use of org.openecard.bouncycastle.asn1.x509.SubjectPublicKeyInfo in project nifi-registry by apache.
the class CertificateUtils method generateSelfSignedX509Certificate.
/**
* Generates a self-signed {@link X509Certificate} suitable for use as a Certificate Authority.
*
* @param keyPair the {@link KeyPair} to generate the {@link X509Certificate} for
* @param dn the distinguished name to user for the {@link X509Certificate}
* @param signingAlgorithm the signing algorithm to use for the {@link X509Certificate}
* @param certificateDurationDays the duration in days for which the {@link X509Certificate} should be valid
* @return a self-signed {@link X509Certificate} suitable for use as a Certificate Authority
* @throws CertificateException if there is an generating the new certificate
*/
public static X509Certificate generateSelfSignedX509Certificate(KeyPair keyPair, String dn, String signingAlgorithm, int certificateDurationDays) throws CertificateException {
try {
ContentSigner sigGen = new JcaContentSignerBuilder(signingAlgorithm).setProvider(BouncyCastleProvider.PROVIDER_NAME).build(keyPair.getPrivate());
SubjectPublicKeyInfo subPubKeyInfo = SubjectPublicKeyInfo.getInstance(keyPair.getPublic().getEncoded());
Date startDate = new Date();
Date endDate = new Date(startDate.getTime() + TimeUnit.DAYS.toMillis(certificateDurationDays));
X509v3CertificateBuilder certBuilder = new X509v3CertificateBuilder(reverseX500Name(new X500Name(dn)), getUniqueSerialNumber(), startDate, endDate, reverseX500Name(new X500Name(dn)), subPubKeyInfo);
// Set certificate extensions
// (1) digitalSignature extension
certBuilder.addExtension(Extension.keyUsage, true, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment | KeyUsage.dataEncipherment | KeyUsage.keyAgreement | KeyUsage.nonRepudiation | KeyUsage.cRLSign | KeyUsage.keyCertSign));
certBuilder.addExtension(Extension.basicConstraints, false, new BasicConstraints(true));
certBuilder.addExtension(Extension.subjectKeyIdentifier, false, new JcaX509ExtensionUtils().createSubjectKeyIdentifier(keyPair.getPublic()));
certBuilder.addExtension(Extension.authorityKeyIdentifier, false, new JcaX509ExtensionUtils().createAuthorityKeyIdentifier(keyPair.getPublic()));
// (2) extendedKeyUsage extension
certBuilder.addExtension(Extension.extendedKeyUsage, false, new ExtendedKeyUsage(new KeyPurposeId[] { KeyPurposeId.id_kp_clientAuth, KeyPurposeId.id_kp_serverAuth }));
// Sign the certificate
X509CertificateHolder certificateHolder = certBuilder.build(sigGen);
return new JcaX509CertificateConverter().setProvider(BouncyCastleProvider.PROVIDER_NAME).getCertificate(certificateHolder);
} catch (CertIOException | NoSuchAlgorithmException | OperatorCreationException e) {
throw new CertificateException(e);
}
}
use of org.openecard.bouncycastle.asn1.x509.SubjectPublicKeyInfo in project nifi-registry by apache.
the class CertificateUtils method generateIssuedCertificate.
