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package org.spongycastle.ocsp;
import org.spongycastle.asn1.DERNull;
import org.spongycastle.asn1.DERObjectIdentifier;
import org.spongycastle.asn1.cryptopro.CryptoProObjectIdentifiers;
import org.spongycastle.asn1.nist.NISTObjectIdentifiers;
import org.spongycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.spongycastle.asn1.teletrust.TeleTrusTObjectIdentifiers;
import org.spongycastle.asn1.x509.AlgorithmIdentifier;
import org.spongycastle.asn1.x9.X9ObjectIdentifiers;
import org.spongycastle.util.Strings;
import java.security.InvalidAlgorithmParameterException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.Signature;
import java.security.cert.CertStore;
import java.security.cert.CertStoreParameters;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
class OCSPUtil
{
private static Hashtable algorithms = new Hashtable();
private static Hashtable oids = new Hashtable();
private static Set noParams = new HashSet();
static
{
algorithms.put("MD2WITHRSAENCRYPTION", PKCSObjectIdentifiers.md2WithRSAEncryption);
algorithms.put("MD2WITHRSA", PKCSObjectIdentifiers.md2WithRSAEncryption);
algorithms.put("MD5WITHRSAENCRYPTION", PKCSObjectIdentifiers.md5WithRSAEncryption);
algorithms.put("MD5WITHRSA", PKCSObjectIdentifiers.md5WithRSAEncryption);
algorithms.put("SHA1WITHRSAENCRYPTION", PKCSObjectIdentifiers.sha1WithRSAEncryption);
algorithms.put("SHA1WITHRSA", PKCSObjectIdentifiers.sha1WithRSAEncryption);
algorithms.put("SHA224WITHRSAENCRYPTION", PKCSObjectIdentifiers.sha224WithRSAEncryption);
algorithms.put("SHA224WITHRSA", PKCSObjectIdentifiers.sha224WithRSAEncryption);
algorithms.put("SHA256WITHRSAENCRYPTION", PKCSObjectIdentifiers.sha256WithRSAEncryption);
algorithms.put("SHA256WITHRSA", PKCSObjectIdentifiers.sha256WithRSAEncryption);
algorithms.put("SHA384WITHRSAENCRYPTION", PKCSObjectIdentifiers.sha384WithRSAEncryption);
algorithms.put("SHA384WITHRSA", PKCSObjectIdentifiers.sha384WithRSAEncryption);
algorithms.put("SHA512WITHRSAENCRYPTION", PKCSObjectIdentifiers.sha512WithRSAEncryption);
algorithms.put("SHA512WITHRSA", PKCSObjectIdentifiers.sha512WithRSAEncryption);
algorithms.put("RIPEMD160WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd160);
algorithms.put("RIPEMD160WITHRSA", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd160);
algorithms.put("RIPEMD128WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd128);
algorithms.put("RIPEMD128WITHRSA", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd128);
algorithms.put("RIPEMD256WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd256);
algorithms.put("RIPEMD256WITHRSA", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd256);
algorithms.put("SHA1WITHDSA", X9ObjectIdentifiers.id_dsa_with_sha1);
algorithms.put("DSAWITHSHA1", X9ObjectIdentifiers.id_dsa_with_sha1);
algorithms.put("SHA224WITHDSA", NISTObjectIdentifiers.dsa_with_sha224);
algorithms.put("SHA256WITHDSA", NISTObjectIdentifiers.dsa_with_sha256);
algorithms.put("SHA1WITHECDSA", X9ObjectIdentifiers.ecdsa_with_SHA1);
algorithms.put("ECDSAWITHSHA1", X9ObjectIdentifiers.ecdsa_with_SHA1);
algorithms.put("SHA224WITHECDSA", X9ObjectIdentifiers.ecdsa_with_SHA224);
algorithms.put("SHA256WITHECDSA", X9ObjectIdentifiers.ecdsa_with_SHA256);
algorithms.put("SHA384WITHECDSA", X9ObjectIdentifiers.ecdsa_with_SHA384);
algorithms.put("SHA512WITHECDSA", X9ObjectIdentifiers.ecdsa_with_SHA512);
algorithms.put("GOST3411WITHGOST3410", CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94);
algorithms.put("GOST3411WITHGOST3410-94", CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94);
oids.put(PKCSObjectIdentifiers.md2WithRSAEncryption, "MD2WITHRSA");
oids.put(PKCSObjectIdentifiers.md5WithRSAEncryption, "MD5WITHRSA");
