Paper 2009/110 Original: eprint.iacr.org/2009/110 ↗

On the Security of Stream Cipher CryptMT v3

Haina Zhang
Xiaoyun Wang
Abstract

CryptMT v3 is a stream cipher submitted to eStream project, and has entered the third evaluation phase. Any attack has not been found until now. In this paper, we mainly discuss the security of the state initialization process of CryptMT v3. For the key and IV setup function $f_K$, we can construct a probabilistic testing algorithm $A^{f_K}$ with a distinguishing probability 1, which indicates that for each key $K$, $f_K$ is a non-PRF. However, we have not found any non-randomness about the keystream output.

Metadata
Available format(s)
PDF
Category
Secret-key cryptography
Publication info
Preprint.
History
2009-03-11: last updated
2009-03-11: published
Short URL
https://ia.cr/2009/110
License
https://creativecommons.org/licenses/by/4.0/

BibTeX

@misc{cryptoeprint:2009/110,
      author = {Haina Zhang and Xiaoyun Wang},
      title = {On the Security of  Stream Cipher CryptMT v3},
      howpublished = {Cryptology {ePrint} Archive, Paper 2009/110},
      year = {2009},
      url = {https://eprint.iacr.org/2009/110}
}
Note: In order to protect the privacy of readers, this archive does not use cookies or embedded third party content.