Golang PrivateKey.ID方法代碼示例

// GenRootKey generates a new root key protected by a given passphrase
// TODO(diogo): show not create keys manually, should use a cryptoservice instead
func (km *KeyStoreManager) GenRootKey(algorithm, passphrase string) (string, error) {
	var err error
	var privKey *data.PrivateKey

	// We don't want external API callers to rely on internal TUF data types, so
	// the API here should continue to receive a string algorithm, and ensure
	// that it is downcased
	switch data.KeyAlgorithm(strings.ToLower(algorithm)) {
	case data.RSAKey:
		privKey, err = trustmanager.GenerateRSAKey(rand.Reader, rsaRootKeySize)
	case data.ECDSAKey:
		privKey, err = trustmanager.GenerateECDSAKey(rand.Reader)
	default:
		return "", fmt.Errorf("only RSA or ECDSA keys are currently supported. Found: %s", algorithm)

	}
	if err != nil {
		return "", fmt.Errorf("failed to generate private key: %v", err)
	}

	// Changing the root
	km.rootKeyStore.AddEncryptedKey(privKey.ID(), privKey, passphrase)

	return privKey.ID(), nil
}

// Create is used to generate keys for targets, snapshots and timestamps
func (ccs *CryptoService) Create(role string, algorithm data.KeyAlgorithm) (data.PublicKey, error) {
	var privKey data.PrivateKey
	var err error

	switch algorithm {
	case data.RSAKey:
		privKey, err = trustmanager.GenerateRSAKey(rand.Reader, rsaKeySize)
		if err != nil {
			return nil, fmt.Errorf("failed to generate RSA key: %v", err)
		}
	case data.ECDSAKey:
		privKey, err = trustmanager.GenerateECDSAKey(rand.Reader)
		if err != nil {
			return nil, fmt.Errorf("failed to generate EC key: %v", err)
		}
	case data.ED25519Key:
		privKey, err = trustmanager.GenerateED25519Key(rand.Reader)
		if err != nil {
			return nil, fmt.Errorf("failed to generate ED25519 key: %v", err)
		}
	default:
		return nil, fmt.Errorf("private key type not supported for key generation: %s", algorithm)
	}
	logrus.Debugf("generated new %s key for role: %s and keyID: %s", algorithm, role, privKey.ID())

	// Store the private key into our keystore with the name being: /GUN/ID.key with an alias of role
	err = ccs.keyStore.AddKey(filepath.Join(ccs.gun, privKey.ID()), role, privKey)
	if err != nil {
		return nil, fmt.Errorf("failed to add key to filestore: %v", err)
	}
	return data.PublicKeyFromPrivate(privKey), nil
}

// AddKey stores the contents of a private key. Both name and alias are ignored,
// we always use Key IDs as name, and don't support aliases
func (s *KeyDBStore) AddKey(name, alias string, privKey data.PrivateKey) error {

	passphrase, _, err := s.retriever(privKey.ID(), s.defaultPassAlias, false, 1)
	if err != nil {
		return err
	}

	encryptedKey, err := jose.Encrypt(string(privKey.Private()), KeywrapAlg, EncryptionAlg, passphrase)
	if err != nil {
		return err
	}

	gormPrivKey := GormPrivateKey{
		KeyID:           privKey.ID(),
		EncryptionAlg:   EncryptionAlg,
		KeywrapAlg:      KeywrapAlg,
		PassphraseAlias: s.defaultPassAlias,
		Algorithm:       privKey.Algorithm().String(),
		Public:          string(privKey.Public()),
		Private:         encryptedKey}

	// Add encrypted private key to the database
	s.db.Create(&gormPrivKey)
	// Value will be false if Create suceeds
	failure := s.db.NewRecord(gormPrivKey)
	if failure {
		return fmt.Errorf("failed to add private key to database: %s", privKey.ID())
	}

	// Add the private key to our cache
	s.Lock()
	defer s.Unlock()
	s.cachedKeys[privKey.ID()] = privKey

	return nil
}

// addKey allows you to add a private key
func (e *Ed25519) addKey(k data.PrivateKey) {
	e.keys[k.ID()] = k
}

