[Resource Topic] 2021/439: Recovering the Key from the Internal State of Grain-128AEAD

Welcome to the resource topic for 2021/439

Recovering the Key from the Internal State of Grain-128AEAD

Authors: Donghoon Chang, Meltem Sonmez Turan


Grain-128AEAD is one of the second-round candidates of the NIST lightweight cryptography standardization process. There is an existing body of third-party analysis on the earlier versions of the Grain family that provide insights on the security of Grain-128AEAD. Different from the earlier versions, Grain-128AEAD reintroduces the key into the internal state during the initialization. The designers claim that internal state recovery no longer results in key recovery, due to this change. In this paper, we analyze this claim under different scenarios.

ePrint: https://eprint.iacr.org/2021/439

See all topics related to this paper.

Feel free to post resources that are related to this paper below.

Example resources include: implementations, explanation materials, talks, slides, links to previous discussions on other websites.

For more information, see the rules for Resource Topics .