[[!comment format=mdwn username="http://kaizer.se/" nickname="ulrik.sverdrup" subject="comment 6" date="2013-03-06T05:30:16Z" content=""" I'm not very clear, sorry. S2K is not iterative in the way for example PBKDF2 is. It will hash a very long repetition of salt + passphrase + salt + passphrase etc in one go. The repetition of this happens if more key bits than the hash digest size are needed. """]]