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Distinguishing Attack and Second-Preimage Attack on the CBC-like MACs
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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. |
BibTeX
@misc{eprint-2008-18077, title={Distinguishing Attack and Second-Preimage Attack on the CBC-like MACs}, booktitle={IACR Eprint archive}, keywords={secret-key cryptography / CBC, MAC, Distinguishing attack, Second preimage}, url={http://eprint.iacr.org/2008/542}, note={ xiaoyunwang@mail.tsinghua.edu.cn 14257 received 26 Dec 2008, last revised 12 Jan 2009}, author={Keting Jia and Xiaoyun Wang and Zheng Yuan and Guangwu Xu}, year=2008 }