244 lines
6.8 KiB
Go
244 lines
6.8 KiB
Go
// Copyright 2011 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 bcrypt
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"testing"
|
|
)
|
|
|
|
func TestBcryptingIsEasy(t *testing.T) {
|
|
pass := []byte("mypassword")
|
|
hp, err := GenerateFromPassword(pass, 0)
|
|
if err != nil {
|
|
t.Fatalf("GenerateFromPassword error: %s", err)
|
|
}
|
|
|
|
if CompareHashAndPassword(hp, pass) != nil {
|
|
t.Errorf("%v should hash %s correctly", hp, pass)
|
|
}
|
|
|
|
notPass := "notthepass"
|
|
err = CompareHashAndPassword(hp, []byte(notPass))
|
|
if err != ErrMismatchedHashAndPassword {
|
|
t.Errorf("%v and %s should be mismatched", hp, notPass)
|
|
}
|
|
}
|
|
|
|
func TestBcryptingIsCorrect(t *testing.T) {
|
|
pass := []byte("allmine")
|
|
salt := []byte("XajjQvNhvvRt5GSeFk1xFe")
|
|
expectedHash := []byte("$2a$10$XajjQvNhvvRt5GSeFk1xFeyqRrsxkhBkUiQeg0dt.wU1qD4aFDcga")
|
|
|
|
hash, err := bcrypt(pass, 10, salt)
|
|
if err != nil {
|
|
t.Fatalf("bcrypt blew up: %v", err)
|
|
}
|
|
if !bytes.HasSuffix(expectedHash, hash) {
|
|
t.Errorf("%v should be the suffix of %v", hash, expectedHash)
|
|
}
|
|
|
|
h, err := newFromHash(expectedHash)
|
|
if err != nil {
|
|
t.Errorf("Unable to parse %s: %v", string(expectedHash), err)
|
|
}
|
|
|
|
// This is not the safe way to compare these hashes. We do this only for
|
|
// testing clarity. Use bcrypt.CompareHashAndPassword()
|
|
if err == nil && !bytes.Equal(expectedHash, h.Hash()) {
|
|
t.Errorf("Parsed hash %v should equal %v", h.Hash(), expectedHash)
|
|
}
|
|
}
|
|
|
|
func TestVeryShortPasswords(t *testing.T) {
|
|
key := []byte("k")
|
|
salt := []byte("XajjQvNhvvRt5GSeFk1xFe")
|
|
_, err := bcrypt(key, 10, salt)
|
|
if err != nil {
|
|
t.Errorf("One byte key resulted in error: %s", err)
|
|
}
|
|
}
|
|
|
|
func TestTooLongPasswordsWork(t *testing.T) {
|
|
salt := []byte("XajjQvNhvvRt5GSeFk1xFe")
|
|
// One byte over the usual 56 byte limit that blowfish has
|
|
tooLongPass := []byte("012345678901234567890123456789012345678901234567890123456")
|
|
tooLongExpected := []byte("$2a$10$XajjQvNhvvRt5GSeFk1xFe5l47dONXg781AmZtd869sO8zfsHuw7C")
|
|
hash, err := bcrypt(tooLongPass, 10, salt)
|
|
if err != nil {
|
|
t.Fatalf("bcrypt blew up on long password: %v", err)
|
|
}
|
|
if !bytes.HasSuffix(tooLongExpected, hash) {
|
|
t.Errorf("%v should be the suffix of %v", hash, tooLongExpected)
|
|
}
|
|
}
|
|
|
|
type InvalidHashTest struct {
|
|
err error
|
|
hash []byte
|
|
}
|
|
|
|
var invalidTests = []InvalidHashTest{
|
|
{ErrHashTooShort, []byte("$2a$10$fooo")},
|
|
{ErrHashTooShort, []byte("$2a")},
|
|
{HashVersionTooNewError('3'), []byte("$3a$10$sssssssssssssssssssssshhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh")},
|
|
{InvalidHashPrefixError('%'), []byte("%2a$10$sssssssssssssssssssssshhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh")},
|
|
{InvalidCostError(32), []byte("$2a$32$sssssssssssssssssssssshhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh")},
|
|
}
|
|
|
|
func TestInvalidHashErrors(t *testing.T) {
|
|
check := func(name string, expected, err error) {
|
|
if err == nil {
|
|
t.Errorf("%s: Should have returned an error", name)
|
|
}
|
|
if err != nil && err != expected {
|
|
t.Errorf("%s gave err %v but should have given %v", name, err, expected)
|
|
}
|
|
}
|
|
for _, iht := range invalidTests {
|
|
_, err := newFromHash(iht.hash)
|
|
check("newFromHash", iht.err, err)
|
|
err = CompareHashAndPassword(iht.hash, []byte("anything"))
|
|
check("CompareHashAndPassword", iht.err, err)
|
|
}
|
|
}
|
|
|
|
func TestUnpaddedBase64Encoding(t *testing.T) {
|
|
original := []byte{101, 201, 101, 75, 19, 227, 199, 20, 239, 236, 133, 32, 30, 109, 243, 30}
|
|
encodedOriginal := []byte("XajjQvNhvvRt5GSeFk1xFe")
|
|
|
|
encoded := base64Encode(original)
