Square Like Attack on Camellia

Square Like Attack on Camellia
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DOI:
10.1007/978-3-540-77048-0_21
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发表时间:
2007-12
期刊:
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影响因子:
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通讯作者:
Duo Lei;C. Li;K. Feng
Duo Lei;C. Li;K. Feng
中科院分区:
其他
文献类型:
--
作者:
Duo Lei;C. Li;K. Feng

文献摘要

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本文提出了一种对Camellia的类正方形攻击,对9轮128位密钥Camellia不带FL/FL-1函数层和白化可破,复杂度为286.9次,数据量为266个;对12轮256位密钥Camellia不带FL/FL-1函数层和白化可破,复杂度为2250.8次,数据量为266个。我们还可以将这种方法应用于在扩散层中对sBox进行异或的块密码。
In this paper, a square like attack on Camellia is presented, by which 9-round 128-bit key Camellia withoutFL/FL− 1functions layer and whitening is breakable with complexity of 286.9encryptions and 266data and 12-round 256-bit key Camellia withoutFL/FL− 1function layer and whitening is breakable with the complexity of 2250.8encryptions and 266data. And we can also apply such method to block cipher having XORing sBoxes in diffusion layer.