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Can We Securely Use CBC Mode in TLS1.0?

Abstract : Currently, TLS1.0 is one of the most widely deployed protocol versions for SSL/TLS. In TLS1.0, there are only two choices for the bulk encryption, i.e., RC4 or block ciphers in the CBC mode, which have been criticized to be insecure.In this paper, we explore the current status of the CBC mode in TLS1.0 and prove theoretically that the current version of the (patched) CBC mode in TLS1.0 satisfies indistinguishability, which implies that it is secure against BEAST type of attacks.
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Submitted on : Monday, February 13, 2017 - 2:30:50 PM
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Takashi Kurokawa, Ryo Nojima, Shiho Moriai. Can We Securely Use CBC Mode in TLS1.0?. 3rd International Conference on Information and Communication Technology-EurAsia (ICT-EURASIA) and 9th International Conference on Research and Practical Issues of Enterprise Information Systems (CONFENIS), Oct 2015, Daejon, South Korea. pp.151-160, ⟨10.1007/978-3-319-24315-3_15⟩. ⟨hal-01466214⟩



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