Paper 2018/1191 Original: eprint.iacr.org/2018/1191 ↗

Cryptanalysis of 2-round KECCAK-384

Rajendra Kumar
Nikhil Mittal
Shashank Singh
Abstract

In this paper, we present a cryptanalysis of round reduced Keccak-384 for 2 rounds. The best known preimage attack for this variant of Keccak has the time complexity $2^{129}$. In our analysis, we find a preimage in the time complexity of $2^{89}$ and almost same memory is required.

Metadata
Available format(s)
PDF
Category
Cryptographic protocols
Publication info
Preprint.
History
2018-12-10: last updated
2018-12-10: published
Short URL
https://ia.cr/2018/1191
License
https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2018/1191,
      author = {Rajendra Kumar and Nikhil Mittal and Shashank Singh},
      title = {Cryptanalysis of 2-round KECCAK-384},
      howpublished = {Cryptology {ePrint} Archive, Paper 2018/1191},
      year = {2018},
      url = {https://eprint.iacr.org/2018/1191}
}
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