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chacha_ppc64le.go (468B)

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