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Paper 2021/1210
LedMAC: More Efficient Variants of LightMAC
Yaobin Shen; Lei Wang; Dawu Gu
Abstract
LightMAC is a lightweight MAC designed by Luykx et al. and recently standardized by ISO/IEC. In this paper, we refine LightMAC and suggest two simple variants called LedMAC1 and LedMAC2. Compared to LightMAC, our first scheme LedMAC1 avoids unnecessary padding without sacrificing the security. Our second scheme LedMAC2 further reduces the number of keys from two to one, and achieves the same level security as that of LightMAC.
Metadata
- Available format(s)
-
PDF
- Category
- Secret-key cryptography
- Publication info
- Preprint. MINOR revision.
- Keywords
- Lightweight cryptographyMessage authentication codeProvable security
- Contact author(s)
- yaobins180 @ gmail com,wanglei_hb @ sjtu edu cn,dwgu @ sjtu edu cn
- History
- 2021-09-17: received
- Short URL
- https://ia.cr/2021/1210
- License
-
CC BY
