Results 51 to 60 of about 18,370 (323)
HRA-Secure Homomorphic Lattice-Based Proxy Re-Encryption with Tight Security
IACR Cryptology ePrint ArchiveWe construct an efficient proxy re-encryption (PRE) scheme secure against honest re-encryption attacks (HRA-secure) with precise concrete security estimates.
Aloni Cohen +5 more
semanticscholar +1 more source
Addressing leakage of re-encryption key in proxy re-encryption using trusted computing [PDF]
, 2011 Proxy re-encryption is a cryptographic primitive enabling a proxy holding a re-encryption key to convert a ciphertext originally intended for Alice (delegator) into an encryption of the same message for Bob (delegatee).
Yanjiang Yang +5 more
core +1 more source
On the Security of a Conditional Proxy Re-Encryption
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, 2009 To enable fine-grained delegations for proxy re-encryption systems, in AsiaCCS'09, Weng et al.'s introduced the concept of conditional proxy re-encryption (C-PRE), in which the proxy can convert a ciphertext only if a specified condition is satisfied. Weng et al.
ZHANG, Xi, CHEN, Min-Rong
openaire +1 more source
Resplittable threshold multi-broker proxy re-encryption scheme from lattices
Tongxin xuebao, 2017 Two different encryption schemes and Lagrange polynomial were used to construct a resplittable threshold multi-broker proxy re-encryption scheme on the lattice,namely the encryption in the ciphertext input and output side was different from the ...
Ju-yan LI, Chun-guang MA, Qian ZHAO
doaj +2 more sources
Spatial biology in cancer epigenetics
Molecular Oncology, EarlyView.Spatial epigenomics combines molecular profiling with tissue architecture to reveal how gene regulation is organized within intact tissues. In cancer, these technologies uncover the mechanisms driving tumor heterogeneity and microenvironmental interactions, opening new opportunities for biomarker discovery and precision medicine.
Eva Crespo‐García, Manel Esteller
wiley +1 more source
CCA-Secure Proxy Re-encryption without Pairings [PDF]
, 2009 In a proxy re-encryption scheme, a semi-trusted proxy can transform a ciphertext under Alice\u27s public key into another ciphertext that Bob can decrypt. However, the proxy cannot access the plaintext.
Zhenfu Cao, Jun Shao
core +1 more source
A Blockchain-Based Efficient and Verifiable Attribute-Based Proxy Re-Encryption Cloud Sharing Scheme
Information, 2023 When choosing a third-party cloud storage platform, the confidentiality of data should be the primary concern. To address the issue of one-to-many access control during data sharing, it is important to encrypt data with an access policy that enables fine-
Tao Feng, Dewei Wang, Renbin Gong
doaj +1 more source
Proxy Re-encryption from Lattices [PDF]
, 2014 We propose a new unidirectional proxy re-encryption scheme based on the hardness of the LWE problem. Our construction is collusionsafe and does not require any trusted authority for the re-encryption key generation. We extend a recent trapdoor definition for a lattice of Micciancio and Peikert. Our proxy re-encryption scheme is provably CCA-1 secure in
openaire +1 more source
FEBS Open Bio, EarlyView.Activation of the mitochondrial protein OXR1 increases pSyn129 αSynuclein aggregation by lowering ATP levels and altering mitochondrial membrane potential, particularly in response to MSA‐derived fibrils. In contrast, ablation of the ER protein EMC4 enhances autophagic flux and lysosomal clearance, broadly reducing α‐synuclein aggregates.
Sandesh Neupane +11 more
wiley +1 more source
Proxy Re-Encryption Scheme for Decentralized Storage Networks
Applied Sciences, 2022 Storage is a promising application for permission-less blockchains. Before blockchain, cloud storage was hosted by a trusted service provider. The centralized system controls the permission of the data access. In web3, users own their data.
Jia Kan, Jie Zhang, Dawei Liu, Xin Huang
doaj +1 more source