SRP Patch Integration?

Damien Miller djm at mindrot.org
Wed Feb 13 13:13:00 EST 2002


On Tue, 12 Feb 2002, Tom Wu wrote:

> Markus Friedl wrote:
> > 
> > On Mon, Feb 11, 2002 at 07:26:16PM -0800, Tom Wu wrote:
> > > Simply stated, SRP is a strong password authentication protocol that
> > > resists passive/active network attack, and when used in conjunction with
> > > OpenSSH, solves the "unknown host key" problem without requiring host
> > > key fingerprint verification or PKI deployment (e.g. X.509 certs).  Put
> > 
> > AFAIK the same applies to SSH2 w/ pubkey auth.
> 
> Yes, but doesn't the client need a copy of the encrypted private key
> somewhere?  When you log in from a new location, you need to initialize
> the credentials there out-of-band.  With SRP or any other strong
> password technology, this isn't necessary - the password itself is the
> authenticator.

You need to initialise a password out of band too.

-d





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