Testing the NIST Statistical Test Suite on artificial pseudorandom sequences
نویسندگان
چکیده
منابع مشابه
NIST Statistical Test Suite
The NIST Statistical Test Suite has 15 tests. The principal strategy of the NIST Statistical Test Suite is to judge statistical randomness property of random bit generating algorithms. Based on 300 to 500 different keys, the algorithm generates a series of even number of different long random sequences of n bits, n varying between 13 and 15 lacs, each of which is tested by the 15 tests. Each te...
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Randomness testing plays an important role in cryptography. Randomness is typically examined by batteries of statistical tests. One of the most frequently used test batteries is the NIST Statistical Test Suite. The tests of randomness should be rather fast since they usually process large volumes of data. Unfortunately, this is not the case for the NIST STS, where a complete test can take hours...
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It is well known that the NIST statistical test suite was used for the evaluation of AES candidate algorithms. We have found that the test setting of Discrete Fourier Transform test and Lempel-Ziv test of this test suite are wrong. We give four corrections of mistakes in the test settings. This suggests that re-evaluation of the test results should be needed.
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NIST Statistical Test Suite is an important testing suite for randomness analysis often used for formal certifications or approvals. Documentation of the NIST STS gives some guidance on how to interpret results of the NIST STS but interpretation is not clear enough or it uses just approximated values. Moreover NIST considers data to be random if all tests are passed yet even truly random data s...
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Random numbers and random sequences are used to produce vital parts of cryptographic algorithms such as encryption keys and therefore the generation and evaluation of random sequences in terms of randomness are vital. Test suites consisting of a number of statistical randomness tests are used to detect the nonrandom characteristics of the sequences. Construction of a test suite is not an easy t...
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ژورنال
عنوان ژورنال: Математические вопросы криптографии
سال: 2019
ISSN: 2220-2617,2222-3193
DOI: 10.4213/mvk286