Using IND-CVA for constructing secure communication |
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| Authors: | ZhenYu Hu JianChun Jiang FuChun Sun |
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| Affiliation: | HU ZhenYu1,JIANG JianChun2 & SUN FuChun1 1 National Laboratory of Information Science , Technology,Department of Computer Science , Technology,Tsinghua University,Beijing 100084,China,2 Institute of Software,Chinese Academy of Sciences,Beijing 100080 |
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| Abstract: | Within the framework of UC (universally composable) security, a general method is presented to construct a secure channel protocol with using IND-CVA (indistinguishability of encryption scheme under ciphertext verification attacks). A channel protocol with using the method first invokes an ideal keyexchange protocol to get a session key, and then computes the messages with an authenticated encryption scheme. The paper shows that a channel protocol is UC secure if and only if the underlying authenticated enc... |
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| Keywords: | universally composable security secure channel authenticated encryption semantic security integrity |
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