ - while(len-=2 >= 0) - printf("%" WPAD WFMT"%" WPAD WFMT "\n",*h++,*h++); - printf("\n"); -} - -static const uint8_t sbox[256] = { - //0 1 2 3 4 5 6 7 8 9 A B C D E F - 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, - 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, - 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, - 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, - 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, - 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, - 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, - 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, - 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, - 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, - 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, - 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, - 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, - 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, - 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, - 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 }; - -static void rotate(unsigned char *in) { - unsigned char a,c; - a = in[0]; - for(c=0;c<3;c++) - in[c] = in[c + 1]; - in[3] = a; - return; -} - -/* Calculate the rcon used in key expansion */ -static unsigned char rcon(unsigned char in) { - unsigned char c=1; - if(in == 0) - return 0; - while(in != 1) { - unsigned char b; - b = c & 0x80; - c <<= 1; - if(b == 0x80) { - c ^= 0x1b; - } - in--; - } - return c; -} - -/* This is the core key expansion, which, given a 4-byte value, - * does some scrambling */ -static void schedule_core(unsigned char *in, unsigned char i) { - char a; - /* Rotate the input 8 bits to the left */ - rotate(in); - /* Apply Rijndael's s-box on all 4 bytes */ - for(a = 0; a < 4; a++) - in[a] = sbox[in[a]]; - /* On just the first byte, add 2^i to the byte */ - in[0] ^= rcon(i); -} - -void expand_key(unsigned char *in) { - unsigned char t[4]; - /* c is 16 because the first sub-key is the user-supplied key */ - unsigned char c = 16; - unsigned char i = 1; - unsigned char a; - - /* We need 11 sets of sixteen bytes each for 128-bit mode */ - while(c < 176) { - /* Copy the temporary variable over from the last 4-byte - * block */ - for(a = 0; a < 4; a++) - t[a] = in[a + c - 4]; - /* Every four blocks (of four bytes), - * do a complex calculation */ - if(c % 16 == 0) { - schedule_core(t,i); - i++; - } - for(a = 0; a < 4; a++) { - in[c] = in[c - 16] ^ t[a]; - c++; - } - } -} - -#if (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) ||\ - defined(__amd64__) || defined(__amd32__)|| defined(__amd16__) -#define bs2le(x) (x) -#define bs2be(x) (x) -#elif (defined(__BYTE_ORDER__) && __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) ||\ - (defined(__sparc__)) -#define bs2le(x) __builtin_bswap_wordsize(x) -#define bs2be(x) __builtin_bswap_wordsize(x) -#else -#error "endianness not supported" -#endif - - -void bs_addroundkey(word_t * B, word_t * rk) -{ - int i; - for (i = 0; i < BLOCK_SIZE; i++) - B[i] ^= rk[i]; -} - -void bs_apply_sbox(word_t * input) -{ - int i; - for(i=0; i < BLOCK_SIZE; i+=8) - { - bs_sbox(input+i); - } -} - -void bs_apply_sbox_rev(word_t * input) -{ - int i; - for(i=0; i < BLOCK_SIZE; i+=8) - { - bs_sbox_rev(input+i); - } -} - -/*July 2011*/ -/*Straight-line program for AES s box*/ - -/*Input is U[0], U[1],...,U[7]*/ -/*Output is S[0], S[1],...,S[7]*/ -// http://cs-www.cs.yale.edu/homes/peralta/CircuitStuff/CMT.html -void bs_sbox_rev(word_t U[8]) -{ - word_t W[8]; - word_t - T1,T2,T3,T4,T5,T6,T8, - T9,T10,T13,T14,T15,T16, - T17,T18,T19,T20,T22,T23,T24, - T25, T26, T27; - - word_t - M1,M2,M3,M4,M5,M6,M7,M8, - M9,M10,M11,M12,M13,M14,M15, - M16,M17,M18,M19,M20,M21,M22, - M23,M24,M25,M26,M27,M28,M29, - M30,M31,M32,M33,M34,M35,M36, - M37,M38,M39,M40,M41,M42,M43, - M44,M45,M46,M47,M48,M49,M50, - M51,M52,M53,M54,M55,M56,M57, - M58,M59,M60,M61,M62,M63; - - word_t - P0,P1,P2,P3,P4,P5,P6,P7,P8, - P9,P10,P11,P12,P13,P14, - P15,P16,P17,P18,P19,P20, - P21,P22,P23,P24,P25,P26, - P27,P28,P29; - - word_t Y5, - R5, R13, R17, R18, R19; - - - T23 = U[7] ^ U[4]; - T22 = ~(U[6] ^ U[4]); - T2 = ~(U[7] ^ U[6]); - T1 = U[4] ^ U[3]; - T24 = ~(U[3] ^ U[0]); - R5 = U[1] ^ U[0]; - T8 = ~(U[6] ^ T23); - T19 = T22 ^ R5; - T9 = ~(U[0] ^ T1); - T10 = T2 ^ T24; - T13 = T2 ^ R5; - T3 = T1 ^ R5; - T25 = ~(U[5] ^ T1); - R13 = U[6] ^ U[1]; - T17 = ~(U[5] ^ T19); - T20 = T24 ^ R13; - T4 = U[3] ^ T8; - R17 = ~(U[5] ^ U[2]); - R18 = ~(U[2] ^ U[1]); - R19 = ~(U[5] ^ U[3]); - Y5 = U[7] ^ R17; - T6 = T22 ^ R17; - T16 = R13 ^ R19; - T27 = T1 ^ R18; - T15 = T10 ^ T27; - T14 = T10 ^ R18; - T26 = T3 ^ T16; - M1 = T13 & T6; - M2 = T23 & T8; - M3 = T14 ^ M1; - M4 = T19 & Y5; - M5 = M4 ^ M1; - M6 = T3 & T16; - M7 = T22 & T9; - M8 = T26 ^ M6; - M9 = T20 & T17; - M10 = M9 ^ M6; - M11 = T1 & T15; - M12 = T4 & T27; - M13 = M12 ^ M11; - M14 = T2 & T10; - M15 = M14 ^ M11; - M16 = M3 ^ M2; - M17 = M5 ^ T24; - M18 = M8 ^ M7; - M19 = M10 ^ M15; - M20 = M16 ^ M13; - M21 = M17 ^ M15; - M22 = M18 ^ M13; - M23 = M19 ^ T25; - M24 = M22 ^ M23; - M25 = M22 & M20; - M26 = M21 ^ M25; - M27 = M20 ^ M21; - M28 = M23 ^ M25; - M29 = M28 & M27; - M30 = M26 & M24; - M31 = M20 & M23; - M32 = M27 & M31; - M33 = M27 ^ M25; - M34 = M21 & M22; - M35 = M24 & M34; - M36 = M24 ^ M25; - M37 = M21 ^ M29; - M38 = M32 ^ M33; - M39 = M23 ^ M30; - M40 = M35 ^ M36; - M41 = M38 ^ M40; - M42 = M37 ^ M39; - M43 = M37 ^ M38; - M44 = M39 ^ M40; - M45 = M42 ^ M41; - M46 = M44 & T6; - M47 = M40 & T8; - M48 = M39 & Y5; - M49 = M43 & T16; - M50 = M38 & T9; - M51 = M37 & T17; - M52 = M42 & T15; - M53 = M45 & T27; - M54 = M41 & T10; - M55 = M44 & T13; - M56 = M40 & T23; - M57 = M39 & T19; - M58 = M43 & T3; - M59 = M38 & T22; - M60 = M37 & T20; - M61 = M42 & T1; - M62 = M45 & T4; - M63 = M41 & T2; - P0 = M52 ^ M61; - P1 = M58 ^ M59; - P2 = M54 ^ M62; - P3 = M47 ^ M50; - P4 = M48 ^ M56; - P5 = M46 ^ M51; - P6 = M49 ^ M60; - P7 = P0 ^ P1; - P8 = M50 ^ M53; - P9 = M55 ^ M63; - P10 = M57 ^ P4; - P11 = P0 ^ P3; - P12 = M46 ^ M48; - P13 = M49 ^ M51; - P14 = M49 ^ M62; - P15 = M54 ^ M59; - P16 = M57 ^ M61; - P17 = M58 ^ P2; - P18 = M63 ^ P5; - P19 = P2 ^ P3; - P20 = P4 ^ P6; - P22 = P2 ^ P7; - P23 = P7 ^ P8; - P24 = P5 ^ P7; - P25 = P6 ^ P10; - P26 = P9 ^ P11; - P27 = P10 ^ P18; - P28 = P11 ^ P25; - P29 = P15 ^ P20; - W[7] = P13 ^ P22; - W[6] = P26 ^ P29; - W[5] = P17 ^ P28; - W[4] = P12 ^ P22; - W[3] = P23 ^ P27; - W[2] = P19 ^ P24; - W[1] = P14 ^ P23; - W[0] = P9 ^ P16; - - memmove(U,W,sizeof(W)); -} - -void bs_sbox(word_t U[8]) -{ - word_t S[8]; - word_t - T1,T2,T3,T4,T5,T6,T7,T8, - T9,T10,T11,T12,T13,T14,T15,T16, - T17,T18,T19,T20,T21,T22,T23,T24, - T25, T26, T27; - - word_t - M1,M2,M3,M4,M5,M6,M7,M8, - M9,M10,M11,M12,M13,M14,M15, - M16,M17,M18,M19,M20,M21,M22, - M23,M24,M25,M26,M27,M28,M29, - M30,M31,M32,M33,M34,M35,M36, - M37,M38,M39,M40,M41,M42,M43, - M44,M45,M46,M47,M48,M49,M50, - M51,M52,M53,M54,M55,M56,M57, - M58,M59,M60,M61,M62,M63; - - word_t - L0,L1,L2,L3,L4,L5,L6,L7,L8, - L9,L10,L11,L12,L13,L14, - L15,L16,L17,L18,L19,L20, - L21,L22,L23,L24,L25,L26, - L27,L28,L29; - - T1 = U[7] ^ U[4]; - T2 = U[7] ^ U[2]; - T3 = U[7] ^ U[1]; - T4 = U[4] ^ U[2]; - T5 = U[3] ^ U[1]; - T6 = T1 ^ T5; - T7 = U[6] ^ U[5]; - T8 = U[0] ^ T6; - T9 = U[0] ^ T7; - T10 = T6 ^ T7; - T11 = U[6] ^ U[2]; - T12 = U[5] ^ U[2]; - T13 = T3 ^ T4; - T14 = T6 ^ T11; - T15 = T5 ^ T11; - T16 = T5 ^ T12; - T17 = T9 ^ T16; - T18 = U[4] ^ U[0]; - T19 = T7 ^ T18; - T20 = T1 ^ T19; - T21 = U[1] ^ U[0]; - T22 = T7 ^ T21; - T23 = T2 ^ T22; - T24 = T2 ^ T10; - T25 = T20 ^ T17; - T26 = T3 ^ T16; - T27 = T1 ^ T12; - M1 = T13 & T6; - M2 = T23 & T8; - M3 = T14 ^ M1; - M4 = T19 & U[0]; - M5 = M4 ^ M1; - M6 = T3 & T16; - M7 = T22 & T9; - M8 = T26 ^ M6; - M9 = T20 & T17; - M10 = M9 ^ M6; - M11 = T1 & T15; - M12 = T4 & T27; - M13 = M12 ^ M11; - M14 = T2 & T10; - M15 = M14 ^ M11; - M16 = M3 ^ M2; - M17 = M5 ^ T24; - M18 = M8 ^ M7; - M19 = M10 ^ M15; - M20 = M16 ^ M13; - M21 = M17 ^ M15; - M22 = M18 ^ M13; - M23 = M19 ^ T25; - M24 = M22 ^ M23; - M25 = M22 & M20; - M26 = M21 ^ M25; - M27 = M20 ^ M21; - M28 = M23 ^ M25; - M29 = M28 & M27; - M30 = M26 & M24; - M31 = M20 & M23; - M32 = M27 & M31; - M33 = M27 ^ M25; - M34 = M21 & M22; - M35 = M24 & M34; - M36 = M24 ^ M25; - M37 = M21 ^ M29; - M38 = M32 ^ M33; - M39 = M23 ^ M30; - M40 = M35 ^ M36; - M41 = M38 ^ M40; - M42 = M37 ^ M39; - M43 = M37 ^ M38; - M44 = M39 ^ M40; - M45 = M42 ^ M41; - M46 = M44 & T6; - M47 = M40 & T8; - M48 = M39 & U[0]; - M49 = M43 & T16; - M50 = M38 & T9; - M51 = M37 & T17; - M52 = M42 & T15; - M53 = M45 & T27; - M54 = M41 & T10; - M55 = M44 & T13; - M56 = M40 & T23; - M57 = M39 & T19; - M58 = M43 & T3; - M59 = M38 & T22; - M60 = M37 & T20; - M61 = M42 & T1; - M62 = M45 & T4; - M63 = M41 & T2; - L0 = M61 ^ M62; - L1 = M50 ^ M56; - L2 = M46 ^ M48; - L3 = M47 ^ M55; - L4 = M54 ^ M58; - L5 = M49 ^ M61; - L6 = M62 ^ L5; - L7 = M46 ^ L3; - L8 = M51 ^ M59; - L9 = M52 ^ M53; - L10 = M53 ^ L4; - L11 = M60 ^ L2; - L12 = M48 ^ M51; - L13 = M50 ^ L0; - L14 = M52 ^ M61; - L15 = M55 ^ L1; - L16 = M56 ^ L0; - L17 = M57 ^ L1; - L18 = M58 ^ L8; - L19 = M63 ^ L4; - L20 = L0 ^ L1; - L21 = L1 ^ L7; - L22 = L3 ^ L12; - L23 = L18 ^ L2; - L24 = L15 ^ L9; - L25 = L6 ^ L10; - L26 = L7 ^ L9; - L27 = L8 ^ L10; - L28 = L11 ^ L14; - L29 = L11 ^ L17; - S[7] = L6 ^ L24; - S[6] = ~(L16 ^ L26); - S[5] = ~(L19 ^ L28); - S[4] = L6 ^ L21; - S[3] = L20 ^ L22; - S[2] = L25 ^ L29; - S[1] = ~(L13 ^ L27); - S[0] = ~(L6 ^ L23); - - memmove(U,S,sizeof(S)); -} - -void bs_transpose(word_t * blocks) -{ - word_t transpose[BLOCK_SIZE]; - memset(transpose, 0, sizeof(transpose)); - bs_transpose_dst(transpose,blocks); - memmove(blocks,transpose,sizeof(transpose)); -} - -void bs_transpose_dst(word_t * transpose, word_t * blocks) -{ - int i,k; - word_t w; - for(k=0; k < WORD_SIZE; k++) - { - int bitpos = ONE << k; - for (i=0; i < WORDS_PER_BLOCK; i++) - { - w = bs2le(blocks[k * WORDS_PER_BLOCK + i]); - int offset = i << MUL_SHIFT; - -#ifndef UNROLL_TRANSPOSE - int j; - for(j=0; j < WORD_SIZE; j++) - { - // TODO make const time - transpose[offset + j] |= (w & (ONE << j)) ? bitpos : 0; - } -#else - - transpose[(offset)+ 0 ] |= (w & (ONE << 0 )) ? (bitpos) : 0; - transpose[(offset)+ 1 ] |= (w & (ONE << 1 )) ? (bitpos) : 0; - transpose[(offset)+ 2 ] |= (w & (ONE << 2 )) ? (bitpos) : 0; - transpose[(offset)+ 3 ] |= (w & (ONE << 3 )) ? (bitpos) : 0; - transpose[(offset)+ 4 ] |= (w & (ONE << 4 )) ? (bitpos) : 0; - transpose[(offset)+ 5 ] |= (w & (ONE << 5 )) ? (bitpos) : 0; - transpose[(offset)+ 6 ] |= (w & (ONE << 6 )) ? (bitpos) : 0; - transpose[(offset)+ 7 ] |= (w & (ONE << 7 )) ? (bitpos) : 