| /* |
| * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.security.util; |
| |
| import java.io.IOException; |
| import java.nio.charset.StandardCharsets; |
| import java.util.Base64; |
| |
| /** |
| * The Length interface defines the length of an object |
| */ |
| public class Pem { |
| |
| /** |
| * Decodes a PEM-encoded block. |
| * |
| * @param input the input string, according to RFC 1421, can only contain |
| * characters in the base-64 alphabet and whitespaces. |
| * @return the decoded bytes |
| * @throws java.io.IOException if input is invalid |
| */ |
| public static byte[] decode(String input) throws IOException { |
| byte[] src = input.replaceAll("\\s+", "") |
| .getBytes(StandardCharsets.ISO_8859_1); |
| try { |
| return Base64.getDecoder().decode(src); |
| } catch (IllegalArgumentException e) { |
| throw new IOException(e); |
| } |
| } |
| } |