lolL: I know someone who encrypts in md5 on the go.
WMWW: And who is it?
LOLL is Doctor. No one can decipher his recipes.
WMWW: And I know someone who decrypts md5 on the go.
LOLL: Who is it?
WMWW is a pharmacist. Only he is able to decrypt the MD5-hash of the doctor.