34 lines
817 B
Go
34 lines
817 B
Go
// Copyright 2015 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build (!amd64 || appengine) && (!386 || appengine) && (!ppc64le || appengine)
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// +build !amd64 appengine
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// +build !386 appengine
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// +build !ppc64le appengine
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package sha3
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import "encoding/binary"
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// xorIn xors the bytes in buf into the state; it
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// makes no non-portable assumptions about memory layout
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// or alignment.
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func xorIn(d *State, buf []byte) {
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n := len(buf) / 8
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for i := 0; i < n; i++ {
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a := binary.LittleEndian.Uint64(buf)
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d.a[i] ^= a
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buf = buf[8:]
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}
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}
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// copyOut copies ulint64s to a byte buffer.
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func copyOut(d *State, b []byte) {
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for i := 0; len(b) >= 8; i++ {
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binary.LittleEndian.PutUint64(b, d.a[i])
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b = b[8:]
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}
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}
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