Java tutorial
//package com.java2s; /* * QuasselDroid - Quassel client for Android * Copyright (C) 2016 Janne Koschinski * Copyright (C) 2016 Ken Brge Viktil * Copyright (C) 2016 Magnus Fjell * Copyright (C) 2016 Martin Sandsmark <martin.sandsmark@kde.org> * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation, either version 3 of the License, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program. If not, see <http://www.gnu.org/licenses/>. */ import android.support.annotation.NonNull; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.security.cert.CertificateEncodingException; import java.security.cert.X509Certificate; public class Main { private static byte[] getHash(@NonNull X509Certificate certificate) throws NoSuchAlgorithmException, CertificateEncodingException { MessageDigest digest = java.security.MessageDigest.getInstance("SHA1"); digest.update(certificate.getEncoded()); return digest.digest(); } }