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Teseleanu, 2023 - Google Patents

Threshold Cryptosystems Based on $2^ k $-th Power Residue Symbols

Teseleanu, 2023

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Document ID
17638734351246442938
Author
Teseleanu G
Publication year
Publication venue
Cryptology ePrint Archive

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Snippet

In this paper we introduce a novel version of the Joye-Libert cryptosystem that allows users to decrypt without knowing the factorisation of the composite modulus. Then we use our construction as a building block for a threshold decryption protocol of the homomorphic Joye …
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    • H04L9/0844Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
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    • H04L9/0833Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP] involving conference or group key
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