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54 lines
2 KiB
Java
54 lines
2 KiB
Java
/*
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* Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.security.util;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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import java.util.Base64;
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/**
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* The Length interface defines the length of an object
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*/
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public class Pem {
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/**
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* Decodes a PEM-encoded block.
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*
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* @param input the input string, according to RFC 1421, can only contain
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* characters in the base-64 alphabet and whitespaces.
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* @return the decoded bytes
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* @throws java.io.IOException if input is invalid
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*/
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public static byte[] decode(String input) throws IOException {
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byte[] src = input.replaceAll("\\s+", "")
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.getBytes(StandardCharsets.ISO_8859_1);
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try {
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return Base64.getDecoder().decode(src);
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} catch (IllegalArgumentException e) {
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throw new IOException(e);
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}
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}
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}
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