0; -#if WORD_SIZE > 8 - transpose[(offset)+ 8 ] |= (w & (ONE << 8 )) ? (bitpos) : 0; - transpose[(offset)+ 9 ] |= (w & (ONE << 9 )) ? (bitpos) : 0; - transpose[(offset)+ 10] |= (w & (ONE << 10)) ? (bitpos) : 0; - transpose[(offset)+ 11] |= (w & (ONE << 11)) ? (bitpos) : 0; - transpose[(offset)+ 12] |= (w & (ONE << 12)) ? (bitpos) : 0; - transpose[(offset)+ 13] |= (w & (ONE << 13)) ? (bitpos) : 0; - transpose[(offset)+ 14] |= (w & (ONE << 14)) ? (bitpos) : 0; - transpose[(offset)+ 15] |= (w & (ONE << 15)) ? (bitpos) : 0; -#endif -#if WORD_SIZE > 16 - transpose[(offset)+ 16] |= (w & (ONE << 16)) ? (bitpos) : 0; - transpose[(offset)+ 17] |= (w & (ONE << 17)) ? (bitpos) : 0; - transpose[(offset)+ 18] |= (w & (ONE << 18)) ? (bitpos) : 0; - transpose[(offset)+ 19] |= (w & (ONE << 19)) ? (bitpos) : 0; - transpose[(offset)+ 20] |= (w & (ONE << 20)) ? (bitpos) : 0; - transpose[(offset)+ 21] |= (w & (ONE << 21)) ? (bitpos) : 0; - transpose[(offset)+ 22] |= (w & (ONE << 22)) ? (bitpos) : 0; - transpose[(offset)+ 23] |= (w & (ONE << 23)) ? (bitpos) : 0; - transpose[(offset)+ 24] |= (w & (ONE << 24)) ? (bitpos) : 0; - transpose[(offset)+ 25] |= (w & (ONE << 25)) ? (bitpos) : 0; - transpose[(offset)+ 26] |= (w & (ONE << 26)) ? (bitpos) : 0; - transpose[(offset)+ 27] |= (w & (ONE << 27)) ? (bitpos) : 0; - transpose[(offset)+ 28] |= (w & (ONE << 28)) ? (bitpos) : 0; - transpose[(offset)+ 29] |= (w & (ONE << 29)) ? (bitpos) : 0; - transpose[(offset)+ 30] |= (w & (ONE << 30)) ? (bitpos) : 0; - transpose[(offset)+ 31] |= (w & (ONE << 31)) ? (bitpos) : 0; -#endif -#if WORD_SIZE > 32 - transpose[(offset)+ 32] |= (w & (ONE << 32)) ? (bitpos) : 0; - transpose[(offset)+ 33] |= (w & (ONE << 33)) ? (bitpos) : 0; - transpose[(offset)+ 34] |= (w & (ONE << 34)) ? (bitpos) : 0; - transpose[(offset)+ 35] |= (w & (ONE << 35)) ? (bitpos) : 0; - transpose[(offset)+ 36] |= (w & (ONE << 36)) ? (bitpos) : 0; - transpose[(offset)+ 37] |= (w & (ONE << 37)) ? (bitpos) : 0; - transpose[(offset)+ 38] |= (w & (ONE << 38)) ? (bitpos) : 0; - transpose[(offset)+ 39] |= (w & (ONE << 39)) ? (bitpos) : 0; - transpose[(offset)+ 40] |= (w & (ONE << 40)) ? (bitpos) : 0; - transpose[(offset)+ 41] |= (w & (ONE << 41)) ? (bitpos) : 0; - transpose[(offset)+ 42] |= (w & (ONE << 42)) ? (bitpos) : 0; - transpose[(offset)+ 43] |= (w & (ONE << 43)) ? (bitpos) : 0; - transpose[(offset)+ 44] |= (w & (ONE << 44)) ? (bitpos) : 0; - transpose[(offset)+ 45] |= (w & (ONE << 45)) ? (bitpos) : 0; - transpose[(offset)+ 46] |= (w & (ONE << 46)) ? (bitpos) : 0; - transpose[(offset)+ 47] |= (w & (ONE << 47)) ? (bitpos) : 0; - transpose[(offset)+ 48] |= (w & (ONE << 48)) ? (bitpos) : 0; - transpose[(offset)+ 49] |= (w & (ONE << 49)) ? (bitpos) : 0; - transpose[(offset)+ 50] |= (w & (ONE << 50)) ? (bitpos) : 0; - transpose[(offset)+ 51] |= (w & (ONE << 51)) ? (bitpos) : 0; - transpose[(offset)+ 52] |= (w & (ONE << 52)) ? (bitpos) : 0; - transpose[(offset)+ 53] |= (w & (ONE << 53)) ? (bitpos) : 0; - transpose[(offset)+ 54] |= (w & (ONE << 54)) ? (bitpos) : 0; - transpose[(offset)+ 55] |= (w & (ONE << 55)) ? (bitpos) : 0; - transpose[(offset)+ 56] |= (w & (ONE << 56)) ? (bitpos) : 0; - transpose[(offset)+ 57] |= (w & (ONE << 57)) ? (bitpos) : 0; - transpose[(offset)+ 58] |= (w & (ONE << 58)) ? (bitpos) : 0; - transpose[(offset)+ 59] |= (w & (ONE << 59)) ? (bitpos) : 0; - transpose[(offset)+ 60] |= (w & (ONE << 60)) ? (bitpos) : 0; - transpose[(offset)+ 61] |= (w & (ONE << 61)) ? (bitpos) : 0; - transpose[(offset)+ 62] |= (w & (ONE << 62)) ? (bitpos) : 0; - transpose[(offset)+ 63] |= (w & (ONE << 63)) ? (bitpos) : 0; -#endif -#endif - // constant time: - //transpose[(i<>(WORD_SIZE-1)) & (ONE< 8 - transpose[8 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 8 )) ? bitpos : 0; - transpose[9 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 9 )) ? bitpos : 0; - transpose[10 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 10)) ? bitpos : 0; - transpose[11 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 11)) ? bitpos : 0; - transpose[12 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 12)) ? bitpos : 0; - transpose[13 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 13)) ? bitpos : 0; - transpose[14 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 14)) ? bitpos : 0; - transpose[15 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 15)) ? bitpos : 0; -#endif -#if WORD_SIZE > 16 - transpose[16 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 16)) ? bitpos : 0; - transpose[17 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 17)) ? bitpos : 0; - transpose[18 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 18)) ? bitpos : 0; - transpose[19 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 19)) ? bitpos : 0; - transpose[20 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 20)) ? bitpos : 0; - transpose[21 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 21)) ? bitpos : 0; - transpose[22 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 22)) ? bitpos : 0; - transpose[23 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 23)) ? bitpos : 0; - transpose[24 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 24)) ? bitpos : 0; - transpose[25 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 25)) ? bitpos : 0; - transpose[26 