| // Copyright 2019 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 gc && !purego | |
| // +build gc,!purego | |
| package chacha20 | |
| const bufSize = 256 | |
| //go:noescape | |
| func chaCha20_ctr32_vsx(out, inp *byte, len int, key *[8]uint32, counter *uint32) | |
| func (c *Cipher) xorKeyStreamBlocks(dst, src []byte) { | |
| chaCha20_ctr32_vsx(&dst[0], &src[0], len(src), &c.key, &c.counter) | |
| } |