Computer Science ›› 2020, Vol. 47 ›› Issue (7): 278-281.doi: 10.11896/jsjkx.190700110

• Information Security • Previous Articles     Next Articles

Encrypted Dynamic Configuration Method of FPGA Based on Cloud

CHEN Li-feng1, ZHU Lu-ping2   

  1. 1 National Demonstration Center for Experimental Computer Education,Fudan University,Shanghai 200433,China
    2 Troops 91045,Shanghai 200940,China
  • Received:2019-07-17 Online:2020-07-15 Published:2020-07-16
  • About author:CHEN Li-feng,born in 1977,doctor.His main research interests include embedded system application,and machine learning.
  • Supported by:
    This work was supported by the Sub Project of HGJ Major Project(KCH230110)

Abstract: In the field of parallel computing which needs a lot of data,such as cloud computing,machine learning algorithm,artificial intelligence computing,etc.,as an important technical means to improve performance,FPGA has been widely used.In the configuration of FPGA,configuration data need to be read from memory and then written into the FPGA.As a practical embodiment of technological achievements,configuration data has the problem of how to prevent data from being illegally acquired,lea-ding to the leakage of research property.In order to deal with this problem,this paper proposes an effective method of FPGA configuration based on cloud encryption.This method encrypts and manages the configuration data file by cloud-based encryption APP.When configuring the FPGA,the microprocessor obtains the encrypted configuration data through the access port of the cloud-based server,and decrypts it using the decryption algorithm built in the microprocessor.Then,the decrypted data are used dynamically to config the FPGA.The method described in this paper stores the configuration data of the FPGA in the cloud ser-ver,and carries out strict data protection and file protection through encryption means on the cloud server,thus providing a flexible and powerful encryption protection capability.The microprocessor obtains data from the cloud through encryption channel,decrypts the encrypted data and then uses it for the configuration of FPGA.In the whole process,the configuration data are encrypted,and the risk of data leakage is effectively controlled.Thus,the configuration data can be protected to the maximum extent to prevent illegal acquisition and use,meanwhile the remote dynamic configuration of the FPGA can be realized.The proposed method has been verified in Aliyun and Tencent cloud platforms,which achieves good confidentiality and flexible configuration.

Key words: Asymmetric encryption, Cloud storage security, Data protection, Dynamic configuration of FPGA, Symmetric encryption

CLC Number: 

  • G201
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