Gecko [ 167.86.127.34 ]

Name	Size	Permission
benchmark_test.go	3.46 KB	-rw-r--r--
cbc.go	4.42 KB	-rw-r--r--
cbc_aes_test.go	2.93 KB	-rw-r--r--
cfb.go	1.94 KB	-rw-r--r--
cfb_test.go	2.77 KB	-rw-r--r--
cipher.go	2.49 KB	-rw-r--r--
cipher_test.go	2.2 KB	-rw-r--r--
common_test.go	1.24 KB	-rw-r--r--
ctr.go	2.12 KB	-rw-r--r--
ctr_aes_test.go	2.98 KB	-rw-r--r--
ctr_test.go	1.13 KB	-rw-r--r--
example_test.go	11.78 KB	-rw-r--r--
export_test.go	242 B	-rw-r--r--
gcm.go	13.82 KB	-rw-r--r--
gcm_test.go	21.3 KB	-rw-r--r--
io.go	1.46 KB	-rw-r--r--
ofb.go	1.6 KB	-rw-r--r--
ofb_test.go	2.95 KB	-rw-r--r--
xor_amd64.go	642 B	-rw-r--r--
xor_amd64.s	1.31 KB	-rw-r--r--
xor_generic.go	2.33 KB	-rw-r--r--
xor_ppc64x.go	641 B	-rw-r--r--
xor_ppc64x.s	2.03 KB	-rw-r--r--
xor_test.go	1.6 KB	-rw-r--r--

Code Editor : benchmark_test.go

// Copyright 2013 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.

package cipher_test

import (
	"crypto/aes"
	"crypto/cipher"
	"testing"
)

func benchmarkAESGCMSign(b *testing.B, buf []byte) {
	b.SetBytes(int64(len(buf)))

var key [16]byte
	var nonce [12]byte
	aes, _ := aes.NewCipher(key[:])
	aesgcm, _ := cipher.NewGCM(aes)
	var out []byte

b.ResetTimer()
	for i := 0; i < b.N; i++ {
		out = aesgcm.Seal(out[:0], nonce[:], nil, buf)
	}
}

func benchmarkAESGCMSeal(b *testing.B, buf []byte) {
	b.SetBytes(int64(len(buf)))

var key [16]byte
	var nonce [12]byte
	var ad [13]byte
	aes, _ := aes.NewCipher(key[:])
	aesgcm, _ := cipher.NewGCM(aes)
	var out []byte

b.ResetTimer()
	for i := 0; i < b.N; i++ {
		out = aesgcm.Seal(out[:0], nonce[:], buf, ad[:])
	}
}

func benchmarkAESGCMOpen(b *testing.B, buf []byte) {
	b.SetBytes(int64(len(buf)))

var key [16]byte
	var nonce [12]byte
	var ad [13]byte
	aes, _ := aes.NewCipher(key[:])
	aesgcm, _ := cipher.NewGCM(aes)
	var out []byte
	out = aesgcm.Seal(out[:0], nonce[:], buf, ad[:])

b.ResetTimer()
	for i := 0; i < b.N; i++ {
		_, err := aesgcm.Open(buf[:0], nonce[:], out, ad[:])
		if err != nil {
			b.Errorf("Open: %v", err)
		}
	}
}

func BenchmarkAESGCMSeal1K(b *testing.B) {
	benchmarkAESGCMSeal(b, make([]byte, 1024))
}

func BenchmarkAESGCMOpen1K(b *testing.B) {
	benchmarkAESGCMOpen(b, make([]byte, 1024))
}

func BenchmarkAESGCMSign8K(b *testing.B) {
	benchmarkAESGCMSign(b, make([]byte, 8*1024))
}

func BenchmarkAESGCMSeal8K(b *testing.B) {
	benchmarkAESGCMSeal(b, make([]byte, 8*1024))
}

func BenchmarkAESGCMOpen8K(b *testing.B) {
	benchmarkAESGCMOpen(b, make([]byte, 8*1024))
}

func benchmarkAESStream(b *testing.B, mode func(cipher.Block, []byte) cipher.Stream, buf []byte) {
	b.SetBytes(int64(len(buf)))

var key [16]byte
	var iv [16]byte
	aes, _ := aes.NewCipher(key[:])
	stream := mode(aes, iv[:])

b.ResetTimer()
	for i := 0; i < b.N; i++ {
		stream.XORKeyStream(buf, buf)
	}
}

// If we test exactly 1K blocks, we would generate exact multiples of
// the cipher's block size, and the cipher stream fragments would
// always be wordsize aligned, whereas non-aligned is a more typical
// use-case.
const almost1K = 1024 - 5
const almost8K = 8*1024 - 5

func BenchmarkAESCFBEncrypt1K(b *testing.B) {
	benchmarkAESStream(b, cipher.NewCFBEncrypter, make([]byte, almost1K))
}

func BenchmarkAESCFBDecrypt1K(b *testing.B) {
	benchmarkAESStream(b, cipher.NewCFBDecrypter, make([]byte, almost1K))
}

func BenchmarkAESCFBDecrypt8K(b *testing.B) {
	benchmarkAESStream(b, cipher.NewCFBDecrypter, make([]byte, almost8K))
}

func BenchmarkAESOFB1K(b *testing.B) {
	benchmarkAESStream(b, cipher.NewOFB, make([]byte, almost1K))
}

func BenchmarkAESCTR1K(b *testing.B) {
	benchmarkAESStream(b, cipher.NewCTR, make([]byte, almost1K))
}

func BenchmarkAESCTR8K(b *testing.B) {
	benchmarkAESStream(b, cipher.NewCTR, make([]byte, almost8K))
}

func BenchmarkAESCBCEncrypt1K(b *testing.B) {
	buf := make([]byte, 1024)
	b.SetBytes(int64(len(buf)))

var key [16]byte
	var iv [16]byte
	aes, _ := aes.NewCipher(key[:])
	cbc := cipher.NewCBCEncrypter(aes, iv[:])
	for i := 0; i < b.N; i++ {
		cbc.CryptBlocks(buf, buf)
	}
}

func BenchmarkAESCBCDecrypt1K(b *testing.B) {
	buf := make([]byte, 1024)
	b.SetBytes(int64(len(buf)))

var key [16]byte
	var iv [16]byte
	aes, _ := aes.NewCipher(key[:])
	cbc := cipher.NewCBCDecrypter(aes, iv[:])
	for i := 0; i < b.N; i++ {
		cbc.CryptBlocks(buf, buf)
	}
}

${this.title}

Code Editor : benchmark_test.go