| 1 | n/a | /* |
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| 2 | n/a | The Keccak sponge function, designed by Guido Bertoni, Joan Daemen, |
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| 3 | n/a | Michaël Peeters and Gilles Van Assche. For more information, feedback or |
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| 4 | n/a | questions, please refer to our website: http://keccak.noekeon.org/ |
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| 5 | n/a | |
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| 6 | n/a | Implementation by the designers, |
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| 7 | n/a | hereby denoted as "the implementer". |
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| 8 | n/a | |
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| 9 | n/a | To the extent possible under law, the implementer has waived all copyright |
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| 10 | n/a | and related or neighboring rights to the source code in this file. |
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| 11 | n/a | http://creativecommons.org/publicdomain/zero/1.0/ |
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| 12 | n/a | */ |
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| 13 | n/a | |
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| 14 | n/a | #include <string.h> |
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| 15 | n/a | /* #include "brg_endian.h" */ |
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| 16 | n/a | #include "KeccakF-1600-opt32-settings.h" |
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| 17 | n/a | #include "KeccakF-1600-interface.h" |
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| 18 | n/a | |
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| 19 | n/a | typedef unsigned char UINT8; |
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| 20 | n/a | typedef unsigned short UINT16; |
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| 21 | n/a | typedef unsigned int UINT32; |
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| 22 | n/a | /* typedef unsigned long long int UINT64; */ |
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| 23 | n/a | |
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| 24 | n/a | #ifdef UseInterleaveTables |
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| 25 | n/a | static int interleaveTablesBuilt = 0; |
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| 26 | n/a | static UINT16 interleaveTable[65536]; |
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| 27 | n/a | static UINT16 deinterleaveTable[65536]; |
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| 28 | n/a | |
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| 29 | n/a | static void buildInterleaveTables() |
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| 30 | n/a | { |
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| 31 | n/a | UINT32 i, j; |
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| 32 | n/a | UINT16 x; |
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| 33 | n/a | |
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| 34 | n/a | if (!interleaveTablesBuilt) { |
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| 35 | n/a | for(i=0; i<65536; i++) { |
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| 36 | n/a | x = 0; |
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| 37 | n/a | for(j=0; j<16; j++) { |
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| 38 | n/a | if (i & (1 << j)) |
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| 39 | n/a | x |= (1 << (j/2 + 8*(j%2))); |
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| 40 | n/a | } |
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| 41 | n/a | interleaveTable[i] = x; |
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| 42 | n/a | deinterleaveTable[x] = (UINT16)i; |
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| 43 | n/a | } |
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| 44 | n/a | interleaveTablesBuilt = 1; |
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| 45 | n/a | } |
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| 46 | n/a | } |
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| 47 | n/a | |
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| 48 | n/a | #if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN) |
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| 49 | n/a | |
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| 50 | n/a | #define xor2bytesIntoInterleavedWords(even, odd, source, j) \ |
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| 51 | n/a | i##j = interleaveTable[((const UINT16*)source)[j]]; \ |
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| 52 | n/a | ((UINT8*)even)[j] ^= i##j & 0xFF; \ |
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| 53 | n/a | ((UINT8*)odd)[j] ^= i##j >> 8; |
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| 54 | n/a | |
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| 55 | n/a | #define setInterleavedWordsInto2bytes(dest, even, odd, j) \ |
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| 56 | n/a | d##j = deinterleaveTable[((even >> (j*8)) & 0xFF) ^ (((odd >> (j*8)) & 0xFF) << 8)]; \ |
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| 57 | n/a | ((UINT16*)dest)[j] = d##j; |
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| 58 | n/a | |
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| 59 | n/a | #else /* (PLATFORM_BYTE_ORDER == IS_BIG_ENDIAN) */ |
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| 60 | n/a | |
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| 61 | n/a | #define xor2bytesIntoInterleavedWords(even, odd, source, j) \ |
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| 62 | n/a | i##j = interleaveTable[source[2*j] ^ ((UINT16)source[2*j+1] << 8)]; \ |
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| 63 | n/a | *even ^= (i##j & 0xFF) << (j*8); \ |
