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Paper 2002/159
Related-Key and Key-Collision Attacks Against RMAC
Tadayoshi Kohno
Abstract
In [JJV02] Jaulmes, Joux, and Valette propose a new randomized message authentication scheme, called RMAC, which NIST is currently in the process of standardizing [NIS02]. In this work we present several attacks against RMAC. The attacks are based on a new protocol-level related-key attack against RMAC and can be considered variants of Biham's key-collision attack [Bih02]. These attacks provide insights into the RMAC design. We believe that the protocol-level related-key attack is of independent interest.
Metadata
- Available format(s)
- PDF PS
- Category
- Cryptographic protocols
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- RMACkey-collision attacksrelated-key attacks.
- Contact author(s)
- tkohno @ cs ucsd edu
- History
- 2002-12-03: last of 4 revisions
- 2002-10-21: received
- See all versions
- Short URL
- https://ia.cr/2002/159
- License
-
CC BY