sesecuritymanagerbc.java

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// 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:   SESecurityManagerBC.java

package org.gudy.azureus2.core3.security.impl;

import java.math.BigInteger;
import java.security.*;
import java.security.cert.Certificate;
import java.util.Calendar;
import org.bouncycastle.asn1.x509.X509Name;
import org.bouncycastle.jce.X509V3CertificateGenerator;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.gudy.azureus2.core3.util.RandomUtils;
import org.gudy.azureus2.core3.util.SystemTime;

// Referenced classes of package org.gudy.azureus2.core3.security.impl:
//			SESecurityManagerImpl

public class SESecurityManagerBC
{

	public SESecurityManagerBC()
	{
	}

	protected static void initialise()
	{
		Security.addProvider(new BouncyCastleProvider());
	}

	public static Certificate createSelfSignedCertificate(SESecurityManagerImpl manager, String alias, String cert_dn, int strength)
		throws Exception
	{
		KeyPairGenerator kg = KeyPairGenerator.getInstance("RSA");
		kg.initialize(strength, RandomUtils.SECURE_RANDOM);
		KeyPair pair = kg.generateKeyPair();
		X509V3CertificateGenerator certificateGenerator = new X509V3CertificateGenerator();
		certificateGenerator.setSignatureAlgorithm("MD5WithRSAEncryption");
		certificateGenerator.setSerialNumber(new BigInteger((new StringBuilder()).append("").append(SystemTime.getCurrentTime()).toString()));
		X509Name issuer_dn = new X509Name(true, cert_dn);
		certificateGenerator.setIssuerDN(issuer_dn);
		X509Name subject_dn = new X509Name(true, cert_dn);
		certificateGenerator.setSubjectDN(subject_dn);
		Calendar not_after = Calendar.getInstance();
		not_after.add(1, 1);
		certificateGenerator.setNotAfter(not_after.getTime());
		certificateGenerator.setNotBefore(Calendar.getInstance().getTime());
		certificateGenerator.setPublicKey(pair.getPublic());
		java.security.cert.X509Certificate certificate = certificateGenerator.generateX509Certificate(pair.getPrivate());
		Certificate certChain[] = {
			certificate
		};
		manager.addCertToKeyStore(alias, pair.getPrivate(), certChain);
		return certificate;
	}
}