Japanese scientists are proposing the use of random radio pulses emitted by quasars as "one time pads" for the encryption of sensitive messages, New Scientist reports.

Ken Umeno and his chums at Tokyo's National Institute of Information and Communications Technology reckon quasars could be useful in cryptography because "the strength and frequency of the radio pulses they emit is impossible to predict" - thereby making them truly random in contrast to computer-generated "pseudo-randomness" in which patterns will inevitably be revealed over time.

At The Register.

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