Decentralizing inner-product functional encryption
Multi-client functional encryption (MCFE) is a more flexible variant of functional encryption
whose functional decryption involves multiple ciphertexts from different parties. Each party …
whose functional decryption involves multiple ciphertexts from different parties. Each party …
Robust Decentralized Multi-client Functional Encryption: Motivation, Definition, and Inner-Product Constructions
Abstract Decentralized Multi-Client Functional Encryption (DMCFE) is a multi-user extension
of Functional Encryption (FE) without relying on a trusted third party. However, a …
of Functional Encryption (FE) without relying on a trusted third party. However, a …
Functional broadcast encryption with applications to data sharing for cloud storage
H Wang, Y Zhang, K Chen, G Sui, Y Zhao, X Huang - Information Sciences, 2019 - Elsevier
Cloud storage services provide data owners an efficient and flexible way to share data.
Among the shared data, some of them are very sensitive, and should be prevented for any …
Among the shared data, some of them are very sensitive, and should be prevented for any …
Multi-client functional encryption for separable functions
In this work, we provide a compiler that transforms a single-input functional encryption
scheme for the class of polynomially bounded circuits into a multi-client functional encryption …
scheme for the class of polynomially bounded circuits into a multi-client functional encryption …
Functional Message Authentication Codes With Message and Function Privacy
P Li, M Liu, Y Shang - IET Information Security, 2024 - Wiley Online Library
Functional signatures were allowed anyone to sign any messages in the range of function f,
who possesses the secret key skf. However, the existing construction does not satisfy the …
who possesses the secret key skf. However, the existing construction does not satisfy the …
Function-private conditional disclosure of secrets and multi-evaluation threshold distributed point functions
N Miranda, FY Yeo, VS Sehrawat - … 2021, Vienna, Austria, December 13-15 …, 2021 - Springer
Conditional disclosure of secrets (CDS) allows multiple parties to reveal a secret to a third
party if and only if some pre-decided condition is satisfied. In this work, we bolster the …
party if and only if some pre-decided condition is satisfied. In this work, we bolster the …
Distributed functional signature with function privacy and its application
M Liu, L Wang, Q Wu, J Song - Security and Communication …, 2021 - Wiley Online Library
We introduce a novel notion of distributed functional signature. In such a signature scheme,
the signing key for function f will be split into n shares sk fi and distributed to different parties …
the signing key for function f will be split into n shares sk fi and distributed to different parties …
2-step multi-client quadratic functional encryption from decentralized function-hiding inner-product
M Abdalla, D Pointcheval, A Soleimanian - Cryptology ePrint Archive, 2021 - eprint.iacr.org
In this paper, we present a multi-client quadratic functional encryption (MCQFE) scheme
from function-hiding inner-product (FHIP). The main challenge in such construction is that all …
from function-hiding inner-product (FHIP). The main challenge in such construction is that all …
[PDF][PDF] Decentralizing Inner-Product Functional Encryption
M Kohlweiss, H Waldner - iacr.org
Multi-client functional encryption (MCFE) is a more flexible variant of functional encryption
whose functional decryption involves multiple ciphertexts from different parties. Each party …
whose functional decryption involves multiple ciphertexts from different parties. Each party …
Public-Key Cryptography–PKC 2021
JA Garay - Springer
The 24th International Conference on Practice and Theory of Public-Key Cryptography (PKC
2021) was held virtually over Zoom from May 10th to May 13th, 2021. It was supposed to …
2021) was held virtually over Zoom from May 10th to May 13th, 2021. It was supposed to …