HQC Beyond the Standard: Ciphertext Compression and Refined DFR Analysis

Sebastian Bitzer, Jean-Christophe Deneuville, Emma Munisamy, Bharath Purtipli, Stefan Ritterhoff, Antonia Wachter-Zeh. HQC Beyond the Standard: Ciphertext Compression and Refined DFR Analysis. In Joan Daemen, Emmanuel Thomé, editors, Advances in Cryptology - EUROCRYPT 2026 - 45th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Rome, Italy, May 10-14, 2026, Proceedings, Part VI. Volume 16546 of Lecture Notes in Computer Science, pages 544-574, Springer, 2026. [doi]

Authors

Sebastian Bitzer

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Jean-Christophe Deneuville

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Emma Munisamy

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Bharath Purtipli

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Stefan Ritterhoff

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Antonia Wachter-Zeh

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