Java Code Examples for com.amazonaws.encryptionsdk.MasterKeyProvider#getMasterKey()

The following examples show how to use com.amazonaws.encryptionsdk.MasterKeyProvider#getMasterKey() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: MultipleProviderFactory.java From aws-encryption-sdk-java with Apache License 2.0

6 votes

@Override
public K getMasterKey(final String provider, final String keyId) throws UnsupportedProviderException,
        NoSuchMasterKeyException {
    boolean foundProvider = false;
    for (final MasterKeyProvider<? extends K> prov : providers_) {
        if (prov.canProvide(provider)) {
            foundProvider = true;
            try {
                final K result = prov.getMasterKey(provider, keyId);
                if (result != null) {
                    return result;
                }
            } catch (final NoSuchMasterKeyException ex) {
                // swallow and continue
            }
        }
    }
    if (foundProvider) {
        throw new NoSuchMasterKeyException();
    } else {
        throw new UnsupportedProviderException(provider);
    }
}

Example 2

Source File: LegacyKMSMasterKeyProviderTests.java From aws-encryption-sdk-java with Apache License 2.0

6 votes

@Test
public void testMultipleKmsKeys() {
    final MockKMSClient kms = new MockKMSClient();
    final String arn1 = kms.createKey().getKeyMetadata().getArn();
    final String arn2 = kms.createKey().getKeyMetadata().getArn();
    MasterKeyProvider<KmsMasterKey> prov = legacyConstruct(kms, arn1, arn2);
    KmsMasterKey mk1 = prov.getMasterKey(arn1);

    AwsCrypto crypto = new AwsCrypto();
    CryptoResult<byte[], KmsMasterKey> ct = crypto.encryptData(prov, PLAINTEXT);
    assertEquals(2, ct.getMasterKeyIds().size());
    CryptoResult<byte[], KmsMasterKey> result = crypto.decryptData(prov, ct.getResult());
    assertArrayEquals(PLAINTEXT, result.getResult());
    // Only the first found key should be used
    assertEquals(1, result.getMasterKeys().size());
    assertEquals(mk1, result.getMasterKeys().get(0));
}

Example 3

Source File: LegacyKMSMasterKeyProviderTests.java From aws-encryption-sdk-java with Apache License 2.0

6 votes

@Test
public void testMixedKeys() {
    final SecretKeySpec k1 = new SecretKeySpec(generate(32), "AES");
    final JceMasterKey mk1 = JceMasterKey.getInstance(k1, "jce", "1", WRAPPING_ALG);
    final MockKMSClient kms = new MockKMSClient();
    final String arn2 = kms.createKey().getKeyMetadata().getArn();
    MasterKeyProvider<KmsMasterKey> prov = legacyConstruct(kms);
    KmsMasterKey mk2 = prov.getMasterKey(arn2);
    final MasterKeyProvider<?> mkp = MultipleProviderFactory.buildMultiProvider(mk1, mk2);

    AwsCrypto crypto = new AwsCrypto();
    CryptoResult<byte[], ?> ct = crypto.encryptData(mkp, PLAINTEXT);
    assertEquals(2, ct.getMasterKeyIds().size());
    CryptoResult<byte[], ?> result = crypto.decryptData(mkp, ct.getResult());
    assertArrayEquals(PLAINTEXT, result.getResult());
    // Only the first found key should be used
    assertEquals(1, result.getMasterKeys().size());
    assertEquals(mk1, result.getMasterKeys().get(0));

    assertMultiReturnsKeys(mkp, mk1, mk2);
}

Example 4

Source File: LegacyKMSMasterKeyProviderTests.java From aws-encryption-sdk-java with Apache License 2.0

6 votes

@Test
public void testMixedKeysSingleDecrypt() {
    final SecretKeySpec k1 = new SecretKeySpec(generate(32), "AES");
    final JceMasterKey mk1 = JceMasterKey.getInstance(k1, "jce", "1", WRAPPING_ALG);
    final MockKMSClient kms = new MockKMSClient();
    final String arn2 = kms.createKey().getKeyMetadata().getArn();
    MasterKeyProvider<KmsMasterKey> prov = legacyConstruct(kms);
    KmsMasterKey mk2 = prov.getMasterKey(arn2);
    final MasterKeyProvider<?> mkp = MultipleProviderFactory.buildMultiProvider(mk1, mk2);

    AwsCrypto crypto = new AwsCrypto();
    CryptoResult<byte[], ?> ct = crypto.encryptData(mkp, PLAINTEXT);
    assertEquals(2, ct.getMasterKeyIds().size());

    CryptoResult<byte[], ?> result = crypto.decryptData(mk1, ct.getResult());
    assertArrayEquals(PLAINTEXT, result.getResult());
    // Only the first found key should be used
    assertEquals(1, result.getMasterKeys().size());
    assertEquals(mk1, result.getMasterKeys().get(0));

    result = crypto.decryptData(mk2, ct.getResult());
    assertArrayEquals(PLAINTEXT, result.getResult());
    // Only the first found key should be used
    assertEquals(1, result.getMasterKeys().size());
    assertEquals(mk2, result.getMasterKeys().get(0));
}

Example 5

Source File: MultipleProviderFactory.java From aws-encryption-sdk-java with Apache License 2.0

5 votes

@Override
public K getMasterKey(final String keyId) throws UnsupportedProviderException, NoSuchMasterKeyException {
    for (final MasterKeyProvider<? extends K> prov : providers_) {
        try {
            final K result = prov.getMasterKey(keyId);
            if (result != null) {
                return result;
            }
        } catch (final NoSuchMasterKeyException ex) {
            // swallow and continue
        }
    }
    throw new NoSuchMasterKeyException();
}

Example 6

Source File: LegacyKMSMasterKeyProviderTests.java From aws-encryption-sdk-java with Apache License 2.0

5 votes

@Test
public void testMultipleKmsKeysSingleDecrypt() {
    final MockKMSClient kms = new MockKMSClient();
    final String arn1 = kms.createKey().getKeyMetadata().getArn();
    final String arn2 = kms.createKey().getKeyMetadata().getArn();
    MasterKeyProvider<KmsMasterKey> prov = legacyConstruct(kms, arn1, arn2);
    KmsMasterKey mk1 = prov.getMasterKey(arn1);
    KmsMasterKey mk2 = prov.getMasterKey(arn2);

    AwsCrypto crypto = new AwsCrypto();
    CryptoResult<byte[], KmsMasterKey> ct = crypto.encryptData(prov, PLAINTEXT);
    assertEquals(2, ct.getMasterKeyIds().size());

    CryptoResult<byte[], KmsMasterKey> result = crypto.decryptData(mk1, ct.getResult());
    assertArrayEquals(PLAINTEXT, result.getResult());
    assertEquals(1, result.getMasterKeys().size());
    assertEquals(mk1, result.getMasterKeys().get(0));

    result = crypto.decryptData(mk2, ct.getResult());
    assertArrayEquals(PLAINTEXT, result.getResult());
    assertEquals(1, result.getMasterKeys().size());
    assertEquals(mk2, result.getMasterKeys().get(0));

    // Delete one of the two keys and ensure it's still decryptable
    kms.deleteKey(arn1);

    result = crypto.decryptData(prov, ct.getResult());
    assertArrayEquals(PLAINTEXT, result.getResult());
    // Only the first found key should be used
    assertEquals(1, result.getMasterKeys().size());
    assertEquals(mk2, result.getMasterKeys().get(0));
}