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| 64 | n/a | *odd ^= ((i##j >> 8) & 0xFF) << (j*8); |
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| 65 | n/a | |
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| 66 | n/a | #define setInterleavedWordsInto2bytes(dest, even, odd, j) \ |
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| 67 | n/a | d##j = deinterleaveTable[((even >> (j*8)) & 0xFF) ^ (((odd >> (j*8)) & 0xFF) << 8)]; \ |
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| 68 | n/a | dest[2*j] = d##j & 0xFF; \ |
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| 69 | n/a | dest[2*j+1] = d##j >> 8; |
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| 70 | n/a | |
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| 71 | n/a | #endif /* Endianness */ |
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| 72 | n/a | |
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| 73 | n/a | static void xor8bytesIntoInterleavedWords(UINT32 *even, UINT32 *odd, const UINT8* source) |
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| 74 | n/a | { |
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| 75 | n/a | UINT16 i0, i1, i2, i3; |
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| 76 | n/a | |
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| 77 | n/a | xor2bytesIntoInterleavedWords(even, odd, source, 0) |
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| 78 | n/a | xor2bytesIntoInterleavedWords(even, odd, source, 1) |
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| 79 | n/a | xor2bytesIntoInterleavedWords(even, odd, source, 2) |
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| 80 | n/a | xor2bytesIntoInterleavedWords(even, odd, source, 3) |
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| 81 | n/a | } |
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| 82 | n/a | |
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| 83 | n/a | #define xorLanesIntoState(laneCount, state, input) \ |
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| 84 | n/a | { \ |
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| 85 | n/a | int i; \ |
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| 86 | n/a | for(i=0; i<(laneCount); i++) \ |
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| 87 | n/a | xor8bytesIntoInterleavedWords(state+i*2, state+i*2+1, input+i*8); \ |
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| 88 | n/a | } |
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| 89 | n/a | |
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| 90 | n/a | static void setInterleavedWordsInto8bytes(UINT8* dest, UINT32 even, UINT32 odd) |
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| 91 | n/a | { |
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| 92 | n/a | UINT16 d0, d1, d2, d3; |
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| 93 | n/a | |
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| 94 | n/a | setInterleavedWordsInto2bytes(dest, even, odd, 0) |
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| 95 | n/a | setInterleavedWordsInto2bytes(dest, even, odd, 1) |
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| 96 | n/a | setInterleavedWordsInto2bytes(dest, even, odd, 2) |
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| 97 | n/a | setInterleavedWordsInto2bytes(dest, even, odd, 3) |
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| 98 | n/a | } |
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| 99 | n/a | |
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| 100 | n/a | #define extractLanes(laneCount, state, data) \ |
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| 101 | n/a | { \ |
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| 102 | n/a | int i; \ |
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| 103 | n/a | for(i=0; i<(laneCount); i++) \ |
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| 104 | n/a | setInterleavedWordsInto8bytes(data+i*8, ((UINT32*)state)[i*2], ((UINT32*)state)[i*2+1]); \ |
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| 105 | n/a | } |
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| 106 | n/a | |
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| 107 | n/a | #else /* No interleaving tables */ |
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| 108 | n/a | |
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| 109 | n/a | #if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN) |
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| 110 | n/a | |
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| 111 | n/a | /* Credit: Henry S. Warren, Hacker's Delight, Addison-Wesley, 2002 */ |
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| 112 | n/a | #define xorInterleavedLE(rateInLanes, state, input) \ |
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| 113 | n/a | { \ |
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| 114 | n/a | const UINT32 * pI = (const UINT32 *)input; \ |
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| 115 | n/a | UINT32 * pS = state; \ |
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| 116 | n/a | UINT32 t, x0, x1; \ |
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| 117 | n/a | int i; \ |
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| 118 | n/a | for (i = (rateInLanes)-1; i >= 0; --i) \ |
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| 119 | n/a | { \ |
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| 120 | n/a | x0 = *(pI++); \ |
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| 121 | n/a | t = (x0 ^ (x0 >> 1)) & 0x22222222UL; x0 = x0 ^ t ^ (t << 1); \ |
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| 122 | n/a | t = (x0 ^ (x0 >> 2)) & 0x0C0C0C0CUL; x0 = x0 ^ t ^ (t << 2); \ |
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| 123 | n/a | t = (x0 ^ (x0 >> 4)) & 0x00F000F0UL; x0 = x0 ^ t ^ (t << 4); \ |
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| 124 | n/a | t = (x0 ^ (x0 >> 8)) & 0x0000FF00UL; x0 = x0 ^ t ^ (t << 8); \ |
