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gotosocial/vendor/golang.org/x/crypto/sha3/keccakf.go
dependabot[bot] 356e238793
[chore]: Bump github.com/go-playground/validator/v10 (#1400) 
Bumps [github.com/go-playground/validator/v10](https://github.com/go-playground/validator) from 10.11.1 to 10.11.2.
- [Release notes](https://github.com/go-playground/validator/releases)
- [Commits](https://github.com/go-playground/validator/compare/v10.11.1...v10.11.2)

---
updated-dependencies:
- dependency-name: github.com/go-playground/validator/v10
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
2023-01-30 10:45:34 +01:00

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// 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)
}
}
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