diff options
Diffstat (limited to 'vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/blake2s/blake2s_generic.go')
| -rw-r--r-- | vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/blake2s/blake2s_generic.go | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/blake2s/blake2s_generic.go b/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/blake2s/blake2s_generic.go deleted file mode 100644 index f7e065378..000000000 --- a/vendor/github.com/miekg/dns/vendor/golang.org/x/crypto/blake2s/blake2s_generic.go +++ /dev/null @@ -1,174 +0,0 @@ -// Copyright 2016 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. - -package blake2s - -// the precomputed values for BLAKE2s -// there are 10 16-byte arrays - one for each round -// the entries are calculated from the sigma constants. -var precomputed = [10][16]byte{ - {0, 2, 4, 6, 1, 3, 5, 7, 8, 10, 12, 14, 9, 11, 13, 15}, - {14, 4, 9, 13, 10, 8, 15, 6, 1, 0, 11, 5, 12, 2, 7, 3}, - {11, 12, 5, 15, 8, 0, 2, 13, 10, 3, 7, 9, 14, 6, 1, 4}, - {7, 3, 13, 11, 9, 1, 12, 14, 2, 5, 4, 15, 6, 10, 0, 8}, - {9, 5, 2, 10, 0, 7, 4, 15, 14, 11, 6, 3, 1, 12, 8, 13}, - {2, 6, 0, 8, 12, 10, 11, 3, 4, 7, 15, 1, 13, 5, 14, 9}, - {12, 1, 14, 4, 5, 15, 13, 10, 0, 6, 9, 8, 7, 3, 2, 11}, - {13, 7, 12, 3, 11, 14, 1, 9, 5, 15, 8, 2, 0, 4, 6, 10}, - {6, 14, 11, 0, 15, 9, 3, 8, 12, 13, 1, 10, 2, 7, 4, 5}, - {10, 8, 7, 1, 2, 4, 6, 5, 15, 9, 3, 13, 11, 14, 12, 0}, -} - -func hashBlocksGeneric(h *[8]uint32, c *[2]uint32, flag uint32, blocks []byte) { - var m [16]uint32 - c0, c1 := c[0], c[1] - - for i := 0; i < len(blocks); { - c0 += BlockSize - if c0 < BlockSize { - c1++ - } - - v0, v1, v2, v3, v4, v5, v6, v7 := h[0], h[1], h[2], h[3], h[4], h[5], h[6], h[7] - v8, v9, v10, v11, v12, v13, v14, v15 := iv[0], iv[1], iv[2], iv[3], iv[4], iv[5], iv[6], iv[7] - v12 ^= c0 - v13 ^= c1 - v14 ^= flag - - for j := range m { - m[j] = uint32(blocks[i]) | uint32(blocks[i+1])<<8 | uint32(blocks[i+2])<<16 | uint32(blocks[i+3])<<24 - i += 4 - } - - for k := range precomputed { - s := &(precomputed[k]) - - v0 += m[s[0]] - v0 += v4 - v12 ^= v0 - v12 = v12<<(32-16) | v12>>16 - v8 += v12 - v4 ^= v8 - v4 = v4<<(32-12) | v4>>12 - v1 += m[s[1]] - v1 += v5 - v13 ^= v1 - v13 = v13<<(32-16) | v13>>16 - v9 += v13 - v5 ^= v9 - v5 = v5<<(32-12) | v5>>12 - v2 += m[s[2]] - v2 += v6 - v14 ^= v2 - v14 = v14<<(32-16) | v14>>16 - v10 += v14 - v6 ^= v10 - v6 = v6<<(32-12) | v6>>12 - v3 += m[s[3]] - v3 += v7 - v15 ^= v3 - v15 = v15<<(32-16) | v15>>16 - v11 += v15 - v7 ^= v11 - v7 = v7<<(32-12) | v7>>12 - - v0 += m[s[4]] - v0 += v4 - v12 ^= v0 - v12 = v12<<(32-8) | v12>>8 - v8 += v12 - v4 ^= v8 - v4 = v4<<(32-7) | v4>>7 - v1 += m[s[5]] - v1 += v5 - v13 ^= v1 - v13 = v13<<(32-8) | v13>>8 - v9 += v13 - v5 ^= v9 - v5 = v5<<(32-7) | v5>>7 - v2 += m[s[6]] - v2 += v6 - v14 ^= v2 - v14 = v14<<(32-8) | v14>>8 - v10 += v14 - v6 ^= v10 - v6 = v6<<(32-7) | v6>>7 - v3 += m[s[7]] - v3 += v7 - v15 ^= v3 - v15 = v15<<(32-8) | v15>>8 - v11 += v15 - v7 ^= v11 - v7 = v7<<(32-7) | v7>>7 - - v0 += m[s[8]] - v0 += v5 - v15 ^= v0 - v15 = v15<<(32-16) | v15>>16 - v10 += v15 - v5 ^= v10 - v5 = v5<<(32-12) | v5>>12 - v1 += m[s[9]] - v1 += v6 - v12 ^= v1 - v12 = v12<<(32-16) | v12>>16 - v11 += v12 - v6 ^= v11 - v6 = v6<<(32-12) | v6>>12 - v2 += m[s[10]] - v2 += v7 - v13 ^= v2 - v13 = v13<<(32-16) | v13>>16 - v8 += v13 - v7 ^= v8 - v7 = v7<<(32-12) | v7>>12 - v3 += m[s[11]] - v3 += v4 - v14 ^= v3 - v14 = v14<<(32-16) | v14>>16 - v9 += v14 - v4 ^= v9 - v4 = v4<<(32-12) | v4>>12 - - v0 += m[s[12]] - v0 += v5 - v15 ^= v0 - v15 = v15<<(32-8) | v15>>8 - v10 += v15 - v5 ^= v10 - v5 = v5<<(32-7) | v5>>7 - v1 += m[s[13]] - v1 += v6 - v12 ^= v1 - v12 = v12<<(32-8) | v12>>8 - v11 += v12 - v6 ^= v11 - v6 = v6<<(32-7) | v6>>7 - v2 += m[s[14]] - v2 += v7 - v13 ^= v2 - v13 = v13<<(32-8) | v13>>8 - v8 += v13 - v7 ^= v8 - v7 = v7<<(32-7) | v7>>7 - v3 += m[s[15]] - v3 += v4 - v14 ^= v3 - v14 = v14<<(32-8) | v14>>8 - v9 += v14 - v4 ^= v9 - v4 = v4<<(32-7) | v4>>7 - } - - h[0] ^= v0 ^ v8 - h[1] ^= v1 ^ v9 - h[2] ^= v2 ^ v10 - h[3] ^= v3 ^ v11 - h[4] ^= v4 ^ v12 - h[5] ^= v5 ^ v13 - h[6] ^= v6 ^ v14 - h[7] ^= v7 ^ v15 - } - c[0], c[1] = c0, c1 -} |