This abstract class defines the service-provider interface for KeyGenerator . A cryptographic provider must implement a concrete subclass of this class for each key-generation algorithm it supports. Applications never need to use or subclass this class. public abstract class KeyGeneratorSpi { // Public Constructors public KeyGeneratorSpi ( ); // Protected Instance Methods protected abstract SecretKey engineGenerateKey ( ); protected abstract void engineInit (java.security.SecureRandom random ); protected abstract void engineInit (int keysize , java.security.SecureRandom random ); protected abstract void engineInit (java.security.spec.AlgorithmParameterSpec params , java.security.SecureRandom random ) throws java.security.InvalidAlgorithmParameterException; } Passed ToKeyGenerator.KeyGenerator( ) |