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

Example 21 with AesGcmKeyFormat

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

the class AesGcmKeyManagerTest method testDeriveKey_badVersion_throws.

@Test
public void testDeriveKey_badVersion_throws() throws Exception {
    final int keySize = 32;
    byte[] keyMaterial = Random.randBytes(100);
    AesGcmKeyFormat format = AesGcmKeyFormat.newBuilder().setVersion(1).setKeySize(keySize).build();
    assertThrows(GeneralSecurityException.class, () -> factory.deriveKey(format, new ByteArrayInputStream(keyMaterial)));
}

Example 22 with AesGcmKeyFormat

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

the class KeysetManagerTest method testAdd_existingKeySet_shouldAddNewKey.

@Test
public void testAdd_existingKeySet_shouldAddNewKey() throws Exception {
    KeyTemplate kt1 = AesGcmKeyManager.aes128GcmTemplate();
    KeysetHandle existing = KeysetManager.withEmptyKeyset().add(kt1).getKeysetHandle();
    KeyTemplate kt2 = AesGcmKeyManager.aes256GcmTemplate();
    Keyset keyset = KeysetManager.withKeysetHandle(existing).add(kt2).getKeysetHandle().getKeyset();
    assertThat(keyset.getKeyCount()).isEqualTo(2);
    // None of the keys are primary.
    assertThat(keyset.getPrimaryKeyId()).isEqualTo(0);
    Keyset.Key key1 = keyset.getKey(0);
    assertThat(key1.getStatus()).isEqualTo(KeyStatusType.ENABLED);
    assertThat(key1.getOutputPrefixType()).isEqualTo(OutputPrefixType.TINK);
    assertThat(key1.hasKeyData()).isTrue();
    assertThat(key1.getKeyData().getTypeUrl()).isEqualTo(kt1.getTypeUrl());
    AesGcmKeyFormat aesGcmKeyFormat1 = AesGcmKeyFormat.parseFrom(kt1.getValue(), ExtensionRegistryLite.getEmptyRegistry());
    AesGcmKey aesGcmKey1 = AesGcmKey.parseFrom(key1.getKeyData().getValue(), ExtensionRegistryLite.getEmptyRegistry());
    assertThat(aesGcmKey1.getKeyValue().size()).isEqualTo(aesGcmKeyFormat1.getKeySize());
    Keyset.Key key2 = keyset.getKey(1);
    assertThat(key2.getStatus()).isEqualTo(KeyStatusType.ENABLED);
    assertThat(key2.getOutputPrefixType()).isEqualTo(OutputPrefixType.TINK);
    assertThat(key2.hasKeyData()).isTrue();
    assertThat(key2.getKeyData().getTypeUrl()).isEqualTo(kt2.getTypeUrl());
    AesGcmKeyFormat aesGcmKeyFormat2 = AesGcmKeyFormat.parseFrom(kt2.getValue(), ExtensionRegistryLite.getEmptyRegistry());
    AesGcmKey aesGcmKey2 = AesGcmKey.parseFrom(key2.getKeyData().getValue(), ExtensionRegistryLite.getEmptyRegistry());
    assertThat(aesGcmKey2.getKeyValue().size()).isEqualTo(aesGcmKeyFormat2.getKeySize());
}

Example 23 with AesGcmKeyFormat

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

the class RegistryTest method testDeriveKey_wrongKeySize_validateThrows.

// Tests that validate is called.
@Test
public void testDeriveKey_wrongKeySize_validateThrows() throws Exception {
    Registry.reset();
    Registry.registerKeyManager(new TestKeyTypeManager(), true);
    AesGcmKeyFormat format = AesGcmKeyFormat.newBuilder().setKeySize(32).build();
    com.google.crypto.tink.proto.KeyTemplate template = com.google.crypto.tink.proto.KeyTemplate.newBuilder().setValue(format.toByteString()).setTypeUrl(new TestKeyTypeManager().getKeyType()).setOutputPrefixType(OutputPrefixType.TINK).build();
    ByteArrayInputStream emptyInput = new ByteArrayInputStream(new byte[0]);
    GeneralSecurityException e = assertThrows(GeneralSecurityException.class, () -> Registry.deriveKey(template, emptyInput));
    assertExceptionContains(e, "validateKeyFormat");
}