/* ========================================================================
*
* This file is part of CODEC, which is a Java package for encoding
* and decoding ASN.1 data structures.
*
* Author: Fraunhofer Institute for Computer Graphics Research IGD
* Department A8: Security Technology
* Fraunhoferstr. 5, 64283 Darmstadt, Germany
*
* Rights: Copyright (c) 2004 by Fraunhofer-Gesellschaft
* zur Foerderung der angewandten Forschung e.V.
* Hansastr. 27c, 80686 Munich, Germany.
*
* ------------------------------------------------------------------------
*
* The software package is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software package; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA or obtain a copy of the license at
* http://www.fsf.org/licensing/licenses/lgpl.txt.
*
* ------------------------------------------------------------------------
*
* The CODEC library can solely be used and distributed according to
* the terms and conditions of the GNU Lesser General Public License .
*
* The CODEC library has not been tested for the use or application
* for a determined purpose. It is a developing version that can
* possibly contain errors. Therefore, Fraunhofer-Gesellschaft zur
* Foerderung der angewandten Forschung e.V. does not warrant that the
* operation of the CODEC library will be uninterrupted or error-free.
* Neither does Fraunhofer-Gesellschaft zur Foerderung der angewandten
* Forschung e.V. warrant that the CODEC library will operate and
* interact in an uninterrupted or error-free way together with the
* computer program libraries of third parties which the CODEC library
* accesses and which are distributed together with the CODEC library.
*
* Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
* does not warrant that the operation of the third parties's computer
* program libraries themselves which the CODEC library accesses will
* be uninterrupted or error-free.
*
* Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
* shall not be liable for any errors or direct, indirect, special,
* incidental or consequential damages, including lost profits resulting
* from the combination of the CODEC library with software of any user
* or of any third party or resulting from the implementation of the
* CODEC library in any products, systems or services of any user or
* of any third party.
*
* Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
* does not provide any warranty nor any liability that utilization of
* the CODEC library will not interfere with third party intellectual
* property rights or with any other protected third party rights or will
* cause damage to third parties. Fraunhofer Gesellschaft zur Foerderung
* der angewandten Forschung e.V. is currently not aware of any such
* rights.
*
* The CODEC library is supplied without any accompanying services.
*
* ========================================================================
*/
package codec.pkcs1;
import codec.asn1.ASN1OctetString;
import codec.asn1.ASN1Sequence;
import codec.asn1.ConstraintException;
import codec.x509.AlgorithmIdentifier;
/**
* This class implements a DigestInfo data structure according to PKCS#1
* <p>
*
* <pre>
* DigestInfo ::= SEQUENCE {
* digestAlgorithm AlgorithmIdentifier, -- identifies the digest algorithm
* digest OCTET STRING -- contains the DER-encoded digest value
* }
* </pre>
*
* <p>
*
* @author Michele Boivin
* @version "$Id: DigestInfo.java,v 1.6 2002/08/28 21:40:35 jpeters Exp $"
*/
public class DigestInfo extends ASN1Sequence {
AlgorithmIdentifier aid_ = null;
ASN1OctetString os_ = null;
public DigestInfo() {
super(2);
aid_ = new AlgorithmIdentifier();
os_ = new ASN1OctetString();
add(aid_);
add(os_);
}
public DigestInfo(AlgorithmIdentifier aid, byte[] digest) {
super(2);
aid_ = aid;
add(aid);
os_ = new ASN1OctetString();
try {
os_.setByteArray(digest);
} catch (ConstraintException e) {
System.out.println("internal error:");
e.printStackTrace();
}
add(os_);
}
public AlgorithmIdentifier getAlgorithmIdentifier() {
return aid_;
}
public byte[] getDigest() {
return os_.getByteArray();
}
}