Do you know any public implementation of DES encryption algorithm in ANSI C or C51 assembler ? And other one efficient ? Thanks Javier
Yes. I have one on my web site. (http://www.phaedsys.org "ciphers" button) It is in C51 assembler. It is one I have used and to the best of my knowledge public domain. You will have to satisfy yourself that it works with your own test suite.