Examples with SubjectPublicKeyInfo org.gudy.bouncycastle.asn1.x509.SubjectPublicKeyInfo used on opensource projects

Example 96 with SubjectPublicKeyInfo

use of org.gudy.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);
    }
}

Example 97 with SubjectPublicKeyInfo

use of org.gudy.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);
    }
}

Example 98 with SubjectPublicKeyInfo

use of org.gudy.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);
}

Example 99 with SubjectPublicKeyInfo

use of org.gudy.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);
}