Welcome to the resource topic for 2014/113
Title:
Secure Compression: Theory & Practice
Authors: James Kelley, Roberto Tamassia
Abstract:Encryption and compression are frequently used together in both network and storage systems, for example in TLS. Despite often being used together, there has not been a formal framework for analyzing these combined systems; moreover, the systems are usually just a simple chaining of compression followed by encryption. In this work, we present the first formal framework for proving security in combined compression-encryption schemes and relate it to the traditional notion of semantic security. We call this entropy-restricted semantic security. Additionally, we present a new, efficient cipher, called the squeeze cipher, that combines compression and encryption into a single primitive and provably achieves our entropy-restricted security.
ePrint: https://eprint.iacr.org/2014/113
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