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- Article name
- Post-quantum algebraic digital signature algorithm with a flexible cryptographic scheme
- Authors
- Moldovyan N. A., , nmold@mail.ru, St. Petersburg Federal Research Center of the Russian Academy of Sciences (SPC RAS), St. Petersburg, Russia
- Keywords
- information security / post-quantum cryptography / public-key cryptosystems / digital signature / finite matrix algebra
- Year
- 2026 Issue 3 Pages 46 - 51
- Code EDN
- JGDOKX
- Code DOI
- 10.52190/2073-2600_2026_3_46
- Abstract
- The relevance of considering attacks using alternative cryptographic schemes associated with a fixed algebraic digital signature algorithm with hidden groups, the security of which is based on the computational complexity of solving large systems of power equations, is shown. A new algorithm of this type is proposed and its security is assessed, taking into account several alternative interpretations of its construction that preserve the digital signature verification procedure. The applicability of the proposed attack to known post-quantum algebraic digital signature algorithms is discussed.
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