Openpgp security update (V2) (#31)

* Change keyring unlock functionalities

* Add keyring#Lock, keyring#CheckIntegrity, tests

* Update helpers, fix bugs

* Update go.mod with ProtonMail/crypto commit

* Change key management system

* Clear keys from memory + tests

* Create SessionKey with direct encryption for datapackets. Move symmetrickey to password.

* Fix upstream dependencies

* Update module to V2, documentation

* Add linter

* Add v2 folder to .gitignore

* Minor changes to KeyID getters

* Remove old changelog

* Improve docs, remove compilation script
This commit is contained in:
wussler 2019-12-27 19:35:43 +01:00 committed by GitHub
parent 136c0a5495
commit 54f45d0471
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
46 changed files with 2588 additions and 1770 deletions

View file

@ -4,48 +4,47 @@ import (
"bytes"
"encoding/base64"
"io"
"strings"
"testing"
"github.com/stretchr/testify/assert"
"golang.org/x/crypto/openpgp/packet"
)
func TestTextMessageEncryptionWithSymmetricKey(t *testing.T) {
func TestTextMessageEncryptionWithPassword(t *testing.T) {
var message = NewPlainMessageFromString("The secret code is... 1, 2, 3, 4, 5")
// Encrypt data with password
encrypted, err := testSymmetricKey.Encrypt(message)
encrypted, err := EncryptMessageWithPassword(message, testSymmetricKey)
if err != nil {
t.Fatal("Expected no error when encrypting, got:", err)
}
// Decrypt data with wrong password
_, err = testWrongSymmetricKey.Decrypt(encrypted)
_, err = DecryptMessageWithPassword(encrypted, []byte("Wrong password"))
assert.NotNil(t, err)
// Decrypt data with the good password
decrypted, err := testSymmetricKey.Decrypt(encrypted)
decrypted, err := DecryptMessageWithPassword(encrypted, testSymmetricKey)
if err != nil {
t.Fatal("Expected no error when decrypting, got:", err)
}
assert.Exactly(t, message.GetString(), decrypted.GetString())
}
func TestBinaryMessageEncryptionWithSymmetricKey(t *testing.T) {
func TestBinaryMessageEncryptionWithPassword(t *testing.T) {
binData, _ := base64.StdEncoding.DecodeString("ExXmnSiQ2QCey20YLH6qlLhkY3xnIBC1AwlIXwK/HvY=")
var message = NewPlainMessage(binData)
// Encrypt data with password
encrypted, err := testSymmetricKey.Encrypt(message)
encrypted, err := EncryptMessageWithPassword(message, testSymmetricKey)
if err != nil {
t.Fatal("Expected no error when encrypting, got:", err)
}
// Decrypt data with wrong password
_, err = testWrongSymmetricKey.Decrypt(encrypted)
_, err = DecryptMessageWithPassword(encrypted, []byte("Wrong password"))
assert.NotNil(t, err)
// Decrypt data with the good password
decrypted, err := testSymmetricKey.Decrypt(encrypted)
decrypted, err := DecryptMessageWithPassword(encrypted, testSymmetricKey)
if err != nil {
t.Fatal("Expected no error when decrypting, got:", err)
}
@ -55,21 +54,12 @@ func TestBinaryMessageEncryptionWithSymmetricKey(t *testing.T) {
func TestTextMessageEncryption(t *testing.T) {
var message = NewPlainMessageFromString("plain text")
testPublicKeyRing, _ = BuildKeyRingArmored(readTestFile("keyring_publicKey", false))
testPrivateKeyRing, err = BuildKeyRingArmored(readTestFile("keyring_privateKey", false))
// Password defined in keyring_test
err = testPrivateKeyRing.UnlockWithPassphrase(testMailboxPassword)
if err != nil {
t.Fatal("Expected no error unlocking privateKey, got:", err)
}
ciphertext, err := testPublicKeyRing.Encrypt(message, testPrivateKeyRing)
ciphertext, err := keyRingTestPublic.Encrypt(message, keyRingTestPrivate)
if err != nil {
t.Fatal("Expected no error when encrypting, got:", err)
}
decrypted, err := testPrivateKeyRing.Decrypt(ciphertext, testPublicKeyRing, GetUnixTime())
decrypted, err := keyRingTestPrivate.Decrypt(ciphertext, keyRingTestPublic, GetUnixTime())
if err != nil {
t.Fatal("Expected no error when decrypting, got:", err)
}
@ -80,28 +70,19 @@ func TestBinaryMessageEncryption(t *testing.T) {
binData, _ := base64.StdEncoding.DecodeString("ExXmnSiQ2QCey20YLH6qlLhkY3xnIBC1AwlIXwK/HvY=")
var message = NewPlainMessage(binData)
testPublicKeyRing, _ = BuildKeyRingArmored(readTestFile("keyring_publicKey", false))
testPrivateKeyRing, err = BuildKeyRingArmored(readTestFile("keyring_privateKey", false))
// Password defined in keyring_test
err = testPrivateKeyRing.UnlockWithPassphrase(testMailboxPassword)
if err != nil {
t.Fatal("Expected no error unlocking privateKey, got:", err)
}
ciphertext, err := testPublicKeyRing.Encrypt(message, testPrivateKeyRing)
ciphertext, err := keyRingTestPublic.Encrypt(message, keyRingTestPrivate)
if err != nil {
t.Fatal("Expected no error when encrypting, got:", err)
}
