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

Example 21 with KeyTemplate

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

the class AesGcmHkdfStreamingKeyManagerTest method testAes256GcmHkdf1MBTemplate.

@Test
public void testAes256GcmHkdf1MBTemplate() throws Exception {
    KeyTemplate template = AesGcmHkdfStreamingKeyManager.aes256GcmHkdf1MBTemplate();
    assertThat(template.getTypeUrl()).isEqualTo(new AesGcmHkdfStreamingKeyManager().getKeyType());
    assertThat(template.getOutputPrefixType()).isEqualTo(KeyTemplate.OutputPrefixType.RAW);
    AesGcmHkdfStreamingKeyFormat format = AesGcmHkdfStreamingKeyFormat.parseFrom(template.getValue(), ExtensionRegistryLite.getEmptyRegistry());
    assertThat(format.getKeySize()).isEqualTo(32);
    assertThat(format.getParams().getDerivedKeySize()).isEqualTo(32);
    assertThat(format.getParams().getHkdfHashType()).isEqualTo(HashType.SHA256);
    assertThat(format.getParams().getCiphertextSegmentSize()).isEqualTo(1 << 20);
}

Example 22 with KeyTemplate

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

the class KeysetServiceImpl method generate.

@Override
public void generate(KeysetGenerateRequest request, StreamObserver<KeysetGenerateResponse> responseObserver) {
    KeysetGenerateResponse response;
    try {
        KeyTemplate template = KeyTemplateProtoConverter.fromByteArray(request.getTemplate().toByteArray());
        KeysetHandle keysetHandle = KeysetHandle.generateNew(template);
        Keyset keyset = CleartextKeysetHandle.getKeyset(keysetHandle);
        ByteArrayOutputStream keysetStream = new ByteArrayOutputStream();
        BinaryKeysetWriter.withOutputStream(keysetStream).write(keyset);
        keysetStream.close();
        response = KeysetGenerateResponse.newBuilder().setKeyset(ByteString.copyFrom(keysetStream.toByteArray())).build();
    } catch (GeneralSecurityException e) {
        response = KeysetGenerateResponse.newBuilder().setErr(e.toString()).build();
    } catch (IOException e) {
        responseObserver.onError(Status.UNKNOWN.withDescription(e.getMessage()).asException());
        return;
    }
    responseObserver.onNext(response);
    responseObserver.onCompleted();
}

Example 23 with KeyTemplate

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

the class KeysetServiceImpl method getTemplate.

@Override
public void getTemplate(KeysetTemplateRequest request, StreamObserver<KeysetTemplateResponse> responseObserver) {
    KeysetTemplateResponse response;
    try {
        KeyTemplate template = KeyTemplates.get(request.getTemplateName());
        response = KeysetTemplateResponse.newBuilder().setKeyTemplate(ByteString.copyFrom(KeyTemplateProtoConverter.toByteArray(template))).build();
    } catch (GeneralSecurityException e) {
        response = KeysetTemplateResponse.newBuilder().setErr(e.toString()).build();
    }
    responseObserver.onNext(response);
    responseObserver.onCompleted();
}

Example 24 with KeyTemplate

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

the class TestingServicesTest method template_success.

@Test
public void template_success() throws Exception {
    KeysetTemplateRequest request = KeysetTemplateRequest.newBuilder().setTemplateName("AES256_GCM").build();
    KeysetTemplateResponse response = keysetStub.getTemplate(request);
    assertThat(response.getErr()).isEmpty();
    KeyTemplate template = KeyTemplateProtoConverter.fromByteArray(response.getKeyTemplate().toByteArray());
    assertThat(template.getTypeUrl()).isEqualTo("type.googleapis.com/google.crypto.tink.AesGcmKey");
}

Example 25 with KeyTemplate

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

the class KeyHandleTest method createFromKey_keyDataAsymmetricPublic_shouldNotHaveSecret.

@Test
public void createFromKey_keyDataAsymmetricPublic_shouldNotHaveSecret() throws Exception {
    KeyTemplate kt = KeyTemplates.get("ED25519");
    KeyData kd = Registry.getPublicKeyData(kt.getTypeUrl(), Registry.newKeyData(kt).getValue());
    KeyHandle kh = KeyHandle.createFromKey(kd, kt.getOutputPrefixType());
    assertThat(kh.hasSecret()).isFalse();
}