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// 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.
//go:build (!amd64 || appengine) && (!386 || appengine) && (!ppc64le || appengine)
// +build !amd64 appengine
// +build !386 appengine
// +build !ppc64le appengine
package sha3
import "encoding/binary"
// xorIn xors the bytes in buf into the state; it
// makes no non-portable assumptions about memory layout
// or alignment.
func xorIn(d *State, buf []byte) {
n := len(buf) / 8
for i := 0; i < n; i++ {
a := binary.LittleEndian.Uint64(buf)
d.a[i] ^= a
buf = buf[8:]
}
}
// copyOut copies ulint64s to a byte buffer.
func copyOut(d *State, b []byte) {
for i := 0; len(b) >= 8; i++ {
binary.LittleEndian.PutUint64(b, d.a[i])
b = b[8:]
}
}
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