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随机数在密码学、保密通信和国家安全等领域具有重要的作用,因此寻求一种提高随机数测试通过率的方法具有重要意义.对美国NIST SP800-22测试标准中的部分测试标准进行了分析,并针对其中的单比特频数测试、游程测试、块内最大游程测试以及子块测试分别给出了其物理意义和改进随机数发生器性能的硬件措施.
Random number plays an important role in the field of cryptography, secure communication and national security, so it is of great significance to find a way to improve the passing rate of random number test.A partial test standard in the NIST SP800-22 test standard is analyzed , And gives the physical meaning of single-bit frequency test, run test, maximum run test in block and sub-block test respectively, and the hardware measures to improve the performance of random number generator.