List of usage examples for org.bouncycastle.x509 X509V3CertificateGenerator setSubjectDN
public void setSubjectDN(X509Name subject)
From source file:at.ac.tuwien.ifs.tita.business.security.TiTASecurity.java
License:Apache License
/** * Generates a fresh Certificate for a Users KeyPair. * // w w w. j a v a 2 s. c o m * @param pair the KeyPair to create a Certificate for. * @param userName the Issuer of the Certificate * @return a 10 Year valid Certificate for the User. * @throws TiTASecurityException If an error occurs during the generation Process. */ private static X509Certificate generateV3Certificate(KeyPair pair, String userName) throws TiTASecurityException { Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider()); X509V3CertificateGenerator certGen = new X509V3CertificateGenerator(); certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis())); certGen.setIssuerDN(new X500Principal("CN=" + userName + " Certificate")); certGen.setNotBefore(new Date(System.currentTimeMillis())); certGen.setNotAfter(new Date(System.currentTimeMillis() + VALID_TIME_RANGE)); certGen.setSubjectDN(new X500Principal("CN=" + userName + " Certificate")); certGen.setPublicKey(pair.getPublic()); certGen.setSignatureAlgorithm("SHA256WithRSAEncryption"); certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(false)); certGen.addExtension(X509Extensions.KeyUsage, true, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment)); certGen.addExtension(X509Extensions.ExtendedKeyUsage, true, new ExtendedKeyUsage(KeyPurposeId.id_kp_serverAuth)); X509Certificate targetCertificate = null; try { targetCertificate = certGen.generate(pair.getPrivate(), "BC"); } catch (NoSuchProviderException e) { log.error("Could create a certificate for: " + userName + "."); throw new TiTASecurityException("Error while Generating a Certificate for: " + userName + ". Specified provider was not found.\n" + e.getMessage()); } catch (NoSuchAlgorithmException e) { log.error("Could create a certificate for: " + userName + "."); throw new TiTASecurityException("Error while Generating a Certificate for: " + userName + ". Specified algorithm was not found.\n" + e.getMessage()); } catch (SignatureException e) { log.error("Could create a certificate for: " + userName + "."); throw new TiTASecurityException("Error while Generating a Certificate for: " + userName + ". Signature is not valid.\n" + e.getMessage()); } catch (CertificateEncodingException e) { log.error("Could create a certificate for: " + userName + "."); throw new TiTASecurityException("Error while Generating a Certificate for: " + userName + ". Wrong encoding for Signature.\n" + e.getMessage()); } catch (InvalidKeyException e) { log.error("Could create a certificate for: " + userName + "."); throw new TiTASecurityException("Error while Generating a Certificate for: " + userName + ". The Key is not valid.\n" + e.getMessage()); } return targetCertificate; }
From source file:at.tugraz.ist.akm.keystore.ApplicationKeyStore.java
License:Apache License
private void createNewCertificate() throws InvalidKeyException, SecurityException, SignatureException, NoSuchAlgorithmException, CertificateEncodingException, IllegalStateException, NoSuchProviderException { Security.addProvider(new BouncyCastleProvider()); X509V3CertificateGenerator certGenerator = new X509V3CertificateGenerator(); certGenerator.setSerialNumber(BigInteger.valueOf(Math.abs(mRandom.nextInt() + 1))); certGenerator.setIssuerDN(new X500Principal(CertificateDefaultAttributes.ISSUER)); certGenerator.setSubjectDN(new X500Principal(CertificateDefaultAttributes.SUBJECT)); certGenerator.setNotBefore(new Date( System.currentTimeMillis() - CertificateDefaultAttributes.VALID_DURATION_BEFORE_NOW_MILLISECONDS)); certGenerator.setNotAfter(new Date( System.currentTimeMillis() + CertificateDefaultAttributes.VALID_DURATION_FROM_NOW_MILLISECONDS)); KeyPairGenerator keyGenerator = KeyPairGenerator .getInstance(CertificateDefaultAttributes.KEYPAIR_GENERATOR); keyGenerator.initialize(CertificateDefaultAttributes.KEYPAIR_LENGTH_BITS); KeyPair newKeyPair = keyGenerator.generateKeyPair(); certGenerator.setPublicKey(newKeyPair.getPublic()); certGenerator.setSignatureAlgorithm(CertificateDefaultAttributes.ENCRYPTION_ALGORITHM); X509Certificate newCertificate = certGenerator.generate(newKeyPair.getPrivate()); mCertificate = newCertificate;// w w w.ja v a2 s.c o m mKeyPair = newKeyPair; }
From source file:brooklyn.util.crypto.FluentKeySigner.java
License:Apache License
