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lmh6882

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DBlock算法是2015年提出的一种新型分组密码算法,算法分组长度与对应密钥长度为128bit、192bit与256bit,均迭代20轮。研究采用字节故障模型,并利用基于密钥扩展的差分故障分析方法,对密码算法DBlock进行差分故障分析。实验结果表明,在密钥扩展算法运行至第17轮时导入随机故障,利用S盒的差分分析模型,平均需要5.6次故障密文,在该方案下,最好的结果为4次故障密文,便可恢复算法的128bit初始密钥
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Edstrayer

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方寸斗室小天地正气迷漫大世界

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爱与雨下: 金币+1 2016-06-20 21:17:06
lmh6882(fjtony163代发): 金币+30, 代发 2016-07-20 02:03:06
DBlock算法是2015年提出的一种新型分组密码算法,算法分组长度与对应密钥长度为128bit、192bit与256bit,均迭代20轮。研究采用字节故障模型,并利用基于密钥扩展的差分故障分析方法,对密码算法DBlock进行差分故障分析。实验结果表明,在密钥扩展算法运行至第17轮时导入随机故障,利用S盒的差分分析模型,平均需要5.6次故障密文,在该方案下,最好的结果为4次故障密文,便可恢复算法的128bit初始密钥.
DBlock algorithm is a kind of new type block cipher algorithm raised in 2015,
the block length of algorithm and key length corresponding are 128 bits, 192 bits and 256 bits respectively, all iterate 20 steps.
Research use the model of byte fault, and proceed the difference fault analysis to DBlock of cipher algorithm by the method of difference fault analysis based key extending.
The results of experiments show that need average 5.6 fault ciphertext by the model of difference analysis of S box in leading random faults when iterate to 17 steps in the algorithm of key extending.
In the scheme the best result is 4 fault ciphertext, we can renew the initial key of 128 bits of algorithm.
青葱岁月圣诞夜,浪漫歌舞迎新年。
2楼2016-06-18 05:29:33
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武汉一心一译

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lmh6882(fjtony163代发): 金币+50, 代发 2016-07-20 02:02:21
lmh6882(fjtony163代发): 金币+50, 代发 2016-07-20 02:02:30
lmh6882(fjtony163代发): 金币+50, 代发 2016-07-20 02:02:36
lmh6882(fjtony163代发): 金币+50, 代发 2016-07-20 02:02:44
lmh6882(fjtony163代发): 金币+50, 代发 2016-07-20 02:02:52
fjtony163: 翻译EPI+1, 代发 2016-07-20 02:02:58
DBlock算法 是2015年 提出的 一种 新型 分组密码算法,算法 分组长度 与 对应密钥长度 为128bit、192bit与256bit,均 迭代20轮。研究 采用 字节故障模型,并利用 基于 密钥扩展的 差分故障分析方法,对 密码算法 DBlock 进行 差分故障分析。实验结果表明,在密钥扩展算法 运行至 第17轮时 导入 随机故障,利用 S盒的 差分分析模型,平均 需要5.6次 故障密文,在该方案下,最好的结果为 4次故障密文,便 可恢复 算法的 128bit初始密钥
DBlock algorithm  is a new block ciper algorithm proposed in 2015. Its block length and key length are 128bit, 192bit and 256bit, both of which are of 20 iterations. In this research, DBlock algorithm was applied with differential fault analysis using byte-oriented fault model and key expansion-based differential fault analysis method. Results showed that as random fault was imported when the key extending algorithm entered into the 17th iteration, we used the differential analysis model of S box to restore key, finding that 5.6 fault keys were needed by average (4 fault keys was the optimal result under such scheme) before restoring the initial key of 128bit.
3楼2016-06-18 07:40:52
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4楼2016-06-18 08:04:10
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