Random number generation device and method

• Main Author: LIU ZHONGZHI
• Format: Patent
• Language: English
• Published: 13.01.2016
• Subjects: CALCULATING; COMPUTING; COUNTING; ELECTRIC DIGITAL DATA PROCESSING; PHYSICS

The invention relates to a random number generation device and method. The device comprises an adjustable delay module, a memory module, a synchronous logic module and a delay control logic module, wherein the adjustable delay module is used for delaying a first clock signal, generating n second clock signals and adjusting the delay of the n second clock signals under the control of a control signal; the memory module comprises n levels of memory units, wherein the n levels of memory units comprise a first-level memory unit, a middle-level memory unit and an nth-level memory unit; the synchronous logic module is used for synchronizing the output of the n levels of memory units; and the delay control logic module is used for generating a control signal according to the stable output of the n levels of memory units and generating and outputting a true random number. The device and the method are used for improving the metastable state generation possibility of the output of a trigger, generates the true random number according to the metastable state of the output end of the trigger, do not adopt a dedicate clock to generate an asynchronous input signal, and lower the complexity of chips.