Threshold Niederreiter: chosen-ciphertext security and improved distributed decoding
Threshold Niederreiter: chosen-ciphertext security and improved distributed decoding
Pascal Giorgi,Fabien Laguillaumie,Lucas Ottow,Damien Vergnaud
2026 · DOI: 10.1007/s10623-025-01795-6
Designs, Codes and Cryptography · 0 Citations
TLDR
A quantum-resistant threshold public-key encryption scheme based on the code-based Niederreiter cryptosystem that achieves security against chosen ciphertext attacks and a field-switching technique that allows to improve the multi-party computation protocol for decryption.