public X509Certificate newCertificateFor(X500Principal subject, PublicKey keyToCertify) { try {/*www . j a va2s . c o m*/ X509V3CertificateGenerator v3CertGen = new X509V3CertificateGenerator(); v3CertGen.setSerialNumber(serialNumber != null ? serialNumber : // must be positive BigInteger.valueOf(srand.nextLong()).abs().add(BigInteger.ONE)); v3CertGen.setIssuerDN(issuerPrincipal); v3CertGen.setNotBefore(validityStartDate); v3CertGen.setNotAfter(validityEndDate); v3CertGen.setSignatureAlgorithm(signatureAlgorithm); v3CertGen.setSubjectDN(subject); v3CertGen.setPublicKey(keyToCertify); v3CertGen.addExtension(X509Extension.subjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(keyToCertify)); if (authorityKeyIdentifier != null) v3CertGen.addExtension(X509Extension.authorityKeyIdentifier, false, authorityKeyIdentifier); X509Certificate pkCertificate = v3CertGen.generate(issuerKey.getPrivate(), "BC"); return pkCertificate; } catch (Exception e) { throw Exceptions.propagate(e); } }
From source file:ca.nrc.cadc.cred.CertUtil.java
License:Open Source License
/** * Method that generates an X509 proxy certificate * /* www .ja va 2s . c o m*/ * @param csr CSR for the certificate * @param lifetime lifetime of the certificate in SECONDS * @param chain certificate used to sign the proxy certificate * @return generated proxy certificate * @throws NoSuchAlgorithmException * @throws NoSuchProviderException * @throws InvalidKeyException * @throws CertificateParsingException * @throws CertificateEncodingException * @throws SignatureException * @throws CertificateNotYetValidException * @throws CertificateExpiredException */ public static X509Certificate generateCertificate(PKCS10CertificationRequest csr, int lifetime, X509CertificateChain chain) throws NoSuchAlgorithmException, NoSuchProviderException, InvalidKeyException, CertificateParsingException, CertificateEncodingException, SignatureException, CertificateExpiredException, CertificateNotYetValidException { X509Certificate issuerCert = chain.getChain()[0]; PrivateKey issuerKey = chain.getPrivateKey(); Security.addProvider(new BouncyCastleProvider()); X509V3CertificateGenerator certGen = new X509V3CertificateGenerator(); certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis())); certGen.setIssuerDN(issuerCert.getSubjectX500Principal()); // generate the proxy DN as the issuerDN + CN=random number Random rand = new Random(); String issuerDN = issuerCert.getSubjectX500Principal().getName(X500Principal.RFC2253); String delegDN = String.valueOf(Math.abs(rand.nextInt())); String proxyDn = "CN=" + delegDN + "," + issuerDN; certGen.setSubjectDN(new X500Principal(proxyDn)); // set validity GregorianCalendar date = new GregorianCalendar(TimeZone.getTimeZone("GMT")); // Start date. Allow for a sixty five minute clock skew here. date.add(Calendar.MINUTE, -65); Date beforeDate = date.getTime(); for (X509Certificate currentCert : chain.getChain()) { if (beforeDate.before(currentCert.getNotBefore())) { beforeDate = currentCert.getNotBefore(); } } certGen.setNotBefore(beforeDate); // End date. // If hours = 0, then cert lifetime is set to that of user cert if (lifetime <= 0) { // set the validity of certificates as the minimum // of the certificates in the chain Date afterDate = issuerCert.getNotAfter(); for (X509Certificate currentCert : chain.getChain()) { if (afterDate.after(currentCert.getNotAfter())) { afterDate = currentCert.getNotAfter(); } } certGen.setNotAfter(afterDate); } else { // check the validity of the signing certificate date.add(Calendar.MINUTE, 5); date.add(Calendar.SECOND, lifetime); for (X509Certificate currentCert : chain.getChain()) { currentCert.checkValidity(date.getTime()); } certGen.setNotAfter(date.getTime()); } certGen.setPublicKey(csr.getPublicKey()); // TODO: should be able to get signature algorithm from the csr, but... obtuse certGen.setSignatureAlgorithm(DEFAULT_SIGNATURE_ALGORITHM); // extensions // add ProxyCertInfo extension to the new cert certGen.addExtension(X509Extensions.KeyUsage, true, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment)); certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(issuerCert)); certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(csr.getPublicKey("BC"))); certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(false)); // add the Proxy Certificate Information // I expect this code to be removed once support to proxy // certificates is provided in Bouncy Castle. // create a proxy policy // types of proxy certificate policies - see RFC3820 // impersonates the user final DERObjectIdentifier IMPERSONATION = new DERObjectIdentifier("1.3.6.1.5.5.7.21.1"); // independent // final DERObjectIdentifier INDEPENDENT = new // DERObjectIdentifier( // "1.3.6.1.5.5.7.21.2"); // defined by a policy language // final DERObjectIdentifier LIMITED = new DERObjectIdentifier( // "1.3.6.1.4.1.3536.1.1.1.9"); ASN1EncodableVector policy = new ASN1EncodableVector(); policy.add(IMPERSONATION); // pathLengthConstr (RFC3820) // The pCPathLenConstraint field, if present, specifies the // maximum // depth of the path of Proxy Certificates that can be signed by // this // Proxy Certificate. A pCPathLenConstraint of 0 means that this // certificate MUST NOT be used to sign a Proxy Certificate. If // the // pCPathLenConstraint field is not present then the maximum proxy // path // length is unlimited. End entity certificates have unlimited // maximum // proxy path lengths. // DERInteger pathLengthConstr = new DERInteger(100); // create the proxy certificate information ASN1EncodableVector vec = new ASN1EncodableVector(); // policy.add(pathLengthConstr); vec.add(new DERSequence(policy)); // OID final DERObjectIdentifier OID = new DERObjectIdentifier("1.3.6.1.5.5.7.1.14"); certGen.addExtension(OID, true, new DERSequence(vec)); return certGen.generate(issuerKey, "BC"); }
From source file:chapter6.PKCS10CertCreateExample.java
public static X509Certificate[] buildChain() throws Exception { // Create the certification request KeyPair pair = Utils.generateRSAKeyPair(); PKCS10CertificationRequest request = PKCS10ExtensionExample.generateRequest(pair); // Create a root certificate KeyPair rootPair = Utils.generateRSAKeyPair(); X509Certificate rootCert = X509V1CreateExample.generateV1Certificate(rootPair); // Validate the certification request if (request.verify("BC") == false) { System.out.println("Request failed to verify!!"); System.exit(1);// www. ja v a 2s .c o m } // Create the certificate using the information in the request X509V3CertificateGenerator certGen = new X509V3CertificateGenerator(); certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis())); certGen.setIssuerDN(rootCert.getSubjectX500Principal()); certGen.setNotBefore(new Date(System.currentTimeMillis())); certGen.setNotAfter(new Date(System.currentTimeMillis() + 50000)); certGen.setSubjectDN(new X500Principal(request.getCertificationRequestInfo().getSubject().getEncoded())); certGen.setPublicKey(request.getPublicKey("BC")); certGen.setSignatureAlgorithm("SHA256WithRSAEncryption"); certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(rootCert)); certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(request.getPublicKey("BC"))); certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(false)); certGen.addExtension(X509Extensions.KeyUsage, true, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment)); certGen.addExtension(X509Extensions.ExtendedKeyUsage, true, new ExtendedKeyUsage(KeyPurposeId.id_kp_serverAuth)); // Extract the extension request attribute ASN1Set attributes = request.getCertificationRequestInfo().getAttributes(); for (int i = 0; i < attributes.size(); i++) { Attribute attr = Attribute.getInstance(attributes.getObjectAt(i)); // Process extension request if (attr.getAttrType().equals(PKCSObjectIdentifiers.pkcs_9_at_extensionRequest)) { X509Extensions extensions = X509Extensions.getInstance(attr.getAttrValues().getObjectAt(0)); Enumeration e = extensions.oids(); while (e.hasMoreElements()) { DERObjectIdentifier oid = (DERObjectIdentifier) e.nextElement(); X509Extension ext = extensions.getExtension(oid); certGen.addExtension(oid, ext.isCritical(), ext.getValue().getOctets()); } } } X509Certificate issuedCert = certGen.generateX509Certificate(rootPair.getPrivate()); return new X509Certificate[] { issuedCert, rootCert }; }
From source file:chapter6.X509V3CreateExample.java
public static X509Certificate generateV3Certificate(KeyPair pair) throws Exception { X509V3CertificateGenerator certGen = new X509V3CertificateGenerator(); certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis())); certGen.setIssuerDN(new X500Principal("CN=Test Certificate")); certGen.setNotBefore(new Date(System.currentTimeMillis() - 50000)); certGen.setNotAfter(new Date(System.currentTimeMillis() + 50000)); certGen.setSubjectDN(new X500Principal("CN=Test Certificate")); certGen.setPublicKey(pair.getPublic()); certGen.setSignatureAlgorithm("SHA256WithRSAEncryption"); // Extension ::= SEQUENCE { // extnID OBJECT IDENTIFIER, // critical BOOLEAN DEFAULT FALSE // extnValue OCTET STRING } certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(false)); certGen.addExtension(X509Extensions.KeyUsage, true, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment)); certGen.addExtension(X509Extensions.ExtendedKeyUsage, true, new ExtendedKeyUsage(KeyPurposeId.id_kp_serverAuth)); certGen.addExtension(X509Extensions.SubjectAlternativeName, false, new GeneralNames(new GeneralName(GeneralName.rfc822Name, "test@test.test"))); return certGen.generateX509Certificate(pair.getPrivate(), CryptoDefs.Provider.BC.getName()); }