|
|
|
|
if !bytes.Equal(encodedOriginal, encoded) {
|
|
t.Errorf("Encoded %v should have equaled %v", encoded, encodedOriginal)
|
|
}
|
|
|
|
decoded, err := base64Decode(encodedOriginal)
|
|
if err != nil {
|
|
t.Fatalf("base64Decode blew up: %s", err)
|
|
}
|
|
|
|
if !bytes.Equal(decoded, original) {
|
|
t.Errorf("Decoded %v should have equaled %v", decoded, original)
|
|
}
|
|
}
|
|
|
|
func TestCost(t *testing.T) {
|
|
suffix := "XajjQvNhvvRt5GSeFk1xFe5l47dONXg781AmZtd869sO8zfsHuw7C"
|
|
for _, vers := range []string{"2a", "2"} {
|
|
for _, cost := range []int{4, 10} {
|
|
s := fmt.Sprintf("$%s$%02d$%s", vers, cost, suffix)
|
|
h := []byte(s)
|
|
actual, err := Cost(h)
|
|
if err != nil {
|
|
t.Errorf("Cost, error: %s", err)
|
|
continue
|
|
}
|
|
if actual != cost {
|
|
t.Errorf("Cost, expected: %d, actual: %d", cost, actual)
|
|
}
|
|
}
|
|
}
|
|
_, err := Cost([]byte("$a$a$" + suffix))
|
|
if err == nil {
|
|
t.Errorf("Cost, malformed but no error returned")
|
|
}
|
|
}
|
|
|
|
func TestCostValidationInHash(t *testing.T) {
|
|
if testing.Short() {
|
|
return
|
|
}
|
|
|
|
pass := []byte("mypassword")
|
|
|
|
for c := 0; c < MinCost; c++ {
|
|
p, _ := newFromPassword(pass, c)
|
|
if p.cost != DefaultCost {
|
|
t.Errorf("newFromPassword should default costs below %d to %d, but was %d", MinCost, DefaultCost, p.cost)
|
|
}
|
|
}
|
|
|
|
p, _ := newFromPassword(pass, 14)
|
|
if p.cost != 14 {
|
|
t.Errorf("newFromPassword should default cost to 14, but was %d", p.cost)
|
|
}
|
|
|
|
hp, _ := newFromHash(p.Hash())
|
|
if p.cost != hp.cost {
|
|
t.Errorf("newFromHash should maintain the cost at %d, but was %d", p.cost, hp.cost)
|
|
}
|
|
|
|
_, err := newFromPassword(pass, 32)
|
|
if err == nil {
|
|
t.Fatalf("newFromPassword: should return a cost error")
|
|
}
|
|
if err != InvalidCostError(32) {
|
|
t.Errorf("newFromPassword: should return cost error, got %#v", err)
|
|
}
|
|
}
|
|
|
|
func TestCostReturnsWithLeadingZeroes(t *testing.T) {
|
|
hp, _ := newFromPassword([]byte("abcdefgh"), 7)
|
|
cost := hp.Hash()[4:7]
|
|
expected := []byte("07$")
|
|
|
|
if !bytes.Equal(expected, cost) {
|
|
t.Errorf("single digit costs in hash should have leading zeros: was %v instead of %v", cost, expected)
|
|
}
|
|
}
|
|
|
|
func TestMinorNotRequired(t *testing.T) {
|
|
noMinorHash := []byte("$2$10$XajjQvNhvvRt5GSeFk1xFeyqRrsxkhBkUiQeg0dt.wU1qD4aFDcga")
|
|
h, err := newFromHash(noMinorHash)
|
|
if err != nil {
|
|
t.Fatalf("No minor hash blew up: %s", err)
|
|
}
|
|
if h.minor != 0 {
|
|
t.Errorf("Should leave minor version at 0, but was %d", h.minor)
|
|
}
|
|
|
|
if !bytes.Equal(noMinorHash, h.Hash()) {
|
|
t.Errorf("Should generate hash %v, but created %v", noMinorHash, h.Hash())
|
|
}
|
|
}
|
|
|
|
func BenchmarkEqual(b *testing.B) {
|
|
b.StopTimer()
|
|
passwd := []byte("somepasswordyoulike")
|
|
hash, _ := GenerateFromPassword(passwd, DefaultCost)
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
CompareHashAndPassword(hash, passwd)
|
|
}
|
|
}
|
|
|
|
func BenchmarkDefaultCost(b *testing.B) {
|
|
b.StopTimer()
|
|
passwd := []byte("mylongpassword1234")
|
|
b.StartTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
GenerateFromPassword(passwd, DefaultCost)
|
|
}
|
|
}
|
|
|
|
// See Issue https://github.com/golang/go/issues/20425.
|
|
func TestNoSideEffectsFromCompare(t *testing.T) {
|
|
source := []byte("passw0rd123456")
|
|
password := source[:len(source)-6]
|
|
token := source[len(source)-6:]
|
|
want := make([]byte, len(source))
|
|
copy(want, source)
|
|
|
|
wantHash := []byte("$2a$10$LK9XRuhNxHHCvjX3tdkRKei1QiCDUKrJRhZv7WWZPuQGRUM92rOUa")
|
|
_ = CompareHashAndPassword(wantHash, password)
|
|
|
|
got := bytes.Join([][]byte{password, token}, []byte(""))
|
|
if !bytes.Equal(got, want) {
|
|
t.Errorf("got=%q want=%q", got, want)
|
|
}
|
|
}
|