Subjects: Computer Science >> Integration Theory of Computer Science submitted time 2019-04-01 Cooperative journals: 《计算机应用研究》
Abstract： GIFT is a lightweight block cipher with high efficiency and low power consumption. There are few research results to evaluate its security. This paper presented the balanced Biclique and Star attacks on GIFT-64 based on the Biclique attack method, combined with the information leakage of the key scheduling and the round function structure of GIFT-64. The data complexity and computational complexity required for the balanced Biclique attack of GIFT-64 are 232 and 2127.36 respectively. The data complexity and computational complexity required for the Star attack of GIFT-64 are 2 and 2127.48 respectively. These are the first security analysis for the full-round GIFT-64.
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