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package crypto
import (
"crypto/rsa"
"testing"
"github.com/stretchr/testify/assert"
"github.com/ProtonMail/go-crypto/openpgp/ecdh"
"github.com/ProtonMail/go-crypto/openpgp/eddsa"
)
var testSymmetricKey []byte
// Password for key in testdata/keyring_privateKeyLegacy: "123".
// Corresponding key in testdata/keyring_privateKey.
var testMailboxPassword = []byte("apple")
var (
keyRingTestPrivate *KeyRing
keyRingTestPublic *KeyRing
keyRingTestMultiple *KeyRing
)
var testIdentity = &Identity{
Name: "UserID",
Email: "",
}
func initKeyRings() {
var err error
testSymmetricKey, err = RandomToken(32)
if err != nil {
panic("Expected no error while generating random token, got:" + err.Error())
}
privateKey, err := NewKeyFromArmored(readTestFile("keyring_privateKey", false))
if err != nil {
panic("Expected no error while unarmoring private key, got:" + err.Error())
}
keyRingTestPrivate, err = NewKeyRing(privateKey)
if err == nil {
panic("Able to create a keyring with a locked key")
}
unlockedKey, err := privateKey.Unlock(testMailboxPassword)
if err != nil {
panic("Expected no error while unlocking private key, got:" + err.Error())
}
keyRingTestPrivate, err = NewKeyRing(unlockedKey)
if err != nil {
panic("Expected no error while building private keyring, got:" + err.Error())
}
publicKey, err := NewKeyFromArmored(readTestFile("keyring_publicKey", false))
if err != nil {
panic("Expected no error while unarmoring public key, got:" + err.Error())
}
keyRingTestPublic, err = NewKeyRing(publicKey)
if err != nil {
panic("Expected no error while building public keyring, got:" + err.Error())
}
keyRingTestMultiple, err = NewKeyRing(nil)
if err != nil {
panic("Expected no error while building empty keyring, got:" + err.Error())
}
err = keyRingTestMultiple.AddKey(keyTestRSA)
if err != nil {
panic("Expected no error while adding RSA key to keyring, got:" + err.Error())
}
err = keyRingTestMultiple.AddKey(keyTestEC)
if err != nil {
panic("Expected no error while adding EC key to keyring, got:" + err.Error())
}
err = keyRingTestMultiple.AddKey(unlockedKey)
if err != nil {
panic("Expected no error while adding unlocked key to keyring, got:" + err.Error())
}
}
func TestIdentities(t *testing.T) {
identities := keyRingTestPrivate.GetIdentities()
assert.Len(t, identities, 1)
assert.Exactly(t, identities[0], testIdentity)
}
func TestFilterExpiredKeys(t *testing.T) {
expiredKey, err := NewKeyFromArmored(readTestFile("key_expiredKey", false))
if err != nil {
t.Fatal("Cannot unarmor expired key:", err)
}
expiredKeyRing, err := NewKeyRing(expiredKey)
if err != nil {
t.Fatal("Cannot create keyring with expired key:", err)
}
keys := []*KeyRing{keyRingTestPrivate, expiredKeyRing}
unexpired, err := FilterExpiredKeys(keys)
if err != nil {
t.Fatal("Expected no error while filtering expired keyrings, got:", err)
}
assert.Len(t, unexpired, 1)
assert.Exactly(t, unexpired[0].GetKeyIDs(), keyRingTestPrivate.GetKeyIDs())
}
func TestKeyIds(t *testing.T) {
keyIDs := keyRingTestPrivate.GetKeyIDs()
var assertKeyIDs = []uint64{4518840640391470884}
