Jan. 10, 2024, 7:48 a.m. |

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ePrint Report: X-Wing: The Hybrid KEM You’ve Been Looking For

Manuel Barbosa, Deirdre Connolly, João Diogo Duarte, Aaron Kaiser, Peter Schwabe, Karoline Varner, Bas Westerbaan


X-Wing is a hybrid key-encapsulation mechanism based on X25519 and ML-KEM-768. It is designed to be the sensible choice for most applications. The concrete choice of X25519 and ML-KEM-768 allows X-Wing to achieve improved efficiency compared to using a generic combiner. In this paper, we introduce the X-Wing construction and provide a proof of security. …

aaron applications bas concrete eprint report hybrid kaiser key mechanism peter report

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