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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 packet
import (
"bytes"
"crypto/rand"
"encoding/hex"
"io"
"io/ioutil"
"testing"
)
func TestSymmetricKeyEncrypted(t *testing.T) {
buf := readerFromHex(symmetricallyEncryptedHex)
packet, err := Read(buf)
if err != nil {
t.Errorf("failed to read SymmetricKeyEncrypted: %s", err)
return
}
ske, ok := packet.(*SymmetricKeyEncrypted)
if !ok {
t.Error("didn't find SymmetricKeyEncrypted packet")
return
}
err = ske.Decrypt([]byte("password"))
if err != nil {
t.Error(err)
return
}
packet, err = Read(buf)
if err != nil {
t.Errorf("failed to read SymmetricallyEncrypted: %s", err)
return
}
se, ok := packet.(*SymmetricallyEncrypted)
if !ok {
t.Error("didn't find SymmetricallyEncrypted packet")
return
}
r, err := se.Decrypt(ske.CipherFunc, ske.Key)
if err != nil {
t.Error(err)
return
}
contents, err := ioutil.ReadAll(r)
if err != nil && err != io.EOF {
t.Error(err)
return
}
expectedContents, _ := hex.DecodeString(symmetricallyEncryptedContentsHex)
if !bytes.Equal(expectedContents, contents) {
t.Errorf("bad contents got:%x want:%x", contents, expectedContents)
}
}
const symmetricallyEncryptedHex = "8c0d04030302371a0b38d884f02060c91cf97c9973b8e58e028e9501708ccfe618fb92afef7fa2d80ddadd93cf"
const symmetricallyEncryptedContentsHex = "cb1062004d14c4df636f6e74656e74732e0a"
func TestSerializeSymmetricKeyEncrypted(t *testing.T) {
buf := bytes.NewBuffer(nil)
passphrase := []byte("testing")
cipherFunc := CipherAES128
key, err := SerializeSymmetricKeyEncrypted(buf, rand.Reader, passphrase, cipherFunc)
if err != nil {
t.Errorf("failed to serialize: %s", err)
return
}
p, err := Read(buf)
if err != nil {
t.Errorf("failed to reparse: %s", err)
return
}
ske, ok := p.(*SymmetricKeyEncrypted)
if !ok {
t.Errorf("parsed a different packet type: %#v", p)
return
}
if !ske.Encrypted {
t.Errorf("SKE not encrypted but should be")
}
if ske.CipherFunc != cipherFunc {
t.Errorf("SKE cipher function is %d (expected %d)", ske.CipherFunc, cipherFunc)
}
err = ske.Decrypt(passphrase)
if err != nil {
t.Errorf("failed to decrypt reparsed SKE: %s", err)
return
}
if !bytes.Equal(key, ske.Key) {
t.Errorf("keys don't match after Decrpyt: %x (original) vs %x (parsed)", key, ske.Key)
}
}
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