1. A device for processing enciphered information comprising: addressing means for generating a digital address; means for accepting a portion of enciphered information from storage means at a location selected by said address; deciphering means for converting said portion of enciphered information into deciphered information by combining said portion of enciphered information with said address, so as to form a substitute portion of deciphered information; and processing means for executing a plurality of computer instructions as a function of said deciphered information.