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System and method for achieving ZUC

A technology for implementing systems and algorithms, applied in the field of implementing systems for Zu Chongzhi's algorithm, can solve the problem of parallel addressing logic consuming large system resource overhead, and achieve the effect of reducing resource overhead and power consumption overhead.

Active Publication Date: 2014-04-16
中科芯未来微电子科技成都有限公司
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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a system and method for realizing Zu Chongzhi's algorithm, which solves the technical problem of high resource consumption of the parallel addressing logic consumption system of Zu Chongzhi's algorithm in the prior art

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  • System and method for achieving ZUC
  • System and method for achieving ZUC
  • System and method for achieving ZUC

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Embodiment Construction

[0050] see figure 1 , a system for implementing Zu Chongzhi's algorithm provided by an embodiment of the present invention includes: a system control module, a linear feedback shift register module, a bit reorganization module, an F function module, a first addressing module, a second addressing module, a first S-box module, second S-box module and encryption / decryption module; among them, the system control module is used to receive control information (set initial key and initial vector), according to the rate of input data, by controlling the linear feedback shift register The shift enable signal, adjust the key generation rate, and then generate a control signal according to the key generation rate, the control signal controls the key generation process, the linear feedback shift register module performs bit splicing according to the initial key and initial vector , to obtain the initial value of the linear feedback shift register, and then according to the shift enable si...

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Abstract

The invention discloses a system and method for achieving the ZUC, and belongs to the technical field of communication system encryption. The system comprises a system control module, a linear feedback shift register module, a bit recombination module, an F function module, a first addressing module, a second addressing module, a first S box module, a second S box module and an encryption / decryption module. According to the system and method, the resource cost of the system can be greatly reduced by optimizing parallel addressing logic of the ZUC, and meanwhile the power consumption cost of the system can be reduced by optimizing an achievement structure, based on a lookup table, of an S box.

Description

technical field [0001] The invention belongs to the technical field of communication system encryption, and in particular relates to a system and method for realizing Zu Chong's algorithm. Background technique [0002] Zu Chongzhi algorithm is a stream cipher algorithm independently designed by China. It was adopted by 3GPP LTE as an international encryption standard in September 2011, that is, the fourth generation mobile communication encryption standard. Zu Chongzhi's algorithm has very high security strength and can resist various current common stream cipher attack methods. Its design has been recognized by famous cryptographers at home and abroad, and they have given a high evaluation of its security strength. [0003] With Zu Chongzhi's algorithm being determined as an international encryption standard, researchers at home and abroad have actively explored the implementation methods of hardware circuits using Zu Chongzhi's algorithm, mainly including how to increase ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/02H04L9/08
Inventor 黑勇韩越乔树山
Owner 中科芯未来微电子科技成都有限公司
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