On message integrity in cryptographic protocols

Stuart G. Stubblebine, Virgil D. Gligor · 2003

An operational model for message integrity in cryptographic protocols is presented, message integrity requirements are discussed, and message structures that satisfy those requirements are suggested. A message splicing/decomposition invariant of the cipher block chaining (CBC) mode of encryption is derived and used to identify heretofore-unknown vulnerabilities of well-known protocols. The suggested message structures remove these vulnerabilities relying only on the use of weak one-way functions.>

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