Examples with KeyData com.google.crypto.tink.proto.KeyData used on opensource projects

Example 11 with KeyData

use of com.google.crypto.tink.proto.KeyData in project tink by google.

the class AesCtrKeyManagerTest method testNewKeyMultipleTimes.

@Test
public void testNewKeyMultipleTimes() throws Exception {
    AesCtrKeyFormat ctrKeyFormat = AesCtrKeyFormat.newBuilder().setParams(AesCtrParams.newBuilder().setIvSize(16).build()).setKeySize(16).build();
    ByteString serialized = ByteString.copyFrom(ctrKeyFormat.toByteArray());
    KeyTemplate keyTemplate = KeyTemplate.newBuilder().setTypeUrl(AesCtrKeyManager.TYPE_URL).setValue(serialized).build();
    AesCtrKeyManager keyManager = new AesCtrKeyManager();
    Set<String> keys = new TreeSet<String>();
    // Calls newKey multiple times and make sure that they generate different keys.
    int numTests = 27;
    for (int i = 0; i < numTests / 3; i++) {
        AesCtrKey key = (AesCtrKey) keyManager.newKey(ctrKeyFormat);
        keys.add(TestUtil.hexEncode(key.getKeyValue().toByteArray()));
        assertEquals(16, key.getKeyValue().toByteArray().length);
        key = (AesCtrKey) keyManager.newKey(serialized);
        keys.add(TestUtil.hexEncode(key.getKeyValue().toByteArray()));
        assertEquals(16, key.getKeyValue().toByteArray().length);
        KeyData keyData = keyManager.newKeyData(keyTemplate.getValue());
        key = AesCtrKey.parseFrom(keyData.getValue());
        keys.add(TestUtil.hexEncode(key.getKeyValue().toByteArray()));
        assertEquals(16, key.getKeyValue().toByteArray().length);
    }
    assertEquals(numTests, keys.size());
}

Example 12 with KeyData

use of com.google.crypto.tink.proto.KeyData in project tink by google.

the class AesGcmKeyManagerTest method testNewKeyMultipleTimes.

@Test
public void testNewKeyMultipleTimes() throws Exception {
    AesGcmKeyFormat gcmKeyFormat = AesGcmKeyFormat.newBuilder().setKeySize(16).build();
    ByteString serialized = ByteString.copyFrom(gcmKeyFormat.toByteArray());
    KeyTemplate keyTemplate = KeyTemplate.newBuilder().setTypeUrl(AesGcmKeyManager.TYPE_URL).setValue(serialized).build();
    AesGcmKeyManager keyManager = new AesGcmKeyManager();
    Set<String> keys = new TreeSet<String>();
    // Calls newKey multiple times and make sure that they generate different keys.
    int numTests = 27;
    for (int i = 0; i < numTests / 3; i++) {
        AesGcmKey key = (AesGcmKey) keyManager.newKey(gcmKeyFormat);
        keys.add(TestUtil.hexEncode(key.getKeyValue().toByteArray()));
        assertEquals(16, key.getKeyValue().toByteArray().length);
        key = (AesGcmKey) keyManager.newKey(serialized);
        keys.add(TestUtil.hexEncode(key.getKeyValue().toByteArray()));
        assertEquals(16, key.getKeyValue().toByteArray().length);
        KeyData keyData = keyManager.newKeyData(keyTemplate.getValue());
        key = AesGcmKey.parseFrom(keyData.getValue());
        keys.add(TestUtil.hexEncode(key.getKeyValue().toByteArray()));
        assertEquals(16, key.getKeyValue().toByteArray().length);
    }
    assertEquals(numTests, keys.size());
}

Example 13 with KeyData

use of com.google.crypto.tink.proto.KeyData in project tink by google.

the class Ed25519PrivateKeyManagerTest method testGetPublicKeyData.

