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- Article name
- Post-quantum digital signature algorithm with doubled verification equation
- Authors
- Moldovyan A. A., , maa1305@yandex.ru, St. Petersburg Electrotechnical Univeristy "LETI", St.-Petersburg, Russia
- Keywords
- information security / post-quantum cryptography / digital signature / finite associative algebra / non-commutative algebra / hidden group
- Year
- 2023 Issue 2 Pages 54 - 60
- Code EDN
- FMWOTT
- Code DOI
- 10.52190/2073-2600_2023_2_54
- Abstract
- The developed digital signature algorithm with a hidden group and a doubled verification equation, based on the computational difficulty of solving systems of many quadratic equations with many unknowns, is presented. Finite non-commutative associative algebras are used as the carrier of the algorithm. Two types of attacks on the proposed algorithm are considered and taken into account for security evaluation of the algorithm for various values of the dimension of the algebraic carrier. Due to the relatively small sizes of the public key and signature, the considered algorithm is of interest as a practical post-quantum crypto scheme.
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