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7 votes
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What applicability does the Halting Problem have to infosec?

Established expert... that would be me (although not under this name -- I use a pseudonym because I am tremendously humble). Allow me to answer, then. The "halting problem" is indeed an illustration …
Tom Leek's user avatar
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6 votes

Fully encrypted social network theory

A first generic comment is that when you give a key to a friend, there is no way you can prevent that "friend" from sending the same key to other people, or blabbering about your semi-private informat …
Tom Leek's user avatar
  • 174k
4 votes
Accepted

Any known protocol for establishing trust between an inherently untrustworthy source and a s...

As usual, the problem is one of definition. Namely, what makes the device 'D' more "genuine" than a PC run by some ill-intentioned individual ? If you get down to it, you will say something like: devi …
Tom Leek's user avatar
  • 174k