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Diffstat (limited to 'crypto/sha3/keccakf.go')
| -rw-r--r-- | crypto/sha3/keccakf.go | 434 |
1 files changed, 0 insertions, 434 deletions
diff --git a/crypto/sha3/keccakf.go b/crypto/sha3/keccakf.go deleted file mode 100644 index 5fb98cbeb..000000000 --- a/crypto/sha3/keccakf.go +++ /dev/null @@ -1,434 +0,0 @@ -// Copyright 2014 The Go Authors. All rights reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -package sha3 - -// rc stores the round constants for use in the ι step. -var rc = [24]uint64{ - 0x0000000000000001, - 0x0000000000008082, - 0x800000000000808A, - 0x8000000080008000, - 0x000000000000808B, - 0x0000000080000001, - 0x8000000080008081, - 0x8000000000008009, - 0x000000000000008A, - 0x0000000000000088, - 0x0000000080008009, - 0x000000008000000A, - 0x000000008000808B, - 0x800000000000008B, - 0x8000000000008089, - 0x8000000000008003, - 0x8000000000008002, - 0x8000000000000080, - 0x000000000000800A, - 0x800000008000000A, - 0x8000000080008081, - 0x8000000000008080, - 0x0000000080000001, - 0x8000000080008008, -} - -// keccakF1600 applies the Keccak permutation to a 1600b-wide -// state represented as a slice of 25 uint64s. -func keccakF1600(a *[25]uint64) { - // Implementation translated from Keccak-inplace.c - // in the keccak reference code. - var t, bc0, bc1, bc2, bc3, bc4, d0, d1, d2, d3, d4 uint64 - - for i := 0; i < 24; i += 4 { - // Combines the 5 steps in each round into 2 steps. - // Unrolls 4 rounds per loop and spreads some steps across rounds. - - // Round 1 - bc0 = a[0] ^ a[5] ^ a[10] ^ a[15] ^ a[20] - bc1 = a[1] ^ a[6] ^ a[11] ^ a[16] ^ a[21] - bc2 = a[2] ^ a[7] ^ a[12] ^ a[17] ^ a[22] - bc3 = a[3] ^ a[8] ^ a[13] ^ a[18] ^ a[23] - bc4 = a[4] ^ a[9] ^ a[14] ^ a[19] ^ a[24] - d0 = bc4 ^ (bc1<<1 | bc1>>63) - d1 = bc0 ^ (bc2<<1 | bc2>>63) - d2 = bc1 ^ (bc3<<1 | bc3>>63) - d3 = bc2 ^ (bc4<<1 | bc4>>63) - d4 = bc3 ^ (bc0<<1 | bc0>>63) - - bc0 = a[0] ^ d0 - t = a[6] ^ d1 - bc1 = t<<44 | t>>(64-44) - t = a[12] ^ d2 - bc2 = t<<43 | t>>(64-43) - t = a[18] ^ d3 - bc3 = t<<21 | t>>(64-21) - t = a[24] ^ d4 - bc4 = t<<14 | t>>(64-14) - a[0] = bc0 ^ (bc2 &^ bc1) ^ rc[i] - a[6] = bc1 ^ (bc3 &^ bc2) - a[12] = bc2 ^ (bc4 &^ bc3) - a[18] = bc3 ^ (bc0 &^ bc4) - a[24] = bc4 ^ (bc1 &^ bc0) - - t = a[10] ^ d0 - bc2 = t<<3 | t>>(64-3) - t = a[16] ^ d1 - bc3 = t<<45 | t>>(64-45) - t = a[22] ^ d2 - bc4 = t<<61 | t>>(64-61) - t = a[3] ^ d3 - bc0 = t<<28 | t>>(64-28) - t = a[9] ^ d4 - bc1 = t<<20 | t>>(64-20) - a[10] = bc0 ^ (bc2 &^ bc1) - a[16] = bc1 ^ (bc3 &^ bc2) - a[22] = bc2 ^ (bc4 &^ bc3) - a[3] = bc3 ^ (bc0 &^ bc4) - a[9] = bc4 ^ (bc1 &^ bc0) - - t = a[20] ^ d0 - bc4 = t<<18 | t>>(64-18) - t = a[1] ^ d1 - bc0 = t<<1 | t>>(64-1) - t = a[7] ^ d2 - bc1 = t<<6 | t>>(64-6) - t = a[13] ^ d3 - bc2 = t<<25 | t>>(64-25) - t = a[19] ^ d4 - bc3 = t<<8 | t>>(64-8) - a[20] = bc0 ^ (bc2 &^ bc1) - a[1] = bc1 ^ (bc3 &^ bc2) - a[7] = bc2 ^ (bc4 &^ bc3) - a[13] = bc3 ^ (bc0 &^ bc4) - a[19] = bc4 ^ (bc1 &^ bc0) - - t = a[5] ^ d0 - bc1 = t<<36 | t>>(64-36) - t = a[11] ^ d1 - bc2 = t<<10 | t>>(64-10) - t = a[17] ^ d2 - bc3 = t<<15 | t>>(64-15) - t = a[23] ^ d3 - bc4 = t<<56 | t>>(64-56) - t = a[4] ^ d4 - bc0 = t<<27 | t>>(64-27) - a[5] = bc0 ^ (bc2 &^ bc1) - a[11] = bc1 ^ (bc3 &^ bc2) - a[17] = bc2 ^ (bc4 &^ bc3) - a[23] = bc3 ^ (bc0 &^ bc4) - a[4] = bc4 ^ (bc1 &^ bc0) - - t = a[15] ^ d0 - bc3 = t<<41 | t>>(64-41) - t = a[21] ^ d1 - bc4 = t<<2 | t>>(64-2) - t = a[2] ^ d2 - bc0 = t<<62 | t>>(64-62) - t = a[8] ^ d3 - bc1 = t<<55 | t>>(64-55) - t = a[14] ^ d4 - bc2 = t<<39 | t>>(64-39) - a[15] = bc0 ^ (bc2 &^ bc1) - a[21] = bc1 ^ (bc3 &^ bc2) - a[2] = bc2 ^ (bc4 &^ bc3) - a[8] = bc3 ^ (bc0 &^ bc4) - a[14] = bc4 ^ (bc1 &^ bc0) - - // Round 2 - bc0 = a[0] ^ a[5] ^ a[10] ^ a[15] ^ a[20] - bc1 = a[1] ^ a[6] ^ a[11] ^ a[16] ^ a[21] - bc2 = a[2] ^ a[7] ^ a[12] ^ a[17] ^ a[22] - bc3 = a[3] ^ a[8] ^ a[13] ^ a[18] ^ a[23] - bc4 = a[4] ^ a[9] ^ a[14] ^ a[19] ^ a[24] - d0 = bc4 ^ (bc1<<1 | bc1>>63) - d1 = bc0 ^ (bc2<<1 | bc2>>63) - d2 = bc1 ^ (bc3<<1 | bc3>>63) - d3 = bc2 ^ (bc4<<1 | bc4>>63) - d4 = bc3 ^ (bc0<<1 | bc0>>63) - - bc0 = a[0] ^ d0 - t = a[16] ^ d1 - bc1 = t<<44 | t>>(64-44) - t = a[7] ^ d2 - bc2 = t<<43 | t>>(64-43) - t = a[23] ^ d3 - bc3 = t<<21 | t>>(64-21) - t = a[14] ^ d4 - bc4 = t<<14 | t>>(64-14) - a[0] = bc0 ^ (bc2 &^ bc1) ^ rc[i+1] - a[16] = bc1 ^ (bc3 &^ bc2) - a[7] = bc2 ^ (bc4 &^ bc3) - a[23] = bc3 ^ (bc0 &^ bc4) - a[14] = bc4 ^ (bc1 &^ bc0) - - t = a[20] ^ d0 - bc2 = t<<3 | t>>(64-3) - t = a[11] ^ d1 - bc3 = t<<45 | t>>(64-45) - t = a[2] ^ d2 - bc4 = t<<61 | t>>(64-61) - t = a[18] ^ d3 - bc0 = t<<28 | t>>(64-28) - t = a[9] ^ d4 - bc1 = t<<20 | t>>(64-20) - a[20] = bc0 ^ (bc2 &^ bc1) - a[11] = bc1 ^ (bc3 &^ bc2) - a[2] = bc2 ^ (bc4 &^ bc3) - a[18] = bc3 ^ (bc0 &^ bc4) - a[9] = bc4 ^ (bc1 &^ bc0) - - t = a[15] ^ d0 - bc4 = t<<18 | t>>(64-18) - t = a[6] ^ d1 - bc0 = t<<1 | t>>(64-1) - t = a[22] ^ d2 - bc1 = t<<6 | t>>(64-6) - t = a[13] ^ d3 - bc2 = t<<25 | t>>(64-25) - t = a[4] ^ d4 - bc3 = t<<8 | t>>(64-8) - a[15] = bc0 ^ (bc2 &^ bc1) - a[6] = bc1 ^ (bc3 &^ bc2) - a[22] = bc2 ^ (bc4 &^ bc3) - a[13] = bc3 ^ (bc0 &^ bc4) - a[4] = bc4 ^ (bc1 &^ bc0) - - t = a[10] ^ d0 - bc1 = t<<36 | t>>(64-36) - t = a[1] ^ d1 - bc2 = t<<10 | t>>(64-10) - t = a[17] ^ d2 - bc3 = t<<15 | t>>(64-15) - t = a[8] ^ d3 - bc4 = t<<56 | t>>(64-56) - t = a[24] ^ d4 - bc0 = t<<27 | t>>(64-27) - a[10] = bc0 ^ (bc2 &^ bc1) - a[1] = bc1 ^ (bc3 &^ bc2) - a[17] = bc2 ^ (bc4 &^ bc3) - a[8] = bc3 ^ (bc0 &^ bc4) - a[24] = bc4 ^ (bc1 &^ bc0) - - t = a[5] ^ d0 - bc3 = t<<41 | t>>(64-41) - t = a[21] ^ d1 - bc4 = t<<2 | t>>(64-2) - t = a[12] ^ d2 - bc0 = t<<62 | t>>(64-62) - t = a[3] ^ d3 - bc1 = t<<55 | t>>(64-55) - t = a[19] ^ d4 - bc2 = t<<39 | t>>(64-39) - a[5] = bc0 ^ (bc2 &^ bc1) - a[21] = bc1 ^ (bc3 &^ bc2) - a[12] = bc2 ^ (bc4 &^ bc3) - a[3] = bc3 ^ (bc0 &^ bc4) - a[19] = bc4 ^ (bc1 &^ bc0) - - // Round 3 - bc0 = a[0] ^ a[5] ^ a[10] ^ a[15] ^ a[20] - bc1 = a[1] ^ a[6] ^ a[11] ^ a[16] ^ a[21] - bc2 = a[2] ^ a[7] ^ a[12] ^ a[17] ^ a[22] - bc3 = a[3] ^ a[8] ^ a[13] ^ a[18] ^ a[23] - bc4 = a[4] ^ a[9] ^ a[14] ^ a[19] ^ a[24] - d0 = bc4 ^ (bc1<<1 | bc1>>63) - d1 = bc0 ^ (bc2<<1 | bc2>>63) - d2 = bc1 ^ (bc3<<1 | bc3>>63) - d3 = bc2 ^ (bc4<<1 | bc4>>63) - d4 = bc3 ^ (bc0<<1 | bc0>>63) - - bc0 = a[0] ^ d0 - t = a[11] ^ d1 - bc1 = t<<44 | t>>(64-44) - t = a[22] ^ d2 - bc2 = t<<43 | t>>(64-43) - t = a[8] ^ d3 - bc3 = t<<21 | t>>(64-21) - t = a[19] ^ d4 - bc4 = t<<14 | t>>(64-14) - a[0] = bc0 ^ (bc2 &^ bc1) ^ rc[i+2] - a[11] = bc1 ^ (bc3 &^ bc2) - a[22] = bc2 ^ (bc4 &^ bc3) - a[8] = bc3 ^ (bc0 &^ bc4) - a[19] = bc4 ^ (bc1 &^ bc0) - - t = a[15] ^ d0 - bc2 = t<<3 | t>>(64-3) - t = a[1] ^ d1 - bc3 = t<<45 | t>>(64-45) - t = a[12] ^ d2 - bc4 = t<<61 | t>>(64-61) - t = a[23] ^ d3 - bc0 = t<<28 | t>>(64-28) - t = a[9] ^ d4 - bc1 = t<<20 | t>>(64-20) - a[15] = bc0 ^ (bc2 &^ bc1) - a[1] = bc1 ^ (bc3 &^ bc2) - a[12] = bc2 ^ (bc4 &^ bc3) - a[23] = bc3 ^ (bc0 &^ bc4) - a[9] = bc4 ^ (bc1 &^ bc0) - - t = a[5] ^ d0 - bc4 = t<<18 | t>>(64-18) - t = a[16] ^ d1 - bc0 = t<<1 | t>>(64-1) - t = a[2] ^ d2 - bc1 = t<<6 | t>>(64-6) - t = a[13] ^ d3 - bc2 = t<<25 | t>>(64-25) - t = a[24] ^ d4 - bc3 = t<<8 | t>>(64-8) - a[5] = bc0 ^ (bc2 &^ bc1) - a[16] = bc1 ^ (bc3 &^ bc2) - a[2] = bc2 ^ (bc4 &^ bc3) - a[13] = bc3 ^ (bc0 &^ bc4) - a[24] = bc4 ^ (bc1 &^ bc0) - - t = a[20] ^ d0 - bc1 = t<<36 | t>>(64-36) - t = a[6] ^ d1 - bc2 = t<<10 | t>>(64-10) - t = a[17] ^ d2 - bc3 = t<<15 | t>>(64-15) - t = a[3] ^ d3 - bc4 = t<<56 | t>>(64-56) - t = a[14] ^ d4 - bc0 = t<<27 | t>>(64-27) - a[20] = bc0 ^ (bc2 &^ bc1) - a[6] = bc1 ^ (bc3 &^ bc2) - a[17] = bc2 ^ (bc4 &^ bc3) - a[3] = bc3 ^ (bc0 &^ bc4) - a[14] = bc4 ^ (bc1 &^ bc0) - - t = a[10] ^ d0 - bc3 = t<<41 | t>>(64-41) - t = a[21] ^ d1 - bc4 = t<<2 | t>>(64-2) - t = a[7] ^ d2 - bc0 = t<<62 | t>>(64-62) - t = a[18] ^ d3 - bc1 = t<<55 | t>>(64-55) - t = a[4] ^ d4 - bc2 = t<<39 | t>>(64-39) - a[10] = bc0 ^ (bc2 &^ bc1) - a[21] = bc1 ^ (bc3 &^ bc2) - a[7] = bc2 ^ (bc4 &^ bc3) - a[18] = bc3 ^ (bc0 &^ bc4) - a[4] = bc4 ^ (bc1 &^ bc0) - - // Round 4 - bc0 = a[0] ^ a[5] ^ a[10] ^ a[15] ^ a[20] - bc1 = a[1] ^ a[6] ^ a[11] ^ a[16] ^ a[21] - bc2 = a[2] ^ a[7] ^ a[12] ^ a[17] ^ a[22] - bc3 = a[3] ^ a[8] ^ a[13] ^ a[18] ^ a[23] - bc4 = a[4] ^ a[9] ^ a[14] ^ a[19] ^ a[24] - d0 = bc4 ^ (bc1<<1 | bc1>>63) - d1 = bc0 ^ (bc2<<1 | bc2>>63) - d2 = bc1 ^ (bc3<<1 | bc3>>63) - d3 = bc2 ^ (bc4<<1 | bc4>>63) - d4 = bc3 ^ (bc0<<1 | bc0>>63) - - bc0 = a[0] ^ d0 - t = a[1] ^ d1 - bc1 = t<<44 | t>>(64-44) - t = a[2] ^ d2 - bc2 = t<<43 | t>>(64-43) - t = a[3] ^ d3 - bc3 = t<<21 | t>>(64-21) - t = a[4] ^ d4 - bc4 = t<<14 | t>>(64-14) - a[0] = bc0 ^ (bc2 &^ bc1) ^ rc[i+3] - a[1] = bc1 ^ (bc3 &^ bc2) - a[2] = bc2 ^ (bc4 &^ bc3) - a[3] = bc3 ^ (bc0 &^ bc4) - a[4] = bc4 ^ (bc1 &^ bc0) - - t = a[5] ^ d0 - bc2 = t<<3 | t>>(64-3) - t = a[6] ^ d1 - bc3 = t<<45 | t>>(64-45) - t = a[7] ^ d2 - bc4 = t<<61 | t>>(64-61) - t = a[8] ^ d3 - bc0 = t<<28 | t>>(64-28) - t = a[9] ^ d4 - bc1 = t<<20 | t>>(64-20) - a[5] = bc0 ^ (bc2 &^ bc1) - a[6] = bc1 ^ (bc3 &^ bc2) - a[7] = bc2 ^ (bc4 &^ bc3) - a[8] = bc3 ^ (bc0 &^ bc4) - a[9] = bc4 ^ (bc1 &^ bc0) - - t = a[10] ^ d0 - bc4 = t<<18 | t>>(64-18) - t = a[11] ^ d1 - bc0 = t<<1 | t>>(64-1) - t = a[12] ^ d2 - bc1 = t<<6 | t>>(64-6) - t = a[13] ^ d3 - bc2 = t<<25 | t>>(64-25) - t = a[14] ^ d4 - bc3 = t<<8 | t>>(64-8) - a[10] = bc0 ^ (bc2 &^ bc1) - a[11] = bc1 ^ (bc3 &^ bc2) - a[12] = bc2 ^ (bc4 &^ bc3) - a[13] = bc3 ^ (bc0 &^ bc4) - a[14] = bc4 ^ (bc1 &^ bc0) - - t = a[15] ^ d0 - bc1 = t<<36 | t>>(64-36) - t = a[16] ^ d1 - bc2 = t<<10 | t>>(64-10) - t = a[17] ^ d2 - bc3 = t<<15 | t>>(64-15) - t = a[18] ^ d3 - bc4 = t<<56 | t>>(64-56) - t = a[19] ^ d4 - bc0 = t<<27 | t>>(64-27) - a[15] = bc0 ^ (bc2 &^ bc1) - a[16] = bc1 ^ (bc3 &^ bc2) - a[17] = bc2 ^ (bc4 &^ bc3) - a[18] = bc3 ^ (bc0 &^ bc4) - a[19] = bc4 ^ (bc1 &^ bc0) - - t = a[20] ^ d0 - bc3 = t<<41 | t>>(64-41) - t = a[21] ^ d1 - bc4 = t<<2 | t>>(64-2) - t = a[22] ^ d2 - bc0 = t<<62 | t>>(64-62) - t = a[23] ^ d3 - bc1 = t<<55 | t>>(64-55) - t = a[24] ^ d4 - bc2 = t<<39 | t>>(64-39) - a[20] = bc0 ^ (bc2 &^ bc1) - a[21] = bc1 ^ (bc3 &^ bc2) - a[22] = bc2 ^ (bc4 &^ bc3) - a[23] = bc3 ^ (bc0 &^ bc4) - a[24] = bc4 ^ (bc1 &^ bc0) - } -} |