maemo.org - Talk - View Single Post - Unbreakable cipher app

	pichlo	2014-01-02 , 16:36
	Posts: 6,453 \| Thanked: 20,983 times \| Joined on Sep 2012 @ UK	#20

Originally Posted by reinob

OTP is a theoretical construct. Like a Turing machine if you like. You can talk about it, you can use to model stuff, to gain information about stuff. You just can't build it.

Not quite. You can pre-generate say a thousand OTPs and give them to both parties, then use (and destroy) them one by one. In case of secure SMS, the OTPs have a finite length so not even too much resources spent. Of course keeping a bunch of OTPs for future use has its own problems but at least it is doable.

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