/usr/share/gocode/src/golang.org/x/crypto/nacl/secretbox/secretbox_test.go is in golang-golang-x-crypto-dev 1:0.0~git20170629.0.5ef0053-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | // Copyright 2012 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 secretbox
import (
"bytes"
"crypto/rand"
"encoding/hex"
"testing"
)
func TestSealOpen(t *testing.T) {
var key [32]byte
var nonce [24]byte
rand.Reader.Read(key[:])
rand.Reader.Read(nonce[:])
var box, opened []byte
for msgLen := 0; msgLen < 128; msgLen += 17 {
message := make([]byte, msgLen)
rand.Reader.Read(message)
box = Seal(box[:0], message, &nonce, &key)
var ok bool
opened, ok = Open(opened[:0], box, &nonce, &key)
if !ok {
t.Errorf("%d: failed to open box", msgLen)
continue
}
if !bytes.Equal(opened, message) {
t.Errorf("%d: got %x, expected %x", msgLen, opened, message)
continue
}
}
for i := range box {
box[i] ^= 0x20
_, ok := Open(opened[:0], box, &nonce, &key)
if ok {
t.Errorf("box was opened after corrupting byte %d", i)
}
box[i] ^= 0x20
}
}
func TestSecretBox(t *testing.T) {
var key [32]byte
var nonce [24]byte
var message [64]byte
for i := range key[:] {
key[i] = 1
}
for i := range nonce[:] {
nonce[i] = 2
}
for i := range message[:] {
message[i] = 3
}
box := Seal(nil, message[:], &nonce, &key)
// expected was generated using the C implementation of NaCl.
expected, _ := hex.DecodeString("8442bc313f4626f1359e3b50122b6ce6fe66ddfe7d39d14e637eb4fd5b45beadab55198df6ab5368439792a23c87db70acb6156dc5ef957ac04f6276cf6093b84be77ff0849cc33e34b7254d5a8f65ad")
if !bytes.Equal(box, expected) {
t.Fatalf("box didn't match, got\n%x\n, expected\n%x", box, expected)
}
}
func TestAppend(t *testing.T) {
var key [32]byte
var nonce [24]byte
var message [8]byte
out := make([]byte, 4)
box := Seal(out, message[:], &nonce, &key)
if !bytes.Equal(box[:4], out[:4]) {
t.Fatalf("Seal didn't correctly append")
}
out = make([]byte, 4, 100)
box = Seal(out, message[:], &nonce, &key)
if !bytes.Equal(box[:4], out[:4]) {
t.Fatalf("Seal didn't correctly append with sufficient capacity.")
}
}
func benchmarkSealSize(b *testing.B, size int) {
message := make([]byte, size)
out := make([]byte, size+Overhead)
var nonce [24]byte
var key [32]byte
b.SetBytes(int64(size))
b.ResetTimer()
for i := 0; i < b.N; i++ {
out = Seal(out[:0], message, &nonce, &key)
}
}
func BenchmarkSeal8Bytes(b *testing.B) {
benchmarkSealSize(b, 8)
}
func BenchmarkSeal100Bytes(b *testing.B) {
benchmarkSealSize(b, 100)
}
func BenchmarkSeal1K(b *testing.B) {
benchmarkSealSize(b, 1024)
}
func BenchmarkSeal8K(b *testing.B) {
benchmarkSealSize(b, 8192)
}
func benchmarkOpenSize(b *testing.B, size int) {
msg := make([]byte, size)
result := make([]byte, size)
var nonce [24]byte
var key [32]byte
box := Seal(nil, msg, &nonce, &key)
b.SetBytes(int64(size))
b.ResetTimer()
for i := 0; i < b.N; i++ {
if _, ok := Open(result[:0], box, &nonce, &key); !ok {
panic("Open failed")
}
}
}
func BenchmarkOpen8Bytes(b *testing.B) {
benchmarkOpenSize(b, 8)
}
func BenchmarkOpen100Bytes(b *testing.B) {
benchmarkOpenSize(b, 100)
}
func BenchmarkOpen1K(b *testing.B) {
benchmarkOpenSize(b, 1024)
}
func BenchmarkOpen8K(b *testing.B) {
benchmarkOpenSize(b, 8192)
}
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