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Paper 2005/430

F-HASH: Securing Hash Functions Using Feistel Chaining

Duo Lei

Abstract

The Feistel structure is well-known as a good structure for building block ciphers, due to its property of invertibility. It can be made non-invertible by fixing the left half of the input to 0, and by discarding the left half of the output bits. It then becomes suitable as a hash function construction. This paper uses the structure to build a hash function called F-Hash, which is immune to recent attack styles. In this paper, a more precise evaluation method, based upon conditional probability, is given.

Note: "Thanks to Dr. Matt Henricksen for editing and structural suggestions".

Metadata
Available format(s)
PDF
Publication info
Published elsewhere. Unknown where it was published
Keywords
HashBlock cipherFeistel Structure
Contact author(s)
duoduolei @ gmail com
History
2006-08-21: last of 17 revisions
2005-11-27: received
See all versions
Short URL
https://ia.cr/2005/430
License
Creative Commons Attribution
CC BY
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