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29 lines
680 B
29 lines
680 B
9 years ago
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// 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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package sha3
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import "encoding/binary"
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// xorInGeneric 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 xorInGeneric(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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// copyOutGeneric copies ulint64s to a byte buffer.
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func copyOutGeneric(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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