org.bouncycastle.asn1.its.CertificateBase Maven / Gradle / Ivy

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The Bouncy Castle Java APIs for ASN.1 extension and utility APIs used to support bcpkix and bctls with the BC FIPS provider. The APIs may also be used with other providers although if being used in a FIPS context it is the responsibility of the user to ensure that any other providers used are FIPS certified and used appropriately.

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package org.bouncycastle.asn1.its;

import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERSequence;

/**
 *  *     CertificateBase ::= SEQUENCE {
 *         version Uint8(3),
 *         type CertificateType,
 *         issuer IssuerIdentifier,
 *         toBeSigned ToBeSignedCertificate,
 *         signature Signature OPTIONAL
 *     }
 * 
 */
public class CertificateBase
    extends ASN1Object
{
    private CertificateType type;
    private byte[] version;

    protected CertificateBase(ASN1Sequence seq)
    {

    }

    public static CertificateBase getInstance(Object o)
    {
        if (o instanceof ImplicitCertificate)
        {
            return (ImplicitCertificate)o;
        }
        if (o instanceof ExplicitCertificate)
        {
            return (ExplicitCertificate)o;
        }

        if (o != null)
        {
            ASN1Sequence seq = ASN1Sequence.getInstance(o);

            if (seq.getObjectAt(1).equals(CertificateType.Implicit))
            {
                return ImplicitCertificate.getInstance(seq);
            }
            if (seq.getObjectAt(1).equals(CertificateType.Explicit))
            {
                return ExplicitCertificate.getInstance(seq);
            }
            throw new IllegalArgumentException("unknown certificate type");
        }

        return null;
    }

    public ASN1Primitive toASN1Primitive()
    {
        ASN1EncodableVector v = new ASN1EncodableVector();

        return new DERSequence(v);
    }
}