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.
   */
  
  /**
  * @author Boris Kuznetsov
  * @version $Revision$
  */
  package android.framework.org.apache.harmony.security_custom.pkcs7;
  
  import java.util.List;
  import android.framework.org.apache.harmony.security_custom.asn1.ASN1SetOf;
  import android.framework.org.apache.harmony.security_custom.asn1.BerInputStream;
  import android.framework.org.apache.harmony.security_custom.x501.AttributeTypeAndValue;
  
  /**
   * As defined in PKCS #7: Cryptographic Message Syntax Standard
   * (http://www.ietf.org/rfc/rfc2315.txt):
   * authenticatedAttributes is a set of attributes that are signed (i.e., authenticated) by the signer
   */
  final class AuthenticatedAttributes {
      private byte[] encoding;
      private final List<AttributeTypeAndValue> authenticatedAttributes;
  
      private AuthenticatedAttributes(byte[] encoding,
              List<AttributeTypeAndValue> authenticatedAttributes) {
          this.encoding = encoding;
          this.authenticatedAttributes = authenticatedAttributes;
      }
  
      public List<AttributeTypeAndValue> getAttributes() {
          return authenticatedAttributes;
      }
  
      /**
       * Returns ASN.1 encoded form of this authenticatedAttributes.
       */
      public byte[] getEncoded() {
          if (encoding == null) {
              encoding = ASN1.encode(this);
          }
          return encoding;
      }
  
      public static final ASN1SetOf ASN1 =
          new ASN1SetOf(AttributeTypeAndValue.ASN1) {
          @Override public Object getDecodedObject(BerInputStream in) {
              return new AuthenticatedAttributes(in.getEncoded(),
                      (List<AttributeTypeAndValue>) in.content);
          }
      };
  }
  
  