Paper 2021/546
Distinguishing and Key Recovery Attacks on the Reduced-Round SNOW-V and SNOW-Vi
Jin Hoki, Takanori Isobe, Ryoma Ito, Fukang Liu, and Kosei Sakamoto
Abstract
This paper presents distinguishing and key recovery attacks on the reduced-round SNOW-V and SNOW-Vi, which are stream ciphers proposed for standard encryption schemes for the 5G mobile communication system. First, we construct a Mixed-Integer Linear Programming (MILP) model to search for integral characteristics using the division property, and find the best integral distinguisher in the 3-, 4-, 5-round SNOW-V, and 5-round SNOW-Vi with time complexities of
Metadata
- Available format(s)
-
PDF
- Category
- Secret-key cryptography
- Publication info
- Published elsewhere. Major revision. ACISP 2021
- Keywords
- SNOWStream cipher5G · Integral attackDifferential attackProbabilistic Neutral Bits (PNB)
- Contact author(s)
-
takanori isobe @ ai u-hyogo ac jp
itorym @ nict go jp - History
- 2022-01-12: last of 3 revisions
- 2021-04-27: received
- See all versions
- Short URL
- https://ia.cr/2021/546
- License
-
CC BY
BibTeX
@misc{cryptoeprint:2021/546, author = {Jin Hoki and Takanori Isobe and Ryoma Ito and Fukang Liu and Kosei Sakamoto}, title = {Distinguishing and Key Recovery Attacks on the Reduced-Round {SNOW}-V and {SNOW}-Vi}, howpublished = {Cryptology {ePrint} Archive, Paper 2021/546}, year = {2021}, url = {https://eprint.iacr.org/2021/546} }