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authorOndřej Surý <ondrej@sury.org>2011-09-13 13:13:40 +0200
committerOndřej Surý <ondrej@sury.org>2011-09-13 13:13:40 +0200
commit5ff4c17907d5b19510a62e08fd8d3b11e62b431d (patch)
treec0650497e988f47be9c6f2324fa692a52dea82e1 /src/pkg/crypto/openpgp/packet/encrypted_key_test.go
parent80f18fc933cf3f3e829c5455a1023d69f7b86e52 (diff)
downloadgolang-upstream/60.tar.gz
Imported Upstream version 60upstream/60
Diffstat (limited to 'src/pkg/crypto/openpgp/packet/encrypted_key_test.go')
-rw-r--r--src/pkg/crypto/openpgp/packet/encrypted_key_test.go126
1 files changed, 126 insertions, 0 deletions
diff --git a/src/pkg/crypto/openpgp/packet/encrypted_key_test.go b/src/pkg/crypto/openpgp/packet/encrypted_key_test.go
new file mode 100644
index 000000000..b402245bd
--- /dev/null
+++ b/src/pkg/crypto/openpgp/packet/encrypted_key_test.go
@@ -0,0 +1,126 @@
+// 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 (
+ "big"
+ "bytes"
+ "crypto/rand"
+ "crypto/rsa"
+ "fmt"
+ "testing"
+)
+
+func bigFromBase10(s string) *big.Int {
+ b, ok := new(big.Int).SetString(s, 10)
+ if !ok {
+ panic("bigFromBase10 failed")
+ }
+ return b
+}
+
+var encryptedKeyPub = rsa.PublicKey{
+ E: 65537,
+ N: bigFromBase10("115804063926007623305902631768113868327816898845124614648849934718568541074358183759250136204762053879858102352159854352727097033322663029387610959884180306668628526686121021235757016368038585212410610742029286439607686208110250133174279811431933746643015923132833417396844716207301518956640020862630546868823"),
+}
+
+var encryptedKeyRSAPriv = &rsa.PrivateKey{
+ PublicKey: encryptedKeyPub,
+ D: bigFromBase10("32355588668219869544751561565313228297765464314098552250409557267371233892496951383426602439009993875125222579159850054973310859166139474359774543943714622292329487391199285040721944491839695981199720170366763547754915493640685849961780092241140181198779299712578774460837139360803883139311171713302987058393"),
+}
+
+var encryptedKeyPriv = &PrivateKey{
+ PublicKey: PublicKey{
+ PubKeyAlgo: PubKeyAlgoRSA,
+ },
+ PrivateKey: encryptedKeyRSAPriv,
+}
+
+func TestDecryptingEncryptedKey(t *testing.T) {
+ const encryptedKeyHex = "c18c032a67d68660df41c70104005789d0de26b6a50c985a02a13131ca829c413a35d0e6fa8d6842599252162808ac7439c72151c8c6183e76923fe3299301414d0c25a2f06a2257db3839e7df0ec964773f6e4c4ac7ff3b48c444237166dd46ba8ff443a5410dc670cb486672fdbe7c9dfafb75b4fea83af3a204fe2a7dfa86bd20122b4f3d2646cbeecb8f7be8"
+ const expectedKeyHex = "d930363f7e0308c333b9618617ea728963d8df993665ae7be1092d4926fd864b"
+
+ p, err := Read(readerFromHex(encryptedKeyHex))
+ if err != nil {
+ t.Errorf("error from Read: %s", err)
+ return
+ }
+ ek, ok := p.(*EncryptedKey)
+ if !ok {
+ t.Errorf("didn't parse an EncryptedKey, got %#v", p)
+ return
+ }
+
+ if ek.KeyId != 0x2a67d68660df41c7 || ek.Algo != PubKeyAlgoRSA {
+ t.Errorf("unexpected EncryptedKey contents: %#v", ek)
+ return
+ }
+
+ err = ek.Decrypt(encryptedKeyPriv)
+ if err != nil {
+ t.Errorf("error from Decrypt: %s", err)
+ return
+ }
+
+ if ek.CipherFunc != CipherAES256 {
+ t.Errorf("unexpected EncryptedKey contents: %#v", ek)
+ return
+ }
+
+ keyHex := fmt.Sprintf("%x", ek.Key)
+ if keyHex != expectedKeyHex {
+ t.Errorf("bad key, got %s want %x", keyHex, expectedKeyHex)
+ }
+}
+
+func TestEncryptingEncryptedKey(t *testing.T) {
+ key := []byte{1, 2, 3, 4}
+ const expectedKeyHex = "01020304"
+ const keyId = 42
+
+ pub := &PublicKey{
+ PublicKey: &encryptedKeyPub,
+ KeyId: keyId,
+ PubKeyAlgo: PubKeyAlgoRSAEncryptOnly,
+ }
+
+ buf := new(bytes.Buffer)
+ err := SerializeEncryptedKey(buf, rand.Reader, pub, CipherAES128, key)
+ if err != nil {
+ t.Errorf("error writing encrypted key packet: %s", err)
+ }
+
+ p, err := Read(buf)
+ if err != nil {
+ t.Errorf("error from Read: %s", err)
+ return
+ }
+ ek, ok := p.(*EncryptedKey)
+ if !ok {
+ t.Errorf("didn't parse an EncryptedKey, got %#v", p)
+ return
+ }
+
+ if ek.KeyId != keyId || ek.Algo != PubKeyAlgoRSAEncryptOnly {
+ t.Errorf("unexpected EncryptedKey contents: %#v", ek)
+ return
+ }
+
+ err = ek.Decrypt(encryptedKeyPriv)
+ if err != nil {
+ t.Errorf("error from Decrypt: %s", err)
+ return
+ }
+
+ if ek.CipherFunc != CipherAES128 {
+ t.Errorf("unexpected EncryptedKey contents: %#v", ek)
+ return
+ }
+
+ keyHex := fmt.Sprintf("%x", ek.Key)
+ if keyHex != expectedKeyHex {
+ t.Errorf("bad key, got %s want %x", keyHex, expectedKeyHex)
+ }
+}