[44980] in Cypherpunks
Re: Still more on the Digicash protocol
daemon@ATHENA.MIT.EDU (Rev. Mark Grant)
Fri Dec 8 08:50:57 1995
Date: Fri, 8 Dec 1995 13:46:44 +0000 (GMT)
From: "Rev. Mark Grant" <mark@unicorn.com>
To: David A Wagner <daw@guaymas.CS.Berkeley.EDU>
Cc: cypherpunks@toad.com
On Thu, 7 Dec 1995, David A Wagner wrote:
>Tough!? It's trivial for an active attacker, in the stream cipher case.
>He just xors some bits: no clever cryptanalysis needed. (Or did you mean
>it's tough to mount an active attack? I agree: that requires significant
>knowledge or motivation.)
Exactly.. once you have an active attack set up, it's trivial, but setting
that up is quite hard.
Mark
