chacha_arm64.go (479B)
1 // Copyright 2018 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 go1.11 && gc && !purego 6 // +build go1.11,gc,!purego 7 8 package chacha20 9 10 const bufSize = 256 11 12 //go:noescape 13 func xorKeyStreamVX(dst, src []byte, key *[8]uint32, nonce *[3]uint32, counter *uint32) 14 15 func (c *Cipher) xorKeyStreamBlocks(dst, src []byte) { 16 xorKeyStreamVX(dst, src, &c.key, &c.nonce, &c.counter) 17 }