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Key-dependent cube attack on reduced Frit permutation in Duplex-AE modes
Frit Duplex authenticated encryption mode Key-dependent cube attack
2019/2/25
Frit is a new lightweight 384-bit cryptographic permutation proposed by Simon et al., which is designed for resisting fault injection and performs competitively in both hardware and software. Dobrauni...
Frit is a cryptographic 384-bit permutation recently proposed by Simon et al. and follows a novel design approach for built-in countermeasures against fault attacks. We analyze the cryptanalytic secur...
基于FRIT循环抽样声纳图像去噪新方法
图像 FRIT
2008/3/11
声纳图像背景复杂，对比度差，边缘恶化，不易判读图像边缘。对声纳图像执行小波变换能够有效去除噪声，但是由于小波的局限性，其对图像边缘的保持效果不佳。有限Ridgelet变换 (FRIT)能够有效克服小波变换在处理高维信号时的不足，是一种有效处理二维奇异性信号的新方法。将FRIT处理技术应用在水下声纳图像去噪技术中，基于该方法提出循环抽样FRIT去噪算法，提高了处理结果的信噪比及边缘保持效果。在实验数...