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The Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms. This jar contains JCE provider and lightweight API for the Bouncy Castle Cryptography APIs for JDK 1.5 to JDK 1.8.
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package org.bouncycastle.jce;
import java.io.IOException;
import java.security.AlgorithmParameters;
import java.security.GeneralSecurityException;
import java.security.InvalidKeyException;
import java.security.KeyFactory;
import java.security.NoSuchAlgorithmException;
import java.security.NoSuchProviderException;
import java.security.PrivateKey;
import java.security.PublicKey;
import java.security.Signature;
import java.security.SignatureException;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PSSParameterSpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.Set;
import javax.security.auth.x500.X500Principal;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Encoding;
import org.bouncycastle.asn1.ASN1InputStream;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.bouncycastle.asn1.ASN1Primitive;
import org.bouncycastle.asn1.ASN1Sequence;
import org.bouncycastle.asn1.ASN1Set;
import org.bouncycastle.asn1.DERBitString;
import org.bouncycastle.asn1.DERNull;
import org.bouncycastle.asn1.cryptopro.CryptoProObjectIdentifiers;
import org.bouncycastle.asn1.nist.NISTObjectIdentifiers;
import org.bouncycastle.asn1.pkcs.CertificationRequest;
import org.bouncycastle.asn1.pkcs.CertificationRequestInfo;
import org.bouncycastle.asn1.pkcs.PKCSObjectIdentifiers;
import org.bouncycastle.asn1.pkcs.RSASSAPSSparams;
import org.bouncycastle.asn1.teletrust.TeleTrusTObjectIdentifiers;
import org.bouncycastle.asn1.x509.AlgorithmIdentifier;
import org.bouncycastle.asn1.x509.SubjectPublicKeyInfo;
import org.bouncycastle.asn1.x509.X509Name;
import org.bouncycastle.asn1.x9.X9ObjectIdentifiers;
import org.bouncycastle.internal.asn1.oiw.OIWObjectIdentifiers;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import org.bouncycastle.util.Strings;
/**
* A class for verifying and creating PKCS10 Certification requests.
*
* CertificationRequest ::= SEQUENCE {
* certificationRequestInfo CertificationRequestInfo,
* signatureAlgorithm AlgorithmIdentifier{{ SignatureAlgorithms }},
* signature BIT STRING
* }
*
* CertificationRequestInfo ::= SEQUENCE {
* version INTEGER { v1(0) } (v1,...),
* subject Name,
* subjectPKInfo SubjectPublicKeyInfo{{ PKInfoAlgorithms }},
* attributes [0] Attributes{{ CRIAttributes }}
* }
*
* Attributes { ATTRIBUTE:IOSet } ::= SET OF Attribute{{ IOSet }}
*
* Attribute { ATTRIBUTE:IOSet } ::= SEQUENCE {
* type ATTRIBUTE.&id({IOSet}),
* values SET SIZE(1..MAX) OF ATTRIBUTE.&Type({IOSet}{\@type})
* }
*
* @deprecated use classes in org.bouncycastle.pkcs.
