Example usage for org.bouncycastle.cert.jcajce JcaX509ExtensionUtils JcaX509ExtensionUtils

Introduction

In this page you can find the example usage for org.bouncycastle.cert.jcajce JcaX509ExtensionUtils JcaX509ExtensionUtils.

Prototype

public JcaX509ExtensionUtils(DigestCalculator calculator) 

Source Link

Usage

From source file:net.solarnetwork.pki.bc.BCCertificateService.java

License:Open Source License

@Override
public X509Certificate generateCertificationAuthorityCertificate(String dn, PublicKey publicKey,
        PrivateKey privateKey) {/*w w  w .  ja va  2  s .c o  m*/
    X500Principal issuer = new X500Principal(dn);
    Date now = new Date();
    Date expire = new Date(now.getTime() + (1000L * 60L * 60L * 24L * authorityExpireDays));
    JcaX509v3CertificateBuilder builder = new JcaX509v3CertificateBuilder(issuer, new BigInteger("0"), now,
            expire, issuer, publicKey);
    JcaContentSignerBuilder signerBuilder = new JcaContentSignerBuilder(signatureAlgorithm);
    DefaultDigestAlgorithmIdentifierFinder digestAlgFinder = new DefaultDigestAlgorithmIdentifierFinder();
    ContentSigner signer;
    try {
        DigestCalculatorProvider digestCalcProvider = new JcaDigestCalculatorProviderBuilder()
                .setProvider(new BouncyCastleProvider()).build();
        JcaX509ExtensionUtils extUtils = new JcaX509ExtensionUtils(
                digestCalcProvider.get(digestAlgFinder.find("SHA-256")));
        builder.addExtension(X509Extension.basicConstraints, true, new BasicConstraints(true));
        builder.addExtension(X509Extension.subjectKeyIdentifier, false,
                extUtils.createSubjectKeyIdentifier(publicKey));
        builder.addExtension(X509Extension.keyUsage, true, new KeyUsage(
                KeyUsage.digitalSignature | KeyUsage.nonRepudiation | KeyUsage.keyCertSign | KeyUsage.cRLSign));
        builder.addExtension(X509Extension.authorityKeyIdentifier, false,
                extUtils.createAuthorityKeyIdentifier(publicKey));

        signer = signerBuilder.build(privateKey);
    } catch (OperatorCreationException e) {
        log.error("Error generating CA certificate [{}]", dn, e);
        throw new CertificateException("Error signing CA certificate", e);
    } catch (CertIOException e) {
        log.error("Error generating CA certificate [{}]", dn, e);
        throw new CertificateException("Error signing CA certificate", e);
    }
    X509CertificateHolder holder = builder.build(signer);
    JcaX509CertificateConverter converter = new JcaX509CertificateConverter();
    try {
        return converter.getCertificate(holder);
    } catch (java.security.cert.CertificateException e) {
        throw new CertificateException("Error creating certificate", e);
    }
}

---

From source file:net.solarnetwork.pki.bc.BCCertificateService.java

License:Open Source License

@Override
public X509Certificate signCertificate(String csrPEM, X509Certificate caCert, PrivateKey privateKey)
        throws CertificateException {
    if (!csrPEM.matches("(?is)^\\s*-----BEGIN.*")) {
        // let's throw in the guards
        csrPEM = "-----BEGIN CERTIFICATE REQUEST-----\n" + csrPEM + "\n-----END CERTIFICATE REQUEST-----\n";
    }//  www . ja v a  2  s  .  co  m
    PemReader reader = null;
    try {
        reader = new PemReader(new StringReader(csrPEM));
        PemObject pemObj = reader.readPemObject();
        log.debug("Parsed PEM type {}", pemObj.getType());
        PKCS10CertificationRequest csr = new PKCS10CertificationRequest(pemObj.getContent());

        Date now = new Date();
        Date expire = new Date(now.getTime() + (1000L * 60L * 60L * 24L * certificateExpireDays));
        X509v3CertificateBuilder builder = new X509v3CertificateBuilder(JcaX500NameUtil.getIssuer(caCert),
                new BigInteger(String.valueOf(counter.incrementAndGet())), now, expire, csr.getSubject(),
                csr.getSubjectPublicKeyInfo());

        JcaContentSignerBuilder signerBuilder = new JcaContentSignerBuilder(signatureAlgorithm);
        ContentSigner signer;
        DefaultDigestAlgorithmIdentifierFinder digestAlgFinder = new DefaultDigestAlgorithmIdentifierFinder();
        try {
            DigestCalculatorProvider digestCalcProvider = new JcaDigestCalculatorProviderBuilder()
                    .setProvider(new BouncyCastleProvider()).build();
            JcaX509ExtensionUtils extUtils = new JcaX509ExtensionUtils(
                    digestCalcProvider.get(digestAlgFinder.find("SHA-256")));
            builder.addExtension(X509Extension.basicConstraints, false, new BasicConstraints(false));
            builder.addExtension(X509Extension.subjectKeyIdentifier, false,
                    extUtils.createSubjectKeyIdentifier(csr.getSubjectPublicKeyInfo()));
            builder.addExtension(X509Extension.authorityKeyIdentifier, false,
                    extUtils.createAuthorityKeyIdentifier(caCert));

            signer = signerBuilder.build(privateKey);
        } catch (OperatorException e) {
            log.error("Error signing CSR {}", csr.getSubject(), e);
            throw new CertificateException("Error signing CSR" + csr.getSubject() + ": " + e.getMessage());
        } catch (CertificateEncodingException e) {
            log.error("Error signing CSR {}", csr.getSubject().toString(), e);
            throw new CertificateException("Error signing CSR" + csr.getSubject() + ": " + e.getMessage());
        }

        X509CertificateHolder holder = builder.build(signer);
        JcaX509CertificateConverter converter = new JcaX509CertificateConverter();
        try {
            return converter.getCertificate(holder);
        } catch (java.security.cert.CertificateException e) {
            throw new CertificateException("Error creating certificate", e);
        }
    } catch (IOException e) {
        throw new CertificateException("Error signing CSR", e);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e2) {
                log.warn("IOException closing PemReader", e2);
            }
        }
    }
}

---