I believe this quasar thing is an attempt to provide a source for hyperencryption, that technique described by Rabin at The prior art that comes to mind for me is a voice-scrambling system used for top-level conversations during WW2: voice transmissions were modulated by a noise source that consisted of specially-pressed phonograph records each succeeding noise master was destroyed after the requisite number of copies (five?) had been made and couriered to the transmission stations. With the one-scope solution, what you have is essentially a steganographically-distributed key (since data from radio telescopes is generally publicly available at some point). (And, as people have noted, there’s still the key-distribution problem) ![]() You could probably manage something if you quantized something other than phase/amplitude in a particular frequency band, but I wouldn’t bet my supersecret data on it. Things could get even uglier if whatever setup you were using for quantizing to 1 or 0 were even slightly off. ![]() Between atmospheric absorption, local interference conditions, and limited windows of time when both radiotelescopes were capable of observing the same quasar, things could get really ugly. Yes, there are a very large number of quasars and a very large number of starting datetimes to work with, but does the size of the ‘keyspace’ in question even remotely compare with that of more “conventional” and accepted, peer-reviewed encryption algorhythms?Īs a practical matter, I’d really rather not be the one to use the two-telescope setup. Someone with enough money could record the noise from all visible quasars and use that to brute-force the encryption. But the problem here is that both parties have to be located in the same hemisphere or have access to the same recordings. This is probably easiest for quasars located above the earth’s poles, as they won’t rotate out of view. The set of datetimes available for use as starting times for the recording is limited based on how long we’ve been recording output from quasars.Īs far as which quasar, there are a limited number in view, and a limited number that are going to be useful to both parties, as the quasar has to be simultaneously visible to both parties for them to capture the random noise. Nor should the data identifying the particular quasar and starting datetime of the recording used be confused with the random digital noise. The data representing the quasar should not be confused with the quasar itself. While a natural source of random noise is interesting, there’s still a problem similar to that of biometrics. Tags: cryptography, encryption, patents, random numbers I can see the story on the home page of Interactive, but can’t get at the story without a login. Only then do you have a slim chance of decoding it. The only way to really break the code is to know which radio telescope the coder is using and what Quasar it is pointing at. ![]() ![]() Even if the encrypted data is stolen, it is impossible to read it without the appropriate quasar’s radio signals. The radio telescope can decipher the information by observing the cosmic wave patterns emitted by a particular quasar selected in advance. A spokesman is quoted as saying that the system could be used for the transmission of state secrets and other sensitive information. Because cosmic waves are irregular, it is virtually impossible for others to decipher them. The National Institute of Information and Communications Technology is trying to patent a system of encryption using electromagnetic waves from Quasars.Īccording to The Nihon Keizai Shimbun, this technology is used to take cosmic radio waves are received through a radio telescope, encrypt and then retransmit them. It definitely doesn’t sound like two telescopes pointing at the same piece of key can contruct the same key-now that would be cool. Does anyone have the faintest clue what they’re talking about here? If I had to guess, it’s just another random-number generator.
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