[cryptography] ciphers with keys modifying control flow?

Lea Kissner chialea at gmail.com
Mon Sep 27 10:32:35 EDT 2010


Depending on what you're going to consider as a "cipher", I've seen
some protocols where the public key used indicated something. That
could easily be used in a "control flow"-type manner. I suspect that's
more contrived than you're interested in.

Thanks,
Lea

On Sun, Sep 26, 2010 at 7:18 PM, Steven Bellovin <smb at cs.columbia.edu> wrote:
>
> On Sep 26, 2010, at 9:38 45PM, Sandy Harris wrote:
>
>> On Mon, Sep 27, 2010 at 9:14 AM, Steven Bellovin <smb at cs.columbia.edu> wrote:
>>> Does anyone know of any ciphers where bits of keys modify the control path, rather than just data operations?
>>
>> I can think of two:
>> http://en.wikipedia.org/wiki/FROG
>> http://en.wikipedia.org/wiki/BassOmatic
>
> Thanks.
>>
>
>
>                --Steve Bellovin, http://www.cs.columbia.edu/~smb
>
>
>
>
>
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