| // Copyright 2021 Google LLC |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| package com.google.crypto.tink; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertThrows; |
| |
| import com.google.crypto.tink.proto.Empty; |
| import com.google.crypto.tink.proto.KeyData.KeyMaterialType; |
| import com.google.protobuf.ByteString; |
| import com.google.protobuf.InvalidProtocolBufferException; |
| import java.security.GeneralSecurityException; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Tests for KeyTemplates * */ |
| @RunWith(JUnit4.class) |
| public final class KeyTemplatesTest { |
| |
| private static class TestKeyTypeManager extends KeyTypeManager<Empty> { |
| public TestKeyTypeManager() { |
| super(Empty.class); |
| } |
| |
| @Override |
| public String getKeyType() { |
| return "MY_TYPE_URL"; |
| } |
| |
| @Override |
| public int getVersion() { |
| return 0; |
| } |
| |
| @Override |
| public void validateKey(Empty keyProto) throws GeneralSecurityException {} |
| |
| @Override |
| public KeyMaterialType keyMaterialType() { |
| return KeyMaterialType.SYMMETRIC; |
| } |
| |
| @Override |
| public Empty parseKey(ByteString byteString) throws InvalidProtocolBufferException { |
| return Empty.getDefaultInstance(); |
| } |
| |
| @Override |
| public KeyFactory<Empty, Empty> keyFactory() { |
| return new KeyFactory<Empty, Empty>(Empty.class) { |
| @Override |
| public Map<String, KeyFactory.KeyFormat<Empty>> keyFormats() { |
| Map<String, KeyTypeManager.KeyFactory.KeyFormat<Empty>> formats = new HashMap<>(); |
| formats.put( |
| "TINK", |
| new KeyTypeManager.KeyFactory.KeyFormat<>( |
| Empty.getDefaultInstance(), KeyTemplate.OutputPrefixType.TINK)); |
| formats.put( |
| "RAW", |
| new KeyTypeManager.KeyFactory.KeyFormat<>( |
| Empty.getDefaultInstance(), KeyTemplate.OutputPrefixType.RAW)); |
| return Collections.unmodifiableMap(formats); |
| } |
| |
| @Override |
| public void validateKeyFormat(Empty format) throws GeneralSecurityException {} |
| |
| @Override |
| public Empty parseKeyFormat(ByteString byteString) throws InvalidProtocolBufferException { |
| return Empty.getDefaultInstance(); |
| } |
| |
| @Override |
| public Empty createKey(Empty format) throws GeneralSecurityException { |
| return Empty.getDefaultInstance(); |
| } |
| }; |
| } |
| } |
| |
| @Test |
| public void get() throws Exception { |
| Registry.reset(); |
| |
| Registry.registerKeyManager(new TestKeyTypeManager(), true); |
| |
| KeyTemplate template1 = KeyTemplates.get("TINK"); |
| assertThat(template1.getTypeUrl()).isEqualTo(new TestKeyTypeManager().getKeyType()); |
| assertThat(template1.getOutputPrefixType()).isEqualTo(KeyTemplate.OutputPrefixType.TINK); |
| |
| KeyTemplate template2 = KeyTemplates.get("RAW"); |
| assertThat(template2.getTypeUrl()).isEqualTo(new TestKeyTypeManager().getKeyType()); |
| assertThat(template2.getOutputPrefixType()).isEqualTo(KeyTemplate.OutputPrefixType.RAW); |
| } |
| |
| @Test |
| public void get_emptyRegistry_fails() { |
| Registry.reset(); |
| |
| assertThrows(GeneralSecurityException.class, () -> KeyTemplates.get("blah")); |
| } |
| |
| @Test |
| public void get_nonExistentName_fails() throws Exception { |
| Registry.reset(); |
| Registry.registerKeyManager(new TestKeyTypeManager(), true); |
| |
| assertThrows(GeneralSecurityException.class, () -> KeyTemplates.get("blah")); |
| } |
| } |