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

Example 11 with AesGcmKeyFormat

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

the class AesGcmKeyManagerTest method testAes128GcmTemplate.

@Test
public void testAes128GcmTemplate() throws Exception {
    KeyTemplate template = AesGcmKeyManager.aes128GcmTemplate();
    assertEquals(new AesGcmKeyManager().getKeyType(), template.getTypeUrl());
    assertEquals(KeyTemplate.OutputPrefixType.TINK, template.getOutputPrefixType());
    AesGcmKeyFormat format = AesGcmKeyFormat.parseFrom(ByteString.copyFrom(template.getValue()), ExtensionRegistryLite.getEmptyRegistry());
    assertEquals(16, format.getKeySize());
}

Example 12 with AesGcmKeyFormat

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

the class AesGcmKeyManagerTest method testDeriveKey_notEnoughKeyMaterial_throws.

@Test
public void testDeriveKey_notEnoughKeyMaterial_throws() throws Exception {
    byte[] keyMaterial = Random.randBytes(31);
    AesGcmKeyFormat format = AesGcmKeyFormat.newBuilder().setVersion(0).setKeySize(32).build();
    assertThrows(GeneralSecurityException.class, () -> factory.deriveKey(format, new ByteArrayInputStream(keyMaterial)));
}

Example 13 with AesGcmKeyFormat

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

the class AesGcmKeyManagerTest method createKey_multipleTimes.

@Test
public void createKey_multipleTimes() throws Exception {
    AesGcmKeyFormat format = AesGcmKeyFormat.newBuilder().setKeySize(16).build();
    Set<String> keys = new TreeSet<>();
    // Calls newKey multiple times and make sure that they generate different keys.
    int numTests = 50;
    for (int i = 0; i < numTests; i++) {
        keys.add(TestUtil.hexEncode(factory.createKey(format).getKeyValue().toByteArray()));
    }
    assertThat(keys).hasSize(numTests);
}

Example 14 with AesGcmKeyFormat

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

the class RegistryTest method testDeriveKey_succeeds.

@Test
public void testDeriveKey_succeeds() throws Exception {
    Registry.reset();
    Registry.registerKeyManager(new TestKeyTypeManager(), true);
    AesGcmKeyFormat format = AesGcmKeyFormat.newBuilder().setKeySize(16).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();
    byte[] keyMaterial = Random.randBytes(100);
    KeyData keyData = Registry.deriveKey(template, new ByteArrayInputStream(keyMaterial));
    assertThat(keyData.getKeyMaterialType()).isEqualTo(new TestKeyTypeManager().keyMaterialType());
    assertThat(keyData.getTypeUrl()).isEqualTo(new TestKeyTypeManager().getKeyType());
    AesGcmKey key = AesGcmKey.parseFrom(keyData.getValue(), ExtensionRegistryLite.getEmptyRegistry());
    for (int i = 0; i < 16; ++i) {
        assertThat(key.getKeyValue().byteAt(i)).isEqualTo(keyMaterial[i]);
    }
}

Example 15 with AesGcmKeyFormat

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

the class AeadKeyTemplatesTest method testAES128_GCM.

@Test
public void testAES128_GCM() throws Exception {
    KeyTemplate template = AeadKeyTemplates.AES128_GCM;
    assertEquals(AesGcmKeyManager.TYPE_URL, template.getTypeUrl());
    assertEquals(OutputPrefixType.TINK, template.getOutputPrefixType());
    AesGcmKeyFormat format = AesGcmKeyFormat.parseFrom(template.getValue());
    assertEquals(16, format.getKeySize());
}