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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 and up. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.

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package org.bouncycastle.its.asn1;

import java.math.BigInteger;

import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;

/**
 *  *     PsidGroupPermissions ::= SEQUENCE {
 *         subjectPermissions SubjectPermissions,
 *         minChainLength INTEGER DEFAULT 1,
 *         chainLengthRange INTEGER DEFAULT 0,
 *         eeType EndEntityType DEFAULT (app)
 *     }
 * 
 */
public class PsidGroupPermissions
    extends ASN1Object
{
    private final SubjectPermissions subjectPermissions;
    private final BigInteger minChainLength;
    private final BigInteger chainLengthRange;
    private final Object eeType;

    private PsidGroupPermissions(ASN1Sequence seq)
    {
        if (seq.size() != 2)
        {
            throw new IllegalArgumentException("sequence not length 2");
        }

        this.subjectPermissions = SubjectPermissions.getInstance(seq.getObjectAt(0));
        this.minChainLength = ASN1Integer.getInstance(seq.getObjectAt(1)).getValue();
        this.chainLengthRange = ASN1Integer.getInstance(seq.getObjectAt(2)).getValue();
        this.eeType = EndEntityType.getInstance(seq.getObjectAt(3));
    }

    public static PsidGroupPermissions getInstance(Object src)
    {
        if (src instanceof PsidGroupPermissions)
        {
            return (PsidGroupPermissions)src;
        }
        else if (src != null)
        {
            return new PsidGroupPermissions(ASN1Sequence.getInstance(src));
        }

        return null;
    }

    public ASN1Primitive toASN1Primitive()
    {
        return null;
    }
}