Password security - Another idea

[John F. Haugh II]

In article <900 at eta.unix.ETA.COM> bstrand at woods.unix.eta.com (Brad Strand) writes:
|The idea would be for the system to replace the "password:" prompt
|with a prompt more like, "How about C?", where C is some reasonably
|small (maybe 16-bit) random "Challenge" number generated by the system.
|The user must then apply his/her pass-function to this particular C,
|and enter the resulting F(C).  Example:
|
|   login: <bstrand>
|   How about 1204? <4819>
|   Welcome, Brad!   ... etc.

A similiar sort of program was posted to the net some time last year
by Phil Karn [ KA9Q ].

It was V10i031 in comp.sources.unix and should be available from your
nearest comp.sources.unix archive.
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