principalutil.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   PrincipalUtil.java

package org.bouncycastle.jce;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.security.cert.*;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.x509.TBSCertList;
import org.bouncycastle.asn1.x509.TBSCertificateStructure;

// Referenced classes of package org.bouncycastle.jce:
//			X509Principal

public class PrincipalUtil
{

	public PrincipalUtil()
	{
	}

	public static X509Principal getIssuerX509Principal(X509Certificate cert)
		throws CertificateEncodingException
	{
		TBSCertificateStructure tbsCert;
		ByteArrayInputStream bIn = new ByteArrayInputStream(cert.getTBSCertificate());
		ASN1InputStream aIn = new ASN1InputStream(bIn);
		tbsCert = new TBSCertificateStructure((ASN1Sequence)aIn.readObject());
		return new X509Principal(tbsCert.getIssuer());
		IOException e;
		e;
		throw new CertificateEncodingException(e.toString());
	}

	public static X509Principal getSubjectX509Principal(X509Certificate cert)
		throws CertificateEncodingException
	{
		TBSCertificateStructure tbsCert;
		ByteArrayInputStream bIn = new ByteArrayInputStream(cert.getTBSCertificate());
		ASN1InputStream aIn = new ASN1InputStream(bIn);
		tbsCert = new TBSCertificateStructure((ASN1Sequence)aIn.readObject());
		return new X509Principal(tbsCert.getSubject());
		IOException e;
		e;
		throw new CertificateEncodingException(e.toString());
	}

	public static X509Principal getIssuerX509Principal(X509CRL crl)
		throws CRLException
	{
		TBSCertList tbsCertList;
		ByteArrayInputStream bIn = new ByteArrayInputStream(crl.getTBSCertList());
		ASN1InputStream aIn = new ASN1InputStream(bIn);
		tbsCertList = new TBSCertList((ASN1Sequence)aIn.readObject());
		return new X509Principal(tbsCertList.getIssuer());
		IOException e;
		e;
		throw new CRLException(e.toString());
	}
}