J4 ›› 2010, Vol. 45 ›› Issue (11): 115-121.
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YAN Zhao-xiang
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Abstract:
In 1993, Zheng and Seberry proposed an encryption scheme and claimed that it was chosen cipher-text secure. But they did not give specific proof. This paper proved that, under the CDH assumption, it was chosen cipher-text secure in the random oracle model.
Key words: chosen ciphertext security; random oracle model; CDH assumption; success probability
YAN Zhao-xiang. Chosen cipher-text security proof of ZS encryption scheme[J].J4, 2010, 45(11): 115-121.
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http://lxbwk.njournal.sdu.edu.cn/EN/Y2010/V45/I11/115
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