Paper 2022/1378 Original: eprint.iacr.org/2022/1378 ↗

A Fast Hash Family for Memory Integrity

Qiming Li
Sampo Sovio
Abstract

We give a first construction of an ϵ-balanced hash family based on linear transformations of vectors in $\mathbb{F}_2$, where ϵ = 1/(2n − 1) for n-bit hash values, regardless of the message size. The parameter n is also the bit length of the input blocks and the internal state, and can be chosen arbitrarily without design changes, This hash family is fast, easily parallelized, and requires no initial setup. A secure message authentication code can be obtained by combining the hash family with a pseudo random function. These features make the hash family attractive for memory integrity protection, while allowing generic use cases.

Metadata
Available format(s)
PDF
Category
Secret-key cryptography
Publication info
Preprint.
History
2022-10-12: last updated
2022-10-12: published
Short URL
https://ia.cr/2022/1378
License
https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2022/1378,
      author = {Qiming Li and Sampo Sovio},
      title = {A Fast Hash Family for Memory Integrity},
      howpublished = {Cryptology {ePrint} Archive, Paper 2022/1378},
      year = {2022},
      url = {https://eprint.iacr.org/2022/1378}
}
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