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by tripletao
2966 days ago
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There is no need for a one-time pad. Any good stream cipher works just as well, same as for any other link. Message integrity is a fun question, since you don't want to spend the bits that you'd need for typical levels of security there; but that question is again independent of a one-time pad vs. normal crypto. Jamming a licensed radio link vital to rich people who routinely deal with the government doesn't sound like a great idea to me. |
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Either way, the likelihood of loss between TX and RX means that you can't advance the cipher as bits arrive. I'm thinking you'd have to advance based on GPS-sync'd clocks. Given that each bit is at least 10's of microseconds, GPS sync is plenty good.