【摘 要】
：
By constructing three types of related-key differential characteristics,we present three corresponding related-key differential attacks on the cipher.As the ind
【机 构】
：
Zhengzhou Information Science and Technology Institute,Unit 78179 of the PLA,
【出 处】
：
Chinese Journal of Electronics
论文部分内容阅读
By constructing three types of related-key differential characteristics,we present three corresponding related-key differential attacks on the cipher.As the independence of the characteristics,we could recover 64 bits of the cipher’s master key with 2~(58.6)chosen plain-texts,2~(58.8)full-round DDP-64 encryptions and 2~(12.8)bits of storage resources.To break the cipher,we only need to implement an exhaustive search for the rest 64 bits of the master key.
By constructing three types of related-key differential characteristics, we present three corresponding related-key differential attacks on the cipher. As the independence of the characteristics, we could recover 64 bits of the cipher’s master key with 2 ~ (58.6) texts, 2 ~ (58.8) full-round DDP-64 encryptions and 2 ~ (12.8) bits of storage resources. To break the cipher, we only need to implement an exhaustive search for the rest 64 bits of the master key.
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