Dreaming of Keys: Introducing the Phantom Gradient Attack

Åvald Åslaugson Sommervoll

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Paper

Dreaming of Keys: Introducing the Phantom Gradient Attack

Topics: AI and Machine Learning for Security; Cryptographic Algorithms

In Proceedings of the 7th International Conference on Information Systems Security and Privacy ICISSP - Volume 1, 619-627, 2021

Author: Åvald Åslaugson Sommervoll

Affiliation: Institute of informatics, University of Oslo, Problemveien 7, 0315 Oslo, Norway

Keyword(s): Phantom Gradient Attack, Key Recovery, Neuro-cryptanalysis, Backpropagation, Neural Network, Replacement Function.

Abstract: We introduce a new cryptanalytical attack, the phantom gradient attack. The phantom gradient attack is a key recovery attack that draws its foundations from machine learning and backpropagation. This paper provides the first building block to a full phantom gradient attack by showing that it is effective on simple cryptographic functions. We also exemplify how the attack could be extended to attack some of ASCONs’ permutations, the cryptosystem that won CAESAR the competition for authenticated encryption: security, applicability, and robustness.

CC BY-NC-ND 4.0

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Paper citation in several formats:

Sommervoll, Å. (2021). Dreaming of Keys: Introducing the Phantom Gradient Attack. In Proceedings of the 7th International Conference on Information Systems Security and Privacy - ICISSP; ISBN 978-989-758-491-6; ISSN 2184-4356, SciTePress, pages 619-627. DOI: 10.5220/0010317806190627

@conference{icissp21,
author={Åvald Åslaugson Sommervoll.},
title={Dreaming of Keys: Introducing the Phantom Gradient Attack},
booktitle={Proceedings of the 7th International Conference on Information Systems Security and Privacy - ICISSP},
year={2021},
pages={619-627},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0010317806190627},
isbn={978-989-758-491-6},
issn={2184-4356},
}

TY - CONF

JO - Proceedings of the 7th International Conference on Information Systems Security and Privacy - ICISSP
TI - Dreaming of Keys: Introducing the Phantom Gradient Attack
SN - 978-989-758-491-6
IS - 2184-4356
AU - Sommervoll, Å.
PY - 2021
SP - 619
EP - 627
DO - 10.5220/0010317806190627
PB - SciTePress