Russ Cox
5ea612d1eb
Make all our package sources use Go 1.17 gofmt format (adding //go:build lines). Not strictly necessary but will avoid spurious changes as files are edited. Part of //go:build change (#41184). See https://golang.org/design/draft-gobuild Change-Id: I70526bf588bf4078887e567795867ece785d666b Reviewed-on: https://go-review.googlesource.com/c/crypto/+/294415 Trust: Russ Cox <rsc@golang.org> Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Jason A. Donenfeld <Jason@zx2c4.com> Reviewed-by: Ian Lance Taylor <iant@golang.org>
25 lines
796 B
Go
25 lines
796 B
Go
// Copyright 2012 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 && !purego && gc
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// +build amd64,!purego,gc
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package salsa
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//go:noescape
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// salsa2020XORKeyStream is implemented in salsa20_amd64.s.
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func salsa2020XORKeyStream(out, in *byte, n uint64, nonce, key *byte)
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// XORKeyStream crypts bytes from in to out using the given key and counters.
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// In and out must overlap entirely or not at all. Counter
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// contains the raw salsa20 counter bytes (both nonce and block counter).
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func XORKeyStream(out, in []byte, counter *[16]byte, key *[32]byte) {
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if len(in) == 0 {
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return
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}
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_ = out[len(in)-1]
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salsa2020XORKeyStream(&out[0], &in[0], uint64(len(in)), &counter[0], &key[0])
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}
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