Le ven 22/11/2002 à 05:41, Brian May a écrit :

> > A secure way to handle this would be a challenge/response
> > authentification, or a system similar to SSH's one-time passwords.
> 
> No, I think it is an inherent problem with using E-Mail for such things.
> 
> As long as E-Mail is used, the possibility exists that the E-Mail will
> get delayed.
> 
> If the E-Mail gets delayed it is not possible to cancel it, it has
> already been sent.

That's why I suggest using either a challenge/response authentification
(if the mail is lost, you have to ask for a new challenge and the
previous mail won't be accepted if it is delayed), or one-time passwords
(every time you use a OTP, all previous passwords are revoked).

-- 
 .''`.           Josselin Mouette        /\./\
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