List of usage examples for org.bouncycastle.asn1.sec ECPrivateKey ECPrivateKey
public ECPrivateKey(BigInteger key, ASN1Encodable parameters)
From source file:eu.betaas.taas.securitymanager.common.certificate.utils.PKCS12Utils.java
License:Apache License
/** * A method to create PKCS12 file that stores the certificates. * @param pfxOut: the output of pkcs12 file (in OutputStream) * @param key: private key that is associated with the credential * @param chain: chain of certificates (within the credential) * @param keyPasswd: key password/*from w w w. j av a2 s . c om*/ * @throws Exception */ public static void createPKCS12FileBc(OutputStream pfxOut, AsymmetricKeyParameter key, X509CertificateHolder[] chain, char[] keyPasswd) throws Exception { OutputEncryptor encOut = new BcPKCS12PBEOutputEncryptorBuilder( PKCSObjectIdentifiers.pbeWithSHAAnd3_KeyTripleDES_CBC, new CBCBlockCipher(new DESedeEngine())) .build(keyPasswd); PKCS12SafeBagBuilder taCertBagBuilder = null; PKCS12SafeBagBuilder caCertBagBuilder = null; PKCS12SafeBagBuilder eeCertBagBuilder = null; SubjectKeyIdentifier pubKeyId = null; // identify the type of certificate from the given certificate chain for (int i = 0; i < chain.length; i++) { Extensions exs = chain[i].getExtensions(); if (exs != null) { KeyUsage ku = KeyUsage.fromExtensions(exs); if (ku.toString().equals("KeyUsage: 0x" + Integer.toHexString(128 | 32))) { // end entity certificate eeCertBagBuilder = new PKCS12SafeBagBuilder(chain[i]); BcX509ExtensionUtils extUtils = new BcX509ExtensionUtils(); eeCertBagBuilder.addBagAttribute(PKCS12SafeBag.friendlyNameAttribute, new DERBMPString("Eric's Key")); pubKeyId = extUtils.createSubjectKeyIdentifier(chain[i].getSubjectPublicKeyInfo()); eeCertBagBuilder.addBagAttribute(PKCS12SafeBag.localKeyIdAttribute, pubKeyId); } else if (ku.toString().equals("KeyUsage: 0x" + Integer.toHexString(128 | 4 | 2))) { // intermediate certificate caCertBagBuilder = new PKCS12SafeBagBuilder(chain[i]); caCertBagBuilder.addBagAttribute(PKCS12SafeBag.friendlyNameAttribute, new DERBMPString("BETaaS Intermediate Certificate")); } } else { // root certificate taCertBagBuilder = new PKCS12SafeBagBuilder(chain[i]); taCertBagBuilder.addBagAttribute(PKCS12SafeBag.friendlyNameAttribute, new DERBMPString("BETaaS Primary Certificate")); } } // PKCS12SafeBagBuilder taCertBagBuilder = new PKCS12SafeBagBuilder(chain[2]); // PKCS12SafeBagBuilder caCertBagBuilder = new PKCS12SafeBagBuilder(chain[1]); // PKCS12SafeBagBuilder eeCertBagBuilder = new PKCS12SafeBagBuilder(chain[0]); // the ECPrivateKey, consists of the key itself and the ECParams BigInteger dPriv = ((ECPrivateKeyParameters) key).getD(); X9ECParameters ecParams = new X9ECParameters(((ECKeyParameters) key).getParameters().getCurve(), ((ECKeyParameters) key).getParameters().getG(), ((ECKeyParameters) key).getParameters().getN(), ((ECKeyParameters) key).getParameters().getH(), ((ECKeyParameters) key).getParameters().getSeed()); ECPrivateKey privParams = new ECPrivateKey(dPriv, ecParams); // include the ecParams AlgorithmIdentifier sigAlg = new AlgorithmIdentifier(X9ObjectIdentifiers.id_ecPublicKey, ecParams); // PrivateKeyInfo keyInfo = PrivateKeyInfoFactory.createPrivateKeyInfo(key); PKCS12SafeBagBuilder keyBagBuilder = new PKCS12SafeBagBuilder(new PrivateKeyInfo(sigAlg, privParams), encOut); keyBagBuilder.addBagAttribute(PKCS12SafeBag.friendlyNameAttribute, new DERBMPString("Eric's Key")); if (pubKeyId != null) keyBagBuilder.addBagAttribute(PKCS12SafeBag.localKeyIdAttribute, pubKeyId); PKCS12PfxPduBuilder builder = new PKCS12PfxPduBuilder(); builder.addData(keyBagBuilder.build()); // no need to insert SHA1Digest() because it is the default Digest algorithm // check each of the certbagbuilder if (caCertBagBuilder != null && taCertBagBuilder != null && eeCertBagBuilder != null) { // include all types of certificate in the file --> root own's credential builder.addEncryptedData( new BcPKCS12PBEOutputEncryptorBuilder(PKCSObjectIdentifiers.pbeWithSHAAnd128BitRC2_CBC, new CBCBlockCipher(new RC2Engine())).build(keyPasswd), new PKCS12SafeBag[] { eeCertBagBuilder.build(), caCertBagBuilder.build(), taCertBagBuilder.build() }); } else if (caCertBagBuilder != null && taCertBagBuilder != null && eeCertBagBuilder == null) { // only root and intermediate --> signer credential builder.addEncryptedData( new BcPKCS12PBEOutputEncryptorBuilder(PKCSObjectIdentifiers.pbeWithSHAAnd128BitRC2_CBC, new CBCBlockCipher(new RC2Engine())).build(keyPasswd), new PKCS12SafeBag[] { caCertBagBuilder.build(), taCertBagBuilder.build() }); } else if (caCertBagBuilder == null && taCertBagBuilder == null) { // only end entity --> e.g. application, user, etc builder.addEncryptedData( new BcPKCS12PBEOutputEncryptorBuilder(PKCSObjectIdentifiers.pbeWithSHAAnd128BitRC2_CBC, new CBCBlockCipher(new RC2Engine())).build(keyPasswd), new PKCS12SafeBag[] { eeCertBagBuilder.build() }); } else if (caCertBagBuilder != null && taCertBagBuilder == null && eeCertBagBuilder != null) { // only intermediate and end entity --> common GW certificate builder.addEncryptedData( new BcPKCS12PBEOutputEncryptorBuilder(PKCSObjectIdentifiers.pbeWithSHAAnd128BitRC2_CBC, new CBCBlockCipher(new RC2Engine())).build(keyPasswd), new PKCS12SafeBag[] { eeCertBagBuilder.build(), caCertBagBuilder.build() }); } // PKCS12PfxPdu pfx = builder.build(new BcPKCS12MacCalculatorBuilder( // new SHA256Digest(), // new AlgorithmIdentifier(NISTObjectIdentifiers.id_sha256)), keyPasswd); PKCS12PfxPdu pfx = builder.build(new BcPKCS12MacCalculatorBuilder(), keyPasswd); // make sure we don't include indefinite length encoding pfxOut.write(pfx.getEncoded(ASN1Encoding.DL)); pfxOut.close(); }