A new double-block-length hash function using feistel structure

Jesang Lee; Seokhie Hong; Jaechul Sung; Haeryong Park

doi:10.1007/978-3-642-02617-1_2

A new double-block-length hash function using feistel structure

Jesang Lee, Seokhie Hong, Jaechul Sung, Haeryong Park

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

9 Citations (Scopus)

Abstract

We propose new double-block-length hash functions. Our approach for constructing collision-resistant double-block-length hash functions is to convert a blockcipher E with n-bit block length and 2n-bit key length to a 3-round Feistel cipher E* with 2n-bit block length, and then to embed E* in PGV compression functions. We prove that 12 hash functions with the group-1 PGV compression functions in which E* is embedded are collision-resistant in the ideal cipher model. Furthermore, since our hash functions have the hash rate 2/3, they are more efficient than any other existing double-block-length hash functions in terms of the number of blockcipher calls required for processing messages.

Original language	English
Title of host publication	Advances in Information Security and Assurance - Third International Conference and Workshops, ISA 2009, Proceedings
Pages	11-20
Number of pages	10
DOIs	https://doi.org/10.1007/978-3-642-02617-1_2
Publication status	Published - 2009
Event	3rd International Conference on Information Security and Assurance, ISA 2009 - Seoul, Korea, Republic of Duration: 2009 Jun 25 → 2009 Jun 27

Publication series

Name	Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume	5576 LNCS
ISSN (Print)	0302-9743
ISSN (Electronic)	1611-3349

Other

Other	3rd International Conference on Information Security and Assurance, ISA 2009
Country/Territory	Korea, Republic of
City	Seoul
Period	09/6/25 → 09/6/27

Keywords

Block Ciphers
Double Block Length Hash Function
Hash Function

ASJC Scopus subject areas

Theoretical Computer Science
Computer Science(all)

Access to Document

10.1007/978-3-642-02617-1_2

Cite this

Lee, J., Hong, S., Sung, J., & Park, H. (2009). A new double-block-length hash function using feistel structure. In Advances in Information Security and Assurance - Third International Conference and Workshops, ISA 2009, Proceedings (pp. 11-20). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 5576 LNCS). https://doi.org/10.1007/978-3-642-02617-1_2

A new double-block-length hash function using feistel structure. / Lee, Jesang; Hong, Seokhie; Sung, Jaechul et al.
Advances in Information Security and Assurance - Third International Conference and Workshops, ISA 2009, Proceedings. 2009. p. 11-20 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 5576 LNCS).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lee, J, Hong, S, Sung, J & Park, H 2009, A new double-block-length hash function using feistel structure. in Advances in Information Security and Assurance - Third International Conference and Workshops, ISA 2009, Proceedings. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), vol. 5576 LNCS, pp. 11-20, 3rd International Conference on Information Security and Assurance, ISA 2009, Seoul, Korea, Republic of, 09/6/25. https://doi.org/10.1007/978-3-642-02617-1_2

Lee J, Hong S, Sung J, Park H. A new double-block-length hash function using feistel structure. In Advances in Information Security and Assurance - Third International Conference and Workshops, ISA 2009, Proceedings. 2009. p. 11-20. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)). doi: 10.1007/978-3-642-02617-1_2

Lee, Jesang ; Hong, Seokhie ; Sung, Jaechul et al. / A new double-block-length hash function using feistel structure. Advances in Information Security and Assurance - Third International Conference and Workshops, ISA 2009, Proceedings. 2009. pp. 11-20 (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)).

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abstract = "We propose new double-block-length hash functions. Our approach for constructing collision-resistant double-block-length hash functions is to convert a blockcipher E with n-bit block length and 2n-bit key length to a 3-round Feistel cipher E* with 2n-bit block length, and then to embed E* in PGV compression functions. We prove that 12 hash functions with the group-1 PGV compression functions in which E* is embedded are collision-resistant in the ideal cipher model. Furthermore, since our hash functions have the hash rate 2/3, they are more efficient than any other existing double-block-length hash functions in terms of the number of blockcipher calls required for processing messages.",

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AB - We propose new double-block-length hash functions. Our approach for constructing collision-resistant double-block-length hash functions is to convert a blockcipher E with n-bit block length and 2n-bit key length to a 3-round Feistel cipher E* with 2n-bit block length, and then to embed E* in PGV compression functions. We prove that 12 hash functions with the group-1 PGV compression functions in which E* is embedded are collision-resistant in the ideal cipher model. Furthermore, since our hash functions have the hash rate 2/3, they are more efficient than any other existing double-block-length hash functions in terms of the number of blockcipher calls required for processing messages.

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A new double-block-length hash function using feistel structure

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Keywords

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