content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one or more
   *  contributor license agreements.  See the NOTICE file distributed with
   *  this work for additional information regarding copyright ownership.
   *  The ASF licenses this file to You 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 android.framework.org.apache.harmony.security_custom.x509;
  
  import java.io.IOException;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1OctetString;
  import android.framework.org.apache.harmony.security_custom.utils.Array;
  
  /**
   * Subject Key Identifier Extension (OID = 2.5.29.14).
   *
   * The ASN.1 definition for extension is:
   *
   * <pre>
   *  id-ce-subjectKeyIdentifier OBJECT IDENTIFIER ::=  { id-ce 14 }
   *
   *  SubjectKeyIdentifier ::= KeyIdentifier
   *
   *  KeyIdentifier ::= OCTET STRING
   * </pre>
   * (as specified in RFC 3280 http://www.ietf.org/rfc/rfc3280.txt)
   */
  public final class SubjectKeyIdentifier extends ExtensionValue {
  
      // the value of key identifier
      private final byte[] keyIdentifier;
  
      /**
       * Creates the object on the base of the value of key identifier.
       */
      public SubjectKeyIdentifier(byte[] keyIdentifier) {
          this.keyIdentifier = keyIdentifier;
      }
  
      /**
       * Creates an object on the base of its encoded form.
       */
      public static SubjectKeyIdentifier decode(byte[] encoding)
              throws IOException {
          SubjectKeyIdentifier res = new SubjectKeyIdentifier((byte[])
                  ASN1OctetString.getInstance().decode(encoding));
          res.encoding = encoding;
          return res;
      }
  
      @Override public byte[] getEncoded() {
          if (encoding == null) {
              encoding = ASN1OctetString.getInstance().encode(keyIdentifier);
          }
          return encoding;
      }
  
      @Override public void dumpValue(StringBuilder sb, String prefix) {
          sb.append(prefix).append("SubjectKeyIdentifier: [\n");
          sb.append(Array.toString(keyIdentifier, prefix));
          sb.append(prefix).append("]\n");
      }
  }
  