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Viewing changes to src/org/bouncycastle/asn1/ess/ESSCertID.java

  • Committer: Brian Thomason
  • Date: 2011-12-20 17:20:32 UTC
  • Revision ID: brian.thomason@canonical.com-20111220172032-rdtm13jgdxtksacr
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src/org/bouncycastle/asn1/ess/ESSCertID.java
 
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package org.bouncycastle.asn1.ess;
 
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import org.bouncycastle.asn1.ASN1Encodable;
 
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import org.bouncycastle.asn1.ASN1EncodableVector;
 
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import org.bouncycastle.asn1.ASN1OctetString;
 
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import org.bouncycastle.asn1.ASN1Sequence;
 
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import org.bouncycastle.asn1.DERObject;
 
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import org.bouncycastle.asn1.DEROctetString;
 
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import org.bouncycastle.asn1.DERSequence;
 
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import org.bouncycastle.asn1.x509.IssuerSerial;
 
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public class ESSCertID
 
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    extends ASN1Encodable
 
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{
 
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    private ASN1OctetString certHash;
 
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    private IssuerSerial issuerSerial;
 
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    public static ESSCertID getInstance(Object o)
 
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    {
 
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        if (o == null || o instanceof ESSCertID)
 
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        {
 
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            return (ESSCertID)o;
 
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        }
 
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        else if (o instanceof ASN1Sequence)
 
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        {
 
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            return new ESSCertID((ASN1Sequence)o);
 
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        }
 
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        throw new IllegalArgumentException(
 
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                "unknown object in 'ESSCertID' factory : "
 
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                        + o.getClass().getName() + ".");
 
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    }
 
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    /**
 
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     * constructor
 
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     */
 
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    public ESSCertID(ASN1Sequence seq)
 
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    {
 
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        if (seq.size() < 1 || seq.size() > 2)
 
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        {
 
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            throw new IllegalArgumentException("Bad sequence size: " + seq.size());
 
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        }
 
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        certHash = ASN1OctetString.getInstance(seq.getObjectAt(0));
 
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        if (seq.size() > 1)
 
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        {
 
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            issuerSerial = IssuerSerial.getInstance(seq.getObjectAt(1));
 
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        }
 
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    }
 
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    public ESSCertID(
 
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        byte[]          hash)
 
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    {
 
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        certHash = new DEROctetString(hash);
 
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    }
 
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    public ESSCertID(
 
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        byte[]          hash,
 
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        IssuerSerial    issuerSerial)
 
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    {
 
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        this.certHash = new DEROctetString(hash);
 
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        this.issuerSerial = issuerSerial;
 
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    }
 
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    public byte[] getCertHash()
 
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    {
 
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        return certHash.getOctets();
 
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    }
 
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    public IssuerSerial getIssuerSerial()
 
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    {
 
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        return issuerSerial;
 
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    }
 
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    /**
 
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     * <pre>
 
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     * ESSCertID ::= SEQUENCE {
 
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     *     certHash Hash, 
 
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     *     issuerSerial IssuerSerial OPTIONAL }
 
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     * </pre>
 
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     */
 
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    public DERObject toASN1Object()
 
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    {
 
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        ASN1EncodableVector v = new ASN1EncodableVector();
 
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        v.add(certHash);
 
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        if (issuerSerial != null)
 
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        {
 
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            v.add(issuerSerial);
 
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        }
 
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        return new DERSequence(v);
 
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    }
 
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}