// 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.hybrid;

import com.google.crypto.tink.Registry;
import com.google.crypto.tink.aead.AeadConfig;
import com.google.crypto.tink.proto.RegistryConfig;
import java.security.GeneralSecurityException;

Static methods and constants for registering with the Registry all instances of HybridEncrypt and HybridDecrypt key types supported in a particular release of Tink. 
To register all HybridEncrypt and HybridDecrypt key types provided in the latest Tink version
one can do:

HybridConfig.register();

For more information on how to obtain and use instances of HybridEncrypt or HybridDecrypt, see HybridEncryptFactory or HybridDecryptFactory. 
Since:
1.0.0/**
 * Static methods and constants for registering with the {@link Registry} all instances of {@link
 * com.google.crypto.tink.HybridEncrypt} and {@link com.google.crypto.tink.HybridDecrypt} key types
 * supported in a particular release of Tink.
 *
 * <p>To register all HybridEncrypt and HybridDecrypt key types provided in the latest Tink version
 * one can do:
 *
 * <pre>{@code
 * HybridConfig.register();
 * }</pre>
 *
 * <p>For more information on how to obtain and use instances of HybridEncrypt or HybridDecrypt, see
 * {@link HybridEncryptFactory} or {@link HybridDecryptFactory}.
 *
 * @since 1.0.0
 */
public final class HybridConfig {
  public static final String ECIES_AEAD_HKDF_PUBLIC_KEY_TYPE_URL =
      new EciesAeadHkdfPublicKeyManager().getKeyType();
  public static final String ECIES_AEAD_HKDF_PRIVATE_KEY_TYPE_URL =
      new EciesAeadHkdfPrivateKeyManager().getKeyType();

  
Deprecated:
/** @deprecated */
  @Deprecated public static final RegistryConfig TINK_1_0_0 = RegistryConfig.getDefaultInstance();
  
Deprecated:
Since:
1.1.0/**
   * @deprecated
   * @since 1.1.0
   */
  @Deprecated public static final RegistryConfig TINK_1_1_0 = RegistryConfig.getDefaultInstance();

  
Deprecated:
Since:
1.2.0/**
   * @deprecated
   * @since 1.2.0
   */
  @Deprecated public static final RegistryConfig LATEST = RegistryConfig.getDefaultInstance();

  static {
    try {
      init();
    } catch (GeneralSecurityException e) {
      throw new ExceptionInInitializerError(e);
    }
  }

  
Tries to register with the Registry all instances of Catalogue needed to handle HybridDecrypt and HybridEncrypt key types supported in Tink. 
Because HybridDecrypt and HybridEncrypt key types depend on Aead and Mac key types, this method also registers all Aead and Mac catalogues. 
Deprecated:
use register/**
   * Tries to register with the {@link Registry} all instances of {@link
   * com.google.crypto.tink.Catalogue} needed to handle HybridDecrypt and HybridEncrypt key types
   * supported in Tink.
   *
   * <p>Because HybridDecrypt and HybridEncrypt key types depend on {@link
   * com.google.crypto.tink.Aead} and {@link com.google.crypto.tink.Mac} key types, this method also
   * registers all Aead and Mac catalogues.
   *
   * @deprecated use {@link #register}
   */
  @Deprecated
  public static void init() throws GeneralSecurityException {
    register();
  }

  
Tries to register with the Registry all instances of Catalogue needed to handle HybridDecrypt and HybridEncrypt key types supported in Tink. 
Because HybridDecrypt and HybridEncrypt key types depend on Aead and Mac key types, this method also registers all Aead and Mac catalogues. 
Since:
1.2.0/**
   * Tries to register with the {@link Registry} all instances of {@link
   * com.google.crypto.tink.Catalogue} needed to handle HybridDecrypt and HybridEncrypt key types
   * supported in Tink.
   *
   * <p>Because HybridDecrypt and HybridEncrypt key types depend on {@link
   * com.google.crypto.tink.Aead} and {@link com.google.crypto.tink.Mac} key types, this method also
   * registers all Aead and Mac catalogues.
   *
   * @since 1.2.0
   */
  public static void register() throws GeneralSecurityException {
    AeadConfig.register();
    EciesAeadHkdfPrivateKeyManager.registerPair(/*newKeyAllowed=*/true);
    HybridDecryptWrapper.register();
    HybridEncryptWrapper.register();
  }
}