Text file encryption??

[Justin]

how do you encrypt a textfile, so that when asp needs it, it just decrypts the varable with it the line of the file read, (it reads line by line)?

This scripts only opens a file, serches for a match, then deletes the file and rewrites it without the match, (a remover file).

It is supposed to contain one time use passwords, when they have been used, they get deleted. What i need to figure out is how to encrypt the file, so if someone were to download it, the passwords would be useless (incorrect because of encyrption)

Thanks
justin