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| 125 | n/a | x1 = *(pI++); \ |
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| 126 | n/a | t = (x1 ^ (x1 >> 1)) & 0x22222222UL; x1 = x1 ^ t ^ (t << 1); \ |
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| 127 | n/a | t = (x1 ^ (x1 >> 2)) & 0x0C0C0C0CUL; x1 = x1 ^ t ^ (t << 2); \ |
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| 128 | n/a | t = (x1 ^ (x1 >> 4)) & 0x00F000F0UL; x1 = x1 ^ t ^ (t << 4); \ |
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| 129 | n/a | t = (x1 ^ (x1 >> 8)) & 0x0000FF00UL; x1 = x1 ^ t ^ (t << 8); \ |
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| 130 | n/a | *(pS++) ^= (UINT16)x0 | (x1 << 16); \ |
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| 131 | n/a | *(pS++) ^= (x0 >> 16) | (x1 & 0xFFFF0000); \ |
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| 132 | n/a | } \ |
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| 133 | n/a | } |
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| 134 | n/a | |
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| 135 | n/a | #define xorLanesIntoState(laneCount, state, input) \ |
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| 136 | n/a | xorInterleavedLE(laneCount, state, input) |
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| 137 | n/a | |
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| 138 | n/a | #else /* (PLATFORM_BYTE_ORDER == IS_BIG_ENDIAN) */ |
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| 139 | n/a | |
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| 140 | n/a | /* Credit: Henry S. Warren, Hacker's Delight, Addison-Wesley, 2002 */ |
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| 141 | n/a | UINT64 toInterleaving(UINT64 x) |
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| 142 | n/a | { |
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| 143 | n/a | UINT64 t; |
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| 144 | n/a | |
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| 145 | n/a | t = (x ^ (x >> 1)) & 0x2222222222222222ULL; x = x ^ t ^ (t << 1); |
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| 146 | n/a | t = (x ^ (x >> 2)) & 0x0C0C0C0C0C0C0C0CULL; x = x ^ t ^ (t << 2); |
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| 147 | n/a | t = (x ^ (x >> 4)) & 0x00F000F000F000F0ULL; x = x ^ t ^ (t << 4); |
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| 148 | n/a | t = (x ^ (x >> 8)) & 0x0000FF000000FF00ULL; x = x ^ t ^ (t << 8); |
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| 149 | n/a | t = (x ^ (x >> 16)) & 0x00000000FFFF0000ULL; x = x ^ t ^ (t << 16); |
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| 150 | n/a | |
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| 151 | n/a | return x; |
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| 152 | n/a | } |
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| 153 | n/a | |
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| 154 | n/a | static void xor8bytesIntoInterleavedWords(UINT32* evenAndOdd, const UINT8* source) |
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| 155 | n/a | { |
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| 156 | n/a | /* This can be optimized */ |
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| 157 | n/a | UINT64 sourceWord = |
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| 158 | n/a | (UINT64)source[0] |
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| 159 | n/a | ^ (((UINT64)source[1]) << 8) |
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| 160 | n/a | ^ (((UINT64)source[2]) << 16) |
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| 161 | n/a | ^ (((UINT64)source[3]) << 24) |
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| 162 | n/a | ^ (((UINT64)source[4]) << 32) |
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| 163 | n/a | ^ (((UINT64)source[5]) << 40) |
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| 164 | n/a | ^ (((UINT64)source[6]) << 48) |
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| 165 | n/a | ^ (((UINT64)source[7]) << 56); |
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| 166 | n/a | UINT64 evenAndOddWord = toInterleaving(sourceWord); |
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| 167 | n/a | evenAndOdd[0] ^= (UINT32)evenAndOddWord; |
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| 168 | n/a | evenAndOdd[1] ^= (UINT32)(evenAndOddWord >> 32); |
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| 169 | n/a | } |
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| 170 | n/a | |
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| 171 | n/a | #define xorLanesIntoState(laneCount, state, input) \ |
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| 172 | n/a | { \ |
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| 173 | n/a | int i; \ |
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| 174 | n/a | for(i=0; i<(laneCount); i++) \ |
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| 175 | n/a | xor8bytesIntoInterleavedWords(state+i*2, input+i*8); \ |
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| 176 | n/a | } |
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| 177 | n/a | |
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| 178 | n/a | #endif /* Endianness */ |
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| 179 | n/a | |
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| 180 | n/a | /* Credit: Henry S. Warren, Hacker's Delight, Addison-Wesley, 2002 */ |
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| 181 | n/a | UINT64 fromInterleaving(UINT64 x) |
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| 182 | n/a | { |
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| 183 | n/a | UINT64 t; |
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| 184 | n/a | |
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| 185 | n/a | t = (x ^ (x >> 16)) & 0x00000000FFFF0000ULL; x = x ^ t ^ (t << 16); |
