ASPEasyCryptThis is an ASP component for use with the IIS Server from Microsoft, the main future is that can hash, cipher and make checksum on strings and on files. It supports 22 types of hash, 5 checksums and 37 different ciphers.
With this component you can make strong security pages, sign page or messages, make the programs to exchange keys, making public and private keys, you have all the standards to cipher and hash it.