/** * Copyright 2009 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 org.waveprotocol.wave.crypto; import java.security.cert.X509Certificate; import java.util.List; /** * A cache for verified certificate chains. It speeds up verification of * signatures to cache certificate chain verification results for some amount * of time (a few minutes). */ public interface VerifiedCertChainCache { /** * Adds a new verified certificate chain to the cache. This should cause * {@link #contains(List)}, when passed the same argument, to return true * for a few minutes. * * @param key the certificate chain. */ public abstract void add(List<? extends X509Certificate> key); /** * Returns true if the object is present in the cache, false otherwise. */ public abstract boolean contains(List<? extends X509Certificate> key); }