*/
public class PKCS10CertificationRequest
extends CertificationRequest
{
private static Hashtable algorithms = new Hashtable();
private static Hashtable params = new Hashtable();
private static Hashtable keyAlgorithms = new Hashtable();
private static Hashtable oids = new Hashtable();
private static Set noParams = new HashSet();
static
{
algorithms.put("MD2WITHRSAENCRYPTION", new ASN1ObjectIdentifier("1.2.840.113549.1.1.2"));
algorithms.put("MD2WITHRSA", new ASN1ObjectIdentifier("1.2.840.113549.1.1.2"));
algorithms.put("MD5WITHRSAENCRYPTION", new ASN1ObjectIdentifier("1.2.840.113549.1.1.4"));
algorithms.put("MD5WITHRSA", new ASN1ObjectIdentifier("1.2.840.113549.1.1.4"));
algorithms.put("RSAWITHMD5", new ASN1ObjectIdentifier("1.2.840.113549.1.1.4"));
algorithms.put("SHA1WITHRSAENCRYPTION", new ASN1ObjectIdentifier("1.2.840.113549.1.1.5"));
algorithms.put("SHA1WITHRSA", new ASN1ObjectIdentifier("1.2.840.113549.1.1.5"));
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("SHA1WITHRSAANDMGF1", PKCSObjectIdentifiers.id_RSASSA_PSS);
algorithms.put("SHA224WITHRSAANDMGF1", PKCSObjectIdentifiers.id_RSASSA_PSS);
algorithms.put("SHA256WITHRSAANDMGF1", PKCSObjectIdentifiers.id_RSASSA_PSS);
algorithms.put("SHA384WITHRSAANDMGF1", PKCSObjectIdentifiers.id_RSASSA_PSS);
algorithms.put("SHA512WITHRSAANDMGF1", PKCSObjectIdentifiers.id_RSASSA_PSS);
algorithms.put("RSAWITHSHA1", new ASN1ObjectIdentifier("1.2.840.113549.1.1.5"));
algorithms.put("RIPEMD128WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd128);
algorithms.put("RIPEMD128WITHRSA", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd128);
algorithms.put("RIPEMD160WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd160);
algorithms.put("RIPEMD160WITHRSA", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd160);
algorithms.put("RIPEMD256WITHRSAENCRYPTION", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd256);
algorithms.put("RIPEMD256WITHRSA", TeleTrusTObjectIdentifiers.rsaSignatureWithripemd256);
algorithms.put("SHA1WITHDSA", new ASN1ObjectIdentifier("1.2.840.10040.4.3"));
algorithms.put("DSAWITHSHA1", new ASN1ObjectIdentifier("1.2.840.10040.4.3"));
algorithms.put("SHA224WITHDSA", NISTObjectIdentifiers.dsa_with_sha224);
algorithms.put("SHA256WITHDSA", NISTObjectIdentifiers.dsa_with_sha256);
algorithms.put("SHA384WITHDSA", NISTObjectIdentifiers.dsa_with_sha384);
algorithms.put("SHA512WITHDSA", NISTObjectIdentifiers.dsa_with_sha512);
algorithms.put("SHA1WITHECDSA", 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("ECDSAWITHSHA1", X9ObjectIdentifiers.ecdsa_with_SHA1);
algorithms.put("GOST3411WITHGOST3410", CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94);
algorithms.put("GOST3410WITHGOST3411", CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94);
algorithms.put("GOST3411WITHECGOST3410", CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_2001);
algorithms.put("GOST3411WITHECGOST3410-2001", CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_2001);
algorithms.put("GOST3411WITHGOST3410-2001", CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_2001);
//
// reverse mappings
//
oids.put(new ASN1ObjectIdentifier("1.2.840.113549.1.1.5"), "SHA1WITHRSA");
oids.put(PKCSObjectIdentifiers.sha224WithRSAEncryption, "SHA224WITHRSA");
oids.put(PKCSObjectIdentifiers.sha256WithRSAEncryption, "SHA256WITHRSA");
oids.put(PKCSObjectIdentifiers.sha384WithRSAEncryption, "SHA384WITHRSA");
oids.put(PKCSObjectIdentifiers.sha512WithRSAEncryption, "SHA512WITHRSA");
oids.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94, "GOST3411WITHGOST3410");
oids.put(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_2001, "GOST3411WITHECGOST3410");
oids.put(new ASN1ObjectIdentifier("1.2.840.113549.1.1.4"), "MD5WITHRSA");
oids.put(new ASN1ObjectIdentifier("1.2.840.113549.1.1.2"), "MD2WITHRSA");
oids.put(new ASN1ObjectIdentifier("1.2.840.10040.4.3"), "SHA1WITHDSA");