/**
 * Tests that a public key is extracted properly from a private key.
 */
@Test
public void testGetPublicKeyData() throws Exception {
    KeysetHandle privateHandle = KeysetHandle.generateNew(SignatureKeyTemplates.ED25519);
    KeyData privateKeyData = TestUtil.getKeyset(privateHandle).getKey(0).getKeyData();
    Ed25519PrivateKeyManager privateManager = new Ed25519PrivateKeyManager();
    KeyData publicKeyData = privateManager.getPublicKeyData(privateKeyData.getValue());
    assertEquals(Ed25519PublicKeyManager.TYPE_URL, publicKeyData.getTypeUrl());
    assertEquals(KeyData.KeyMaterialType.ASYMMETRIC_PUBLIC, publicKeyData.getKeyMaterialType());
    Ed25519PrivateKey privateKey = Ed25519PrivateKey.parseFrom(privateKeyData.getValue());
    assertArrayEquals(privateKey.getPublicKey().toByteArray(), publicKeyData.getValue().toByteArray());
    Ed25519PublicKeyManager publicManager = new Ed25519PublicKeyManager();
    PublicKeySign signer = privateManager.getPrimitive(privateKeyData.getValue());
    PublicKeyVerify verifier = publicManager.getPrimitive(publicKeyData.getValue());
    byte[] message = Random.randBytes(20);
    try {
        verifier.verify(signer.sign(message), message);
    } catch (GeneralSecurityException e) {
        fail("Should not fail: " + e);
    }
}

Example 14 with KeyData

use of com.google.crypto.tink.proto.KeyData in project tink by google.

the class EcdsaSignKeyManagerTest method testGetPublicKeyData.

/**
 * Tests that a public key is extracted properly from a private key.
 */
@Test
public void testGetPublicKeyData() throws Exception {
    KeysetHandle privateHandle = KeysetHandle.generateNew(SignatureKeyTemplates.ECDSA_P256);
    KeyData privateKeyData = TestUtil.getKeyset(privateHandle).getKey(0).getKeyData();
    EcdsaSignKeyManager privateManager = new EcdsaSignKeyManager();
    KeyData publicKeyData = privateManager.getPublicKeyData(privateKeyData.getValue());
    assertEquals(EcdsaVerifyKeyManager.TYPE_URL, publicKeyData.getTypeUrl());
    assertEquals(KeyData.KeyMaterialType.ASYMMETRIC_PUBLIC, publicKeyData.getKeyMaterialType());
    EcdsaPrivateKey privateKey = EcdsaPrivateKey.parseFrom(privateKeyData.getValue());
    assertArrayEquals(privateKey.getPublicKey().toByteArray(), publicKeyData.getValue().toByteArray());
    EcdsaVerifyKeyManager publicManager = new EcdsaVerifyKeyManager();
    PublicKeySign signer = privateManager.getPrimitive(privateKeyData.getValue());
    PublicKeyVerify verifier = publicManager.getPrimitive(publicKeyData.getValue());
    byte[] message = Random.randBytes(20);
    try {
        verifier.verify(signer.sign(message), message);
    } catch (GeneralSecurityException e) {
        fail("Should not fail: " + e);
    }
}

Example 15 with KeyData

use of com.google.crypto.tink.proto.KeyData in project tink by google.

the class KeysetHandleTest method getPrimitive_wrappingDoneCorrectly.

// Tests that getPrimitive does correct wrapping and not just return the primary. For this, we
// simply add a raw, non-primary key and encrypt directly with it.
@Test
public void getPrimitive_wrappingDoneCorrectly() throws Exception {
    KeyData rawKeyData = Registry.newKeyData(KeyTemplates.get("AES128_EAX"));
    Keyset keyset = TestUtil.createKeyset(TestUtil.createKey(Registry.newKeyData(KeyTemplates.get("AES128_EAX").getProto()), 42, KeyStatusType.ENABLED, OutputPrefixType.TINK), TestUtil.createKey(rawKeyData, 43, KeyStatusType.ENABLED, OutputPrefixType.RAW));
    KeysetHandle handle = KeysetHandle.fromKeyset(keyset);
    byte[] message = Random.randBytes(20);
    byte[] aad = Random.randBytes(20);
    Aead aeadToEncrypt = Registry.getPrimitive(rawKeyData, Aead.class);
    Aead aead = handle.getPrimitive(Aead.class);
    assertThat(aead.decrypt(aeadToEncrypt.encrypt(message, aad), aad)).isEqualTo(message);
}