oids.put(PKCSObjectIdentifiers.sha1WithRSAEncryption, "SHA1WITHRSA");
oids.put(PKCSObjectIdentifiers.sha224WithRSAEncryption, "SHA224WITHRSA");
oids.put(PKCSObjectIdentifiers.sha256WithRSAEncryption, "SHA256WITHRSA");
oids.put(PKCSObjectIdentifiers.sha384WithRSAEncryption, "SHA384WITHRSA");
oids.put(PKCSObjectIdentifiers.sha512WithRSAEncryption, "SHA512WITHRSA");
oids.put(TeleTrusTObjectIdentifiers.rsaSignatureWithripemd160, "RIPEMD160WITHRSA");
oids.put(TeleTrusTObjectIdentifiers.rsaSignatureWithripemd128, "RIPEMD128WITHRSA");
oids.put(TeleTrusTObjectIdentifiers.rsaSignatureWithripemd256, "RIPEMD256WITHRSA");
oids.put(X9ObjectIdentifiers.id_dsa_with_sha1, "SHA1WITHDSA");
oids.put(NISTObjectIdentifiers.dsa_with_sha224, "SHA224WITHDSA");
oids.put(NISTObjectIdentifiers.dsa_with_sha256, "SHA256WITHDSA");
oids.put(X9ObjectIdentifiers.ecdsa_with_SHA1, "SHA1WITHECDSA");
oids.put(X9ObjectIdentifiers.ecdsa_with_SHA224, "SHA224WITHECDSA");
oids.put(X9ObjectIdentifiers.ecdsa_with_SHA256, "SHA256WITHECDSA");
oids.put(X9ObjectIdentifiers.ecdsa_with_SHA384, "SHA384WITHECDSA");
oids.put(X9ObjectIdentifiers.ecdsa_with_SHA512, "SHA512WITHECDSA");
oids.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94, "GOST3411WITHGOST3410");
//
// According to RFC 3279, the ASN.1 encoding SHALL (id-dsa-with-sha1) or MUST (ecdsa-with-SHA*) omit the parameters field.
// The parameters field SHALL be NULL for RSA based signature algorithms.
//
noParams.add(X9ObjectIdentifiers.ecdsa_with_SHA1);
noParams.add(X9ObjectIdentifiers.ecdsa_with_SHA224);
noParams.add(X9ObjectIdentifiers.ecdsa_with_SHA256);
noParams.add(X9ObjectIdentifiers.ecdsa_with_SHA384);
noParams.add(X9ObjectIdentifiers.ecdsa_with_SHA512);
noParams.add(X9ObjectIdentifiers.id_dsa_with_sha1);
noParams.add(NISTObjectIdentifiers.dsa_with_sha224);
noParams.add(NISTObjectIdentifiers.dsa_with_sha256);
}
static DERObjectIdentifier getAlgorithmOID(
String algorithmName)
{
algorithmName = Strings.toUpperCase(algorithmName);
if (algorithms.containsKey(algorithmName))
{
return (DERObjectIdentifier)algorithms.get(algorithmName);
}
return new DERObjectIdentifier(algorithmName);
}
static String getAlgorithmName(
DERObjectIdentifier oid)
{
if (oids.containsKey(oid))
{
return (String)oids.get(oid);
}
return oid.getId();
}
static AlgorithmIdentifier getSigAlgID(
DERObjectIdentifier sigOid)
{
if (noParams.contains(sigOid))
{
return new AlgorithmIdentifier(sigOid);
}
else
{
return new AlgorithmIdentifier(sigOid, new DERNull());
}
}
static Iterator getAlgNames()
{
Enumeration e = algorithms.keys();
List l = new ArrayList();
while (e.hasMoreElements())
{
l.add(e.nextElement());
}
return l.iterator();
}
static CertStore createCertStoreInstance(String type, CertStoreParameters params, String provider)
throws InvalidAlgorithmParameterException, NoSuchAlgorithmException, NoSuchProviderException
{
if (provider == null)
{
return CertStore.getInstance(type, params);
}
return CertStore.getInstance(type, params, provider);
}
static MessageDigest createDigestInstance(String digestName, String provider)
throws NoSuchAlgorithmException, NoSuchProviderException
{
if (provider == null)
{
return MessageDigest.getInstance(digestName);
}
return MessageDigest.getInstance(digestName, provider);
}
static Signature createSignatureInstance(String sigName, String provider)
throws NoSuchAlgorithmException, NoSuchProviderException
{
if (provider == null)
{
return Signature.getInstance(sigName);
}
return Signature.getInstance(sigName, provider);
}
static CertificateFactory createX509CertificateFactory(String provider)
throws CertificateException, NoSuchProviderException
{
if (provider == null)
{
return CertificateFactory.getInstance("X.509");
}
return CertificateFactory.getInstance("X.509", provider);
}
}
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