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(OIWObjectIdentifiers.sha1WithRSA, "SHA1WITHRSA");
oids.put(OIWObjectIdentifiers.dsaWithSHA1, "SHA1WITHDSA");
oids.put(NISTObjectIdentifiers.dsa_with_sha224, "SHA224WITHDSA");
oids.put(NISTObjectIdentifiers.dsa_with_sha256, "SHA256WITHDSA");
//
// key types
//
keyAlgorithms.put(PKCSObjectIdentifiers.rsaEncryption, "RSA");
keyAlgorithms.put(X9ObjectIdentifiers.id_dsa, "DSA");
//
// 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(OIWObjectIdentifiers.dsaWithSHA1);
noParams.add(NISTObjectIdentifiers.dsa_with_sha224);
noParams.add(NISTObjectIdentifiers.dsa_with_sha256);
//
// RFC 4491
//
noParams.add(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_94);
noParams.add(CryptoProObjectIdentifiers.gostR3411_94_with_gostR3410_2001);
//
// explicit params
//
AlgorithmIdentifier sha1AlgId = new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, DERNull.INSTANCE);
params.put("SHA1WITHRSAANDMGF1", creatPSSParams(sha1AlgId, 20));
AlgorithmIdentifier sha224AlgId = new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha224, DERNull.INSTANCE);
params.put("SHA224WITHRSAANDMGF1", creatPSSParams(sha224AlgId, 28));
AlgorithmIdentifier sha256AlgId = new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha256, DERNull.INSTANCE);
params.put("SHA256WITHRSAANDMGF1", creatPSSParams(sha256AlgId, 32));
AlgorithmIdentifier sha384AlgId = new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha384, DERNull.INSTANCE);
params.put("SHA384WITHRSAANDMGF1", creatPSSParams(sha384AlgId, 48));
AlgorithmIdentifier sha512AlgId = new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha512, DERNull.INSTANCE);
params.put("SHA512WITHRSAANDMGF1", creatPSSParams(sha512AlgId, 64));
}
private static RSASSAPSSparams creatPSSParams(AlgorithmIdentifier hashAlgId, int saltSize)
{
return new RSASSAPSSparams(
hashAlgId,
new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, hashAlgId),
new ASN1Integer(saltSize),
new ASN1Integer(1));
}
private static ASN1Sequence toDERSequence(
byte[] bytes)
{
try
{
ASN1InputStream dIn = new ASN1InputStream(bytes);
return (ASN1Sequence)dIn.readObject();
}
catch (Exception e)
{
throw new IllegalArgumentException("badly encoded request");
}
}
/**
* construct a PKCS10 certification request from a DER encoded
* byte stream.
*/
public PKCS10CertificationRequest(
byte[] bytes)
{
super(toDERSequence(bytes));
}
public PKCS10CertificationRequest(
ASN1Sequence sequence)
{
super(sequence);
}
/**
* create a PKCS10 certfication request using the BC provider.
*/
public PKCS10CertificationRequest(
String signatureAlgorithm,
X509Name subject,
PublicKey key,
ASN1Set attributes,
PrivateKey signingKey)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidKeyException, SignatureException
{
this(signatureAlgorithm, subject, key, attributes, signingKey, BouncyCastleProvider.PROVIDER_NAME);
}
private static X509Name convertName(
X500Principal name)
{
try
{
return new X509Principal(name.getEncoded());
}
catch (IOException e)
{
throw new IllegalArgumentException("can't convert name");
}
}
/**
* create a PKCS10 certfication request using the BC provider.
*/
public PKCS10CertificationRequest(
String signatureAlgorithm,
X500Principal subject,
PublicKey key,
ASN1Set attributes,
PrivateKey signingKey)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidKeyException, SignatureException
{
this(signatureAlgorithm, convertName(subject), key, attributes, signingKey, BouncyCastleProvider.PROVIDER_NAME);
}
/**
* create a PKCS10 certfication request using the named provider.
*/
public PKCS10CertificationRequest(
String signatureAlgorithm,
X500Principal subject,
PublicKey key,
ASN1Set attributes,
PrivateKey signingKey,
String provider)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidKeyException, SignatureException
{
this(signatureAlgorithm, convertName(subject), key, attributes, signingKey, provider);
}
/**
* create a PKCS10 certfication request using the named provider.
