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近年来,随着国民生活水平的日益提高、生态环保意识的显著增强,旅游业的发展已经愈发多元和精致。旅游区道路设计日益成为现代城市风景区的重要一环。如何将旅游区道路赋予生命,将动态、三维空间变成景观,将单调线条赋予韵律和曼妙。以文昌湖旅游度假区湖湾路为例,对旅游区城市道路设计进行探讨。 相似文献
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We investigate the lightweight block cipher KATAN family which consists of three variants with 32, 48 and 64-bit block sizes, called KATAN32, KATAN48 and KATAN64 respectively. However, three variants all have the same key length of 80 bits. On the basis of the bit-oriented faulty model and the differential analysis principle, we describe the attack that combines differential fault attack with the meet-in-the-middle (MITM) attack on the KATAN32. More precisely, inducing a fault at a bit, we can recover some linear differential fault equations on the key bits. During solving equations, without the help of computer, we need only algebraic deduction to obtain relations of some key bits. The complexity in this process is neglectable. The secret key of the full cipher can be recovered faster than exhaustive search for all three block sizes in the KATAN family. Our result describes that KATAN32 is vulnerable. 相似文献
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