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Abstract: In this paper new `partial' key recovery attacks against the RMAC block cipher based Message Authentication Code scheme are described. That is we describe attacks that, in some cases, recover one of the two RMAC keys much more e#ciently than previously described attacks. Although all attacks, but one, are of no major threat in practice, in some cases there is reason for concern. In particular, the recovery of the second RMAC key (of k bits) may only require around 2 k/2 block cipher... (Update)
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BibTeX entry: (Update)
@misc{ knudsen-partial,
author = "Lars R. Knudsen and Chris J. Mitchell",
title = "Partial key recovery attack against RMAC",
url = "citeseer.ist.psu.edu/658972.html" }
Citations (may not include all citations):1065 Handbook of Applied Cryptography (context) - Menezes, van Oorschot et al. - 1997
206 Federal Information Processing Standards Publication (context) - of, Technology et al. - 2001
206 Federal Information Processing Standards Publication (context) - of, Technology et al. - 1999
124 Payword and Micromint: Two simple micropayment schemes - Rivest, Shamir - 1996
95 The security of cipher block chaining - Bellare, Kilian et al. - 1994
42 CBC MAC for real-time data sources - Petrank, Racko - 2000
39 New block encryption algorithm MISTY (context) - Matsui - 1997
25 Key-schedule cryptanalysis of IDEA (context) - Kelsey, Schneier et al. - 1996
18 the security of randomized CBC-MAC beyond the birthday parad.. - Jaulmes, Joux et al. - 2002
6 Information technology --- Security techniques --- Message A.. (context) - for, Geneve et al. - 1999
4 the security of iterated message authentication codes - Preneel, van Oorschot - 1999
2 Key recovery attack on ANSI retail MAC (context) - Mitchell - 2003
2 Analysis of 3gpp-MAC and two-key 3gpp-MAC (context) - Knudsen, Mitchell - 2003
2 A key recovery attack on the ANSI X9.19 retail MAC (context) - Preneel, van Oorschot - 1996
1 An analysis of RMAC - Knudsen, Kohno - 2003
1 MacDES: a new MAC algorithm based on DES (context) - Knudsen, Preneel - 1998
1 Draft Recommendation for Block Cipher Modes of Operation: th.. (context) - of, Technology et al. - 2002
1 Attacks on MacDES MAC algorithm (context) - Coppersmith, Mitchell - 1999
1 New attacks against standardized MACs (context) - Joux, Poupard et al. - 2003
1 Key recovery and forgery attacks on the MacDES MAC algorithm (context) - Coppersmith, Knudsen et al. - 2000
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