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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 with debug enabled.

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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.oiw.OIWObjectIdentifiers;
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.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(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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