A true random number generation method and device with detection and correction functions

Abstract

As an important part of the cryptosystem, random numbers are widely used in security systems, such as session keys, initialization vectors and digital signatures. The invention is a method and device for generating true random numbers, which are composed of an entropy source module, a sampling module, an exclusive OR logic gate, a cell state machine, a test module, a CPU and a selection controller. The entropy source module is composed of two identical oscillator structures, which is a chaotic oscillator structure based on an autonomous Boolean network. The entropy source module can generate chaotic signals with wide frequency spectrum and high bandwidth. After the random sequence is tested by the test module, the CPU judges whether it passes the test, and if it passes, the sequence is directly output; if it fails, the data is returned to the post-processing module through the XOR circuit. At the same time, select the controller to select different post-processing methods to process the data, and after processing, enter the test module again for testing until the test is passed. The random code sequence generated by the present invention can pass the random number industry standard test.

Description

technical field [0001] The invention relates to the field of integrated circuits and cryptographic chips, and relates to a method and device for generating true random numbers with detection and correction functions. Background technique [0002] With the continuous development of the information society, information plays an increasingly important role in society, and the generation, storage, and processing of information are closely related to everyone. The security and confidentiality of the corresponding information has become a matter of concern to everyone. Especially in the fields of communication and finance, there are stricter requirements on information security. [0003] True random number generators have very important applications in the field of modern cryptography. It is an important part of the encryption chip system. However, the pseudo-random number generators at this stage have the disadvantages of periodicity and easy cracking of the generated sequence...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a physical random number generation method and solution with high speed, low power consumption and online detection in order to solve the shortcomings of the existing random number generation method and device with complex structure, high power consumption, low speed, and offline detection

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