| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 java.security; |
| |
| import java.security.spec.InvalidKeySpecException; |
| import java.security.spec.KeySpec; |
| |
| /** |
| * {@code KeyFactorySpi} is the Service Provider Interface (SPI) definition for |
| * {@link KeyFactory}. |
| * |
| * @see KeyFactory |
| */ |
| public abstract class KeyFactorySpi { |
| |
| /** |
| * Generates a instance of {@code PublicKey} from the given key |
| * specification. |
| * |
| * @param keySpec |
| * the specification of the public key. |
| * @return the public key. |
| * @throws InvalidKeySpecException |
| * if the specified {@code keySpec} is invalid. |
| */ |
| protected abstract PublicKey engineGeneratePublic(KeySpec keySpec) |
| throws InvalidKeySpecException; |
| |
| /** |
| * Generates a instance of {@code PrivateKey} from the given key |
| * specification. |
| * |
| * @param keySpec |
| * the specification of the private key. |
| * @return the private key. |
| * @throws InvalidKeySpecException |
| * if the specified {@code keySpec} is invalid. |
| */ |
| protected abstract PrivateKey engineGeneratePrivate(KeySpec keySpec) |
| throws InvalidKeySpecException; |
| |
| /** |
| * Returns the key specification for the specified key. |
| * |
| * @param key |
| * the key from which the specification is requested. |
| * @param keySpec |
| * the type of the requested {@code KeySpec}. |
| * @return the key specification for the specified key. |
| * @throws InvalidKeySpecException |
| * if the key can not be processed, or the requested requested |
| * {@code KeySpec} is inappropriate for the given key. |
| */ |
| protected abstract <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpec) |
| throws InvalidKeySpecException; |
| //FIXME 1.5 signature: protected abstract <T extends KeySpec> T engineGetKeySpec(Key key, Class<T> keySpec) throws InvalidKeySpecException |
| |
| /** |
| * Translates the given key into a key from this key factory. |
| * |
| * @param key |
| * the key to translate. |
| * @return the translated key. |
| * @throws InvalidKeyException |
| * if the specified key can not be translated by this key |
| * factory. |
| */ |
| protected abstract Key engineTranslateKey(Key key) throws InvalidKeyException; |
| |
| } |