157 lines
3.3 KiB
Go
157 lines
3.3 KiB
Go
// Copyright 2013 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cipher_test
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import (
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"crypto/cipher"
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"testing"
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"github.com/stacktic/cryptodev/aes"
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)
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func benchmarkAESGCMSeal(b *testing.B, buf []byte) {
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b.SetBytes(int64(len(buf)))
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var key [16]byte
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var nonce [12]byte
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var ad [13]byte
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aes, _ := aes.NewCipher(key[:])
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aesgcm, _ := cipher.NewGCM(aes)
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var out []byte
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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out = aesgcm.Seal(out[:0], nonce[:], buf, ad[:])
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}
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}
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func benchmarkAESGCMOpen(b *testing.B, buf []byte) {
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b.SetBytes(int64(len(buf)))
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var key [16]byte
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var nonce [12]byte
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var ad [13]byte
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aes, _ := aes.NewCipher(key[:])
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aesgcm, _ := cipher.NewGCM(aes)
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var out []byte
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out = aesgcm.Seal(out[:0], nonce[:], buf, ad[:])
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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_, err := aesgcm.Open(buf[:0], nonce[:], out, ad[:])
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if err != nil {
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b.Errorf("Open: %v", err)
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}
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}
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}
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func BenchmarkAESGCMSeal1K(b *testing.B) {
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benchmarkAESGCMSeal(b, make([]byte, 1024))
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}
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func BenchmarkAESGCMOpen1K(b *testing.B) {
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benchmarkAESGCMOpen(b, make([]byte, 1024))
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}
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func BenchmarkAESGCMSeal8K(b *testing.B) {
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benchmarkAESGCMSeal(b, make([]byte, 8*1024))
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}
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func BenchmarkAESGCMOpen8K(b *testing.B) {
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benchmarkAESGCMOpen(b, make([]byte, 8*1024))
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}
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// If we test exactly 1K blocks, we would generate exact multiples of
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// the cipher's block size, and the cipher stream fragments would
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// always be wordsize aligned, whereas non-aligned is a more typical
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// use-case.
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const almost1K = 1024 - 5
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func BenchmarkAESCFBEncrypt1K(b *testing.B) {
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buf := make([]byte, almost1K)
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b.SetBytes(int64(len(buf)))
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var key [16]byte
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var iv [16]byte
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aes, _ := aes.NewCipher(key[:])
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ctr := cipher.NewCFBEncrypter(aes, iv[:])
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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ctr.XORKeyStream(buf, buf)
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}
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}
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func BenchmarkAESCFBDecrypt1K(b *testing.B) {
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buf := make([]byte, almost1K)
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b.SetBytes(int64(len(buf)))
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var key [16]byte
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var iv [16]byte
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aes, _ := aes.NewCipher(key[:])
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ctr := cipher.NewCFBDecrypter(aes, iv[:])
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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ctr.XORKeyStream(buf, buf)
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}
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}
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func BenchmarkAESOFB1K(b *testing.B) {
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buf := make([]byte, almost1K)
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b.SetBytes(int64(len(buf)))
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var key [16]byte
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var iv [16]byte
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aes, _ := aes.NewCipher(key[:])
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ctr := cipher.NewOFB(aes, iv[:])
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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ctr.XORKeyStream(buf, buf)
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}
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}
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func BenchmarkAESCTR1K(b *testing.B) {
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buf := make([]byte, almost1K)
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b.SetBytes(int64(len(buf)))
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var key [16]byte
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var iv [16]byte
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aes, _ := aes.NewCipher(key[:])
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ctr := cipher.NewCTR(aes, iv[:])
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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ctr.XORKeyStream(buf, buf)
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}
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}
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func BenchmarkAESCBCEncrypt1K(b *testing.B) {
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buf := make([]byte, 1024)
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b.SetBytes(int64(len(buf)))
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var key [16]byte
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var iv [16]byte
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aes, _ := aes.NewCipher(key[:])
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cbc := cipher.NewCBCEncrypter(aes, iv[:])
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for i := 0; i < b.N; i++ {
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cbc.CryptBlocks(buf, buf)
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}
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}
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func BenchmarkAESCBCDecrypt1K(b *testing.B) {
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buf := make([]byte, 1024)
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b.SetBytes(int64(len(buf)))
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var key [16]byte
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var iv [16]byte
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aes, _ := aes.NewCipher(key[:])
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cbc := cipher.NewCBCDecrypter(aes, iv[:])
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for i := 0; i < b.N; i++ {
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cbc.CryptBlocks(buf, buf)
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}
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}
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