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| 186 | n/a | t = (x ^ (x >> 8)) & 0x0000FF000000FF00ULL; x = x ^ t ^ (t << 8); |
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| 187 | n/a | t = (x ^ (x >> 4)) & 0x00F000F000F000F0ULL; x = x ^ t ^ (t << 4); |
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| 188 | n/a | t = (x ^ (x >> 2)) & 0x0C0C0C0C0C0C0C0CULL; x = x ^ t ^ (t << 2); |
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| 189 | n/a | t = (x ^ (x >> 1)) & 0x2222222222222222ULL; x = x ^ t ^ (t << 1); |
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| 190 | n/a | |
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| 191 | n/a | return x; |
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| 192 | n/a | } |
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| 193 | n/a | |
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| 194 | n/a | static void setInterleavedWordsInto8bytes(UINT8* dest, UINT32* evenAndOdd) |
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| 195 | n/a | { |
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| 196 | n/a | #if (PLATFORM_BYTE_ORDER == IS_LITTLE_ENDIAN) |
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| 197 | n/a | ((UINT64*)dest)[0] = fromInterleaving(*(UINT64*)evenAndOdd); |
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| 198 | n/a | #else /* (PLATFORM_BYTE_ORDER == IS_BIG_ENDIAN) */ |
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| 199 | n/a | /* This can be optimized */ |
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| 200 | n/a | UINT64 evenAndOddWord = (UINT64)evenAndOdd[0] ^ ((UINT64)evenAndOdd[1] << 32); |
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| 201 | n/a | UINT64 destWord = fromInterleaving(evenAndOddWord); |
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| 202 | n/a | dest[0] = destWord & 0xFF; |
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| 203 | n/a | dest[1] = (destWord >> 8) & 0xFF; |
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| 204 | n/a | dest[2] = (destWord >> 16) & 0xFF; |
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| 205 | n/a | dest[3] = (destWord >> 24) & 0xFF; |
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| 206 | n/a | dest[4] = (destWord >> 32) & 0xFF; |
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| 207 | n/a | dest[5] = (destWord >> 40) & 0xFF; |
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| 208 | n/a | dest[6] = (destWord >> 48) & 0xFF; |
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| 209 | n/a | dest[7] = (destWord >> 56) & 0xFF; |
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| 210 | n/a | #endif /* Endianness */ |
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| 211 | n/a | } |
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| 212 | n/a | |
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| 213 | n/a | #define extractLanes(laneCount, state, data) \ |
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| 214 | n/a | { \ |
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| 215 | n/a | int i; \ |
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| 216 | n/a | for(i=0; i<(laneCount); i++) \ |
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| 217 | n/a | setInterleavedWordsInto8bytes(data+i*8, (UINT32*)state+i*2); \ |
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| 218 | n/a | } |
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| 219 | n/a | |
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| 220 | n/a | #endif /* With or without interleaving tables */ |
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| 221 | n/a | |
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| 222 | n/a | #if defined(_MSC_VER) |
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| 223 | n/a | #define ROL32(a, offset) _rotl(a, offset) |
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| 224 | n/a | #elif (defined (__arm__) && defined(__ARMCC_VERSION)) |
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| 225 | n/a | #define ROL32(a, offset) __ror(a, 32-(offset)) |
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| 226 | n/a | #else |
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| 227 | n/a | #define ROL32(a, offset) ((((UINT32)a) << (offset)) ^ (((UINT32)a) >> (32-(offset)))) |
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| 228 | n/a | #endif |
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| 229 | n/a | |
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| 230 | n/a | #include "KeccakF-1600-unrolling.macros" |
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| 231 | n/a | #include "KeccakF-1600-32.macros" |
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| 232 | n/a | |
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| 233 | n/a | #if (UseSchedule == 3) |
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| 234 | n/a | |
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| 235 | n/a | #ifdef UseBebigokimisa |
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| 236 | n/a | #error "No lane complementing with schedule 3." |
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| 237 | n/a | #endif |
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| 238 | n/a | |
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| 239 | n/a | #if (Unrolling != 2) |
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| 240 | n/a | #error "Only unrolling 2 is supported by schedule 3." |
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| 241 | n/a | #endif |
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| 242 | n/a | |
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| 243 | n/a | static void KeccakPermutationOnWords(UINT32 *state) |
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| 244 | n/a | { |
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| 245 | n/a | rounds |
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| 246 | n/a | } |
