Examples with Aead com.google.crypto.tink.Aead used on opensource projects

Example 66 with Aead

use of com.google.crypto.tink.Aead in project tink by google.

the class AwsKmsAeadTest method testDecryptShouldNotThrowExceptionIfKeyArnIsAlias.

@Test
public void testDecryptShouldNotThrowExceptionIfKeyArnIsAlias() throws Exception {
    DecryptResult mockDecryptResult = mock(DecryptResult.class);
    EncryptResult mockEncryptResult = mock(EncryptResult.class);
    when(mockKms.decrypt(isA(DecryptRequest.class))).thenReturn(mockDecryptResult);
    when(mockKms.encrypt(isA(EncryptRequest.class))).thenReturn(mockEncryptResult);
    String aliasArn = "arn:aws:kms:us-west-2:111122223333:alias/ExampleAlias";
    Aead aead = new AwsKmsAead(mockKms, aliasArn);
    byte[] aad = Random.randBytes(20);
    byte[] message = Random.randBytes(20);
    when(mockEncryptResult.getCiphertextBlob()).thenReturn(ByteBuffer.wrap(message));
    when(mockDecryptResult.getPlaintext()).thenReturn(ByteBuffer.wrap(message));
    byte[] ciphertext = aead.encrypt(message, aad);
    byte[] decrypted = aead.decrypt(ciphertext, aad);
    assertArrayEquals(message, decrypted);
}

Example 67 with Aead

use of com.google.crypto.tink.Aead in project tink by google.

the class AwsKmsAeadTest method testDecryptShouldThrowExceptionIfRequestFailed.

@Test
public void testDecryptShouldThrowExceptionIfRequestFailed() throws Exception {
    EncryptResult mockEncryptResult = mock(EncryptResult.class);
    when(mockKms.encrypt(isA(EncryptRequest.class))).thenReturn(mockEncryptResult);
    AmazonServiceException exception = mock(AmazonServiceException.class);
    when(mockKms.decrypt(isA(DecryptRequest.class))).thenThrow(exception);
    Aead aead = new AwsKmsAead(mockKms, KEY_ARN);
    byte[] aad = Random.randBytes(20);
    byte[] message = Random.randBytes(20);
    when(mockEncryptResult.getCiphertextBlob()).thenReturn(ByteBuffer.wrap(message));
    byte[] ciphertext = aead.encrypt(message, aad);
    assertThrows(GeneralSecurityException.class, () -> aead.decrypt(ciphertext, aad));
}

Example 68 with Aead

use of com.google.crypto.tink.Aead in project tink by google.

the class XChaCha20Poly1305KeyManagerTest method getPrimitive.

@Test
public void getPrimitive() throws Exception {
    XChaCha20Poly1305Key key = factory.createKey(XChaCha20Poly1305KeyFormat.getDefaultInstance());
    Aead managerAead = manager.getPrimitive(key, Aead.class);
    Aead directAead = new XChaCha20Poly1305(key.getKeyValue().toByteArray());
    byte[] plaintext = Random.randBytes(20);
    byte[] associatedData = Random.randBytes(20);
    assertThat(directAead.decrypt(managerAead.encrypt(plaintext, associatedData), associatedData)).isEqualTo(plaintext);
}

Example 69 with Aead

use of com.google.crypto.tink.Aead in project tink by google.

the class AeadFactoryTest method testRawKeyAsPrimary.

@Test
public void testRawKeyAsPrimary() throws Exception {
    byte[] aesCtrKeyValue = Random.randBytes(AES_KEY_SIZE);
    byte[] hmacKeyValue = Random.randBytes(HMAC_KEY_SIZE);
    int ivSize = 12;
    int tagSize = 16;
    Key primary = TestUtil.createKey(TestUtil.createAesCtrHmacAeadKeyData(aesCtrKeyValue, ivSize, hmacKeyValue, tagSize), 42, KeyStatusType.ENABLED, OutputPrefixType.RAW);
    Key raw = TestUtil.createKey(TestUtil.createAesCtrHmacAeadKeyData(aesCtrKeyValue, ivSize, hmacKeyValue, tagSize), 43, KeyStatusType.ENABLED, OutputPrefixType.RAW);
    Key legacy = TestUtil.createKey(TestUtil.createAesCtrHmacAeadKeyData(aesCtrKeyValue, ivSize, hmacKeyValue, tagSize), 44, KeyStatusType.ENABLED, OutputPrefixType.LEGACY);
    KeysetHandle keysetHandle = TestUtil.createKeysetHandle(TestUtil.createKeyset(primary, raw, legacy));
    Aead aead = keysetHandle.getPrimitive(Aead.class);
    byte[] plaintext = Random.randBytes(20);
    byte[] associatedData = Random.randBytes(20);
    byte[] ciphertext = aead.encrypt(plaintext, associatedData);
    assertArrayEquals(plaintext, aead.decrypt(ciphertext, associatedData));
    assertEquals(CryptoFormat.RAW_PREFIX_SIZE + plaintext.length + ivSize + tagSize, ciphertext.length);
}

Example 70 with Aead

use of com.google.crypto.tink.Aead in project tink by google.

the class AesEaxKeyManagerTest method getPrimitive.

@Test
public void getPrimitive() throws Exception {
    AesEaxKey key = factory.createKey(createKeyFormat(32, 16));
    Aead managerAead = manager.getPrimitive(key, Aead.class);
    Aead directAead = new AesEaxJce(key.getKeyValue().toByteArray(), key.getParams().getIvSize());
    byte[] plaintext = Random.randBytes(20);
    byte[] associatedData = Random.randBytes(20);
    assertThat(directAead.decrypt(managerAead.encrypt(plaintext, associatedData), associatedData)).isEqualTo(plaintext);
}