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Creators/Authors contains: "Komlo, Chelsea"

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  1. ; ; ; ; (, Advances in Cryptology - CRYPTO 2023)
    Full Text Available 
  2. ; ; ; ; ; (, Advances in Cryptology - CRYPTO 2022 - 42nd Annual International Cryptology Conference, CRYPTO 2022, Santa Barbara, CA, USA, August 15-18, 2022, Proceedings, Part IV. Lecture Notes in Computer Science)
    Dodis, Yevgeniy; Shrimpton, Thomas (Ed.)
    We give a unified syntax, and a hierarchy of definitions of security of increasing strength, for non-interactive threshold signature schemes. These are schemes having a single-round signing protocol, possibly with one prior round of message-independent pre-processing. We fit FROST1 and BLS, which are leading practical schemes, into our hierarchy, in particular showing they meet stronger security definitions than they have been shown to meet so far. We also fit in our hierarchy a more efficient version FROST2 of FROST1 that we give. These definitions and results, for simplicity, all assume trusted key generation. Finally, we prove the security of FROST2 with key generation performed by an efficient distributed key generation protocol. 
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  3. ; ; ; ; ; (, Advances in Cryptology - CRYPTO 2022)
    Dodis, Yevgeniy; Shrimpton, Thomas (Ed.)
    Accepted Manuscript Full Text Available