Welcome to the resource topic for 2016/958
Title:
SafeDeflate: compression without leaking secrets
Authors: Michał Zieliński
Abstract:CRIME and BREACH attacks on TLS/SSL leverage the fact that compression ratio is not hidden by encryption to recover content of secrets. We introduce SafeDeflate—a modification of a standard Deflate algorithm which compression ratio does not leak information about secret tokens. The modification is compatible with existing Deflate and gzip decompressors. We introduce a model in which attacker can obtain ciphertexts of arbitrary compressed plaintext containing secret values. Then we prove that SafeDeflate is secure in this model.
ePrint: https://eprint.iacr.org/2016/958
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