Re: deriving multiple keys from one passphrase

2007-02-05 Thread Leichter, Jerry
| Hey, quick question. | | If one wants to have multiple keys, but for ease-of-use considerations | want to only have the user enter one, is there a preferred way to | derive multiple keys that, while not independent, are "computationally | independent"? | | I was thinking of hashing the passphra

Re: deriving multiple keys from one passphrase

2006-10-13 Thread Thomas
Am Freitag 13 Oktober 2006 12:26 schrieb Thomas: > Am Freitag 13 Oktober 2006 12:05 schrieb Travis H.: > > On 10/13/06, Thomas <[EMAIL PROTECTED]> wrote: > > > Maybe RFC289. > > > > I assume you mean 2289, which appears to describe the OTP scheme used by > > S/key. > > sorry, it was too early fo

Re: deriving multiple keys from one passphrase

2006-10-13 Thread Thomas
Am Freitag 13 Oktober 2006 12:05 schrieb Travis H.: > On 10/13/06, Thomas <[EMAIL PROTECTED]> wrote: > > Maybe RFC289. > > I assume you mean 2289, which appears to describe the OTP scheme used by > S/key. sorry, it was too early for an copy-n-paste ;) i meant: B. Kaliski;

Re: deriving multiple keys from one passphrase

2006-10-13 Thread Thomas
Am Dienstag 10 Oktober 2006 01:35 schrieb Travis H.: > What is the accepted way to derive several keys from a user-supplied input? Maybe RFC289. AFAIK it also describes the reason why it protects against dictionary attacks. Bye, Thomas -- Tom <[EMAIL PROTECTED]> fingerprint = F055 43E5 1F3C 4F