// addKey allows you to add a private key to the trust service
func (trust *Ed25519) addKey(k *data.PrivateKey) {
	trust.keys[k.ID()] = k
}

func testAddListTarget(t *testing.T, rootType data.KeyAlgorithm) {
	// Temporary directory where test files will be created
	tempBaseDir, err := ioutil.TempDir("", "notary-test-")
	defer os.RemoveAll(tempBaseDir)

	assert.NoError(t, err, "failed to create a temporary directory: %s", err)

	gun := "docker.com/notary"

	ts, mux := createTestServer(t)
	defer ts.Close()

	repo, err := NewNotaryRepository(tempBaseDir, gun, ts.URL, http.DefaultTransport)
	assert.NoError(t, err, "error creating repository: %s", err)

	rootKeyID, err := repo.KeyStoreManager.GenRootKey(rootType.String(), "passphrase")
	assert.NoError(t, err, "error generating root key: %s", err)

	rootCryptoService, err := repo.KeyStoreManager.GetRootCryptoService(rootKeyID, "passphrase")
	assert.NoError(t, err, "error retreiving root key: %s", err)

	err = repo.Initialize(rootCryptoService)
	assert.NoError(t, err, "error creating repository: %s", err)

	// Add fixtures/intermediate-ca.crt as a target. There's no particular reason
	// for using this file except that it happens to be available as
	// a fixture.
	latestTarget, err := NewTarget("latest", "../fixtures/intermediate-ca.crt")
	assert.NoError(t, err, "error creating target")
	err = repo.AddTarget(latestTarget)
	assert.NoError(t, err, "error adding target")

	// Look for the changelist file
	changelistDirPath := filepath.Join(tempBaseDir, "tuf", filepath.FromSlash(gun), "changelist")

	changelistDir, err := os.Open(changelistDirPath)
	assert.NoError(t, err, "could not open changelist directory")

	fileInfos, err := changelistDir.Readdir(0)
	assert.NoError(t, err, "could not read changelist directory")

	// Should only be one file in the directory
	assert.Len(t, fileInfos, 1, "wrong number of changelist files found")

	clName := fileInfos[0].Name()
	raw, err := ioutil.ReadFile(filepath.Join(changelistDirPath, clName))
	assert.NoError(t, err, "could not read changelist file %s", clName)

	c := &tufChange{}
	err = json.Unmarshal(raw, c)
	assert.NoError(t, err, "could not unmarshal changelist file %s", clName)

	assert.EqualValues(t, 0, c.Actn)
	assert.Equal(t, "targets", c.Role)
	assert.Equal(t, "target", c.ChangeType)
	assert.Equal(t, "latest", c.ChangePath)
	assert.NotEmpty(t, c.Data)

	changelistDir.Close()

	// Create a second target
	currentTarget, err := NewTarget("current", "../fixtures/intermediate-ca.crt")
	assert.NoError(t, err, "error creating target")
	err = repo.AddTarget(currentTarget)
	assert.NoError(t, err, "error adding target")

	changelistDir, err = os.Open(changelistDirPath)
	assert.NoError(t, err, "could not open changelist directory")

	// There should now be a second file in the directory
	fileInfos, err = changelistDir.Readdir(0)
	assert.NoError(t, err, "could not read changelist directory")

	assert.Len(t, fileInfos, 2, "wrong number of changelist files found")

	newFileFound := false
	for _, fileInfo := range fileInfos {
		if fileInfo.Name() != clName {
			clName2 := fileInfo.Name()
			raw, err := ioutil.ReadFile(filepath.Join(changelistDirPath, clName2))
			assert.NoError(t, err, "could not read changelist file %s", clName2)

			c := &tufChange{}
			err = json.Unmarshal(raw, c)
			assert.NoError(t, err, "could not unmarshal changelist file %s", clName2)

			assert.EqualValues(t, 0, c.Actn)
			assert.Equal(t, "targets", c.Role)
			assert.Equal(t, "target", c.ChangeType)
			assert.Equal(t, "current", c.ChangePath)
			assert.NotEmpty(t, c.Data)

			newFileFound = true
			break
		}
	}

	assert.True(t, newFileFound, "second changelist file not found")

	changelistDir.Close()
//.........這裏部分代碼省略.........