// Copyright 2018 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 (!arm64 && !s390x && !ppc64le) || (arm64 && !go1.11) || !gc || purego
// +build !arm64,!s390x,!ppc64le arm64,!go1.11 !gc purego

package chacha20

const bufSize = blockSize

func ( *Cipher) (,  []byte) {
	.xorKeyStreamBlocksGeneric(, )
}