Multiparty fully homomorphic encryption (MFHE) schemes enable multiple parties to efficiently compute functions on their sensitive data while retaining confidentiality. However …
Threshold signatures improve both availability and security of digital signatures by splitting the signing key into N shares handed out to different parties. Later on, any subset of at least …
T Espitau, S Katsumata, K Takemure - Annual International Cryptology …, 2024 - Springer
Threshold signatures have recently seen a renewed interest due to applications in cryptocurrency while NIST has released a call for multi-party threshold schemes, with a …
Multiparty homomorphic encryption (MHE) enables a group of parties to encrypt data in a way that (i) enables the evaluation of functions directly over its ciphertexts and (ii) enforces a …
AG Sébert, M Checri, O Stan, R Sirdey… - 2023 20th Annual …, 2023 - ieeexplore.ieee.org
Recent works have investigated the relevance and practicality of using techniques such as Differential Privacy (DP) or Homomorphic Encryption (HE) to strengthen training data privacy …
J Katz - Annual International Cryptology Conference, 2024 - Springer
Protocols for distributed (threshold) key generation (DKG) in the discrete-logarithm setting have received a tremendous amount of attention in the past few years. Several synchronous …
D Micciancio, A Suhl - Cryptology ePrint Archive, 2023 - eprint.iacr.org
In LWE based cryptosystems, using small (polynomially large) ciphertext modulus improves both efficiency and security. In threshold encryption, one often needs" simulation security" …
Y Sugizaki, H Tsuchida, T Hayashi, K Nuida… - … on Research in …, 2023 - Springer
Fully homomorphic encryption (FHE) enables arithmetic operations to be performed over plaintext by operations on undecrypted ciphertext. The Chillotti-Gama-Georgieva …