Pentagon Plan: Sky Internet for God's Eye View

PogoPedant said:
Adding to CFLarsen's sentiment, I don't think anybody actually bothers to crack anything any more. It's much easier to steal a key.
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But how easy is that?

Not to say it isn't possible. Not to say it doesn't happen from time to time. Just to say that the benifits far outweigh the tiny risks.
 
Rob Lister said:
But how easy is that?
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Probably easier than cracking the code? My point is just that fancy encryption only takes you so far. You reach a point where adding more encryption only increases the cost of the system, not the security...

Not to say it isn't possible. Not to say it doesn't happen from time to time. Just to say that the benifits far outweigh the tiny risks.
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Your probably right. It sounds like a fun system to play around with, though... from an academic point of view, of course... ;)
 
geni said:
It is possible to crack. Just not in the way you would expect.
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Hmm I have never seen any serious study that approaches a coherent theory as to how to crack Quantum encryption.

The key is a truly random 1 way function which as far as I am aware is non-reproducible. Not only that but any attempt to even passively receive the information alters the "message" and alerts the recipient that the attempt was made. Perhaps you have some new information of which I am not of as yet aware.

Besides a 1024 bit DES scheme would be just fine as for perishable information like troop movements and tatical information because long befor the key could be cracked the info would be obsolete
 
TillEulenspiegel said:
Hmm I have never seen any serious study that approaches a coherent theory as to how to crack Quantum encryption.

The key is a truly random 1 way function which as far as I am aware is non-reproducible. Not only that but any attempt to even passively receive the information alters the "message" and alerts the recipient that the attempt was made. Perhaps you have some new information of which I am not of as yet aware.

Besides a 256 bit DES scheme would be just find as for perishable information like troop movements and tatical information because long befor the key could be cracked the info would be obsolete
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I almost posted something along those lines as a response. I didn't because I figured the "way" implied involved the human factor, as in a mole.
 
So enemy soldiers are going to crack the code on encrypted data that describes where the enemy soldiers are. Isn't there an easier way to find out where one's own soldiers are?

Now if they could spoof data, that'd be a different story.
 
Ladewig said:
So enemy soldiers are going to crack the code on encrypted data that describes where the enemy soldiers are. Isn't there an easier way to find out where one's own soldiers are?
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That would make for an interest plot-line in a movie.
 
Well they can spoof and do all kinds of tricks that's the human side of the equation. IIRC the 56 bit DES took two years to crack so if you really want it secure it's not hard especially with time sensitive data. You could place your own mole that leaks a key for false data that the DOD could plant. That's been done since WW2. Lots of Field craft scenarios.

As far as real time battle field decryption , it ain't gonna happen any time soon.

edit to add: as far as shooting a guy and taking his equipment all you have to do is have a rotating public key every 12 or 24 hours or what ever the guy's with scrambled eggs on their hats require.
 
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