diff options
Diffstat (limited to 'crypto/sha3/xor_unaligned.go')
-rw-r--r-- | crypto/sha3/xor_unaligned.go | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/crypto/sha3/xor_unaligned.go b/crypto/sha3/xor_unaligned.go deleted file mode 100644 index 929a486a7..000000000 --- a/crypto/sha3/xor_unaligned.go +++ /dev/null @@ -1,58 +0,0 @@ -// Copyright 2015 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. - -// +build amd64 386 ppc64le -// +build !appengine - -package sha3 - -import "unsafe" - -func xorInUnaligned(d *state, buf []byte) { - bw := (*[maxRate / 8]uint64)(unsafe.Pointer(&buf[0])) - n := len(buf) - if n >= 72 { - d.a[0] ^= bw[0] - d.a[1] ^= bw[1] - d.a[2] ^= bw[2] - d.a[3] ^= bw[3] - d.a[4] ^= bw[4] - d.a[5] ^= bw[5] - d.a[6] ^= bw[6] - d.a[7] ^= bw[7] - d.a[8] ^= bw[8] - } - if n >= 104 { - d.a[9] ^= bw[9] - d.a[10] ^= bw[10] - d.a[11] ^= bw[11] - d.a[12] ^= bw[12] - } - if n >= 136 { - d.a[13] ^= bw[13] - d.a[14] ^= bw[14] - d.a[15] ^= bw[15] - d.a[16] ^= bw[16] - } - if n >= 144 { - d.a[17] ^= bw[17] - } - if n >= 168 { - d.a[18] ^= bw[18] - d.a[19] ^= bw[19] - d.a[20] ^= bw[20] - } -} - -func copyOutUnaligned(d *state, buf []byte) { - ab := (*[maxRate]uint8)(unsafe.Pointer(&d.a[0])) - copy(buf, ab[:]) -} - -var ( - xorIn = xorInUnaligned - copyOut = copyOutUnaligned -) - -const xorImplementationUnaligned = "unaligned" |