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// 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 s2k
import (
"bytes"
"crypto"
_ "crypto/md5"
"crypto/rand"
"crypto/sha1"
_ "crypto/sha256"
_ "crypto/sha512"
"encoding/hex"
"testing"
_ "golang.org/x/crypto/ripemd160"
)
var saltedTests = []struct {
in, out string
}{
{"hello", "10295ac1"},
{"world", "ac587a5e"},
{"foo", "4dda8077"},
{"bar", "bd8aac6b9ea9cae04eae6a91c6133b58b5d9a61c14f355516ed9370456"},
{"x", "f1d3f289"},
{"xxxxxxxxxxxxxxxxxxxxxxx", "e00d7b45"},
}
func TestSalted(t *testing.T) {
h := sha1.New()
salt := [4]byte{1, 2, 3, 4}
for i, test := range saltedTests {
expected, _ := hex.DecodeString(test.out)
out := make([]byte, len(expected))
Salted(out, h, []byte(test.in), salt[:])
if !bytes.Equal(expected, out) {
t.Errorf("#%d, got: %x want: %x", i, out, expected)
}
}
}
var iteratedTests = []struct {
in, out string
}{
{"hello", "83126105"},
{"world", "6fa317f9"},
{"foo", "8fbc35b9"},
{"bar", "2af5a99b54f093789fd657f19bd245af7604d0f6ae06f66602a46a08ae"},
{"x", "5a684dfe"},
{"xxxxxxxxxxxxxxxxxxxxxxx", "18955174"},
}
func TestIterated(t *testing.T) {
h := sha1.New()
salt := [4]byte{4, 3, 2, 1}
for i, test := range iteratedTests {
expected, _ := hex.DecodeString(test.out)
out := make([]byte, len(expected))
Iterated(out, h, []byte(test.in), salt[:], 31)
if !bytes.Equal(expected, out) {
t.Errorf("#%d, got: %x want: %x", i, out, expected)
}
}
}
var parseTests = []struct {
spec, in, out string
}{
/* Simple with SHA1 */
{"0002", "hello", "aaf4c61d"},
/* Salted with SHA1 */
{"01020102030405060708", "hello", "f4f7d67e"},
/* Iterated with SHA1 */
{"03020102030405060708f1", "hello", "f2a57b7c"},
}
func TestParse(t *testing.T) {
for i, test := range parseTests {
spec, _ := hex.DecodeString(test.spec)
buf := bytes.NewBuffer(spec)
f, err := Parse(buf)
if err != nil {
t.Errorf("%d: Parse returned error: %s", i, err)
continue
}
expected, _ := hex.DecodeString(test.out)
out := make([]byte, len(expected))
f(out, []byte(test.in))
if !bytes.Equal(out, expected) {
t.Errorf("%d: output got: %x want: %x", i, out, expected)
}
if testing.Short() {
break
}
}
}
func TestSerialize(t *testing.T) {
hashes := []crypto.Hash{crypto.MD5, crypto.SHA1, crypto.RIPEMD160,
crypto.SHA256, crypto.SHA384, crypto.SHA512, crypto.SHA224}
testCounts := []int{-1, 0, 1024, 65536, 4063232, 65011712}
for _, h := range hashes {
for _, c := range testCounts {
testSerializeConfig(t, &Config{Hash: h, S2KCount: c})
}
}
}
func testSerializeConfig(t *testing.T, c *Config) {
t.Logf("Running testSerializeConfig() with config: %+v", c)
buf := bytes.NewBuffer(nil)
key := make([]byte, 16)
passphrase := []byte("testing")
err := Serialize(buf, key, rand.Reader, passphrase, c)
if err != nil {
t.Errorf("failed to serialize: %s", err)
return
}
f, err := Parse(buf)
if err != nil {
t.Errorf("failed to reparse: %s", err)
return
}
key2 := make([]byte, len(key))
f(key2, passphrase)
if !bytes.Equal(key2, key) {
t.Errorf("keys don't match: %x (serialied) vs %x (parsed)", key, key2)
}
}
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