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package signed
import (
"encoding/pem"
"testing"
"github.com/endophage/gotuf/data"
)
const (
testKeyPEM1 = "-----BEGIN PUBLIC KEY-----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\n1ANMFPxDQpHudCLxwCzjCb+sVa20HBRPTnzo8LSZkI6jAgMBAAE=\n-----END PUBLIC KEY-----"
testKeyID1 = "51324b59d4888faa91219ebbe5a3876bb4efb21f0602ddf363cd4c3996ded3d4"
testKeyPEM2 = "-----BEGIN PUBLIC KEY-----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\niekEu4drSxpH41inLGSvdByDWLpcTvWQI9nkgclh3AT/AgMBAAE=\n-----END PUBLIC KEY-----"
testKeyID2 = "26f2f5c0fbfa98823bf1ad39d5f3b32575895793baf80f1df675597d5b95dba8"
)
type FailingCryptoService struct {
testKey data.PublicKey
}
func (mts *FailingCryptoService) Sign(keyIDs []string, _ []byte) ([]data.Signature, error) {
sigs := make([]data.Signature, 0, len(keyIDs))
return sigs, nil
}
func (mts *FailingCryptoService) Create(_ string, _ data.KeyAlgorithm) (data.PublicKey, error) {
return mts.testKey, nil
}
func (mts *FailingCryptoService) GetKey(keyID string) data.PublicKey {
if keyID == "testID" {
return mts.testKey
}
return nil
}
func (mts *FailingCryptoService) RemoveKey(keyID string) error {
return nil
}
type MockCryptoService struct {
testKey data.PublicKey
}
func (mts *MockCryptoService) Sign(keyIDs []string, _ []byte) ([]data.Signature, error) {
sigs := make([]data.Signature, 0, len(keyIDs))
for _, keyID := range keyIDs {
sigs = append(sigs, data.Signature{KeyID: keyID})
}
return sigs, nil
}
func (mts *MockCryptoService) Create(_ string, _ data.KeyAlgorithm) (data.PublicKey, error) {
return mts.testKey, nil
}
func (mts *MockCryptoService) GetKey(keyID string) data.PublicKey {
if keyID == "testID" {
return mts.testKey
}
return nil
}
func (mts *MockCryptoService) RemoveKey(keyID string) error {
return nil
}
var _ CryptoService = &MockCryptoService{}
// Test signing and ensure the expected signature is added
func TestBasicSign(t *testing.T) {
testKey, _ := pem.Decode([]byte(testKeyPEM1))
k := data.NewPublicKey(data.RSAKey, testKey.Bytes)
mockCryptoService := &MockCryptoService{testKey: k}
key, err := mockCryptoService.Create("root", data.ED25519Key)
if err != nil {
t.Fatal(err)
}
testData := data.Signed{}
Sign(mockCryptoService, &testData, key)
if len(testData.Signatures) != 1 {
t.Fatalf("Incorrect number of signatures: %d", len(testData.Signatures))
}
if testData.Signatures[0].KeyID != testKeyID1 {
t.Fatalf("Wrong signature ID returned: %s", testData.Signatures[0].KeyID)
}
}
// Test signing with the same key multiple times only registers a single signature
// for the key (N.B. MockCryptoService.Sign will still be called again, but Signer.Sign
// should be cleaning previous signatures by the KeyID when asked to sign again)
func TestReSign(t *testing.T) {
testKey, _ := pem.Decode([]byte(testKeyPEM1))
k := data.NewPublicKey(data.RSAKey, testKey.Bytes)
mockCryptoService := &MockCryptoService{testKey: k}
testData := data.Signed{}
Sign(mockCryptoService, &testData, k)
Sign(mockCryptoService, &testData, k)
if len(testData.Signatures) != 1 {
t.Fatalf("Incorrect number of signatures: %d", len(testData.Signatures))
}
if testData.Signatures[0].KeyID != testKeyID1 {
t.Fatalf("Wrong signature ID returned: %s", testData.Signatures[0].KeyID)
}
}
func TestMultiSign(t *testing.T) {
mockCryptoService := &MockCryptoService{}
testData := data.Signed{}
testKey, _ := pem.Decode([]byte(testKeyPEM1))
key := data.NewPublicKey(data.RSAKey, testKey.Bytes)
Sign(mockCryptoService, &testData, key)
testKey, _ = pem.Decode([]byte(testKeyPEM2))
key = data.NewPublicKey(data.RSAKey, testKey.Bytes)
Sign(mockCryptoService, &testData, key)
if len(testData.Signatures) != 2 {
t.Fatalf("Incorrect number of signatures: %d", len(testData.Signatures))
}
keyIDs := map[string]struct{}{testKeyID1: struct{}{}, testKeyID2: struct{}{}}
for _, sig := range testData.Signatures {
if _, ok := keyIDs[sig.KeyID]; !ok {
t.Fatalf("Got a signature we didn't expect: %s", sig.KeyID)
}
}
}
func TestSignReturnsNoSigs(t *testing.T) {
failingCryptoService := &FailingCryptoService{}
testData := data.Signed{}
testKey, _ := pem.Decode([]byte(testKeyPEM1))
key := data.NewPublicKey(data.RSAKey, testKey.Bytes)
err := Sign(failingCryptoService, &testData, key)
if err == nil {
t.Fatalf("Expected failure due to no signature being returned by the crypto service")
}
if len(testData.Signatures) != 0 {
t.Fatalf("Incorrect number of signatures, expected 0: %d", len(testData.Signatures))
}
}
func TestCreate(t *testing.T) {
testKey, _ := pem.Decode([]byte(testKeyPEM1))
k := data.NewPublicKey(data.RSAKey, testKey.Bytes)
mockCryptoService := &MockCryptoService{testKey: k}
key, err := mockCryptoService.Create("root", data.ED25519Key)
if err != nil {
t.Fatal(err)
}
if key.ID() != testKeyID1 {
t.Fatalf("Expected key ID not found: %s", key.ID())
}
}
|