assert.Exactly(t, assertKeyIDs, keyIDs)
}
func TestMultipleKeyRing(t *testing.T) {
assert.Exactly(t, 3, len(keyRingTestMultiple.entities))
assert.Exactly(t, 3, keyRingTestMultiple.CountEntities())
assert.Exactly(t, 3, keyRingTestMultiple.CountDecryptionEntities(testTime))
assert.Exactly(t, 3, len(keyRingTestMultiple.GetKeys()))
testKey, err := keyRingTestMultiple.GetKey(1)
if err != nil {
t.Fatal("Expected no error while extracting key, got:", err)
}
assert.Exactly(t, keyTestEC, testKey)
_, err = keyRingTestMultiple.GetKey(3)
assert.NotNil(t, err)
singleKeyRing, err := keyRingTestMultiple.FirstKey()
if err != nil {
t.Fatal("Expected no error while filtering the first key, got:", err)
}
assert.Exactly(t, 1, len(singleKeyRing.entities))
assert.Exactly(t, 1, singleKeyRing.CountEntities())
assert.Exactly(t, 1, singleKeyRing.CountDecryptionEntities(testTime))
}
func TestSerializeParse(t *testing.T) {
serialized, err := keyRingTestMultiple.Serialize()
assert.Nil(t, err)
parsed, err := NewKeyRingFromBinary(serialized)
assert.Nil(t, err)
assert.Exactly(t, 3, len(parsed.GetKeys()))
for i, parsedKey := range parsed.GetKeys() {
expectedKey, err := keyRingTestMultiple.GetKey(i)
assert.Nil(t, err)
assert.Exactly(t, parsedKey.GetFingerprint(), expectedKey.GetFingerprint())
}
}
func TestClearPrivateKey(t *testing.T) {
keyRingCopy, err := keyRingTestMultiple.Copy()
if err != nil {
t.Fatal("Expected no error while copying keyring, got:", err)
}
for _, key := range keyRingCopy.GetKeys() {
assert.Nil(t, clearPrivateKey(key.entity.PrivateKey.PrivateKey))
}
keys := keyRingCopy.GetKeys()
assertRSACleared(t, keys[0].entity.PrivateKey.PrivateKey.(*rsa.PrivateKey))
assertEdDSACleared(t, keys[1].entity.PrivateKey.PrivateKey.(*eddsa.PrivateKey))
assertRSACleared(t, keys[2].entity.PrivateKey.PrivateKey.(*rsa.PrivateKey))
}
func TestClearPrivateWithSubkeys(t *testing.T) {
keyRingCopy, err := keyRingTestMultiple.Copy()
if err != nil {
t.Fatal("Expected no error while copying keyring, got:", err)
}
for _, key := range keyRingCopy.GetKeys() {
assert.Exactly(t, 2, key.clearPrivateWithSubkeys())
}
keys := keyRingCopy.GetKeys()
assertRSACleared(t, keys[0].entity.PrivateKey.PrivateKey.(*rsa.PrivateKey))
assertRSACleared(t, keys[0].entity.Subkeys[0].PrivateKey.PrivateKey.(*rsa.PrivateKey))
assertEdDSACleared(t, keys[1].entity.PrivateKey.PrivateKey.(*eddsa.PrivateKey))
assertECDHCleared(t, keys[1].entity.Subkeys[0].PrivateKey.PrivateKey.(*ecdh.PrivateKey))
assertRSACleared(t, keys[2].entity.PrivateKey.PrivateKey.(*rsa.PrivateKey))
assertRSACleared(t, keys[2].entity.Subkeys[0].PrivateKey.PrivateKey.(*rsa.PrivateKey))
}
func TestClearPrivateParams(t *testing.T) {
keyRingCopy, err := keyRingTestMultiple.Copy()
if err != nil {
t.Fatal("Expected no error while copying keyring, got:", err)
}
for _, key := range keyRingCopy.GetKeys() {
assert.True(t, key.IsPrivate())
assert.True(t, key.ClearPrivateParams())
assert.False(t, key.IsPrivate())
assert.Nil(t, key.entity.PrivateKey)
assert.Nil(t, key.entity.Subkeys[0].PrivateKey)
assert.False(t, key.ClearPrivateParams())
}
}
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