Editing OpenSSL::Cipher library

Im using OpenSSL::Cipher.new() method for encrypting data.
OpenSSL::Cipher.new() providing list algorithms like AES,DES,RC5…I want
to add some algorithms to OpenSSl::Cipher class. how to edit
OpenSSL::Cipher library installed in local machine?..I will able to add
some more algorithms to already existing algorithms?..
thanks