diff options
Diffstat (limited to 'cli/vendor/golang.org/x/crypto/sha3/keccakf.go')
| -rw-r--r-- | cli/vendor/golang.org/x/crypto/sha3/keccakf.go | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/cli/vendor/golang.org/x/crypto/sha3/keccakf.go b/cli/vendor/golang.org/x/crypto/sha3/keccakf.go new file mode 100644 index 0000000..e5faa37 --- /dev/null +++ b/cli/vendor/golang.org/x/crypto/sha3/keccakf.go @@ -0,0 +1,415 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !amd64 || purego || !gc +// +build !amd64 purego !gc + +package sha3 + +import "math/bits" + +// 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 = bits.RotateLeft64(t, 44) + t = a[12] ^ d2 + bc2 = bits.RotateLeft64(t, 43) + t = a[18] ^ d3 + bc3 = bits.RotateLeft64(t, 21) + t = a[24] ^ d4 + bc4 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 3) + t = a[16] ^ d1 + bc3 = bits.RotateLeft64(t, 45) + t = a[22] ^ d2 + bc4 = bits.RotateLeft64(t, 61) + t = a[3] ^ d3 + bc0 = bits.RotateLeft64(t, 28) + t = a[9] ^ d4 + bc1 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 18) + t = a[1] ^ d1 + bc0 = bits.RotateLeft64(t, 1) + t = a[7] ^ d2 + bc1 = bits.RotateLeft64(t, 6) + t = a[13] ^ d3 + bc2 = bits.RotateLeft64(t, 25) + t = a[19] ^ d4 + bc3 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 36) + t = a[11] ^ d1 + bc2 = bits.RotateLeft64(t, 10) + t = a[17] ^ d2 + bc3 = bits.RotateLeft64(t, 15) + t = a[23] ^ d3 + bc4 = bits.RotateLeft64(t, 56) + t = a[4] ^ d4 + bc0 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 41) + t = a[21] ^ d1 + bc4 = bits.RotateLeft64(t, 2) + t = a[2] ^ d2 + bc0 = bits.RotateLeft64(t, 62) + t = a[8] ^ d3 + bc1 = bits.RotateLeft64(t, 55) + t = a[14] ^ d4 + bc2 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 44) + t = a[7] ^ d2 + bc2 = bits.RotateLeft64(t, 43) + t = a[23] ^ d3 + bc3 = bits.RotateLeft64(t, 21) + t = a[14] ^ d4 + bc4 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 3) + t = a[11] ^ d1 + bc3 = bits.RotateLeft64(t, 45) + t = a[2] ^ d2 + bc4 = bits.RotateLeft64(t, 61) + t = a[18] ^ d3 + bc0 = bits.RotateLeft64(t, 28) + t = a[9] ^ d4 + bc1 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 18) + t = a[6] ^ d1 + bc0 = bits.RotateLeft64(t, 1) + t = a[22] ^ d2 + bc1 = bits.RotateLeft64(t, 6) + t = a[13] ^ d3 + bc2 = bits.RotateLeft64(t, 25) + t = a[4] ^ d4 + bc3 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 36) + t = a[1] ^ d1 + bc2 = bits.RotateLeft64(t, 10) + t = a[17] ^ d2 + bc3 = bits.RotateLeft64(t, 15) + t = a[8] ^ d3 + bc4 = bits.RotateLeft64(t, 56) + t = a[24] ^ d4 + bc0 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 41) + t = a[21] ^ d1 + bc4 = bits.RotateLeft64(t, 2) + t = a[12] ^ d2 + bc0 = bits.RotateLeft64(t, 62) + t = a[3] ^ d3 + bc1 = bits.RotateLeft64(t, 55) + t = a[19] ^ d4 + bc2 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 44) + t = a[22] ^ d2 + bc2 = bits.RotateLeft64(t, 43) + t = a[8] ^ d3 + bc3 = bits.RotateLeft64(t, 21) + t = a[19] ^ d4 + bc4 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 3) + t = a[1] ^ d1 + bc3 = bits.RotateLeft64(t, 45) + t = a[12] ^ d2 + bc4 = bits.RotateLeft64(t, 61) + t = a[23] ^ d3 + bc0 = bits.RotateLeft64(t, 28) + t = a[9] ^ d4 + bc1 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 18) + t = a[16] ^ d1 + bc0 = bits.RotateLeft64(t, 1) + t = a[2] ^ d2 + bc1 = bits.RotateLeft64(t, 6) + t = a[13] ^ d3 + bc2 = bits.RotateLeft64(t, 25) + t = a[24] ^ d4 + bc3 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 36) + t = a[6] ^ d1 + bc2 = bits.RotateLeft64(t, 10) + t = a[17] ^ d2 + bc3 = bits.RotateLeft64(t, 15) + t = a[3] ^ d3 + bc4 = bits.RotateLeft64(t, 56) + t = a[14] ^ d4 + bc0 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 41) + t = a[21] ^ d1 + bc4 = bits.RotateLeft64(t, 2) + t = a[7] ^ d2 + bc0 = bits.RotateLeft64(t, 62) + t = a[18] ^ d3 + bc1 = bits.RotateLeft64(t, 55) + t = a[4] ^ d4 + bc2 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 44) + t = a[2] ^ d2 + bc2 = bits.RotateLeft64(t, 43) + t = a[3] ^ d3 + bc3 = bits.RotateLeft64(t, 21) + t = a[4] ^ d4 + bc4 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 3) + t = a[6] ^ d1 + bc3 = bits.RotateLeft64(t, 45) + t = a[7] ^ d2 + bc4 = bits.RotateLeft64(t, 61) + t = a[8] ^ d3 + bc0 = bits.RotateLeft64(t, 28) + t = a[9] ^ d4 + bc1 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 18) + t = a[11] ^ d1 + bc0 = bits.RotateLeft64(t, 1) + t = a[12] ^ d2 + bc1 = bits.RotateLeft64(t, 6) + t = a[13] ^ d3 + bc2 = bits.RotateLeft64(t, 25) + t = a[14] ^ d4 + bc3 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 36) + t = a[16] ^ d1 + bc2 = bits.RotateLeft64(t, 10) + t = a[17] ^ d2 + bc3 = bits.RotateLeft64(t, 15) + t = a[18] ^ d3 + bc4 = bits.RotateLeft64(t, 56) + t = a[19] ^ d4 + bc0 = bits.RotateLeft64(t, 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 = bits.RotateLeft64(t, 41) + t = a[21] ^ d1 + bc4 = bits.RotateLeft64(t, 2) + t = a[22] ^ d2 + bc0 = bits.RotateLeft64(t, 62) + t = a[23] ^ d3 + bc1 = bits.RotateLeft64(t, 55) + t = a[24] ^ d4 + bc2 = bits.RotateLeft64(t, 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) + } +} |