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Paper 2008/542
Distinguishing Attack and Second-Preimage Attack on the CBC-like MACs
Keting Jia and Xiaoyun Wang and Zheng Yuan and Guangwu Xu
Abstract
In this paper, we first present a new distinguisher on the CBC-MAC based on a block cipher in Cipher Block Chaining (CBC) mode. It can also be used to distinguish other CBC-like MACs from random functions. The main results of this paper are on the second-preimage attack on CBC-MAC and CBC-like MACs include TMAC, OMAC, CMAC, PC-MAC and MACs based on three-key encipher CBC mode. Instead of exhaustive search, this attack can be performed with the birthday attack complexity.
Metadata
- Available format(s)
- Category
- Secret-key cryptography
- Publication info
- Published elsewhere. Unknown where it was published
- Keywords
- CBCMACDistinguishing attackSecond preimage
- Contact author(s)
- xiaoyunwang @ mail tsinghua edu cn
- History
- 2009-01-13: last of 5 revisions
- 2008-12-28: received
- See all versions
- Short URL
- https://ia.cr/2008/542
- License
-
CC BY