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- // Copyright 2012 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,!appengine,!gccgo
-
- package salsa
-
- // This function is implemented in salsa2020_amd64.s.
-
- //go:noescape
-
- func salsa2020XORKeyStream(out, in *byte, n uint64, nonce, key *byte)
-
- // XORKeyStream crypts bytes from in to out using the given key and counters.
- // In and out must overlap entirely or not at all. Counter
- // contains the raw salsa20 counter bytes (both nonce and block counter).
- func XORKeyStream(out, in []byte, counter *[16]byte, key *[32]byte) {
- if len(in) == 0 {
- return
- }
- _ = out[len(in)-1]
- salsa2020XORKeyStream(&out[0], &in[0], uint64(len(in)), &counter[0], &key[0])
- }
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