Method and apparatus for remote digital key generation
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Abstract
A method and apparatus that uses the dynamics of chaotic systems for the remote generation of a digital key, for use in any encryption algorithm. After initialization, the dynamics of a chaotic system are allowed to generate the 0 and 1 bits of a key bitstream. An initialization bitstream is transmitted, using conventional transmission technologies, to an identical chaotic system. This chaotic system is driven into synchrony and allowed to generate a key bitstream, which is identical to the other bitstream because the chaotic systems have been synchronized.
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Citations
25 Claims
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1-11. -11. (canceled)
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12. A method of remote digital key generation, comprising:
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providing a control sequence to a first chaotic system such that the control sequence drives the first chaotic system onto a first periodic orbit independent from the initial state of the first chaotic system;
allowing the first chaotic system to provide, at least in part based on the first periodic orbit, a first key bitstream; and
providing the control sequence to a second chaotic system, identical to the first chaotic system, to drive the second chaotic system onto the first periodic orbit independent from the initial state of the second chaotic system, thereby allowing the second chaotic system to provide the first key bitstream. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. A system for remote digital key generation, comprising:
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an encryptor for providing a control sequence to a first chaotic system such that the control sequence drives the first chaotic system onto a first periodic orbit independent from the initial state of the first chaotic system, for allowing the first chaotic system to provide, at least in part based on the first periodic orbit, a first key bitstream, and for providing the control sequence to a decryptor; and
the decryptor for providing the control sequence to a second chaotic system, identical to the first chaotic system, to drive the second chaotic system onto the first periodic orbit independent from the initial state of the second chaotic system, thereby allowing the second chaotic system to provide the first key bitstream. - View Dependent Claims (21, 22, 23, 24, 25)
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Specification