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package org.bouncycastle.tsp.test;
import java.io.IOException;
import java.math.BigInteger;
import java.security.GeneralSecurityException;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.SecureRandom;
import java.security.cert.X509Certificate;
import java.util.Date;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.x509.AuthorityKeyIdentifier;
import org.bouncycastle.asn1.x509.BasicConstraints;
import org.bouncycastle.asn1.x509.ExtendedKeyUsage;
import org.bouncycastle.asn1.x509.Extension;
import org.bouncycastle.asn1.x509.KeyPurposeId;
import org.bouncycastle.asn1.x509.SubjectKeyIdentifier;
import org.bouncycastle.asn1.x509.X509Name;
import org.bouncycastle.cert.jcajce.JcaX509ExtensionUtils;
import org.bouncycastle.util.encoders.Base64;
import org.bouncycastle.x509.X509V3CertificateGenerator;
public class TSPTestUtil
{
public static SecureRandom rand = new SecureRandom();
public static KeyPairGenerator kpg;
public static KeyGenerator desede128kg;
public static KeyGenerator desede192kg;
public static KeyGenerator rc240kg;
public static KeyGenerator rc264kg;
public static KeyGenerator rc2128kg;
public static BigInteger serialNumber = BigInteger.ONE;
public static final boolean DEBUG = true;
public static ASN1ObjectIdentifier EuroPKI_TSA_Test_Policy = new ASN1ObjectIdentifier(
"1.3.6.1.4.1.5255.5.1");
public static JcaX509ExtensionUtils extUtils;
static
{
try
{
rand = new SecureRandom();
kpg = KeyPairGenerator.getInstance("RSA", "BC");
kpg.initialize(1024, rand);
desede128kg = KeyGenerator.getInstance("DESEDE", "BC");
desede128kg.init(112, rand);
desede192kg = KeyGenerator.getInstance("DESEDE", "BC");
desede192kg.init(168, rand);
rc240kg = KeyGenerator.getInstance("RC2", "BC");
rc240kg.init(40, rand);
rc264kg = KeyGenerator.getInstance("RC2", "BC");
rc264kg.init(64, rand);
rc2128kg = KeyGenerator.getInstance("RC2", "BC");
rc2128kg.init(128, rand);
serialNumber = new BigInteger("1");
extUtils = new JcaX509ExtensionUtils();
}
catch (Exception ex)
{
throw new RuntimeException(ex.toString());
}
}
public static String dumpBase64(byte[] data)
{
StringBuffer buf = new StringBuffer();
data = Base64.encode(data);
for (int i = 0; i < data.length; i += 64)
{
if (i + 64 < data.length)
{
buf.append(new String(data, i, 64));
}
else
{
buf.append(new String(data, i, data.length - i));
}
buf.append('\n');
}
return buf.toString();
}
public static KeyPair makeKeyPair()
{
return kpg.generateKeyPair();
}
public static SecretKey makeDesede128Key()
{
return desede128kg.generateKey();
}
public static SecretKey makeDesede192Key()
{
return desede192kg.generateKey();
}
public static SecretKey makeRC240Key()
{
return rc240kg.generateKey();
}
public static SecretKey makeRC264Key()
{
return rc264kg.generateKey();
}
public static SecretKey makeRC2128Key()
{
return rc2128kg.generateKey();
}
public static X509Certificate makeCertificate(KeyPair _subKP,
String _subDN, KeyPair _issKP, String _issDN)
throws GeneralSecurityException, IOException
{
return makeCertificate(_subKP, _subDN, _issKP, _issDN, false);
}
public static X509Certificate makeCACertificate(KeyPair _subKP,
String _subDN, KeyPair _issKP, String _issDN)
throws GeneralSecurityException, IOException
{
return makeCertificate(_subKP, _subDN, _issKP, _issDN, true);
}
public static X509Certificate makeCertificate(KeyPair _subKP,
String _subDN, KeyPair _issKP, String _issDN, boolean _ca)
throws GeneralSecurityException, IOException
{
PublicKey _subPub = _subKP.getPublic();
PrivateKey _issPriv = _issKP.getPrivate();
PublicKey _issPub = _issKP.getPublic();
X509V3CertificateGenerator _v3CertGen = new X509V3CertificateGenerator();
_v3CertGen.reset();
_v3CertGen.setSerialNumber(allocateSerialNumber());
_v3CertGen.setIssuerDN(new X509Name(_issDN));
_v3CertGen.setNotBefore(new Date(System.currentTimeMillis()));
_v3CertGen.setNotAfter(new Date(System.currentTimeMillis()
+ (1000L * 60 * 60 * 24 * 100)));
_v3CertGen.setSubjectDN(new X509Name(_subDN));
_v3CertGen.setPublicKey(_subPub);
_v3CertGen.setSignatureAlgorithm("MD5WithRSAEncryption");
_v3CertGen.addExtension(Extension.subjectKeyIdentifier, false,
createSubjectKeyId(_subPub));
_v3CertGen.addExtension(Extension.authorityKeyIdentifier, false,
createAuthorityKeyId(_issPub));
if (_ca)
{
_v3CertGen.addExtension(Extension.basicConstraints, false,
new BasicConstraints(_ca));
}
else
{
_v3CertGen.addExtension(Extension.extendedKeyUsage, true,
new ExtendedKeyUsage(KeyPurposeId.id_kp_timeStamping));
}
X509Certificate _cert = _v3CertGen.generate(_issPriv);
_cert.checkValidity(new Date());
_cert.verify(_issPub);
return _cert;
}
/*
*
* INTERNAL METHODS
*
*/
private static AuthorityKeyIdentifier createAuthorityKeyId(PublicKey _pubKey)
throws IOException
{
return extUtils.createAuthorityKeyIdentifier(_pubKey);
}
private static SubjectKeyIdentifier createSubjectKeyId(PublicKey _pubKey)
throws IOException
{
return extUtils.createSubjectKeyIdentifier(_pubKey);
}
private static BigInteger allocateSerialNumber()
{
BigInteger _tmp = serialNumber;
serialNumber = serialNumber.add(BigInteger.ONE);
return _tmp;
}
}
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