| // Copyright 2017 Google Inc. |
| // |
| // 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.signature; |
| |
| import com.google.crypto.tink.Registry; |
| import com.google.crypto.tink.proto.RegistryConfig; |
| import java.security.GeneralSecurityException; |
| |
| /** |
| * Static methods and constants for registering with the {@link Registry} all instances of {@link |
| * com.google.crypto.tink.PublicKeySign} and {@link com.google.crypto.tink.PublicKeyVerify} key |
| * types supported in a particular release of Tink. |
| * |
| * <p>To register all PublicKeySign and PublicKeyVerify key types provided in the latest Tink |
| * version one can do: |
| * |
| * <pre>{@code |
| * SignatureConfig.init(); |
| * }</pre> |
| * |
| * <p>For more information on how to obtain and use instances of PublicKeySign or PublicKeyVerify, |
| * see {@link PublicKeySignFactory} or {@link PublicKeyVerifyFactory}. |
| * |
| * @since 1.0.0 |
| */ |
| public final class SignatureConfig { |
| public static final String ECDSA_PUBLIC_KEY_TYPE_URL = new EcdsaVerifyKeyManager().getKeyType(); |
| public static final String ECDSA_PRIVATE_KEY_TYPE_URL = new EcdsaSignKeyManager().getKeyType(); |
| public static final String ED25519_PUBLIC_KEY_TYPE_URL = |
| new Ed25519PublicKeyManager().getKeyType(); |
| public static final String ED25519_PRIVATE_KEY_TYPE_URL = |
| new Ed25519PrivateKeyManager().getKeyType(); |
| |
| /** @deprecated */ |
| @Deprecated |
| public static final RegistryConfig TINK_1_0_0 = RegistryConfig.getDefaultInstance(); |
| /** |
| * @deprecated |
| * @since 1.1.0 |
| */ |
| @Deprecated |
| public static final RegistryConfig TINK_1_1_0 = RegistryConfig.getDefaultInstance(); |
| |
| /** @since 1.2.0 */ |
| public static final RegistryConfig LATEST = RegistryConfig.getDefaultInstance(); |
| |
| static { |
| try { |
| init(); |
| } catch (GeneralSecurityException e) { |
| throw new ExceptionInInitializerError(e); |
| } |
| } |
| |
| /** |
| * Tries to register with the {@link Registry} all instances of {@link |
| * com.google.crypto.tink.Catalogue} needed to handle PublicKeySign and PublicKeyVerify key types |
| * supported in Tink. |
| * |
| * @deprecated use {@link #register} |
| */ |
| @Deprecated |
| public static void init() throws GeneralSecurityException { |
| register(); |
| } |
| |
| /** |
| * Tries to register with the {@link Registry} all instances of {@link |
| * com.google.crypto.tink.Catalogue} needed to handle PublicKeySign and PublicKeyVerify key types |
| * supported in Tink. |
| * |
| * @since 1.2.0 |
| */ |
| public static void register() throws GeneralSecurityException { |
| Registry.registerAsymmetricKeyManagers( |
| new EcdsaSignKeyManager(), new EcdsaVerifyKeyManager(), true); |
| |
| Registry.registerAsymmetricKeyManagers( |
| new Ed25519PrivateKeyManager(), new Ed25519PublicKeyManager(), true); |
| |
| Registry.registerAsymmetricKeyManagers( |
| new RsaSsaPkcs1SignKeyManager(), new RsaSsaPkcs1VerifyKeyManager(), true); |
| |
| Registry.registerAsymmetricKeyManagers( |
| new RsaSsaPssSignKeyManager(), new RsaSsaPssVerifyKeyManager(), true); |
| |
| Registry.registerPrimitiveWrapper(new PublicKeySignWrapper()); |
| Registry.registerPrimitiveWrapper(new PublicKeyVerifyWrapper()); |
| } |
| } |