Yes, I did ... but I think you did not read my answer, did you?

Running on windows, no crons nor telnet ... no ppm nor compilers

If it was a simple module I would just upload the file and use it, but as I can see RSA/DSA related module uses too many files

Any Help?

If it was a simple module I would just upload the file and use it, but as I can see RSA/DSA related module uses too many files

And what makes you think that there is a more simple solution than already implemented in these (large) modules?

RSA explains the algorithm for key generation, encryption and decryption.

CountZero

A program should be light and agile, its subroutines connected like a string of pearls. The spirit and intent of the program should be retained throughout. There should be neither too little or too much, neither needless loops nor useless variables, neither lack of structure nor overwhelming rigidity." - The Tao of Programming, 4.1 - Geoffrey James

Then build the modules locally and copy them over. Which surprisingly isn't discussed in Yes, even you can use CPAN, sorry. But you are in luck, as Windows machines are largely identical and the Perl on your Windows host is likely the ActiveState Perl, which means that extensions built with http://strawberryperl.com will Just Work.