Examples with KeyPairGenerator java.security.KeyPairGenerator used on opensource projects

Example 96 with KeyPairGenerator

use of java.security.KeyPairGenerator in project cdap by caskdata.

the class KeyStores method generatedCertKeyStore.

/**
   * Create a Java key store with a stored self-signed certificate.
   * @return Java keystore which has a self signed X.509 certificate
   */
public static KeyStore generatedCertKeyStore(SConfiguration sConf, String password) {
    try {
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance(KEY_PAIR_ALGORITHM);
        SecureRandom random = SecureRandom.getInstance(SECURE_RANDOM_ALGORITHM, SECURE_RANDOM_PROVIDER);
        keyGen.initialize(KEY_SIZE, random);
        // generate a key pair
        KeyPair pair = keyGen.generateKeyPair();
        int validity = sConf.getInt(Constants.Security.SSL.CERT_VALIDITY, VALIDITY);
        X509Certificate cert = getCertificate(DISTINGUISHED_NAME, pair, validity, SIGNATURE_ALGORITHM);
        KeyStore keyStore = KeyStore.getInstance(SSL_KEYSTORE_TYPE);
        keyStore.load(null, password.toCharArray());
        keyStore.setKeyEntry(CERT_ALIAS, pair.getPrivate(), password.toCharArray(), new java.security.cert.Certificate[] { cert });
        return keyStore;
    } catch (Exception e) {
        throw new RuntimeException("SSL is enabled but a key store file could not be created. A keystore is required " + "for SSL to be used.", e);
    }
}

Example 97 with KeyPairGenerator

use of java.security.KeyPairGenerator in project JustAndroid by chinaltz.

the class AbRsa method generateRSAKeyPair.

/**
	 * 随机生成RSA密钥对
	 * @param keyLength 密钥长度，范围：512～2048 一般1024
	 * @return
	 */
public static KeyPair generateRSAKeyPair(int keyLength) {
    try {
        KeyPairGenerator kpg = KeyPairGenerator.getInstance(ALGORITHM);
        kpg.initialize(keyLength);
        return kpg.genKeyPair();
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
        return null;
    }
}

Example 98 with KeyPairGenerator

use of java.security.KeyPairGenerator in project ddf by codice.

the class PkiTools method generateRsaKeyPair.

/**
     * Generate new RSA public/private key pair with 2048 bit key
     *
     * @return new generated key pair
     * @throws CertificateGeneratorException
     */
public static KeyPair generateRsaKeyPair() {
    try {
        KeyPairGenerator keyGen = KeyPairGenerator.getInstance(ALGORITHM, BouncyCastleProvider.PROVIDER_NAME);
        keyGen.initialize(RSA_KEY_LENGTH);
        return keyGen.generateKeyPair();
    } catch (Exception e) {
        throw new CertificateGeneratorException("Failed to generate new public/private key pair.", e);
    }
}

Example 99 with KeyPairGenerator

use of java.security.KeyPairGenerator in project hbase by apache.

the class KeyStoreTestUtil method generateKeyPair.

public static KeyPair generateKeyPair(String algorithm) throws NoSuchAlgorithmException {
    KeyPairGenerator keyGen = KeyPairGenerator.getInstance(algorithm);
    keyGen.initialize(1024);
    return keyGen.genKeyPair();
}

Example 100 with KeyPairGenerator

use of java.security.KeyPairGenerator in project camel by apache.

the class XmlSignatureTest method getKeyPair.

public static KeyPair getKeyPair(String algorithm, int keylength) {
    KeyPairGenerator keyGen;
    try {
        keyGen = KeyPairGenerator.getInstance(algorithm);
    } catch (NoSuchAlgorithmException e) {
        throw new RuntimeException(e);
    }
    keyGen.initialize(keylength, new SecureRandom());
    return keyGen.generateKeyPair();
}