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Date:      Sat, 4 Aug 2001 16:31:30 -0700
From:      Bill Fenner <fenner@research.att.com>
To:        mark@grondar.za
Cc:        ache@nagual.pp.ru, cvs-committers@freebsd.org, cvs-all@freebsd.org
Subject:   Re: cvs commit: src/lib/libopie Makefile
Message-ID:  <200108042331.QAA06414@windsor.research.att.com>
References:   <200108031805.LAA19695@windsor.research.att.com> <200108041544.f74FiJr14075@grimreaper.grondar.za>

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>> "echo mypassphrase | env DISPLAY=:0 otp-md5 ..."
>
>That is a bug that needs to be fixed in its own right.

You're kidding, right?  They're all heuristics, since there's no way to
determine for real whether or not input to the program "can be sniffed",
and any heuristic can be worked around.

>-f is disabled if insecure mode is not compiled in.

Which is why I was suggesting that we compile it in by default.

ssh happily prompts you for your passphrase no matter how you're
logged in.  Opie tries to protect people from themselves, but since
that's not possible, it does an imperfect job.  At least Opie requires
explicit action and warns loudly that you may be exposing your secret.

Opie's default distribution chooses security over usability.  This
choice normally encourages either misuse or disuse of the security
system -- so let's make the usability compromise, with appropriate
warnings (that are already present in the opie sources).

  Bill

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