1 // Copyright 2019 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. 4 5 //go:build gc && !purego 6 7 package chacha20 8 9 const bufSize = 256 10 11 //go:noescape 12 func chaCha20_ctr32_vsx(out, inp *byte, len int, key *[8]uint32, counter *uint32) 13 14 func (c *Cipher) xorKeyStreamBlocks(dst, src []byte) { 15 chaCha20_ctr32_vsx(&dst[0], &src[0], len(src), &c.key, &c.counter) 16 } 17