Cipher(CipherSpi cipherSpi,String transformation){
  this.spi=cipherSpi;
  this.transformation=transformation;
  this.cryptoPerm=CryptoAllPermission.INSTANCE;
  this.lock=null;
}

Cipher ( CipherSpi cipherSpi , String transformation ) { this . spi = cipherSpi ; this . transformation = transformation ; this . cryptoPerm = CryptoAllPermission . INSTANCE ; this . lock = null ; }
creates a cipher object . called internally and by nullcipher .