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| 247 | n/a | |
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| 248 | n/a | static void KeccakPermutationOnWordsAfterXoring(UINT32 *state, const UINT8 *input, unsigned int laneCount) |
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| 249 | n/a | { |
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| 250 | n/a | xorLanesIntoState(laneCount, state, input) |
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| 251 | n/a | rounds |
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| 252 | n/a | } |
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| 253 | n/a | |
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| 254 | n/a | #ifdef ProvideFast576 |
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| 255 | n/a | static void KeccakPermutationOnWordsAfterXoring576bits(UINT32 *state, const UINT8 *input) |
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| 256 | n/a | { |
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| 257 | n/a | xorLanesIntoState(9, state, input) |
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| 258 | n/a | rounds |
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| 259 | n/a | } |
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| 260 | n/a | #endif |
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| 261 | n/a | |
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| 262 | n/a | #ifdef ProvideFast832 |
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| 263 | n/a | static void KeccakPermutationOnWordsAfterXoring832bits(UINT32 *state, const UINT8 *input) |
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| 264 | n/a | { |
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| 265 | n/a | xorLanesIntoState(13, state, input) |
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| 266 | n/a | rounds |
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| 267 | n/a | } |
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| 268 | n/a | #endif |
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| 269 | n/a | |
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| 270 | n/a | #ifdef ProvideFast1024 |
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| 271 | n/a | static void KeccakPermutationOnWordsAfterXoring1024bits(UINT32 *state, const UINT8 *input) |
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| 272 | n/a | { |
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| 273 | n/a | xorLanesIntoState(16, state, input) |
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| 274 | n/a | rounds |
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| 275 | n/a | } |
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| 276 | n/a | #endif |
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| 277 | n/a | |
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| 278 | n/a | #ifdef ProvideFast1088 |
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| 279 | n/a | static void KeccakPermutationOnWordsAfterXoring1088bits(UINT32 *state, const UINT8 *input) |
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| 280 | n/a | { |
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| 281 | n/a | xorLanesIntoState(17, state, input) |
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| 282 | n/a | rounds |
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| 283 | n/a | } |
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| 284 | n/a | #endif |
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| 285 | n/a | |
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| 286 | n/a | #ifdef ProvideFast1152 |
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| 287 | n/a | static void KeccakPermutationOnWordsAfterXoring1152bits(UINT32 *state, const UINT8 *input) |
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| 288 | n/a | { |
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| 289 | n/a | xorLanesIntoState(18, state, input) |
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| 290 | n/a | rounds |
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| 291 | n/a | } |
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| 292 | n/a | #endif |
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| 293 | n/a | |
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| 294 | n/a | #ifdef ProvideFast1344 |
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| 295 | n/a | static void KeccakPermutationOnWordsAfterXoring1344bits(UINT32 *state, const UINT8 *input) |
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| 296 | n/a | { |
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| 297 | n/a | xorLanesIntoState(21, state, input) |
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| 298 | n/a | rounds |
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| 299 | n/a | } |
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| 300 | n/a | #endif |
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| 301 | n/a | |
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| 302 | n/a | #else /* (Schedule != 3) */ |
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| 303 | n/a | |
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| 304 | n/a | static void KeccakPermutationOnWords(UINT32 *state) |
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| 305 | n/a | { |
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| 306 | n/a | declareABCDE |
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| 307 | n/a | #if (Unrolling != 24) |
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| 308 | n/a | unsigned int i; |
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| 309 | n/a | #endif |
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| 310 | n/a | |
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| 311 | n/a | copyFromState(A, state) |
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| 312 | n/a | rounds |
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| 313 | n/a | } |
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| 314 | n/a | |
