OpenSSL::BN::new(self) will work just fine with an Integer (in 1.9)
move OpenSSL::Cipher sub-class generation into native (same stuff 4 all rubies)
return an Algorithm objet instead of a String[]
print the actual byte[] on toString
improve ossl 2 jce algorithm conversion + more supported ciphers/modes/paddings
consult installed security provider services before trying to instantiate a cipher
simply ossl 2 java cipher mapping magic - try to avoid unnecessary supported checks
implement some (simple) pieces of the missing SSLContext API 

... mostly noops since we have no SSL::Session supports