Results 41 to 50 of about 10,355 (239)

A ciphertext-policy attribute-based proxy re-encryption scheme for data sharing in public clouds [PDF]

, 2019
Ciphertext-policy attribute-based proxy re-encryption (CP-ABPRE) extends the traditional Proxy Re-Encryption (PRE) by allowing a semi-trusted proxy to transform a ciphertext under an access policy toanother ciphertext with the same plaintext under a new ...
Liang, Kaitai, Susilo, Willy, Wong, Duncan S, Fang, Liming   +3 more
core   +3 more sources

Adaptable Ciphertext-Policy Attribute-Based Encryption

, 2014
In this paper, we introduce a new cryptographic primitive, called adaptable ciphertext-policy attribute-based encryption CP-ABE. Adaptable CP-ABE extends the traditional CP-ABE by allowing a semi-trusted proxy to modify a ciphertext under one access policy into ciphertexts of the same plaintext under any other access policies; the proxy, however ...
Junzuo Lai, Robert H. Deng, Yanjiang Yang, Jian Weng 0001   +3 more
openaire   +3 more sources

The Lord of the Shares: Combining Attribute-Based Encryption and Searchable Encryption for Flexible Data Sharing [PDF]

, 2019
Secure cloud storage is considered one of the most important issues that both businesses and end-users are considering before moving their private data to the cloud.
Michalas, A.
core   +1 more source

An Enhanced Approach for CP-ABE with Proxy Re-encryption in IoT Paradigm

Jordanian Journal of Computers and Information Technology, 2022
In Internet of Things (IoT), encryption is a technique in which plaintext is converted to ciphertext to make it non-recovered by the attacker without secret key.
Nishant Doshi
doaj   +1 more source

A Novel Multi-Qubit Quantum Key Distribution Ciphertext-Policy Attribute-Based Encryption Model to Improve Cloud Security for Consumers

IEEE transactions on consumer electronics
With the growing adoption of cloud computing, ensuring data security in cloud environments has become a critical concern for business organizations. Quantum cryptography utilizes the principles of quantum mechanics to guarantee secure communication, as ...
K. Singamaneni, G. Muhammad, Zulfiqar Ali   +2 more
semanticscholar   +1 more source

GO-CP-ABE:group-oriented ciphertext-policy attribute-based encryption [PDF]

, 2018
We introduce a variant of ciphertext-policy attribute-based encryption called group-oriented ciphertext-policy attribute-based encryption (GO-CP-ABE).
Yang Li, Tao, Xiaoling, Liu, Joseph K., Wei Wu, Wu, Wei, Li, Yang, Xiaoling Tao, Joseph K. Liu   +7 more
core   +1 more source

Insecurity of A Key-Policy Attribute Based Encryption Scheme With Equality Test

IEEE Access, 2018
Attribute-based encryption is a popular cryptographic technology to protect the privacy of clients' data in cloud computing. In order to make the scheme have the functionality of comparing ciphertext, Zhu et al. combined concepts of key-policy attributed-
Yongjian Liao, Hongjie Chen, Fagen Li, Shaoquan Jiang, Shijie Zhou, Ramadan Mohammed   +5 more
doaj   +1 more source

Secure Access Control using Ciphertext Policy Attribute-based Encryption with Performance Optimization in Cloud Computing

Journal of Cyber Security and Risk Auditing
Cipher text-Policy Attribute-Based Encryption is an access control technique widely used in cloud computing for enforcing data access policies based on attributes.
S. D. M. Satar, M. Hussin, Mohamad Afendee Mohamed, Nazirah Abd Hamid, Mohd Fadzil Abd Kadir, Roslinda Muda, Joshua Samual   +6 more
semanticscholar   +1 more source

A secured cloud‐medical data sharing with A‐BRSA and Salp ‐Ant Lion Optimisation Algorithm

CAAI Transactions on Intelligence Technology, EarlyView.
Abstract Sharing medical data among healthcare providers, researchers, and patients is crucial for efficient healthcare services. Cloud‐assisted smart healthcare (s‐healthcare) systems have made it easier to store EHRs effectively. However, the traditional encryption algorithms used to secure this data can be vulnerable to attacks if the encryption key
Adel Binbusayyis, Abed Alanazi, Shtwai Alsubai, Areej Alasiry, Mehrez Marzougui, Abdullah Alqahtani, Mohemmed Sha, Muhammad Aslam   +7 more
wiley   +1 more source

Ciphertext Policy Attribute Based Encryption for Arithmetic circuits [PDF]

, 2022
Applying access structure to encrypted sensitive data is one of the challenges in communication networks and cloud computing. Various methods have been proposed to achieve this goal, one of the most interesting of which is Attribute-Based Encryption (ABE)
Zahra Ahmadian, Mahdi Mahdavi Oliaee
core