上海交通大学学报(英文版) ›› 2011, Vol. 16 ›› Issue (6): 713-721.doi: 10.1007/s12204-011-1215-3

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Improved Preimage Attack on 3-Pass HAVAL

ZHONG Jin-min (钟锦敏),    LAI Xue-jia (来学嘉),    DUAN Ming   (段   明)    

  1. (Department of Computer Science and Engineering,
    Shanghai Jiaotong University, Shanghai 200240, China)    
  • 收稿日期:2011-06-14 出版日期:2011-12-30 发布日期:2012-01-12
  • 通讯作者: ZHONG Jin-min (钟锦敏) E-mail:JinminZhong@gmail.com

Improved Preimage Attack on 3-Pass HAVAL

ZHONG Jin-min (钟锦敏),    LAI Xue-jia (来学嘉),    DUAN Ming   (段   明)    

  1. (Department of Computer Science and Engineering,
    Shanghai Jiaotong University, Shanghai 200240, China)    
  • Received:2011-06-14 Online:2011-12-30 Published:2012-01-12
  • Contact: ZHONG Jin-min (钟锦敏) E-mail:JinminZhong@gmail.com

摘要:  HAVAL is a hash function proposed by
 Zheng et al. in 1992, including 3-, 4- and 5-pass versions.
We improve pseudo-preimage and preimage attacks on 3-pass HAVAL at
the complexity of 2^  172   and 2^  209.6  , respectively, as
compared to the previous best known results: 2^  192   and 2^  225 
by Sasaki et al. in 2008. We extend the skip interval for
partial-patching and apply the initial structure technique to find
the better message chunks, and combine the
indirect-partial-matching, partial-fixing and multi-neutral-word
partial-fixing techniques to improve the attacks based on the
meet-in-the-middle method. These are the best pseudo-preimage and
preimage attacks on 3-pass HAVAL.

关键词:  , hash, meet-in-the-middle, preimage

Abstract:  HAVAL is a hash function proposed by
 Zheng et al. in 1992, including 3-, 4- and 5-pass versions.
We improve pseudo-preimage and preimage attacks on 3-pass HAVAL at
the complexity of 2^  172   and 2^  209.6  , respectively, as
compared to the previous best known results: 2^  192   and 2^  225 
by Sasaki et al. in 2008. We extend the skip interval for
partial-patching and apply the initial structure technique to find
the better message chunks, and combine the
indirect-partial-matching, partial-fixing and multi-neutral-word
partial-fixing techniques to improve the attacks based on the
meet-in-the-middle method. These are the best pseudo-preimage and
preimage attacks on 3-pass HAVAL.

Key words:  , hash, meet-in-the-middle, preimage

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