基于相關(guān)攻擊的A5/1算法識(shí)別
Application of Correlation Attack in Algorithm Identify
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摘要: 利用相關(guān)攻擊獲得畸變的A5/1序列，再用統(tǒng)計(jì)工具對(duì)其進(jìn)行處理可以得出A5/1統(tǒng)計(jì)特征，從而找到正確區(qū)分A5/1算法輸出和偽隨機(jī)序列的方法。實(shí)驗(yàn)驗(yàn)證該方法能有效地將A5/1算法輸出和偽隨機(jī)序列區(qū)分開來。
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關(guān)鍵詞:
- 密碼分析;算法識(shí)別;A5/1算法;相關(guān)攻擊;正態(tài)分布
Abstract: A correlation attack on A5/1 algorithm can be educed by the linear filling weakness in initiate process of A5/1 algorithm. An aberrant A5/1 sequence can be obtained from it, which have treated by statistic tools to get A5/1 statistic trait, so the distinction of A5/1 output from real random sequence can be found. Test results show that this method can work effectively. -
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