Paper 2016/065 Original: eprint.iacr.org/2016/065 ↗

A note on Tensor Simple Matrix Encryption Scheme

Yasufumi Hashimoto
Abstract

The simple matrix encryption scheme (Tao-Diene-Tang-Ding, PQCrypto 2013) has a problem of decryption failures. Quite recently, Petzoldt-Ding-Wang (http://eprint.iacr.org/2016/010) proposed a new version of this scheme called the tensor simple matrix encryption scheme to remove decryption failures by using a tensor product of two small matrices as its secret key. However, it is much weaker than the original scheme. In this note, we show that the tensor simple matrix encryption scheme is equivalent to a weak version of the original simple matrix encryption scheme.

Metadata
Available format(s)
PDF
Category
Public-key cryptography
Publication info
Preprint.
History
2016-01-25: last updated
2016-01-25: published
Short URL
https://ia.cr/2016/065
License
https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2016/065,
      author = {Yasufumi Hashimoto},
      title = {A note on Tensor Simple Matrix Encryption Scheme},
      howpublished = {Cryptology {ePrint} Archive, Paper 2016/065},
      year = {2016},
      url = {https://eprint.iacr.org/2016/065}
}
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