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| 315 | n/a | static void KeccakPermutationOnWordsAfterXoring(UINT32 *state, const UINT8 *input, unsigned int laneCount) |
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| 316 | n/a | { |
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| 317 | n/a | declareABCDE |
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| 318 | n/a | unsigned int i; |
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| 319 | n/a | |
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| 320 | n/a | xorLanesIntoState(laneCount, state, input) |
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| 321 | n/a | copyFromState(A, state) |
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| 322 | n/a | rounds |
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| 323 | n/a | } |
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| 324 | n/a | |
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| 325 | n/a | #ifdef ProvideFast576 |
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| 326 | n/a | static void KeccakPermutationOnWordsAfterXoring576bits(UINT32 *state, const UINT8 *input) |
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| 327 | n/a | { |
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| 328 | n/a | declareABCDE |
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| 329 | n/a | unsigned int i; |
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| 330 | n/a | |
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| 331 | n/a | xorLanesIntoState(9, state, input) |
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| 332 | n/a | copyFromState(A, state) |
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| 333 | n/a | rounds |
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| 334 | n/a | } |
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| 335 | n/a | #endif |
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| 336 | n/a | |
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| 337 | n/a | #ifdef ProvideFast832 |
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| 338 | n/a | static void KeccakPermutationOnWordsAfterXoring832bits(UINT32 *state, const UINT8 *input) |
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| 339 | n/a | { |
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| 340 | n/a | declareABCDE |
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| 341 | n/a | unsigned int i; |
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| 342 | n/a | |
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| 343 | n/a | xorLanesIntoState(13, state, input) |
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| 344 | n/a | copyFromState(A, state) |
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| 345 | n/a | rounds |
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| 346 | n/a | } |
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| 347 | n/a | #endif |
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| 348 | n/a | |
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| 349 | n/a | #ifdef ProvideFast1024 |
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| 350 | n/a | static void KeccakPermutationOnWordsAfterXoring1024bits(UINT32 *state, const UINT8 *input) |
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| 351 | n/a | { |
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| 352 | n/a | declareABCDE |
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| 353 | n/a | unsigned int i; |
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| 354 | n/a | |
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| 355 | n/a | xorLanesIntoState(16, state, input) |
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| 356 | n/a | copyFromState(A, state) |
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| 357 | n/a | rounds |
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| 358 | n/a | } |
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| 359 | n/a | #endif |
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| 360 | n/a | |
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| 361 | n/a | #ifdef ProvideFast1088 |
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| 362 | n/a | static void KeccakPermutationOnWordsAfterXoring1088bits(UINT32 *state, const UINT8 *input) |
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| 363 | n/a | { |
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| 364 | n/a | declareABCDE |
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| 365 | n/a | unsigned int i; |
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| 366 | n/a | |
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| 367 | n/a | xorLanesIntoState(17, state, input) |
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| 368 | n/a | copyFromState(A, state) |
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| 369 | n/a | rounds |
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| 370 | n/a | } |
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| 371 | n/a | #endif |
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| 372 | n/a | |
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| 373 | n/a | #ifdef ProvideFast1152 |
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| 374 | n/a | static void KeccakPermutationOnWordsAfterXoring1152bits(UINT32 *state, const UINT8 *input) |
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| 375 | n/a | { |
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| 376 | n/a | declareABCDE |
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| 377 | n/a | unsigned int i; |
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| 378 | n/a | |
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| 379 | n/a | xorLanesIntoState(18, state, input) |
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| 380 | n/a | copyFromState(A, state) |
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| 381 | n/a | rounds |
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| 382 | n/a | } |
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| 383 | n/a | #endif |
