org.bouncycastle.cert.selector.jcajce.JcaX509CertSelectorConverter Maven / Gradle / Ivy

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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.cert.selector.jcajce;

import java.io.IOException;
import java.math.BigInteger;
import java.security.cert.X509CertSelector;

import org.bouncycastle.asn1.DEROctetString;
import org.bouncycastle.asn1.x500.X500Name;
import org.bouncycastle.cert.selector.X509CertificateHolderSelector;

public class JcaX509CertSelectorConverter
{
    public JcaX509CertSelectorConverter()
    {
    }

    protected X509CertSelector doConversion(X500Name issuer, BigInteger serialNumber, byte[] subjectKeyIdentifier)
    {
        X509CertSelector selector = new X509CertSelector();

        if (issuer != null)
        {
            try
            {
                selector.setIssuer(issuer.getEncoded());
            }
            catch (IOException e)
            {
                throw new IllegalArgumentException("unable to convert issuer: " + e.getMessage());
            }
        }

        if (serialNumber != null)
        {
            selector.setSerialNumber(serialNumber);
        }

        if (subjectKeyIdentifier != null)
        {
            try
            {
                selector.setSubjectKeyIdentifier(new DEROctetString(subjectKeyIdentifier).getEncoded());
            }
            catch (IOException e)
            {
                throw new IllegalArgumentException("unable to convert issuer: " + e.getMessage());
            }
        }

        return selector;
    }

    public X509CertSelector getCertSelector(X509CertificateHolderSelector holderSelector)
    {
        return doConversion(holderSelector.getIssuer(), holderSelector.getSerialNumber(), holderSelector.getSubjectKeyIdentifier());
    }
}