You might want to look into what PGP does: Passphrase FAQ's http://www.pgpi.org/doc/faq/passphrase/
OpenPGP spec (see S2K stuff): http://www.ietf.org/rfc/rfc2440.txt -Frank
You might want to look into what PGP does: Passphrase FAQ's http://www.pgpi.org/doc/faq/passphrase/
OpenPGP spec (see S2K stuff): http://www.ietf.org/rfc/rfc2440.txt -Frank