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| 384 | n/a | |
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| 385 | n/a | #ifdef ProvideFast1344 |
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| 386 | n/a | static void KeccakPermutationOnWordsAfterXoring1344bits(UINT32 *state, const UINT8 *input) |
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| 387 | n/a | { |
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| 388 | n/a | declareABCDE |
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| 389 | n/a | unsigned int i; |
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| 390 | n/a | |
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| 391 | n/a | xorLanesIntoState(21, state, input) |
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| 392 | n/a | copyFromState(A, state) |
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| 393 | n/a | rounds |
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| 394 | n/a | } |
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| 395 | n/a | #endif |
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| 396 | n/a | |
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| 397 | n/a | #endif |
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| 398 | n/a | |
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| 399 | n/a | static void KeccakInitialize() |
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| 400 | n/a | { |
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| 401 | n/a | #ifdef UseInterleaveTables |
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| 402 | n/a | buildInterleaveTables(); |
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| 403 | n/a | #endif |
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| 404 | n/a | } |
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| 405 | n/a | |
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| 406 | n/a | static void KeccakInitializeState(unsigned char *state) |
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| 407 | n/a | { |
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| 408 | n/a | memset(state, 0, 200); |
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| 409 | n/a | #ifdef UseBebigokimisa |
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| 410 | n/a | ((UINT32*)state)[ 2] = ~(UINT32)0; |
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| 411 | n/a | ((UINT32*)state)[ 3] = ~(UINT32)0; |
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| 412 | n/a | ((UINT32*)state)[ 4] = ~(UINT32)0; |
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| 413 | n/a | ((UINT32*)state)[ 5] = ~(UINT32)0; |
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| 414 | n/a | ((UINT32*)state)[16] = ~(UINT32)0; |
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| 415 | n/a | ((UINT32*)state)[17] = ~(UINT32)0; |
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| 416 | n/a | ((UINT32*)state)[24] = ~(UINT32)0; |
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| 417 | n/a | ((UINT32*)state)[25] = ~(UINT32)0; |
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| 418 | n/a | ((UINT32*)state)[34] = ~(UINT32)0; |
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| 419 | n/a | ((UINT32*)state)[35] = ~(UINT32)0; |
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| 420 | n/a | ((UINT32*)state)[40] = ~(UINT32)0; |
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| 421 | n/a | ((UINT32*)state)[41] = ~(UINT32)0; |
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| 422 | n/a | #endif |
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| 423 | n/a | } |
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| 424 | n/a | |
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| 425 | n/a | static void KeccakPermutation(unsigned char *state) |
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| 426 | n/a | { |
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| 427 | n/a | /* We assume the state is always stored as interleaved 32-bit words */ |
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| 428 | n/a | KeccakPermutationOnWords((UINT32*)state); |
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| 429 | n/a | } |
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| 430 | n/a | |
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| 431 | n/a | #ifdef ProvideFast576 |
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| 432 | n/a | static void KeccakAbsorb576bits(unsigned char *state, const unsigned char *data) |
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| 433 | n/a | { |
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| 434 | n/a | KeccakPermutationOnWordsAfterXoring576bits((UINT32*)state, data); |
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| 435 | n/a | } |
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| 436 | n/a | #endif |
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| 437 | n/a | |
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| 438 | n/a | #ifdef ProvideFast832 |
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| 439 | n/a | static void KeccakAbsorb832bits(unsigned char *state, const unsigned char *data) |
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| 440 | n/a | { |
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| 441 | n/a | KeccakPermutationOnWordsAfterXoring832bits((UINT32*)state, data); |
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| 442 | n/a | } |
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| 443 | n/a | #endif |
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| 444 | n/a | |
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| 445 | n/a | #ifdef ProvideFast1024 |
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| 446 | n/a | static void KeccakAbsorb1024bits(unsigned char *state, const unsigned char *data) |
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| 447 | n/a | { |
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| 448 | n/a | KeccakPermutationOnWordsAfterXoring1024bits((UINT32*)state, data); |
