Results 11 to 20 of about 18,370 (323)
Lattice‐based unidirectional Proxy Re‐Encryption and Proxy Re‐Encryption+ schemes [PDF]
IET Information Security, 2021 The concept of Proxy Re‐Encryption (PRE) was introduced by Blaze, Bleumer and Strauss at Eurocrypt in 1998. In this concept, a semi‐trusted proxy user acquires a re‐encryption key from the delegator.
Kunwar Singh +3 more
doaj +8 more sources
End-to-End Encrypted Message Distribution System for the Internet of Things Based on Conditional Proxy Re-Encryption [PDF]
SensorsIn light of the existing security vulnerabilities within IoT publish–subscribe systems, our study introduces an improved end-to-end encryption approach using conditional proxy re-encryption.
Shi Lin, Li Cui, Niu Ke
doaj +3 more sources
Blockchain-based proxy re-encryption access control method for biological risk privacy protection of agricultural products [PDF]
Scientific ReportsIn today’s globalized agricultural system, information leakage of agricultural biological risk factors can lead to business risks and public panic, jeopardizing corporate reputation. To solve the above problems, this study constructs a blockchain network
Shaohua Wang +5 more
doaj +3 more sources
A Lattice-Based Homomorphic Proxy Re-Encryption Scheme with Strong Anti-Collusion for Cloud Computing [PDF]
Sensors, 2021 The homomorphic proxy re-encryption scheme combines the characteristics of a homomorphic encryption scheme and proxy re-encryption scheme. The proxy can not only convert a ciphertext of the delegator into a ciphertext of the delegatee, but also can ...
Juyan Li +3 more
doaj +2 more sources
Key-Private Proxy Re-encryption [PDF]
, 2009 Proxy re-encryption (PRE) allows a proxy to convert a ciphertext encrypted under one key into an encryption of the same message under another key. The main idea is to place as little trust and reveal as little information to the proxy as necessary to allow it to perform its translations. At the very least, the proxy should not be able to learn the keys
ATENIESE, GIUSEPPE +2 more
core +7 more sources
Attribute-Based Verifiable Conditional Proxy Re-Encryption Scheme [PDF]
Entropy, 2023 There are mostly semi-honest agents in cloud computing, so agents may perform unreliable calculations during the actual execution process. In this paper, an attribute-based verifiable conditional proxy re-encryption (AB-VCPRE) scheme using a homomorphic ...
Yongli Tang +4 more
doaj +2 more sources
Revocable attribute-based proxy re-encryption [PDF]
Journal of Mathematical Cryptology, 2021 Attribute-based proxy re-encryption (ABPRE), which combines the notions of proxy re-encryption (PRE) and attribute-based encryption (ABE), allows a semi-trusted proxy with re-encryption key to transform a ciphertext under a particular access policy into ...
Luo Fucai, Al-Kuwari Saif
doaj +3 more sources
Non-transferable Proxy Re-encryption [PDF]
The Computer Journal, 2018 The traditional security notion of proxy re-encryption (PRE) focuses on preventing the proxy learning anything about the encrypted messages. However, such a basic security requirement is clearly not enough for scenarios where the proxy can collude with Bob.
Hui Guo +3 more
openaire +4 more sources
Identity-Based Proxy Re-encryption [PDF]
, 2007 In a proxy re-encryption scheme a semi-trusted proxy converts a ciphertext for Alice into a ciphertext for Bob without seeing the underlying plaintext. A number of solutions have been proposed in the public-key setting. In this paper, we address the problem of Identity-Based proxy re-encryption, where ciphertexts are transformed from one identityto ...
Matthew Green, ATENIESE, GIUSEPPE
core +7 more sources
An Improved Proxy Re-Encryption Scheme for IoT-Based Data Outsourcing Services in Clouds [PDF]
Sensors, 2020 IoT-based data outsourcing services in clouds could be regarded as a new trend in recent years, as they could reduce the hardware and software cost for enterprises and obtain higher flexibility.
Han-Yu Lin, Yao-Min Hung
doaj +2 more sources