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利用光反馈半导体激光器产生的混沌激光作为随机数发生器的物理熵源,通过8位ADC将熵源信息转化为二进制码,并经后续差分运算处理改善其随机性,最终获得了1Gbit/s的随机数.所产生的随机数通过了NIST Special Publication 800-22的全部测试项.
Chaos laser generated by the optical feedback semiconductor laser is used as the physical entropy source of the random number generator. The entropy source information is converted into a binary code by an 8-bit ADC, and its randomness is improved by the subsequent differential operation processing. Finally, a 1Gbit / s The random number generated passes all the NIST Special Publication 800-22 test items.