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Paper 2019/724

Breaking Tweakable Enciphering Schemes using Simon's Algorithm

Sebati Ghosh and Palash Sarkar

Abstract

We show the applicability of Simon's period finding quantum algorithm to the cryptanalysis of several tweakable enciphering schemes (TESs), namely, CMC, EME, XCB, TET and FAST. For all of the five TESs, we show distinguishing attacks, while for XCB, TET and FAST, the attacks reveal portions of the secret keys.

Metadata
Available format(s)
PDF
Category
Secret-key cryptography
Publication info
Preprint. MINOR revision.
Keywords
tweakable enciphering schemeSimon's algorithm.
Contact author(s)
sebati1987 @ gmail com
palash sarkar @ gmail com
History
2021-05-21: last of 3 revisions
2019-06-18: received
See all versions
Short URL
https://ia.cr/2019/724
License
Creative Commons Attribution
CC BY
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