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 26)) ? bitpos : 0; - transpose[27 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 27)) ? bitpos : 0; - transpose[28 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 28)) ? bitpos : 0; - transpose[29 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 29)) ? bitpos : 0; - transpose[30 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 30)) ? bitpos : 0; - transpose[31 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 31)) ? bitpos : 0; -#endif -#if WORD_SIZE > 32 - transpose[32 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 32)) ? bitpos : 0; - transpose[33 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 33)) ? bitpos : 0; - transpose[34 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 34)) ? bitpos : 0; - transpose[35 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 35)) ? bitpos : 0; - transpose[36 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 36)) ? bitpos : 0; - transpose[37 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 37)) ? bitpos : 0; - transpose[38 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 38)) ? bitpos : 0; - transpose[39 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 39)) ? bitpos : 0; - transpose[40 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 40)) ? bitpos : 0; - transpose[41 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 41)) ? bitpos : 0; - transpose[42 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 42)) ? bitpos : 0; - transpose[43 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 43)) ? bitpos : 0; - transpose[44 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 44)) ? bitpos : 0; - transpose[45 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 45)) ? bitpos : 0; - transpose[46 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 46)) ? bitpos : 0; - transpose[47 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 47)) ? bitpos : 0; - transpose[48 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 48)) ? bitpos : 0; - transpose[49 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 49)) ? bitpos : 0; - transpose[50 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 50)) ? bitpos : 0; - transpose[51 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 51)) ? bitpos : 0; - transpose[52 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 52)) ? bitpos : 0; - transpose[53 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 53)) ? bitpos : 0; - transpose[54 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 54)) ? bitpos : 0; - transpose[55 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 55)) ? bitpos : 0; - transpose[56 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 56)) ? bitpos : 0; - transpose[57 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 57)) ? bitpos : 0; - transpose[58 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 58)) ? bitpos : 0; - transpose[59 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 59)) ? bitpos : 0; - transpose[60 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 60)) ? bitpos : 0; - transpose[61 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 61)) ? bitpos : 0; - transpose[62 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 62)) ? bitpos : 0; - transpose[63 * WORDS_PER_BLOCK + (offset )] |= (w & (ONE << 63)) ? bitpos : 0; -#endif -#endif - } - memmove(blocks,transpose,sizeof(transpose)); -} - - -#define R0 0 -#define R1 8 -#define R2 16 -#define R3 24 - -#define B0 0 -#define B1 32 -#define B2 64 -#define B3 96 - -#define R0_shift (BLOCK_SIZE/4)*0 -#define R1_shift (BLOCK_SIZE/4)*1 -#define R2_shift (BLOCK_SIZE/4)*2 -#define R3_shift (BLOCK_SIZE/4)*3 -#define B_MOD (BLOCK_SIZE) - - -void bs_shiftrows(word_t * B) -{ - word_t Bp_space[BLOCK_SIZE]; - word_t * Bp = Bp_space; - word_t * Br0 = B + 0; - word_t * Br1 = B + 32; - word_t * Br2 = B + 64; - word_t * Br3 = B + 96; - uint8_t offsetr0 = 0; - uint8_t offsetr1 = 32; - uint8_t offsetr2 = 64; - uint8_t offsetr3 = 96; - - - int i; - for(i=0; i<4; i++) - { - Bp[B0 + 0] = Br0[0]; - Bp[B0 + 1] = Br0[1]; - Bp[B0 + 2] = Br0[2]; - Bp[B0 + 3] = Br0[3]; - Bp[B0 + 4] = Br0[4]; - Bp[B0 + 5] = Br0[5]; - Bp[B0 + 6] = Br0[6]; - Bp[B0 + 7] = Br0[7]; - Bp[B1 + 0] = Br1[0]; - Bp[B1 + 1] = Br1[1]; - Bp[B1 + 2] = Br1[2]; - Bp[B1 + 3] = Br1[3]; - Bp[B1 + 4] = Br1[4]; - Bp[B1 + 5] = Br1[5]; - Bp[B1 + 6] = Br1[6]; - Bp[B1 + 7] = Br1[7]; - Bp[B2 + 0] = Br2[0]; - Bp[B2 + 1] = Br2[1]; - Bp[B2 + 2] = Br2[2]; - Bp[B2 + 3] = Br2[3]; - Bp[B2 + 4] = Br2[4]; - Bp[B2 + 5] = Br2[5]; - Bp[B2 + 6] = Br2[6]; - Bp[B2 + 7] = Br2[7]; - Bp[B3 + 0] = Br3[0]; - Bp[B3 + 1] = Br3[1]; - Bp[B3 + 2] = Br3[2]; - Bp[B3 + 3] = Br3[3]; - Bp[B3 + 4] = Br3[4]; - Bp[B3 + 5] = Br3[5]; - Bp[B3 + 6] = Br3[6]; - Bp[B3 + 7] = Br3[7]; - - offsetr0 = (offsetr0 + BLOCK_SIZE/16 + BLOCK_SIZE/4) & 0x7f; - offsetr1 = (offsetr1 + BLOCK_SIZE/16 + BLOCK_SIZE/4) & 0x7f; - offsetr2 = (offsetr2 + BLOCK_SIZE/16 + BLOCK_SIZE/4) & 0x7f; - offsetr3 = (offsetr3 + BLOCK_SIZE/16 + BLOCK_SIZE/4) & 0x7f; - - Br0 = B + offsetr0; - Br1 = B + offsetr1; - Br2 = B + offsetr2; - Br3 = B + offsetr3; - - Bp += 8; - } - memmove(B,Bp_space,sizeof(Bp_space)); -} - - -void bs_shiftrows_rev(word_t * B) -{ - word_t Bp_space[BLOCK_SIZE]; - word_t * Bp = Bp_space; - word_t * Br0 = Bp + 0; - word_t * Br1 = Bp + 32; - word_t * Br2 = Bp + 64; - word_t * Br3 = Bp + 96; - uint8_t offsetr0 = 0; - uint8_t offsetr1 = 32; - uint8_t offsetr2 = 64; - uint8_t offsetr3 = 96; - - - int i; - for(i=0; i<4; i++) - { - Br0[0] = B[B0 + 0]; - Br0[1] = B[B0 + 1]; - Br0[2] = B[B0 + 2]; - Br0[3] = B[B0 + 3]; - Br0[4] = B[B0 + 4]; - Br0[5] = B[B0 + 5]; - Br0[6] = B[B0 + 6]; - Br0[7] = B[B0 + 7]; - Br1[0] = B[B1 + 0]; - Br1[1] = B[B1 + 1]; - Br1[2] = B[B1 + 2]; - Br1[3] = B[B1 + 3]; - Br1[4] = B[B1 + 4]; - Br1[5] = B[B1 + 5]; - Br1[6] = B[B1 + 6]; - Br1[7] = B[B1 + 7]; - Br2[0] = B[B2 + 0]; - Br2[1] = B[B2 + 1]; - Br2[2] = B[B2 + 2]; - Br2[3] = B[B2 + 3]; - Br2[4] = B[B2 + 4]; - Br2[5] = B[B2 + 5]; - Br2[6] = B[B2 + 6]; - Br2[7] = B[B2 + 7]; - Br3[0] = B[B3 + 0]; - Br3[1] = B[B3 + 1]; - Br3[2] = B[B3 + 2]; - Br3[3] = B[B3 + 3]; - Br3[4] = B[B3 + 4]; - Br3[5] = B[B3 + 5]; - Br3[6] = B[B3 + 6]; - Br3[7] = B[B3 + 7]; - - offsetr0 = (offsetr0 + BLOCK_SIZE/16 + BLOCK_SIZE/4) & 0x7f; - offsetr1 = (offsetr1 + BLOCK_SIZE/16 + BLOCK_SIZE/4) & 0x7f; - offsetr2 = (offsetr2 + BLOCK_SIZE/16 + BLOCK_SIZE/4) & 0x7f; - offsetr3 = (offsetr3 + BLOCK_SIZE/16 + BLOCK_SIZE/4) & 0x7f; - - Br0 = Bp + offsetr0; - Br1 = Bp + offsetr1; - Br2 = Bp + offsetr2; - Br3 = Bp + offsetr3; - - B += 8; - } - memmove(B - 8 * 4,Bp_space,sizeof(Bp_space)); -} - - -#define A0 0 -#define A1 8 -#define A2 16 -#define A3 24 - -// Does shift rows and mix columns in same step -void bs_shiftmix(word_t * B) -{ - word_t Bp_space[BLOCK_SIZE]; - word_t * Bp = Bp_space; - - word_t * Br0 = B + 0; - word_t * Br1 = B + 32; - word_t * Br2 = B + 64; - word_t * Br3 = B + 96; - - uint8_t offsetr0 = 0; - uint8_t offsetr1 = 32; - uint8_t offsetr2 = 64; - uint8_t offsetr3 = 96; - - Br0 = B + offsetr0; - Br1 = B + offsetr1; - Br2 = B + offsetr2; - Br3 = B + offsetr3; - - - int i; - for (i = 0; i < 4; i++) - { - // B0 - // 2*A0 2*A1 A1 A2 A3 - word_t of =Br0[R0+7]^ Br1[R1+7]; - Bp[A0+0] = Br1[R1+0] ^ Br2[R2+0] ^ Br3[R3+0] ^ of; - Bp[A0+1] = Br0[R0+0] ^ Br1[R1+0] ^ Br1[R1+1] ^ Br2[R2+1] ^ Br3[R3+1] ^ of; - Bp[A0+2] = Br0[R0+1] ^ Br1[R1+1] ^ Br1[R1+2] ^ Br2[R2+2] ^ Br3[R3+2]; - Bp[A0+3] = Br0[R0+2] ^ Br1[R1+2] ^ Br1[R1+3] ^ Br2[R2+3] ^ Br3[R3+3] ^ of; - Bp[A0+4] = Br0[R0+3] ^ Br1[R1+3] ^ Br1[R1+4] ^ Br2[R2+4] ^ Br3[R3+4] ^ of; - Bp[A0+5] = Br0[R0+4] ^ Br1[R1+4] ^ Br1[R1+5] ^ Br2[R2+5] ^ Br3[R3+5]; - Bp[A0+6] = Br0[R0+5] ^ Br1[R1+5] ^ Br1[R1+6] ^ Br2[R2+6] ^ Br3[R3+6]; - Bp[A0+7] = Br0[R0+6] ^ Br1[R1+6] ^ Br1[R1+7] ^ Br2[R2+7] ^ Br3[R3+7]; - - // A0 2*A1 2*A2 A2 A3 - of = Br1[R1+7] ^ Br2[R2+7]; - Bp[A1+0] = Br0[R0+0] ^ Br2[R2+0] ^ Br3[R3+0] ^ of; - Bp[A1+1] = Br0[R0+1] ^ Br1[R1+0] ^ Br2[R2+0] ^ Br2[R2+1] ^ Br3[R3+1] ^ of; - Bp[A1+2] = Br0[R0+2] ^ Br1[R1+1] ^ Br2[R2+1] ^ Br2[R2+2] ^ Br3[R3+2]; - Bp[A1+3] = Br0[R0+3] ^ Br1[R1+2] ^ Br2[R2+2] ^ Br2[R2+3] ^ Br3[R3+3] ^ of; - Bp[A1+4] = Br0[R0+4] ^ Br1[R1+3] ^ Br2[R2+3] ^ Br2[R2+4] ^ Br3[R3+4] ^ of; - Bp[A1+5] = Br0[R0+5] ^ Br1[R1+4] ^ Br2[R2+4] ^ Br2[R2+5] ^ Br3[R3+5]; - Bp[A1+6] = Br0[R0+6] ^ Br1[R1+5] ^ Br2[R2+5] ^ Br2[R2+6] ^ Br3[R3+6]; - Bp[A1+7] = Br0[R0+7] ^ Br1[R1+6] ^ Br2[R2+6] ^ Br2[R2+7] ^ Br3[R3+7]; - - // A0 A1 2*A2 2*A3 A3 - of = Br2[R2+7] ^ Br3[R3+7]; - Bp[A2+0] = Br0[R0+0] ^ Br1[R1+0] ^ Br3[R3+0] ^ of; - Bp[A2+1] = Br0[R0+1] ^ Br1[R1+1] ^ Br2[R2+0] ^ Br3[R3+0] ^ Br3[R3+1] ^ of; - Bp[A2+2] = Br0[R0+2] ^ Br1[R1+2] ^ Br2[R2+1] ^ Br3[R3+1] ^ Br3[R3+2]; - Bp[A2+3] = Br0[R0+3] ^ Br1[R1+3] ^ Br2[R2+2] ^ Br3[R3+2] ^ Br3[R3+3] ^ of; - Bp[A2+4] = Br0[R0+4] ^ Br1[R1+4] ^ Br2[R2+3] ^ Br3[R3+3] ^ Br3[R3+4] ^ of; - Bp[A2+5] = Br0[R0+5] ^ Br1[R1+5] ^ Br2[R2+4] ^ Br3[R3+4] ^ Br3[R3+5]; - Bp[A2+6] = Br0[R0+6] ^ Br1[R1+6] ^ Br2[R2+5] ^ Br3[R3+5] ^ Br3[R3+6]; - Bp[A2+7] = Br0[R0+7] ^ Br1[R1+7] ^ Br2[R2+6] ^ Br3[R3+6] ^ Br3[R3+7]; - - // A0 2*A0 A1 A2 2*A3 - of = Br0[R0+7] ^ Br3[R3+7]; - Bp[A3+0] = Br0[R0+0] ^ Br1[R1+0] ^ Br2[R2+0] ^ of; - Bp[A3+1] = Br0[R0+1] ^ Br0[R0+0] ^ Br1[R1+1] ^ Br2[R2+1] ^ Br3[R3+0] ^ of; - Bp[A3+2] = Br0[R0+2] ^ Br0[R0+1] ^ Br1[R1+2] ^ Br2[R2+2] ^ Br3[R3+1]; - Bp[A3+3] = Br0[R0+3] ^ Br0[R0+2] ^ Br1[R1+3] ^ Br2[R2+3] ^ Br3[R3+2] ^ of; - Bp[A3+4] = Br0[R0+4] ^ Br0[R0+3] ^ Br1[R1+4] ^ Br2[R2+4] ^ Br3[R3+3] ^ of; - Bp[A3+5] = Br0[R0+5] ^ Br0[R0+4] ^ Br1[R1+5] ^ Br2[R2+5] ^ Br3[R3+4]; - Bp[A3+6] = Br0[R0+6] ^ Br0[R0+5] ^ Br1[R1+6] ^ Br2[R2+6] ^ Br3[R3+5]; - Bp[A3+7] = Br0[R0+7] ^ Br0[R0+6] ^ Br1[R1+7] ^ Br2[R2+7] ^ Br3[R3+6]; - - Bp += BLOCK_SIZE/4; - - offsetr0 = (offsetr0 + BLOCK_SIZE/4) & 0x7f; - offsetr1 = (offsetr1 + BLOCK_SIZE/4) & 0x7f; - offsetr2 = (offsetr2 + BLOCK_SIZE/4) & 0x7f; - offsetr3 = (offsetr3 + BLOCK_SIZE/4) & 0x7f; - - Br0 = B + offsetr0; - Br1 = B + offsetr1; - Br2 = B + offsetr2; - Br3 = B + offsetr3; - } - - memmove(B,Bp_space,sizeof(Bp_space)); -} - - - -void bs_mixcolumns(word_t * B) -{ - word_t Bp_space[BLOCK_SIZE]; - word_t * Bp = Bp_space; - // to understand this, see - // https://en.wikipedia.org/wiki/Rijndael_mix_columns - - int i = 0; - for (; i < 4; i++) - { - // of = A0 ^ A1; - // A0 = A0 ^ (0x1b & ((signed char)of>>7)); - - //// 2 * A0 - // A0 = A0 ^ (A0 << 1) - - //// + 3 * A1 - // A0 = A0 ^ (A1) - // A0 = A0 ^ (A1<<1) - - //// + A2 + A3 - // A0 = A0 ^ (A2) - // A0 = A0 ^ (A3) - // A0.7 A1.7 - word_t of = B[A0+7] ^ B[A1+7]; - - // 2*A0 2*A1 A1 A2 A3 - Bp[A0+0] = B[A1+0] ^ B[A2+0] ^ B[A3+0] ^ of; - Bp[A0+1] = B[A0+0] ^ B[A1+0] ^ B[A1+1] ^ B[A2+1] ^ B[A3+1] ^ of; - Bp[A0+2] = B[A0+1] ^ B[A1+1] ^ B[A1+2] ^ B[A2+2] ^ B[A3+2]; - Bp[A0+3] = B[A0+2] ^ B[A1+2] ^ B[A1+3] ^ B[A2+3] ^ B[A3+3] ^ of; - Bp[A0+4] = B[A0+3] ^ B[A1+3] ^ B[A1+4] ^ B[A2+4] ^ B[A3+4] ^ of; - Bp[A0+5] = B[A0+4] ^ B[A1+4] ^ B[A1+5] ^ B[A2+5] ^ B[A3+5]; - Bp[A0+6] = B[A0+5] ^ B[A1+5] ^ B[A1+6] ^ B[A2+6] ^ B[A3+6]; - Bp[A0+7] = B[A0+6] ^ B[A1+6] ^ B[A1+7] ^ B[A2+7] ^ B[A3+7]; - - - - // of = A1 ^ A2 - // A1 = A1 ^ (0x1b & ((signed char)of>>7)); - - //// A0 - // A1 = A1 ^ (A0) - - //// + 2 * A1 - // A1 = A1 ^ (A1 << 1) - - //// + 3 * A2 - // A1 = A1 ^ (A2) - // A1 = A1 ^ (A2<<1) - - //// + A3 - // A1 = A1 ^ (A3) - - of = B[A1+7] ^ B[A2+7]; - - // A0 2*A1 2*A2 A2 A3 - Bp[A1+0] = B[A0+0] ^ B[A2+0] ^ B[A3+0] ^ of; - Bp[A1+1] = B[A0+1] ^ B[A1+0] ^ B[A2+0] ^ B[A2+1] ^ B[A3+1] ^ of; - Bp[A1+2] = B[A0+2] ^ B[A1+1] ^ B[A2+1] ^ B[A2+2] ^ B[A3+2]; - Bp[A1+3] = B[A0+3] ^ B[A1+2] ^ B[A2+2] ^ B[A2+3] ^ B[A3+3] ^ of; - Bp[A1+4] = B[A0+4] ^ B[A1+3] ^ B[A2+3] ^ B[A2+4] ^ B[A3+4] ^ of; - Bp[A1+5] = B[A0+5] ^ B[A1+4] ^ B[A2+4] ^ B[A2+5] ^ B[A3+5]; - Bp[A1+6] = B[A0+6] ^ B[A1+5] ^ B[A2+5] ^ B[A2+6] ^ B[A3+6]; - Bp[A1+7] = B[A0+7] ^ B[A1+6] ^ B[A2+6] ^ B[A2+7] ^ B[A3+7]; - - - // of = A2 ^ A3 - // A2 = A2 ^ (0x1b & ((signed char)of>>7)); - - //// A0 + A1 - // A2 = A2 ^ (A0) - // A2 = A2 ^ (A1) - - //// + 2 * A2 - // A2 = A2 ^ (A2 << 1) - - //// + 3 * A3 - // A2 = A2 ^ (A3) - // A2 = A2 ^ (A3<<1) - - - of = B[A2+7] ^ B[A3+7]; - - // A0 A1 2*A2 2*A3 A3 - Bp[A2+0] = B[A0+0] ^ B[A1+0] ^ B[A3+0] ^ of; - Bp[A2+1] = B[A0+1] ^ B[A1+1] ^ B[A2+0] ^ B[A3+0] ^ B[A3+1] ^ of; - Bp[A2+2] = B[A0+2] ^ B[A1+2] ^ B[A2+1] ^ B[A3+1] ^ B[A3+2]; - Bp[A2+3] = B[A0+3] ^ B[A1+3] ^ B[A2+2] ^ B[A3+2] ^ B[A3+3] ^ of; - Bp[A2+4] = B[A0+4] ^ B[A1+4] ^ B[A2+3] ^ B[A3+3] ^ B[A3+4] ^ of; - Bp[A2+5] = B[A0+5] ^ B[A1+5] ^ B[A2+4] ^ B[A3+4] ^ B[A3+5]; - Bp[A2+6] = B[A0+6] ^ B[A1+6] ^ B[A2+5] ^ B[A3+5] ^ B[A3+6]; - Bp[A2+7] = B[A0+7] ^ B[A1+7] ^ B[A2+6] ^ B[A3+6] ^ B[A3+7]; - - - // A3 = A0 ^ A3 - // A3 = A3 ^ (0x1b & ((signed char)of>>7)); - - //// 3 * A0 - // A3 = A3 ^ (A0) - // A3 = A3 ^ (A0 << 1) - - //// + A1 + A2 - // A3 = A3 ^ A1 - // A3 = A3 ^ A2 - - //// + 2 * A3 - // A3 = A3 ^ (A3<<1) - - of = B[A0+7] ^ B[A3+7]; - - // 2*A0 A0 A1 A2 2*A3 - Bp[A3+0] = B[A0+0] ^ B[A1+0] ^ B[A2+0] ^ of; - Bp[A3+1] = B[A0+1] ^ B[A0+0] ^ B[A1+1] ^ B[A2+1] ^ B[A3+0] ^ of; - Bp[A3+2] = B[A0+2] ^ B[A0+1] ^ B[A1+2] ^ B[A2+2] ^ B[A3+1]; - Bp[A3+3] = B[A0+3] ^ B[A0+2] ^ B[A1+3] ^ B[A2+3] ^ B[A3+2] ^ of; - Bp[A3+4] = B[A0+4] ^ B[A0+3] ^ B[A1+4] ^ B[A2+4] ^ B[A3+3] ^ of; - Bp[A3+5] = B[A0+5] ^ B[A0+4] ^ B[A1+5] ^ B[A2+5] ^ B[A3+4]; - Bp[A3+6] = B[A0+6] ^ B[A0+5] ^ B[A1+6] ^ B[A2+6] ^ B[A3+5]; - Bp[A3+7] = B[A0+7] ^ B[A0+6] ^ B[A1+7] ^ B[A2+7] ^ B[A3+6]; - - - // - Bp += BLOCK_SIZE/4; - B += BLOCK_SIZE/4; - } - - - memmove(B - BLOCK_SIZE,Bp - BLOCK_SIZE,sizeof(Bp_space)); -} - -void bs_mixcolumns_rev(word_t * B) -{ - // to understand this, see - // https://en.wikipedia.org/wiki/Rijndael_mix_columns - // TODO combine with shiftrows for performance on decryption - word_t Bp_space[BLOCK_SIZE]; - word_t * Bp = Bp_space; - - - int i = 0; - for (; i < BLOCK_SIZE / 4; i += BLOCK_SIZE / 16) - { - - //// state[i][0] = A0*0x0e + A1*0x0b + A2*0x0d + A3*0x09 - // overflow: - /* A0 * 0b1110 */ /* A1 * 0b1011 */ /* A2 * 0b1101 */ /* A3 * 0b1001 */ - word_t of0 = ( (B[A0+7] ^ B[A0+6] ^ B[A0+5]) ^ (B[A1 + 7] ^ B[A1+5]) ^ (B[A2+6] ^ B[A2+5]) ^ ( B[A3+5] )); // 2 bit - word_t of1 = ( (B[A0+7] ^ B[A0+6]) ^ ( B[A1+6]) ^ (B[A2+7] ^ B[A2+6]) ^ ( B[A3+6] )); // 3 bit - word_t of2 = ( (B[A0+7]) ^ ( B[A1+7]) ^ ( B[A2+7]) ^ ( B[A3+7] )); // 4 bit - - // inverse: - // 1110 1011 1101 1001 - // A0 = A0 * 14 + A1 * 11 + A2 * 13 + A3 * 9 - // A0 = A0 * (2+4+8) + A1 * (1+2+8) + A2 * (1+4+8) + A3 * (1+8) - - // (2*A0 + 4*A0 + 8*A0 ) + (8*A1 + 2*A1 + A1 ) + ( A2 + 4*A2 + 8*A2 ) + ( A3 + 8*A3) - Bp[A0+0] = B[A1+0] ^ B[A2+0] ^ B[A3+0] ^ of0; - Bp[A0+1] = B[A0+0] ^ B[A1+0] ^ B[A1+1] ^ B[A2+1] ^ B[A3+1] ^ of0 ^ of1; - Bp[A0+2] = B[A0+1] ^ B[A0+0] ^ B[A1+1] ^ B[A1+2] ^ B[A2+2] ^ B[A2+0] ^ B[A3+2] ^ of1 ^ of2; - Bp[A0+3] = B[A0+2] ^ B[A0+1] ^ B[A0+0] ^ B[A1+0] ^ B[A1+2] ^ B[A1+3] ^ B[A2+3] ^ B[A2+1] ^ B[A2+0] ^ B[A3+3] ^ B[A3+0] ^ of0 ^ of2; - Bp[A0+4] = B[A0+3] ^ B[A0+2] ^ B[A0+1] ^ B[A1+1] ^ B[A1+3] ^ B[A1+4] ^ B[A2+4] ^ B[A2+2] ^ B[A2+1] ^ B[A3+4] ^ B[A3+1] ^ of0 ^ of1; - Bp[A0+5] = B[A0+4] ^ B[A0+3] ^ B[A0+2] ^ B[A1+2] ^ B[A1+4] ^ B[A1+5] ^ B[A2+5] ^ B[A2+3] ^ B[A2+2] ^ B[A3+5] ^ B[A3+2] ^ of1 ^ of2; - Bp[A0+6] = B[A0+5] ^ B[A0+4] ^ B[A0+3] ^ B[A1+3] ^ B[A1+5] ^ B[A1+6] ^ B[A2+6] ^ B[A2+4] ^ B[A2+3] ^ B[A3+6] ^ B[A3+3] ^ of2; - Bp[A0+7] = B[A0+6] ^ B[A0+5] ^ B[A0+4] ^ B[A1+4] ^ B[A1+6] ^ B[A1+7] ^ B[A2+7] ^ B[A2+5] ^ B[A2+4] ^ B[A3+7] ^ B[A3+4]; - - - - //// state[i][1] = A0*0x09 + A1*0xe + A2*0x0b + A3*0x0d - // overflow: - /* A0 * 0b1001 */ /* A1 * 0b1110 */ /* A2 * 0b101 1 */ /* A3 * 0b1101 */ - of0 = ( (B[A0+5]) ^ (B[A1+7] ^ B[A1+6] ^ B[A1+5]) ^ (B[A2 + 7] ^ B[A2+5]) ^ (B[A3+6] ^ B[A3+5])); // 2 bit - of1 = ( (B[A0+6]) ^ (B[A1+7] ^ B[A1+6]) ^ ( B[A2+6]) ^ (B[A3+7] ^ B[A3+6])); // 3 bit - of2 = ( (B[A0+7]) ^ (B[A1+7]) ^ ( B[A2+7]) ^ ( B[A3+7])); // 4 bit - - // inverse: - // 1001 1110 1011 1101 - // A1 = A0 * 9 + A1 * 14 + A2 * 11 + A3 * 13 - // A1 = A0 * (1+8) + A1 * (2+4+8) + A2 * (1+2+8) + A3 * (1+4+8) - - // (1*A0 + 8*A0 ) +(2*A1 + 4*A1 + 8*A1 ) + (1*A2 + 2*A2 + 8*A2 ) + (1*A3 + 4*A3 + 8*A3) - Bp[A1+0] = B[A0+0] ^ B[A2+0] ^ B[A3+0] ^ of0; - Bp[A1+1] = B[A0+1] ^ B[A1+0] ^ B[A2+1] ^ B[A2+0] ^ B[A3+1] ^ of0 ^ of1; - Bp[A1+2] = B[A0+2] ^ B[A1+1] ^ B[A1+0] ^ B[A2+2] ^ B[A2+1] ^ B[A3+2] ^ B[A3+0] ^ of1 ^ of2; - Bp[A1+3] = B[A0+3] ^ B[A0+0] ^ B[A1+2] ^ B[A1+1] ^ B[A1+0] ^ B[A2+3] ^ B[A2+2] ^ B[A2+0] ^ B[A3+3] ^ B[A3+1] ^ B[A3+0] ^ of0 ^ of2; - Bp[A1+4] = B[A0+4] ^ B[A0+1] ^ B[A1+3] ^ B[A1+2] ^ B[A1+1] ^ B[A2+4] ^ B[A2+3] ^ B[A2+1] ^ B[A3+4] ^ B[A3+2] ^ B[A3+1] ^ of0 ^ of1; - Bp[A1+5] = B[A0+5] ^ B[A0+2] ^ B[A1+4] ^ B[A1+3] ^ B[A1+2] ^ B[A2+5] ^ B[A2+4] ^ B[A2+2] ^ B[A3+5] ^ B[A3+3] ^ B[A3+2] ^ of1 ^ of2; - Bp[A1+6] = B[A0+6] ^ B[A0+3] ^ B[A1+5] ^ B[A1+4] ^ B[A1+3] ^ B[A2+6] ^ B[A2+5] ^ B[A2+3] ^ B[A3+6] ^ B[A3+4] ^ B[A3+3] ^ of2; - Bp[A1+7] = B[A0+7] ^ B[A0+4] ^ B[A1+6] ^ B[A1+5] ^ B[A1+4] ^ B[A2+7] ^ B[A2+6] ^ B[A2+4] ^ B[A3+7] ^ B[A3+5] ^ B[A3+4]; - - - //// state[i][2] = A0*0x0d + A1*0x09 + A2*0x0e + A3*0x0b - // overflow: - /* A1 * 0b1001 */ /* A2 * 0b1110 */ /* A3 * 0b1011 */ /* A0 * 0b1101 */ - of0 = ( (B[A1+5]) ^ (B[A2+7] ^ B[A2+6] ^ B[A2+5]) ^ (B[A3 + 7] ^ B[A3+5]) ^ (B[A0+6] ^ B[A0+5])); // 2 bit - of1 = ( (B[A1+6]) ^ (B[A2+7] ^ B[A2+6]) ^ ( B[A3+6]) ^ (B[A0+7] ^ B[A0+6])); // 3 bit - of2 = ( (B[A1+7]) ^ (B[A2+7]) ^ ( B[A3+7]) ^ ( B[A0+7])); // 4 bit - - // inverse: - // 1001 1110 1011 1101 - // A2 = A1 * 9 + A2 * 14 + A3 * 11 + A0 * 13 - // A2 = A1 * (1+8) + A2 * (2+4+8) + A3 * (1+2+8) + A0 * (1+4+8) - - // (1*A1 + 8*A1) + ( 2*A2 + 4*A2 + 8*A2) + (1*A3 2*A2 + 8*A2) + (1*A0 + 4*A0 + 8*A0) - Bp[A2+0] = B[A1+0] ^ B[A3+0] ^ B[A0+0] ^ of0; - Bp[A2+1] = B[A1+1] ^ B[A2+0] ^ B[A3+1] ^ B[A3+0] ^ B[A0+1] ^ of0 ^ of1; - Bp[A2+2] = B[A1+2] ^ B[A2+1] ^ B[A2+0] ^ B[A3+2] ^ B[A3+1] ^ B[A0+2] ^ B[A0+0] ^ of1 ^ of2; - Bp[A2+3] = B[A1+3] ^ B[A1+0] ^ B[A2+2] ^ B[A2+1] ^ B[A2+0] ^ B[A3+3] ^ B[A3+2] ^ B[A3+0] ^ B[A0+3] ^ B[A0+1] ^ B[A0+0] ^ of0 ^ of2; - Bp[A2+4] = B[A1+4] ^ B[A1+1] ^ B[A2+3] ^ B[A2+2] ^ B[A2+1] ^ B[A3+4] ^ B[A3+3] ^ B[A3+1] ^ B[A0+4] ^ B[A0+2] ^ B[A0+1] ^ of0 ^ of1; - Bp[A2+5] = B[A1+5] ^ B[A1+2] ^ B[A2+4] ^ B[A2+3] ^ B[A2+2] ^ B[A3+5] ^ B[A3+4] ^ B[A3+2] ^ B[A0+5] ^ B[A0+3] ^ B[A0+2] ^ of1 ^ of2; - Bp[A2+6] = B[A1+6] ^ B[A1+3] ^ B[A2+5] ^ B[A2+4] ^ B[A2+3] ^ B[A3+6] ^ B[A3+5] ^ B[A3+3] ^ B[A0+6] ^ B[A0+4] ^ B[A0+3] ^ of2; - Bp[A2+7] = B[A1+7] ^ B[A1+4] ^ B[A2+6] ^ B[A2+5] ^ B[A2+4] ^ B[A3+7] ^ B[A3+6] ^ B[A3+4] ^ B[A0+7] ^ B[A0+5] ^ B[A0+4]; - - - - //// state[i][3] = A0*0x0b + A1*0x0d + A2*0x09 + A3*0x0e - // overflow: - /* A2 * 0b1001 */ /* A3 * 0b1110 */ /* A0 * 0b1011 */ /* A1 * 0b1101 */ - of0 = ( (B[A2+5]) ^ (B[A3+7] ^ B[A3+6] ^ B[A3+5]) ^ (B[A0 + 7] ^ B[A0+5]) ^ (B[A1+6] ^ B[A1+5])); // 2 bit - of1 = ( (B[A2+6]) ^ (B[A3+7] ^ B[A3+6]) ^ ( B[A0+6]) ^ (B[A1+7] ^ B[A1+6])); // 3 bit - of2 = ( (B[A2+7]) ^ (B[A3+7]) ^ ( B[A0+7]) ^ ( B[A1+7])); // 4 bit - - // inverse: - // 1001 1110 1011 1101 - // A2 = A2 * 9 + A3 * 14 + A0 * 11 + A1 * 13 - // A2 = A2 * (1+8) + A3 * (2+4+8) + A0 * (1+2+8) + A1 * (1+4+8) - - // (1*A2 + 8*A2) + ( 2*A3 + 4*A3 + 8*A3) + (1*A0 2*A0 + 8*A0) + (1*A1 + 4*A1 + 8*A1) - Bp[A3+0] = B[A2+0] ^ B[A0+0] ^ B[A1+0] ^ of0; - Bp[A3+1] = B[A2+1] ^ B[A3+0] ^ B[A0+1] ^ B[A0+0] ^ B[A1+1] ^ of0 ^ of1; - Bp[A3+2] = B[A2+2] ^ B[A3+1] ^ B[A3+0] ^ B[A0+2] ^ B[A0+1] ^ B[A1+2] ^ B[A1+0] ^ of1 ^ of2; - Bp[A3+3] = B[A2+3] ^ B[A2+0] ^ B[A3+2] ^ B[A3+1] ^ B[A3+0] ^ B[A0+3] ^ B[A0+2] ^ B[A0+0] ^ B[A1+3] ^ B[A1+1] ^ B[A1+0] ^ of0 ^ of2; - Bp[A3+4] = B[A2+4] ^ B[A2+1] ^ B[A3+3] ^ B[A3+2] ^ B[A3+1] ^ B[A0+4] ^ B[A0+3] ^ B[A0+1] ^ B[A1+4] ^ B[A1+2] ^ B[A1+1] ^ of0 ^ of1; - Bp[A3+5] = B[A2+5] ^ B[A2+2] ^ B[A3+4] ^ B[A3+3] ^ B[A3+2] ^ B[A0+5] ^ B[A0+4] ^ B[A0+2] ^ B[A1+5] ^ B[A1+3] ^ B[A1+2] ^ of1 ^ of2; - Bp[A3+6] = B[A2+6] ^ B[A2+3] ^ B[A3+5] ^ B[A3+4] ^ B[A3+3] ^ B[A0+6] ^ B[A0+5] ^ B[A0+3] ^ B[A1+6] ^ B[A1+4] ^ B[A1+3] ^ of2; - Bp[A3+7] = B[A2+7] ^ B[A2+4] ^ B[A3+6] ^ B[A3+5] ^ B[A3+4] ^ B[A0+7] ^ B[A0+6] ^ B[A0+4] ^ B[A1+7] ^ B[A1+5] ^ B[A1+4]; - - Bp += BLOCK_SIZE/4; - B += BLOCK_SIZE/4; - } - - memmove(B - BLOCK_SIZE, Bp - BLOCK_SIZE,sizeof(Bp_space)); - -} - -void bs_expand_key(word_t (* rk)[BLOCK_SIZE], uint8_t * _key) -{ - // TODO integrate this better - uint8_t key[KEY_SCHEDULE_SIZE]; - memmove(key,_key,BLOCK_SIZE/8); - expand_key(key); - - int i, j = 0, k, l; - for (i = 0; i < KEY_SCHEDULE_SIZE; i += (BLOCK_SIZE/8)) - { - memmove(rk[j], key + i, BLOCK_SIZE / 8); - - for (k = WORDS_PER_BLOCK; k < 128; k += WORDS_PER_BLOCK) - { - for (l = 0; l < WORDS_PER_BLOCK; l++) - { - rk[j][k + l] = rk[j][l]; - } - } - bs_transpose(rk[j]); - j++; - } - -} - -void bs_cipher(word_t state[BLOCK_SIZE], word_t (* rk)[BLOCK_SIZE]) -{ - int round; - bs_transpose(state); - - - bs_addroundkey(state,rk[0]); - for (round = 1; round < 10; round++) - { - bs_apply_sbox(state); - /*bs_shiftrows(state);*/ - /*bs_mixcolumns(state);*/ - bs_shiftmix(state); - bs_addroundkey(state,rk[round]); - } - bs_apply_sbox(state); - bs_shiftrows(state); - bs_addroundkey(state,rk[10]); - bs_transpose_rev(state); -} - -void bs_cipher_rev(word_t state[BLOCK_SIZE], word_t (* rk)[BLOCK_SIZE]) -{ - int round; - bs_transpose(state); - - bs_addroundkey(state,rk[10]); - for (round = 9; round > 