*/
public PKCS10CertificationRequest(
String signatureAlgorithm,
X509Name subject,
PublicKey key,
ASN1Set attributes,
PrivateKey signingKey,
String provider)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidKeyException, SignatureException
{
String algorithmName = Strings.toUpperCase(signatureAlgorithm);
ASN1ObjectIdentifier sigOID = (ASN1ObjectIdentifier)algorithms.get(algorithmName);
if (sigOID == null)
{
try
{
sigOID = new ASN1ObjectIdentifier(algorithmName);
}
catch (Exception e)
{
throw new IllegalArgumentException("Unknown signature type requested");
}
}
if (subject == null)
{
throw new IllegalArgumentException("subject must not be null");
}
if (key == null)
{
throw new IllegalArgumentException("public key must not be null");
}
if (noParams.contains(sigOID))
{
this.sigAlgId = new AlgorithmIdentifier(sigOID);
}
else if (params.containsKey(algorithmName))
{
this.sigAlgId = new AlgorithmIdentifier(sigOID, (ASN1Encodable)params.get(algorithmName));
}
else
{
this.sigAlgId = new AlgorithmIdentifier(sigOID, DERNull.INSTANCE);
}
try
{
ASN1Sequence seq = (ASN1Sequence)ASN1Primitive.fromByteArray(key.getEncoded());
this.reqInfo = new CertificationRequestInfo(subject, SubjectPublicKeyInfo.getInstance(seq), attributes);
}
catch (IOException e)
{
throw new IllegalArgumentException("can't encode public key");
}
Signature sig;
if (provider == null)
{
sig = Signature.getInstance(signatureAlgorithm);
}
else
{
sig = Signature.getInstance(signatureAlgorithm, provider);
}
sig.initSign(signingKey);
try
{
sig.update(reqInfo.getEncoded(ASN1Encoding.DER));
}
catch (Exception e)
{
throw new IllegalArgumentException("exception encoding TBS cert request - " + e);
}
this.sigBits = new DERBitString(sig.sign());
}
/**
* return the public key associated with the certification request -
* the public key is created using the BC provider.
*/
public PublicKey getPublicKey()
throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeyException
{
return getPublicKey(BouncyCastleProvider.PROVIDER_NAME);
}
public PublicKey getPublicKey(
String provider)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidKeyException
{
SubjectPublicKeyInfo subjectPKInfo = reqInfo.getSubjectPublicKeyInfo();
try
{
X509EncodedKeySpec xspec = new X509EncodedKeySpec(new DERBitString(subjectPKInfo).getOctets());
AlgorithmIdentifier keyAlg = subjectPKInfo.getAlgorithm();
try
{
if (provider == null)
{
return KeyFactory.getInstance(keyAlg.getAlgorithm().getId()).generatePublic(xspec);
}
else
{
return KeyFactory.getInstance(keyAlg.getAlgorithm().getId(), provider).generatePublic(xspec);
}
}
catch (NoSuchAlgorithmException e)
{
//
// try an alternate
//
if (keyAlgorithms.get(keyAlg.getAlgorithm()) != null)
{
String keyAlgorithm = (String)keyAlgorithms.get(keyAlg.getAlgorithm());
if (provider == null)
{
return KeyFactory.getInstance(keyAlgorithm).generatePublic(xspec);
}
else
{
return KeyFactory.getInstance(keyAlgorithm, provider).generatePublic(xspec);
}
}
throw e;
}
}
catch (InvalidKeySpecException e)
{
throw new InvalidKeyException("error decoding public key");
}
catch (IOException e)
{
throw new InvalidKeyException("error decoding public key");
}
}
/**
* verify the request using the BC provider.
*/
public boolean verify()
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidKeyException, SignatureException
{
return verify(BouncyCastleProvider.PROVIDER_NAME);
}
/**
* verify the request using the passed in provider.
*/
public boolean verify(
String provider)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidKeyException, SignatureException
{
return verify(this.getPublicKey(provider), provider);
}
/**
* verify the request using the passed in public key and the provider..
