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    1   /*
    2    * Copyright (c) 1997, 2005, Oracle and/or its affiliates. All rights reserved.
    3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
    4    *
    5    * This code is free software; you can redistribute it and/or modify it
    6    * under the terms of the GNU General Public License version 2 only, as
    7    * published by the Free Software Foundation.  Oracle designates this
    8    * particular file as subject to the "Classpath" exception as provided
    9    * by Oracle in the LICENSE file that accompanied this code.
   10    *
   11    * This code is distributed in the hope that it will be useful, but WITHOUT
   12    * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   13    * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   14    * version 2 for more details (a copy is included in the LICENSE file that
   15    * accompanied this code).
   16    *
   17    * You should have received a copy of the GNU General Public License version
   18    * 2 along with this work; if not, write to the Free Software Foundation,
   19    * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   20    *
   21    * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   22    * or visit www.oracle.com if you need additional information or have any
   23    * questions.
   24    */
   25   
   26   package java.security.spec;
   27   
   28   /**
   29    * This class represents the ASN.1 encoding of a public key,
   30    * encoded according to the ASN.1 type <code>SubjectPublicKeyInfo</code>.
   31    * The <code>SubjectPublicKeyInfo</code> syntax is defined in the X.509
   32    * standard as follows:
   33    *
   34    * <pre>
   35    * SubjectPublicKeyInfo ::= SEQUENCE {
   36    *   algorithm AlgorithmIdentifier,
   37    *   subjectPublicKey BIT STRING }
   38    * </pre>
   39    *
   40    * @author Jan Luehe
   41    *
   42    *
   43    * @see java.security.Key
   44    * @see java.security.KeyFactory
   45    * @see KeySpec
   46    * @see EncodedKeySpec
   47    * @see PKCS8EncodedKeySpec
   48    *
   49    * @since 1.2
   50    */
   51   
   52   public class X509EncodedKeySpec extends EncodedKeySpec {
   53   
   54       /**
   55        * Creates a new X509EncodedKeySpec with the given encoded key.
   56        *
   57        * @param encodedKey the key, which is assumed to be
   58        * encoded according to the X.509 standard. The contents of the
   59        * array are copied to protect against subsequent modification.
   60        * @exception NullPointerException if <code>encodedKey</code>
   61        * is null.
   62        */
   63       public X509EncodedKeySpec(byte[] encodedKey) {
   64           super(encodedKey);
   65       }
   66   
   67       /**
   68        * Returns the key bytes, encoded according to the X.509 standard.
   69        *
   70        * @return the X.509 encoding of the key. Returns a new array
   71        * each time this method is called.
   72        */
   73       public byte[] getEncoded() {
   74           return super.getEncoded();
   75       }
   76   
   77       /**
   78        * Returns the name of the encoding format associated with this
   79        * key specification.
   80        *
   81        * @return the string <code>"X.509"</code>.
   82        */
   83       public final String getFormat() {
   84           return "X.509";
   85       }
   86   }

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