伪造电子签名及确定密钥的方法

20th International Conference on Advanced Information Networking and Applications - Volume 1 (AINA'06) Pub Date : 2006-04-18 DOI:10.1109/AINA.2006.227

Jingmei Liu, Xiangguo Cheng, Xinmei Wang

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引用次数: 2

摘要

针对所选签名消息下系统密钥参数未知的情况，提出了一种伪造电子签名的新方法。攻击者可以在不依赖离散对数计算的情况下伪造替代正确签名的签名，也可以攻击正确的密钥。通过攻击概率密码分析，发现该密码系统在一定条件下可以被成功攻击

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Methods to Forge ElGamal Signatures and Determine Secret Key

We present a new method to forge ElGamal signatures with the cases that the secret key parameters of the system are not known under the chosen signature messages. The attacker can forge the signature substituting the right signature, and also attack the right secret key without depending on the computation of discrete logarithm. With the attacking probability cryptanalysis, it is found that the cryptosystem can be attacked successfully in some conditions

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来源期刊

20th International Conference on Advanced Information Networking and Applications - Volume 1 (AINA'06)

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