package org.bouncycastle.jce;

import java.io.*;
import java.security.cert.*;

import org.bouncycastle.asn1.*;
import org.bouncycastle.asn1.x509.*;

a utility class that will extract X509Principal objects from X.509 certificates.

Use this in preference to trying to recreate a principal from a String, not all DNs are what they should be, so it's best to leave them encoded where they can be.

/** * a utility class that will extract X509Principal objects from X.509 certificates. * <p> * Use this in preference to trying to recreate a principal from a String, not all * DNs are what they should be, so it's best to leave them encoded where they * can be. */
public class PrincipalUtil {
return the issuer of the given cert as an X509PrincipalObject.
/** * return the issuer of the given cert as an X509PrincipalObject. */
public static X509Principal getIssuerX509Principal( X509Certificate cert) throws CertificateEncodingException { try { TBSCertificateStructure tbsCert = TBSCertificateStructure.getInstance( ASN1Object.fromByteArray(cert.getTBSCertificate())); return new X509Principal(tbsCert.getIssuer()); } catch (IOException e) { throw new CertificateEncodingException(e.toString()); } }
return the subject of the given cert as an X509PrincipalObject.
/** * return the subject of the given cert as an X509PrincipalObject. */
public static X509Principal getSubjectX509Principal( X509Certificate cert) throws CertificateEncodingException { try { TBSCertificateStructure tbsCert = TBSCertificateStructure.getInstance( ASN1Object.fromByteArray(cert.getTBSCertificate())); return new X509Principal(tbsCert.getSubject()); } catch (IOException e) { throw new CertificateEncodingException(e.toString()); } }
return the issuer of the given CRL as an X509PrincipalObject.
/** * return the issuer of the given CRL as an X509PrincipalObject. */
public static X509Principal getIssuerX509Principal( X509CRL crl) throws CRLException { try { TBSCertList tbsCertList = TBSCertList.getInstance( ASN1Object.fromByteArray(crl.getTBSCertList())); return new X509Principal(tbsCertList.getIssuer()); } catch (IOException e) { throw new CRLException(e.toString()); } } }