基于能量攻擊的FPGA克隆技術研究
發(fā)布時間：2019-03-27 18:22
【摘要】：針對FPGA克隆技術展開研究,指出其關鍵問題在于對加密密鑰的攻擊,并以Xilinx公司7系列FPGA為列,討論了采用AES-256 CBC模式解密條件下的攻擊點函數選擇方法,通過單比特功耗模型實施差分能量攻擊,成功恢復了256 bit密鑰。同時,針對不可直接代入密鑰檢驗正確性的問題,設計了一種基于DPA攻擊相關系數極性的檢驗方法,避免了密鑰錯誤引起FPGA錯誤配置,實驗表明,該方法能夠有效消除相關系數的"假峰"現象。
[Abstract]:Based on the research of FPGA cloning technology, it is pointed out that the key problem lies in the attack on encryption key, and the method of selecting attack point function under the condition of decryption in AES-256 CBC mode is discussed based on the FPGA of Xilinx Company's 7 series, and the method of selecting attack point function is discussed in this paper. The differential energy attack is carried out through the single bit power consumption model, and the 256 bit key is recovered successfully. At the same time, in order to check the correctness of non-direct substitution key, a method based on polarity of correlation coefficient of DPA attack is designed to avoid the misconfiguration of FPGA caused by key error. This method can effectively eliminate the phenomenon of "false peak" of correlation coefficient.
【作者單位】： 解放軍信息工程大學;
【分類號】：TN918.4;TN791
，
本文編號：2448433
[Abstract]:Based on the research of FPGA cloning technology, it is pointed out that the key problem lies in the attack on encryption key, and the method of selecting attack point function under the condition of decryption in AES-256 CBC mode is discussed based on the FPGA of Xilinx Company's 7 series, and the method of selecting attack point function is discussed in this paper. The differential energy attack is carried out through the single bit power consumption model, and the 256 bit key is recovered successfully. At the same time, in order to check the correctness of non-direct substitution key, a method based on polarity of correlation coefficient of DPA attack is designed to avoid the misconfiguration of FPGA caused by key error. This method can effectively eliminate the phenomenon of "false peak" of correlation coefficient.
【作者單位】： 解放軍信息工程大學;
【分類號】：TN918.4;TN791
，
本文編號：2448433
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