/**
* Generates an issued {@link X509Certificate} from the given issuer certificate and {@link KeyPair}
*
* @param dn the distinguished name to use
* @param publicKey the public key to issue the certificate to
* @param extensions extensions extracted from the CSR
* @param issuer the issuer's certificate
* @param issuerKeyPair the issuer's keypair
* @param signingAlgorithm the signing algorithm to use
* @param days the number of days it should be valid for
* @return an issued {@link X509Certificate} from the given issuer certificate and {@link KeyPair}
* @throws CertificateException if there is an error issuing the certificate
*/
public static X509Certificate generateIssuedCertificate(String dn, PublicKey publicKey, Extensions extensions, X509Certificate issuer, KeyPair issuerKeyPair, String signingAlgorithm, int days) throws CertificateException {
try {
ContentSigner sigGen = new JcaContentSignerBuilder(signingAlgorithm).setProvider(BouncyCastleProvider.PROVIDER_NAME).build(issuerKeyPair.getPrivate());
SubjectPublicKeyInfo subPubKeyInfo = SubjectPublicKeyInfo.getInstance(publicKey.getEncoded());
Date startDate = new Date();
Date endDate = new Date(startDate.getTime() + TimeUnit.DAYS.toMillis(days));
X509v3CertificateBuilder certBuilder = new X509v3CertificateBuilder(reverseX500Name(new X500Name(issuer.getSubjectX500Principal().getName())), getUniqueSerialNumber(), startDate, endDate, reverseX500Name(new X500Name(dn)), subPubKeyInfo);
certBuilder.addExtension(Extension.subjectKeyIdentifier, false, new JcaX509ExtensionUtils().createSubjectKeyIdentifier(publicKey));
certBuilder.addExtension(Extension.authorityKeyIdentifier, false, new JcaX509ExtensionUtils().createAuthorityKeyIdentifier(issuerKeyPair.getPublic()));
// Set certificate extensions
// (1) digitalSignature extension
certBuilder.addExtension(Extension.keyUsage, true, new KeyUsage(KeyUsage.digitalSignature | KeyUsage.keyEncipherment | KeyUsage.dataEncipherment | KeyUsage.keyAgreement | KeyUsage.nonRepudiation));
certBuilder.addExtension(Extension.basicConstraints, false, new BasicConstraints(false));
// (2) extendedKeyUsage extension
certBuilder.addExtension(Extension.extendedKeyUsage, false, new ExtendedKeyUsage(new KeyPurposeId[] { KeyPurposeId.id_kp_clientAuth, KeyPurposeId.id_kp_serverAuth }));
// (3) subjectAlternativeName
if (extensions != null && extensions.getExtension(Extension.subjectAlternativeName) != null) {
certBuilder.addExtension(Extension.subjectAlternativeName, false, extensions.getExtensionParsedValue(Extension.subjectAlternativeName));
}
X509CertificateHolder certificateHolder = certBuilder.build(sigGen);
return new JcaX509CertificateConverter().setProvider(BouncyCastleProvider.PROVIDER_NAME).getCertificate(certificateHolder);
} catch (CertIOException | NoSuchAlgorithmException | OperatorCreationException e) {
throw new CertificateException(e);
}
}
use of org.openecard.bouncycastle.asn1.x509.SubjectPublicKeyInfo in project credhub by cloudfoundry-incubator.
the class PrivateKeyReader method getPublicKey.
public static PublicKey getPublicKey(String privateKeyPem) throws IOException, UnsupportedFormatException {
PEMParser pemParser = new PEMParser(new StringReader(privateKeyPem));
Object parsed = pemParser.readObject();
pemParser.close();
if (!(parsed instanceof PEMKeyPair)) {
throw new UnsupportedFormatException("format of private key is not supported.");
}
PEMKeyPair pemKeyPair = (PEMKeyPair) parsed;
SubjectPublicKeyInfo publicKeyInfo = pemKeyPair.getPublicKeyInfo();
return new JcaPEMKeyConverter().getPublicKey(publicKeyInfo);
}
use of org.openecard.bouncycastle.asn1.x509.SubjectPublicKeyInfo in project credhub by cloudfoundry-incubator.
the class CertificateGeneratorTest method makeCert.
private X509CertificateHolder makeCert(KeyPair certKeyPair, PrivateKey caPrivateKey, X500Name caDn, X500Name subjectDn, boolean isCa) throws OperatorCreationException, NoSuchAlgorithmException, CertIOException {
SubjectPublicKeyInfo publicKeyInfo = SubjectPublicKeyInfo.getInstance(certKeyPair.getPublic().getEncoded());
ContentSigner contentSigner = new JcaContentSignerBuilder("SHA256withRSA").setProvider(BouncyCastleProvider.PROVIDER_NAME).build(caPrivateKey);
CurrentTimeProvider currentTimeProvider = new CurrentTimeProvider();
Instant now = currentTimeProvider.getNow().toInstant();
X509v3CertificateBuilder x509v3CertificateBuilder = new X509v3CertificateBuilder(caDn, BigInteger.TEN, Date.from(now), Date.from(now.plus(Duration.ofDays(365))), subjectDn, publicKeyInfo);
x509v3CertificateBuilder.addExtension(Extension.basicConstraints, true, new BasicConstraints(isCa));
return x509v3CertificateBuilder.build(contentSigner);
}
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