decrypted, err := testPrivateKeyRing.Decrypt(ciphertext, testPublicKeyRing, GetUnixTime())
decrypted, err := keyRingTestPrivate.Decrypt(ciphertext, keyRingTestPublic, GetUnixTime())
if err != nil {
t.Fatal("Expected no error when decrypting, got:", err)
}
assert.Exactly(t, message.GetBinary(), decrypted.GetBinary())
// Decrypt without verifying
decrypted, err = testPrivateKeyRing.Decrypt(ciphertext, nil, 0)
decrypted, err = keyRingTestPrivate.Decrypt(ciphertext, nil, 0)
if err != nil {
t.Fatal("Expected no error when decrypting, got:", err)
}
@ -109,29 +90,40 @@ func TestBinaryMessageEncryption(t *testing.T) {
}
func TestIssue11(t *testing.T) {
myKeyring, err := BuildKeyRingArmored(readTestFile("issue11_privatekey", false))
var issue11Password = []byte("1234")
issue11Key, err := NewKeyFromArmored(readTestFile("issue11_privatekey", false))
if err != nil {
t.Fatal("Expected no error while unarmoring private keyring, got:", err)
}
issue11Key, err = issue11Key.Unlock(issue11Password)
if err != nil {
t.Fatal("Expected no error while unlocking private key, got:", err)
}
issue11Keyring, err := NewKeyRing(issue11Key)
if err != nil {
t.Fatal("Expected no error while bulding private keyring, got:", err)
}
err = myKeyring.UnlockWithPassphrase("1234");
senderKey, err := NewKeyFromArmored(readTestFile("issue11_publickey", false))
if err != nil {
t.Fatal("Expected no error while unlocking private keyring, got:", err)
t.Fatal("Expected no error while unarmoring public keyring, got:", err)
}
assert.Exactly(t, "643b3595e6ee4fdf", senderKey.GetHexKeyID())
senderKeyring, err := BuildKeyRingArmored(readTestFile("issue11_publickey", false))
senderKeyring, err := NewKeyRing(senderKey)
if err != nil {
t.Fatal("Expected no error while building public keyring, got:", err)
}
assert.Exactly(t, []uint64{0x643b3595e6ee4fdf}, senderKeyring.KeyIds())
pgpMessage, err := NewPGPMessageFromArmored(readTestFile("issue11_message", false))
if err != nil {
t.Fatal("Expected no error while unlocking private keyring, got:", err)
}
plainMessage, err := myKeyring.Decrypt(pgpMessage, senderKeyring, 0)
plainMessage, err := issue11Keyring.Decrypt(pgpMessage, senderKeyring, 0)
if err != nil {
t.Fatal("Expected no error while decrypting/verifying, got:", err)
}
@ -140,20 +132,12 @@ func TestIssue11(t *testing.T) {
}
func TestSignedMessageDecryption(t *testing.T) {
testPrivateKeyRing, err = BuildKeyRingArmored(readTestFile("keyring_privateKey", false))
// Password defined in keyring_test
err = testPrivateKeyRing.UnlockWithPassphrase(testMailboxPassword)
if err != nil {
t.Fatal("Expected no error unlocking privateKey, got:", err)
}
pgpMessage, err := NewPGPMessageFromArmored(readTestFile("message_signed", false))
if err != nil {
t.Fatal("Expected no error when unarmoring, got:", err)
}
decrypted, err := testPrivateKeyRing.Decrypt(pgpMessage, nil, 0)
decrypted, err := keyRingTestPrivate.Decrypt(pgpMessage, nil, 0)
if err != nil {
t.Fatal("Expected no error when decrypting, got:", err)
}
@ -162,24 +146,9 @@ func TestSignedMessageDecryption(t *testing.T) {
func TestMultipleKeyMessageEncryption(t *testing.T) {
var message = NewPlainMessageFromString("plain text")
assert.Exactly(t, 3, len(keyRingTestMultiple.entities))
testPublicKeyRing, _ = BuildKeyRingArmored(readTestFile("keyring_publicKey", false))
err = testPublicKeyRing.ReadFrom(strings.NewReader(readTestFile("mime_publicKey", false)), true)
if err != nil {
t.Fatal("Expected no error adding second public key, got:", err)
}
assert.Exactly(t, 2, len(testPublicKeyRing.entities))
testPrivateKeyRing, err = BuildKeyRingArmored(readTestFile("keyring_privateKey", false))
// Password defined in keyring_test
err = testPrivateKeyRing.UnlockWithPassphrase(testMailboxPassword)
if err != nil {
t.Fatal("Expected no error unlocking privateKey, got:", err)
}
ciphertext, err := testPublicKeyRing.Encrypt(message, testPrivateKeyRing)
ciphertext, err := keyRingTestMultiple.Encrypt(message, keyRingTestPrivate)
if err != nil {
t.Fatal("Expected no error when encrypting, got:", err)
}
@ -189,17 +158,15 @@ func TestMultipleKeyMessageEncryption(t *testing.T) {
for {
var p packet.Packet
if p, err = packets.Next(); err == io.EOF {
err = nil
break
}
switch p.(type) {
case *packet.EncryptedKey:
numKeyPackets++
if _, ok := p.(*packet.EncryptedKey); ok {
numKeyPackets++
}
}
assert.Exactly(t, 2, numKeyPackets)
assert.Exactly(t, 3, numKeyPackets)
decrypted, err := testPrivateKeyRing.Decrypt(ciphertext, testPublicKeyRing, GetUnixTime())
decrypted, err := keyRingTestPrivate.Decrypt(ciphertext, keyRingTestPublic, GetUnixTime())
if err != nil {
t.Fatal("Expected no error when decrypting, got:", err)
}