org.bouncycastle.asn1.x509.AttributeCertificate Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of bcprov-ext-debug-jdk18on Show documentation

The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for Java 1.8 and later with debug enabled.

The newest version!

package org.bouncycastle.asn1.x509;

import org.bouncycastle.asn1.ASN1BitString;
import org.bouncycastle.asn1.ASN1EncodableVector;
import org.bouncycastle.asn1.ASN1Object;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERSequence;

public class AttributeCertificate
    extends ASN1Object
{
    AttributeCertificateInfo    acinfo;
    AlgorithmIdentifier         signatureAlgorithm;
    ASN1BitString               signatureValue;

    /**
     * @param obj
     * @return an AttributeCertificate object
     */
    public static AttributeCertificate getInstance(Object obj)
    {
        if (obj instanceof AttributeCertificate)
        {
            return (AttributeCertificate)obj;
        }
        else if (obj != null)
        {
            return new AttributeCertificate(ASN1Sequence.getInstance(obj));
        }

        return null;
    }
    
    public AttributeCertificate(
        AttributeCertificateInfo    acinfo,
        AlgorithmIdentifier         signatureAlgorithm,
        ASN1BitString               signatureValue)
    {
        this.acinfo = acinfo;
        this.signatureAlgorithm = signatureAlgorithm;
        this.signatureValue = signatureValue;
    }

    private AttributeCertificate(ASN1Sequence seq)
    {
        if (seq.size() != 3)
        {
            throw new IllegalArgumentException("Bad sequence size: " + seq.size());
        }

        this.acinfo = AttributeCertificateInfo.getInstance(seq.getObjectAt(0));
        this.signatureAlgorithm = AlgorithmIdentifier.getInstance(seq.getObjectAt(1));
        this.signatureValue = ASN1BitString.getInstance(seq.getObjectAt(2));
    }
    
    public AttributeCertificateInfo getAcinfo()
    {
        return acinfo;
    }

    public AlgorithmIdentifier getSignatureAlgorithm()
    {
        return signatureAlgorithm;
    }

    public ASN1BitString getSignatureValue()
    {
        return signatureValue;
    }

    /**
     * Produce an object suitable for an ASN1OutputStream.
     *      *  AttributeCertificate ::= SEQUENCE {
     *       acinfo               AttributeCertificateInfo,
     *       signatureAlgorithm   AlgorithmIdentifier,
     *       signatureValue       BIT STRING
     *  }
     * 
     */
    public ASN1Primitive toASN1Primitive()
    {
        ASN1EncodableVector v = new ASN1EncodableVector(3);

        v.add(acinfo);
        v.add(signatureAlgorithm);
        v.add(signatureValue);

        return new DERSequence(v);
    }
}