From source file:chapter7.Utils.java
/** * Generate a sample V3 certificate to use as an intermediate CA certificate. * @param intKey/*from ww w . ja v a2s . c o m*/ * @param caKey * @param caCert * @return * @throws Exception */ public static X509Certificate generateIntermediateCert(final PublicKey intKey, final PrivateKey caKey, final X509Certificate caCert) throws Exception { X509V3CertificateGenerator certGen = new X509V3CertificateGenerator(); certGen.setSerialNumber(BigInteger.ONE); certGen.setIssuerDN(caCert.getSubjectX500Principal()); certGen.setNotBefore(new Date(System.currentTimeMillis())); certGen.setNotAfter(new Date(System.currentTimeMillis() + VALIDITY_PERIOD)); certGen.setSubjectDN(new X500Principal("CN=Test Intermediate Certificate")); certGen.setPublicKey(intKey); certGen.setSignatureAlgorithm("SHA1WithRSAEncryption"); certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(caCert)); certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(intKey)); certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(0)); certGen.addExtension(X509Extensions.KeyUsage, true, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyCertSign | KeyUsage.cRLSign)); return certGen.generateX509Certificate(caKey, CryptoDefs.Provider.BC.getName()); }
From source file:chapter7.Utils.java
/** * Generate a sample V3 certificate to use as an end entity certificate. * @param entityKey//from ww w. j a va 2 s .com * @param caKey * @param caCert * @return * @throws Exception */ public static X509Certificate generateEndEntityCert(final PublicKey entityKey, final PrivateKey caKey, final X509Certificate caCert) throws Exception { X509V3CertificateGenerator certGen = new X509V3CertificateGenerator(); certGen.setSerialNumber(BigInteger.ONE); certGen.setIssuerDN(caCert.getSubjectX500Principal()); certGen.setNotBefore(new Date(System.currentTimeMillis())); certGen.setNotAfter(new Date(System.currentTimeMillis() + VALIDITY_PERIOD)); certGen.setSubjectDN(new X500Principal("CN=Test End Certificate")); certGen.setPublicKey(entityKey); certGen.setSignatureAlgorithm("SHA1WithRSAEncryption"); certGen.addExtension(X509Extensions.AuthorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(caCert)); certGen.addExtension(X509Extensions.SubjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(entityKey)); certGen.addExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(false)); certGen.addExtension(X509Extensions.KeyUsage, true, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment)); return certGen.generateX509Certificate(caKey, CryptoDefs.Provider.BC.getName()); }
From source file:com.amazonaws.encryptionsdk.jce.KeyStoreProviderTest.java
License:Open Source License
private void addEntry(final String alias) throws GeneralSecurityException { final KeyPair pair = KG.generateKeyPair(); // build a certificate generator final X509V3CertificateGenerator certGen = new X509V3CertificateGenerator(); final X500Principal dnName = new X500Principal("cn=" + alias); certGen.setSerialNumber(new BigInteger(256, RND)); certGen.setSubjectDN(new X509Name("dc=" + alias)); certGen.setIssuerDN(dnName); // use the same certGen.setNotBefore(new Date(System.currentTimeMillis() - 24 * 60 * 60 * 1000)); certGen.setNotAfter(new Date(System.currentTimeMillis() + 2 * 365 * 24 * 60 * 60 * 1000)); certGen.setPublicKey(pair.getPublic()); certGen.setSignatureAlgorithm("SHA256WithRSA"); final X509Certificate cert = certGen.generate(pair.getPrivate(), "BC"); ks.setEntry(alias, new KeyStore.PrivateKeyEntry(pair.getPrivate(), new X509Certificate[] { cert }), PP); }
From source file:com.amazonaws.encryptionsdk.jce.KeyStoreProviderTest.java
License:Open Source License
private void addPublicEntry(final String alias) throws GeneralSecurityException { final KeyPair pair = KG.generateKeyPair(); // build a certificate generator final X509V3CertificateGenerator certGen = new X509V3CertificateGenerator(); final X500Principal dnName = new X500Principal("cn=" + alias); certGen.setSerialNumber(new BigInteger(256, RND)); certGen.setSubjectDN(new X509Name("dc=" + alias)); certGen.setIssuerDN(dnName); // use the same certGen.setNotBefore(new Date(System.currentTimeMillis() - 24 * 60 * 60 * 1000)); certGen.setNotAfter(new Date(System.currentTimeMillis() + 2 * 365 * 24 * 60 * 60 * 1000)); certGen.setPublicKey(pair.getPublic()); certGen.setSignatureAlgorithm("SHA256WithRSA"); final X509Certificate cert = certGen.generate(pair.getPrivate(), "BC"); ks.setEntry(alias, new KeyStore.TrustedCertificateEntry(cert), null); }