NY Times story on potentially unbreakable crypto: “with Dr. Rabin’s system, the message stays secret forever because the code uses a stream of random numbers that are plugged into the key for encoding and decoding. The numbers are never stored in a computer’s memory, so they essentially vanish as the message is being encrypted and decrypted. ‘If someone walks into my office with a court order or if they put a gun to my head they still could not read my conversations,’ Dr. Lipton said.” Link