Java tutorial
/* * Copyright 2019 ThoughtWorks, 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.thoughtworks.go.security; import org.apache.commons.codec.digest.DigestUtils; import java.security.GeneralSecurityException; import java.security.cert.X509Certificate; import static com.thoughtworks.go.util.ExceptionUtils.bomb; public class CertificateUtil { public static String md5Fingerprint(X509Certificate certificate) { try { return DigestUtils.sha256Hex(certificate.getEncoded()); } catch (GeneralSecurityException gse) { throw bomb(gse); } } }