Re:Re: At what layer to hash a password
| Newsgroups | gmane.comp.security.web-applications |
|---|---|
| Message-ID | <[email protected]> |
快捷回复给:Grega Bremec, webappsec >On Sat, 2010-06-26 at 07:13 -0400, Tom Ritter wrote: >> You covered several of the arguments: the password moving down the >> stacks and being intercepted there, the maintainability. >> >> But there's two more things I'd raise. First off, you really shouldn't >> be hashing your passwords. It's better to use something I don't know >> the correct term for (I've heard adaptive hashing and iterative hashing. >> I usually just call them by name). > >I agree on not hashing. > >Short of mentioning encryption in the transport layer (which is a must >in any such scenario), by far the most secure method involving passwords >known to me would be a challenge/response mechanism which completely >eliminates the need to transfer any kind of sensitive information over >the wire. > >If the client produces the right token, the response to the challenge >will be identical to the one that the server calculated based on the PSK >at hand and the authentication can be thought of successful. > >Regards, >-- > Grega Bremec > gregab at p0f dot net > This list is sponsored by Cenzic -------------------------------------- Let Us Hack You. Before Hackers Do! It's Finally Here - The Cenzic Website HealthCheck. FREE. Request Yours Now! http://www.cenzic.com/2009HClaunch_Securityfocus --------------------------------------