Examples with X509Certificate java.security.cert.X509Certificate used on opensource projects

Example 81 with X509Certificate

use of java.security.cert.X509Certificate in project neo4j by neo4j.

the class Certificates method createSelfSignedCertificate.

public void createSelfSignedCertificate(File certificatePath, File privateKeyPath, String hostName) throws GeneralSecurityException, IOException, OperatorCreationException {
    installCleanupHook(certificatePath, privateKeyPath);
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance(DEFAULT_ENCRYPTION);
    keyGen.initialize(2048, random);
    KeyPair keypair = keyGen.generateKeyPair();
    // Prepare the information required for generating an X.509 certificate.
    X500Name owner = new X500Name("CN=" + hostName);
    X509v3CertificateBuilder builder = new JcaX509v3CertificateBuilder(owner, new BigInteger(64, random), NOT_BEFORE, NOT_AFTER, owner, keypair.getPublic());
    PrivateKey privateKey = keypair.getPrivate();
    ContentSigner signer = new JcaContentSignerBuilder("SHA512WithRSAEncryption").build(privateKey);
    X509CertificateHolder certHolder = builder.build(signer);
    X509Certificate cert = new JcaX509CertificateConverter().setProvider(PROVIDER).getCertificate(certHolder);
    //check so that cert is valid
    cert.verify(keypair.getPublic());
    //write to disk
    writePem("CERTIFICATE", cert.getEncoded(), certificatePath);
    writePem("PRIVATE KEY", privateKey.getEncoded(), privateKeyPath);
    // Mark as done so we don't clean up certificates
    cleanupRequired = false;
}

Example 82 with X509Certificate

use of java.security.cert.X509Certificate in project custom-cert-https by nelenkov.

the class MainActivity method readCertificate.

private static X509Certificate readCertificate(File file) {
    if (!file.isFile()) {
        return null;
    }
    InputStream is = null;
    try {
        CertificateFactory cf = CertificateFactory.getInstance("X509");
        is = new BufferedInputStream(new FileInputStream(file));
        return (X509Certificate) cf.generateCertificate(is);
    } catch (IOException e) {
        return null;
    } catch (CertificateException e) {
        throw new RuntimeException(e);
    } finally {
        try {
            is.close();
        } catch (IOException e) {
        }
    }
}

Example 83 with X509Certificate

use of java.security.cert.X509Certificate in project custom-cert-https by nelenkov.

the class MainActivity method dumpTrustedCerts.

private void dumpTrustedCerts() {
    try {
        TrustManagerFactory tmf = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
        tmf.init((KeyStore) null);
        X509TrustManager xtm = (X509TrustManager) tmf.getTrustManagers()[0];
        StringBuffer buff = new StringBuffer();
        for (X509Certificate cert : xtm.getAcceptedIssuers()) {
            String certStr = "S:" + cert.getSubjectDN().getName() + "\nI:" + cert.getIssuerDN().getName();
            Log.d(TAG, certStr);
            buff.append(certStr + "\n\n");
        }
        resultText.setText(buff.toString());
    } catch (GeneralSecurityException e) {
        throw new RuntimeException(e);
    }
}

Example 84 with X509Certificate

use of java.security.cert.X509Certificate in project neo4j by neo4j.

the class InProcessBuilderTest method trustAllSSLCerts.

private void trustAllSSLCerts() throws NoSuchAlgorithmException, KeyManagementException {
    TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {

        @Override
        public void checkClientTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
        }

        @Override
        public void checkServerTrusted(X509Certificate[] arg0, String arg1) throws CertificateException {
        }

        @Override
        public X509Certificate[] getAcceptedIssuers() {
            return null;
        }
    } };
    // Install the all-trusting trust manager
    SSLContext sc = SSLContext.getInstance("TLS");
    sc.init(null, trustAllCerts, new SecureRandom());
    HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
}

Example 85 with X509Certificate

use of java.security.cert.X509Certificate in project netty by netty.

the class SslContext method buildTrustManagerFactory.

static TrustManagerFactory buildTrustManagerFactory(X509Certificate[] certCollection, TrustManagerFactory trustManagerFactory) throws NoSuchAlgorithmException, CertificateException, KeyStoreException, IOException {
    KeyStore ks = KeyStore.getInstance("JKS");
    ks.load(null, null);
    int i = 1;
    for (X509Certificate cert : certCollection) {
        String alias = Integer.toString(i);
        ks.setCertificateEntry(alias, cert);
        i++;
    }
    // Set up trust manager factory to use our key store.
    if (trustManagerFactory == null) {
        trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
    }
    trustManagerFactory.init(ks);
    return trustManagerFactory;
}