Example usage for java.security.spec RSAKeyGenParameterSpec RSAKeyGenParameterSpec

Introduction

In this page you can find the example usage for java.security.spec RSAKeyGenParameterSpec RSAKeyGenParameterSpec.

Prototype

public RSAKeyGenParameterSpec(int keysize, BigInteger publicExponent)

Source Link

Document

Constructs a new RSAKeyGenParameterSpec object from the given keysize, public-exponent value, and null key parameters.

Usage

From source file:org.texai.x509.X509Utils.java

/** Creates a random 3072 bit RSA key pair.
 * @return a random 3072 bit RSA key pair
 * @throws NoSuchAlgorithmException when an invalid algorithm is given
 * @throws NoSuchProviderException  when an invalid provider is given
 * @throws InvalidAlgorithmParameterException when an invalid algorithm parameter is given
 *//*from  w  w  w . j ava2  s .  c om*/
public static KeyPair generateRSAKeyPair3072()
        throws NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException {
    final KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA", BOUNCY_CASTLE_PROVIDER);
    final AlgorithmParameterSpec algorithmParameterSpec = new RSAKeyGenParameterSpec(3072,
            RSAKeyGenParameterSpec.F4);
    keyPairGenerator.initialize(algorithmParameterSpec, getSecureRandom());
    return keyPairGenerator.generateKeyPair();
}

From source file:test.integ.be.agiv.security.IPSTSTest.java

private KeyPair generateKeyPair() throws Exception {
    KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
    SecureRandom random = new SecureRandom();
    keyPairGenerator.initialize(new RSAKeyGenParameterSpec(1024, RSAKeyGenParameterSpec.F4), random);
    KeyPair keyPair = keyPairGenerator.generateKeyPair();
    return keyPair;
}

From source file:org.texai.x509.X509Utils.java

/** Creates a random 2048 bit RSA key pair.
 * @return a random 2048 bit RSA key pair
 * @throws NoSuchAlgorithmException when an invalid algorithm is given
 * @throws NoSuchProviderException  when an invalid provider is given
 * @throws InvalidAlgorithmParameterException when an invalid algorithm parameter is given
 *//*from www . j a v a2  s .c o m*/
public static KeyPair generateRSAKeyPair2048()
        throws NoSuchAlgorithmException, NoSuchProviderException, InvalidAlgorithmParameterException {
    final KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA", BOUNCY_CASTLE_PROVIDER);
    final AlgorithmParameterSpec algorithmParameterSpec = new RSAKeyGenParameterSpec(2048,
            RSAKeyGenParameterSpec.F4);
    keyPairGenerator.initialize(algorithmParameterSpec, getSecureRandom());
    return keyPairGenerator.generateKeyPair();
}