1 // Copyright 2012 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
5 // +build amd64,!appengine,!gccgo
9 // This function is implemented in salsa2020_amd64.s.
13 func salsa2020XORKeyStream(out, in *byte, n uint64, nonce, key *byte)
15 // XORKeyStream crypts bytes from in to out using the given key and counters.
16 // In and out may be the same slice but otherwise should not overlap. Counter
17 // contains the raw salsa20 counter bytes (both nonce and block counter).
18 func XORKeyStream(out, in []byte, counter *[16]byte, key *[32]byte) {
22 salsa2020XORKeyStream(&out[0], &in[0], uint64(len(in)), &counter[0], &key[0])