de.fraunhofer.fokus.openeid.ri.RestrictedIdentificationInfo.java Source code

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Here is the source code for de.fraunhofer.fokus.openeid.ri.RestrictedIdentificationInfo.java

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/*******************************************************************************
 * Implementation of the protocols PACE, Terminal Authentication and Chip 
 * Authentication (client side) with respect to the according BSI standards.
 * 
 * Copyright (C) 2013  Fraunhofer-Gesellschaft
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program 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 General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ******************************************************************************/
package de.fraunhofer.fokus.openeid.ri;

import org.bouncycastle.asn1.DERInteger;
import org.bouncycastle.asn1.DERObjectIdentifier;
import org.bouncycastle.asn1.DERSequence;

/**
 * "This data structure provides detailed information on an implementation of 
 * Restricted Identification." (BSI-TR 03110)
 * 
 * @author Simon Hohberg
 *
 */
public class RestrictedIdentificationInfo {

    public String protocolOid;
    public ProtocolParams protocolParams;
    /** optional */
    public int maxKeyLen = -1;

    public RestrictedIdentificationInfo(DERSequence sequence) {
        DERObjectIdentifier derOid = (DERObjectIdentifier) sequence.getObjectAt(0);
        protocolOid = derOid.getId();
        this.protocolParams = new ProtocolParams((DERSequence) sequence.getObjectAt(1));
        if (sequence.size() > 2) {
            this.maxKeyLen = ((DERInteger) sequence.getObjectAt(2)).getValue().intValue();
        }
    }
}