任何考虑用算术方法产生随机数字的人，可以肯定，都在犯错误。

Any one who considers arithmetical methods of producing random digits is, of course, in a state of sin.

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由于数字物理噪声源可以产生随机性较好的随机数作为密钥，已被广泛应用于安全信息系统。

With the development of computing technology and cryptography, high-speed digital physical noise generator is urgently required in cryptography at present.

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