Constructor Detail

• RSAKeyPairGenerator

  public RSAKeyPairGenerator()

Method Detail

• init

  public void init​(KeyGenerationParameters param)

  Description copied from interface: AsymmetricCipherKeyPairGenerator
  intialise the key pair generator.

  Specified by:

  init in interface AsymmetricCipherKeyPairGenerator

  Parameters:

  param - the parameters the key pair is to be initialised with.

• generateKeyPair

  public AsymmetricCipherKeyPair generateKeyPair()

  Description copied from interface: AsymmetricCipherKeyPairGenerator
  return an AsymmetricCipherKeyPair containing the generated keys.

  Specified by:

  generateKeyPair in interface AsymmetricCipherKeyPairGenerator

  Returns:

  an AsymmetricCipherKeyPair containing the generated keys.

• chooseRandomPrime

  protected java.math.BigInteger chooseRandomPrime​(int bitlength,
                                                   java.math.BigInteger e,
                                                   java.math.BigInteger sqrdBound)

  Choose a random prime value for use with RSA

  Parameters:

  bitlength - the bit-length of the returned prime

  e - the RSA public exponent

  Returns:

  A prime p, with (p-1) relatively prime to e

• isProbablePrime

  protected boolean isProbablePrime​(java.math.BigInteger x)