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| 449 | n/a | } |
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| 450 | n/a | #endif |
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| 451 | n/a | |
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| 452 | n/a | #ifdef ProvideFast1088 |
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| 453 | n/a | static void KeccakAbsorb1088bits(unsigned char *state, const unsigned char *data) |
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| 454 | n/a | { |
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| 455 | n/a | KeccakPermutationOnWordsAfterXoring1088bits((UINT32*)state, data); |
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| 456 | n/a | } |
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| 457 | n/a | #endif |
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| 458 | n/a | |
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| 459 | n/a | #ifdef ProvideFast1152 |
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| 460 | n/a | static void KeccakAbsorb1152bits(unsigned char *state, const unsigned char *data) |
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| 461 | n/a | { |
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| 462 | n/a | KeccakPermutationOnWordsAfterXoring1152bits((UINT32*)state, data); |
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| 463 | n/a | } |
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| 464 | n/a | #endif |
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| 465 | n/a | |
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| 466 | n/a | #ifdef ProvideFast1344 |
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| 467 | n/a | static void KeccakAbsorb1344bits(unsigned char *state, const unsigned char *data) |
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| 468 | n/a | { |
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| 469 | n/a | KeccakPermutationOnWordsAfterXoring1344bits((UINT32*)state, data); |
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| 470 | n/a | } |
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| 471 | n/a | #endif |
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| 472 | n/a | |
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| 473 | n/a | static void KeccakAbsorb(unsigned char *state, const unsigned char *data, unsigned int laneCount) |
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| 474 | n/a | { |
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| 475 | n/a | KeccakPermutationOnWordsAfterXoring((UINT32*)state, data, laneCount); |
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| 476 | n/a | } |
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| 477 | n/a | |
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| 478 | n/a | #ifdef ProvideFast1024 |
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| 479 | n/a | static void KeccakExtract1024bits(const unsigned char *state, unsigned char *data) |
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| 480 | n/a | { |
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| 481 | n/a | extractLanes(16, state, data) |
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| 482 | n/a | #ifdef UseBebigokimisa |
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| 483 | n/a | ((UINT32*)data)[ 2] = ~((UINT32*)data)[ 2]; |
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| 484 | n/a | ((UINT32*)data)[ 3] = ~((UINT32*)data)[ 3]; |
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| 485 | n/a | ((UINT32*)data)[ 4] = ~((UINT32*)data)[ 4]; |
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| 486 | n/a | ((UINT32*)data)[ 5] = ~((UINT32*)data)[ 5]; |
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| 487 | n/a | ((UINT32*)data)[16] = ~((UINT32*)data)[16]; |
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| 488 | n/a | ((UINT32*)data)[17] = ~((UINT32*)data)[17]; |
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| 489 | n/a | ((UINT32*)data)[24] = ~((UINT32*)data)[24]; |
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| 490 | n/a | ((UINT32*)data)[25] = ~((UINT32*)data)[25]; |
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| 491 | n/a | #endif |
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| 492 | n/a | } |
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| 493 | n/a | #endif |
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| 494 | n/a | |
|---|
| 495 | n/a | static void KeccakExtract(const unsigned char *state, unsigned char *data, unsigned int laneCount) |
|---|
| 496 | n/a | { |
|---|
| 497 | n/a | extractLanes(laneCount, state, data) |
|---|
| 498 | n/a | #ifdef UseBebigokimisa |
|---|
| 499 | n/a | if (laneCount > 1) { |
|---|
| 500 | n/a | ((UINT32*)data)[ 2] = ~((UINT32*)data)[ 2]; |
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| 501 | n/a | ((UINT32*)data)[ 3] = ~((UINT32*)data)[ 3]; |
|---|
| 502 | n/a | if (laneCount > 2) { |
|---|
| 503 | n/a | ((UINT32*)data)[ 4] = ~((UINT32*)data)[ 4]; |
|---|
| 504 | n/a | ((UINT32*)data)[ 5] = ~((UINT32*)data)[ 5]; |
|---|
| 505 | n/a | if (laneCount > 8) { |
|---|
| 506 | n/a | ((UINT32*)data)[16] = ~((UINT32*)data)[16]; |
|---|
| 507 | n/a | ((UINT32*)data)[17] = ~((UINT32*)data)[17]; |
|---|
| 508 | n/a | if (laneCount > 12) { |
|---|
| 509 | n/a | ((UINT32*)data)[24] = ~((UINT32*)data)[24]; |
|---|
| 510 | n/a | ((UINT32*)data)[25] = ~((UINT32*)data)[25]; |
|---|
| 511 | n/a | if (laneCount > 17) { |
|---|
| 512 | n/a | ((UINT32*)data)[34] = ~((UINT32*)data)[34]; |
|---|
| 513 | n/a | ((UINT32*)data)[35] = ~((UINT32*)data)[35]; |
|---|
| 514 | n/a | if (laneCount > 20) { |
|---|
| 515 | n/a | ((UINT32*)data)[40] = ~((UINT32*)data)[40]; |
|---|
| 516 | n/a | ((UINT32*)data)[41] = ~((UINT32*)data)[41]; |
|---|
| 517 | n/a | } |
|---|
| 518 | n/a | } |
|---|
| 519 | n/a | } |
|---|
| 520 | n/a | } |
|---|
| 521 | n/a | } |
|---|
| 522 | n/a | } |
|---|
| 523 | n/a | #endif |
|---|
| 524 | n/a | } |
|---|