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

Example 31 with KeysetHandle

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

the class AesGcmKeyManagerTest method testBasic.

@Test
public void testBasic() throws Exception {
    byte[] keyValue = Random.randBytes(AES_KEY_SIZE);
    KeysetHandle keysetHandle = TestUtil.createKeysetHandle(TestUtil.createKeyset(TestUtil.createKey(TestUtil.createAesGcmKeyData(keyValue), 42, KeyStatusType.ENABLED, OutputPrefixType.TINK)));
    TestUtil.runBasicAeadFactoryTests(keysetHandle);
}

Example 32 with KeysetHandle

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

the class StreamingAeadFactoryTest method testBasicAesGcmHkdfStreamingAead.

@Test
public void testBasicAesGcmHkdfStreamingAead() throws Exception {
    byte[] keyValue = Random.randBytes(AES_KEY_SIZE);
    int derivedKeySize = AES_KEY_SIZE;
    int ciphertextSegmentSize = 128;
    KeysetHandle keysetHandle = TestUtil.createKeysetHandle(TestUtil.createKeyset(TestUtil.createKey(TestUtil.createAesGcmHkdfStreamingKeyData(keyValue, derivedKeySize, ciphertextSegmentSize), 42, KeyStatusType.ENABLED, OutputPrefixType.RAW)));
    StreamingAead streamingAead = StreamingAeadFactory.getPrimitive(keysetHandle);
    StreamingTestUtil.testEncryptionAndDecryption(streamingAead);
}

Example 33 with KeysetHandle

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

the class StreamingAeadFactoryTest method testMultipleKeys.

@Test
public void testMultipleKeys() throws Exception {
    byte[] primaryKeyValue = Random.randBytes(AES_KEY_SIZE);
    byte[] otherKeyValue = Random.randBytes(AES_KEY_SIZE);
    byte[] anotherKeyValue = Random.randBytes(AES_KEY_SIZE);
    int derivedKeySize = AES_KEY_SIZE;
    int ciphertextSegmentSize = 128;
    Key primaryKey = TestUtil.createKey(TestUtil.createAesGcmHkdfStreamingKeyData(primaryKeyValue, derivedKeySize, ciphertextSegmentSize), 42, KeyStatusType.ENABLED, OutputPrefixType.RAW);
    Key otherKey = TestUtil.createKey(TestUtil.createAesCtrHmacStreamingKeyData(otherKeyValue, derivedKeySize, ciphertextSegmentSize), 43, KeyStatusType.ENABLED, OutputPrefixType.RAW);
    Key anotherKey = TestUtil.createKey(TestUtil.createAesGcmHkdfStreamingKeyData(anotherKeyValue, derivedKeySize, ciphertextSegmentSize), 72, KeyStatusType.ENABLED, OutputPrefixType.RAW);
    KeysetHandle keysetHandle = TestUtil.createKeysetHandle(TestUtil.createKeyset(primaryKey, otherKey, anotherKey));
    StreamingAead streamingAead = StreamingAeadFactory.getPrimitive(keysetHandle);
    StreamingAead primaryAead = StreamingAeadFactory.getPrimitive(TestUtil.createKeysetHandle(TestUtil.createKeyset(primaryKey)));
    StreamingAead otherAead = StreamingAeadFactory.getPrimitive(TestUtil.createKeysetHandle(TestUtil.createKeyset(otherKey)));
    StreamingAead anotherAead = StreamingAeadFactory.getPrimitive(TestUtil.createKeysetHandle(TestUtil.createKeyset(anotherKey)));
    StreamingTestUtil.testEncryptionAndDecryption(streamingAead, streamingAead);
    StreamingTestUtil.testEncryptionAndDecryption(streamingAead, primaryAead);
    StreamingTestUtil.testEncryptionAndDecryption(primaryAead, streamingAead);
    StreamingTestUtil.testEncryptionAndDecryption(otherAead, streamingAead);
    StreamingTestUtil.testEncryptionAndDecryption(anotherAead, streamingAead);
    StreamingTestUtil.testEncryptionAndDecryption(primaryAead, primaryAead);
    StreamingTestUtil.testEncryptionAndDecryption(otherAead, otherAead);
    StreamingTestUtil.testEncryptionAndDecryption(anotherAead, anotherAead);
    try {
        StreamingTestUtil.testEncryptionAndDecryption(otherAead, primaryAead);
        fail("No matching key, should have thrown an exception");
    } catch (IOException expected) {
        assertExceptionContains(expected, "No matching key");
    }
    try {
        StreamingTestUtil.testEncryptionAndDecryption(anotherAead, primaryAead);
        fail("No matching key, should have thrown an exception");
    } catch (IOException expected) {
        assertExceptionContains(expected, "No matching key");
    }
}

Example 34 with KeysetHandle

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

the class DeterministicAeadFactoryTest method testEncrytDecrypt.

@Test
public void testEncrytDecrypt() throws Exception {
    KeysetHandle keysetHandle = KeysetHandle.generateNew(DeterministicAeadKeyTemplates.AES256_SIV);
    DeterministicAead aead = DeterministicAeadFactory.getPrimitive(keysetHandle);
    byte[] plaintext = Random.randBytes(20);
    byte[] associatedData = Random.randBytes(20);
    byte[] ciphertext = aead.encryptDeterministically(plaintext, associatedData);
    byte[] ciphertext2 = aead.encryptDeterministically(plaintext, associatedData);
    byte[] decrypted = aead.decryptDeterministically(ciphertext, associatedData);
    byte[] decrypted2 = aead.decryptDeterministically(ciphertext2, associatedData);
    assertArrayEquals(ciphertext, ciphertext2);
    assertArrayEquals(plaintext, decrypted);
    assertArrayEquals(plaintext, decrypted2);
}

Example 35 with KeysetHandle

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

the class DeterministicAeadFactoryTest method testSmallPlaintextWithRawKey.

private static void testSmallPlaintextWithRawKey(int keySize) throws Exception {
    Key primary = TestUtil.createKey(TestUtil.createAesSivKeyData(keySize), 42, KeyStatusType.ENABLED, OutputPrefixType.RAW);
    KeysetHandle keysetHandle = TestUtil.createKeysetHandle(TestUtil.createKeyset(primary));
    DeterministicAead daead = DeterministicAeadFactory.getPrimitive(keysetHandle);
    byte[] plaintext = Random.randBytes(1);
    byte[] associatedData = Random.randBytes(20);
    byte[] ciphertext = daead.encryptDeterministically(plaintext, associatedData);
    assertArrayEquals(plaintext, daead.decryptDeterministically(ciphertext, associatedData));
    assertEquals(CryptoFormat.RAW_PREFIX_SIZE + plaintext.length + 16, ciphertext.length);
}