com.novosec.pkix.asn1.crmf.PKMACValue.java Source code

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Here is the source code for com.novosec.pkix.asn1.crmf.PKMACValue.java

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// CMP implementation copyright (c) 2003 NOVOSEC AG (http://www.novosec.com)
//
// Author: Maik Stohn
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this 
// software and associated documentation files (the "Software"), to deal in the Software 
// without restriction, including without limitation the rights to use, copy, modify, merge, 
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons 
// to whom the Software is furnished to do so, subject to the following conditions: 
//
// The above copyright notice and this permission notice shall be included in all copies or 
// substantial portions of the Software. 
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
// BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 

package com.novosec.pkix.asn1.crmf;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1TaggedObject;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DEREncodable;
import org.bouncycastle.asn1.DERObject;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;

/**
 * ASN.1 structure DER En/DeCoder.
 *
 * <pre>
 *  PKMACValue ::= SEQUENCE {
 *   algId  AlgorithmIdentifier,  -- algorithm value shall be PasswordBasedMac {1 2 840 113533 7 66 13} parameter value is PBMParameter
 *   value  BIT STRING }
 *
 * </pre>
 */
public class PKMACValue implements DEREncodable {
    AlgorithmIdentifier algId;
    DERBitString value;

    public static PKMACValue getInstance(ASN1TaggedObject obj, boolean explicit) {
        return getInstance(ASN1Sequence.getInstance(obj, explicit));
    }

    public static PKMACValue getInstance(Object obj) {
        if (obj instanceof PKMACValue) {
            return (PKMACValue) obj;
        } else if (obj instanceof ASN1Sequence) {
            return new PKMACValue((ASN1Sequence) obj);
        }

        throw new IllegalArgumentException("unknown object in factory");
    }

    public PKMACValue(ASN1Sequence seq) {
        this.algId = AlgorithmIdentifier.getInstance(seq.getObjectAt(0));
        this.value = DERBitString.getInstance(seq.getObjectAt(1));
    }

    public PKMACValue(AlgorithmIdentifier algId, DERBitString value) {
        this.algId = algId;
        this.value = value;
    }

    public AlgorithmIdentifier getAlgId() {
        return algId;
    }

    public DERBitString getValue() {
        return value;
    }

    public DERObject getDERObject() {
        ASN1EncodableVector v = new ASN1EncodableVector();

        v.add(algId);
        v.add(value);

        return new DERSequence(v);
    }

    public String toString() {
        return "PKMACValue: (algId = " + this.getAlgId() + ", value = " + this.getValue() + ")";
    }
}