*/
public boolean verify(
PublicKey pubKey,
String provider)
throws NoSuchAlgorithmException, NoSuchProviderException,
InvalidKeyException, SignatureException
{
Signature sig;
try
{
if (provider == null)
{
sig = Signature.getInstance(getSignatureName(sigAlgId));
}
else
{
sig = Signature.getInstance(getSignatureName(sigAlgId), provider);
}
}
catch (NoSuchAlgorithmException e)
{
//
// try an alternate
//
if (oids.get(sigAlgId.getAlgorithm()) != null)
{
String signatureAlgorithm = (String)oids.get(sigAlgId.getAlgorithm());
if (provider == null)
{
sig = Signature.getInstance(signatureAlgorithm);
}
else
{
sig = Signature.getInstance(signatureAlgorithm, provider);
}
}
else
{
throw e;
}
}
setSignatureParameters(sig, sigAlgId.getParameters());
sig.initVerify(pubKey);
try
{
sig.update(reqInfo.getEncoded(ASN1Encoding.DER));
}
catch (Exception e)
{
throw new SignatureException("exception encoding TBS cert request - " + e);
}
return sig.verify(sigBits.getOctets());
}
/**
* return a DER encoded byte array representing this object
*/
public byte[] getEncoded()
{
try
{
return this.getEncoded(ASN1Encoding.DER);
}
catch (IOException e)
{
throw new RuntimeException(e.toString());
}
}
private void setSignatureParameters(
Signature signature,
ASN1Encodable params)
throws NoSuchAlgorithmException, SignatureException, InvalidKeyException
{
if (params != null && !DERNull.INSTANCE.equals(params))
{
AlgorithmParameters sigParams = AlgorithmParameters.getInstance(signature.getAlgorithm(), signature.getProvider());
try
{
sigParams.init(params.toASN1Primitive().getEncoded(ASN1Encoding.DER));
}
catch (IOException e)
{
throw new SignatureException("IOException decoding parameters: " + e.getMessage());
}
if (signature.getAlgorithm().endsWith("MGF1"))
{
try
{
signature.setParameter(sigParams.getParameterSpec(PSSParameterSpec.class));
}
catch (GeneralSecurityException e)
{
throw new SignatureException("Exception extracting parameters: " + e.getMessage());
}
}
}
}
static String getSignatureName(
AlgorithmIdentifier sigAlgId)
{
ASN1Encodable params = sigAlgId.getParameters();
if (params != null && !DERNull.INSTANCE.equals(params))
{
if (sigAlgId.getAlgorithm().equals(PKCSObjectIdentifiers.id_RSASSA_PSS))
{
RSASSAPSSparams rsaParams = RSASSAPSSparams.getInstance(params);
return getDigestAlgName(rsaParams.getHashAlgorithm().getAlgorithm()) + "withRSAandMGF1";
}
}
return sigAlgId.getAlgorithm().getId();
}
private static String getDigestAlgName(
ASN1ObjectIdentifier digestAlgOID)
{
if (PKCSObjectIdentifiers.md5.equals(digestAlgOID))
{
return "MD5";
}
else if (OIWObjectIdentifiers.idSHA1.equals(digestAlgOID))
{
return "SHA1";
}
else if (NISTObjectIdentifiers.id_sha224.equals(digestAlgOID))
{
return "SHA224";
}
else if (NISTObjectIdentifiers.id_sha256.equals(digestAlgOID))
{
return "SHA256";
}
else if (NISTObjectIdentifiers.id_sha384.equals(digestAlgOID))
{
return "SHA384";
}
else if (NISTObjectIdentifiers.id_sha512.equals(digestAlgOID))
{
return "SHA512";
}
else if (TeleTrusTObjectIdentifiers.ripemd128.equals(digestAlgOID))
{
return "RIPEMD128";
}
else if (TeleTrusTObjectIdentifiers.ripemd160.equals(digestAlgOID))
{
return "RIPEMD160";
}
else if (TeleTrusTObjectIdentifiers.ripemd256.equals(digestAlgOID))
{
return "RIPEMD256";
}
else if (CryptoProObjectIdentifiers.gostR3411.equals(digestAlgOID))
{
return "GOST3411";
}
else
{
return digestAlgOID.getId();
}
}
}
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