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On message integrity in cryptographic protocols

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2 Author(s)
Stubblebine, S.G. ; Dept. of Electr. Eng., Maryland Univ., College Park, MD, USA ; Gligor, V.D.

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

Published in:

Research in Security and Privacy, 1992. Proceedings., 1992 IEEE Computer Society Symposium on

Date of Conference:

4-6 May 1992