Re: computer-go: Authenticating the identity of a remote go-playing computer program

[Don Dailey <drd@xxxxxxxxxxxxxxxxxxxxx>]

   From: Robert Jasiek <jasiek@xxxxxxxxxxxxxxxxx>

   Don Dailey wrote:
   >>
    The only reason  a checkum like md5 is  considered "secure" is because
    it has been desgined in such as way as to  make it extremely difficult
    to  construct another message  with the same  checksum (even though an
    infinite number of them exists!)  For all  practical purposes, this is
    secure   enough,  because I  can  be  certain, with  a   high level of
    confidence,  that you  cannot write a  program that  has the  same md5
    checksum as mine.
   <<

   What kind of security are you talking about? The major weakness of any
   code is illegal human access to its theory or keywords.

   --
   robert jasiek


In the context of our discussion,  the "security" is  in being able to
prove that a program existed before the game began.   I can "prove" it
to you by either sending you the program, or its signature before the
game begins.

Don