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// // Copyright 2021 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 ppc64le
// package cipher_test
// import (
// "bytes"
// "crypto/aes"
// "crypto/cipher"
// "crypto/rand"
// "testing"
// "time"
// )
// var cbcAESFuzzTests = []struct {
// name string
// key []byte
// }{
// {
// "CBC-AES128",
// commonKey128,
// },
// {
// "CBC-AES192",
// commonKey192,
// },
// {
// "CBC-AES256",
// commonKey256,
// },
// }
// var timeout *time.Timer
// const datalen = 1024
// func TestFuzz(t *testing.T) {
// for _, ft := range cbcAESFuzzTests {
// c, _ := aes.NewCipher(ft.key)
// cbcAsm := cipher.NewCBCEncrypter(c, commonIV)
// cbcGeneric := cipher.NewCBCGenericEncrypter(c, commonIV)
// if testing.Short() {
// timeout = time.NewTimer(10 * time.Millisecond)
// } else {
// timeout = time.NewTimer(2 * time.Second)
// }
// indata := make([]byte, datalen)
// outgeneric := make([]byte, datalen)
// outdata := make([]byte, datalen)
// fuzzencrypt:
// for {
// select {
// case <-timeout.C:
// break fuzzencrypt
// default:
// }
// rand.Read(indata[:])
// cbcGeneric.crypt_blocks(indata, outgeneric)
// cbcAsm.crypt_blocks(indata, outdata)
// if !bytes.Equal(outdata, outgeneric) {
// t.Fatalf("AES-CBC encryption does not match reference result: %x and %x, please report this error to security@golang.org", outdata, outgeneric)
// }
// }
// cbcAsm = cipher.NewCBCDecrypter(c, commonIV)
// cbcGeneric = cipher.NewCBCGenericDecrypter(c, commonIV)
// if testing.Short() {
// timeout = time.NewTimer(10 * time.Millisecond)
// } else {
// timeout = time.NewTimer(2 * time.Second)
// }
// fuzzdecrypt:
// for {
// select {
// case <-timeout.C:
// break fuzzdecrypt
// default:
// }
// rand.Read(indata[:])
// cbcGeneric.crypt_blocks(indata, outgeneric)
// cbcAsm.crypt_blocks(indata, outdata)
// if !bytes.Equal(outdata, outgeneric) {
// t.Fatalf("AES-CBC decryption does not match reference result: %x and %x, please report this error to security@golang.org", outdata, outgeneric)
// }
// }
// }
// }