0; round--) - { - bs_shiftrows_rev(state); - bs_apply_sbox_rev(state); - bs_addroundkey(state,rk[round]); - bs_mixcolumns_rev(state); - } - bs_shiftrows_rev(state); - bs_apply_sbox_rev(state); - bs_addroundkey(state,rk[0]); - - bs_transpose_rev(state); -} - -void aes_ecb_test() -{ - uint8_t key_vector[16] = "\x2b\x7e\x15\x16\x28\xae\xd2\xa6\xab\xf7\x15\x88\x09\xcf\x4f\x3c"; - uint8_t pt_vector[16] = "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96\xe9\x3d\x7e\x11\x73\x93\x17\x2a"; - uint8_t ct_vector[16] = "\x3a\xd7\x7b\xb4\x0d\x7a\x36\x60\xa8\x9e\xca\xf3\x24\x66\xef\x97"; - uint8_t output[16]; - uint8_t input[16]; - - printf("AES ECB\n"); - - aes_ecb_encrypt(output, pt_vector,16,key_vector); - - - printf("cipher text: \n"); - dump_hex(output, 16); - - aes_ecb_decrypt(input, output, 16, key_vector); - - printf("plain text: \n"); - dump_hex((uint8_t * )input,16); - - if (memcmp(pt_vector, input, 16) != 0) - { - fprintf(stderr,"error: decrypted ciphertext is not the same as the input plaintext\n"); - EXIT1; - } - else if (memcmp(ct_vector, output, 16) != 0) - { - fprintf(stderr,"error: ciphertext is not the same as the test vector\n"); - EXIT1; - } - else - { - printf("ECB passes test vector\n\n"); - } -} - -void aes_ctr_test() -{ -// Test vector from NIST for 4 input blocks -#define AES_CTR_TESTS_BYTES 64 - - uint8_t key_vector[16] = - "\x2b\x7e\x15\x16\x28\xae\xd2\xa6\xab\xf7\x15\x88\x09\xcf\x4f\x3c"; - - uint8_t iv_vector[16] = - "\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff"; - - uint8_t pt_vector[AES_CTR_TESTS_BYTES] = - "\x6b\xc1\xbe\xe2\x2e\x40\x9f\x96\xe9\x3d\x7e\x11\x73\x93\x17\x2a" - "\xae\x2d\x8a\x57\x1e\x03\xac\x9c\x9e\xb7\x6f\xac\x45\xaf\x8e\x51" - "\x30\xc8\x1c\x46\xa3\x5c\xe4\x11\xe5\xfb\xc1\x19\x1a\x0a\x52\xef" - "\xf6\x9f\x24\x45\xdf\x4f\x9b\x17\xad\x2b\x41\x7b\xe6\x6c\x37\x10" - ; - - uint8_t ct_vector[AES_CTR_TESTS_BYTES] = - "\x87\x4d\x61\x91\xb6\x20\xe3\x26\x1b\xef\x68\x64\x99\x0d\xb6\xce" - "\x98\x06\xf6\x6b\x79\x70\xfd\xff\x86\x17\x18\x7b\xb9\xff\xfd\xff" - "\x5a\xe4\xdf\x3e\xdb\xd5\xd3\x5e\x5b\x4f\x09\x02\x0d\xb0\x3e\xab" - "\x1e\x03\x1d\xda\x2f\xbe\x03\xd1\x79\x21\x70\xa0\xf3\x00\x9c\xee" - ; - - uint8_t output[AES_CTR_TESTS_BYTES]; - uint8_t input[AES_CTR_TESTS_BYTES]; - - printf("AES CTR\n"); - - aes_ctr_encrypt(output,pt_vector,AES_CTR_TESTS_BYTES,key_vector, iv_vector); - - printf("cipher text: \n"); - dump_hex(output,AES_CTR_TESTS_BYTES); - - aes_ctr_decrypt(input,output,AES_CTR_TESTS_BYTES,key_vector, iv_vector); - - printf("plain text: \n"); - dump_hex(input,AES_CTR_TESTS_BYTES); - - if (memcmp(pt_vector, input, AES_CTR_TESTS_BYTES) != 0) - { - fprintf(stderr,"error: decrypted ciphertext is not the same as the input plaintext\n"); - EXIT1; - } - else if (memcmp(ct_vector, output, AES_CTR_TESTS_BYTES) != 0) - { - fprintf(stderr,"error: ciphertext is not the same as the test vector\n"); - EXIT1; - } - else - { - printf("CTR passes test vector\n\n"); - } - +int i[1]; +int j, bs_transpose_dst_k, k, s, o; +void a(int (*)[], uint8_t *); +void b(uint8_t c, uint8_t d, size_t e, uint8_t f, uint8_t g) { + int l[1]; + a(l, f); +} +void a(int (*l)[], uint8_t *m) { + for (; o < 76; o += 8) { + { + int *n = i; + bs_transpose_dst_k = 0; + for (; bs_transpose_dst_k < 64; bs_transpose_dst_k++) { + j = 0; + for (; j < 64; j++) { + k = &s; + n[j] = k & 1; + } + } + } + } +} +void aes_ecb_test() {} +void aes_ctr_test() { + uint8_t p = ""; + uint8_t q = ""; + uint8_t r = ""; + uint8_t output[4]; + b(output, r, 4, p, q); } diff --git a/test/monniaux/bitsliced-aes/one_file/reduce/bitsliced-aes_main.c b/test/monniaux/bitsliced-aes/one_file/reduce/bitsliced-aes_main.c index 71f67f0f..0d48b3b8 100644 --- a/test/monniaux/bitsliced-aes/one_file/reduce/bitsliced-aes_main.c +++ b/test/monniaux/bitsliced-aes/one_file/reduce/bitsliced-aes_main.c @@ -1,4 +1,4 @@ -#include "../../../clock.h" +#include "/home/monniaux/work/Kalray/CompCert/test/monniaux/clock.h" void aes_ecb_test(void); void aes_ctr_test(void); diff --git a/test/monniaux/bitsliced-aes/one_file/reduce/compare.sh b/test/monniaux/bitsliced-aes/one_file/reduce/compare.sh index e98f4677..a21bb465 100755 --- a/test/monniaux/bitsliced-aes/one_file/reduce/compare.sh +++ b/test/monniaux/bitsliced-aes/one_file/reduce/compare.sh @@ -1,7 +1,7 @@ #!/bin/bash ROOT=/home/monniaux/work/Kalray/CompCert SRC=bitsliced-aes_compute.c -MAIN=bitsliced-aes_main +MAIN=/home/monniaux/work/Kalray/CompCert/test/monniaux/bitsliced-aes/one_file/reduce/bitsliced-aes_main k1-mbr-gcc -Werror=implicit -Werror=uninitialized -O3 $SRC $ROOT/test/monniaux/clock.gcc.k1c.o $MAIN.gcc.k1c.o -o bitsliced-aes.gcc.k1c && $ROOT/ccomp -O3 -fno-unprototyped -O3 $SRC $ROOT/test/monniaux/clock.gcc.k1c.o $MAIN.gcc.k1c.o -o bitsliced-aes.ccomp.k1c && gcc -Werror=implicit -Werror=uninitialized -O3 $SRC $ROOT/test/monniaux/clock.gcc.host.o $MAIN.c -o bitsliced-aes.gcc.host && @@ -12,5 +12,5 @@ grep cycles ./bitsliced-aes.gcc.k1c.out > ./bitsliced-aes.gcc.k1c.cycles && grep cycles ./bitsliced-aes.ccomp.k1c.out > ./bitsliced-aes.ccomp.k1c.cycles && sed -i -e 's/cycles: //' ./bitsliced-aes.gcc.k1c.cycles && sed -i -e 's/cycles: //' ./bitsliced-aes.ccomp.k1c.cycles && -test $(cat ./bitsliced-aes.ccomp.k1c.cycles) -gt 300 && +test $(cat ./bitsliced-aes.gcc.k1c.cycles) -gt 100000 && test $(cat ./bitsliced-aes.ccomp.k1c.cycles) -gt $(expr 2 '*' $(cat ./bitsliced-aes.gcc.k1c.cycles)) -- cgit