Secure attribute-based signature scheme with multiple authorities for blockchain in electronic health records systems

R Guo, H Shi, Q Zhao, D Zheng - IEEE access, 2018 - ieeexplore.ieee.org
Electronic Health Records (EHRs) are entirely controlled by hospitals instead of patients,
which complicates seeking medical advices from different hospitals. Patients face a critical …

A survey on attribute-based signatures

PSK Oberko, VHKS Obeng, H Xiong… - Journal of Systems …, 2022 - Elsevier
Abstract Attribute-Based Signature (ABS), where messages are signed concerning a signing
strategy conveyed as predicates, provides a necessary platform for implementing fine …

Efficient attribute based server-aided verification signature

Y Chen, J Li, C Liu, J Han, Y Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Attribute based signature (ABS) is a novel cryptographic primitive, which permits users to
sign a message over attributes without revealing other information. A signature only reveals …

Security for Electronic Health Record Based on Attribute using Block-Chain Technology

S Patil - Journal of Scientific Research and Technology, 2023 - jsrtjournal.com
Blockchain in medical care upgrades widely inclusive security of patient's clinical records,
settle the issues and empowers secure interoperability between medical care associations …

Efficient attribute-based signature with collusion resistance for internet of vehicles

B Chen, T Xiang, X Li, M Zhang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Internet of Vehicles (IoV) realizes information interaction between vehicles and all
networked entities, and the heterogeneous, openness, and diversity make it suffer from …

Group signatures without NIZK: from lattices in the standard model

S Katsumata, S Yamada - … in Cryptology–EUROCRYPT 2019: 38th Annual …, 2019 - Springer
In a group signature scheme, users can anonymously sign messages on behalf of the group
they belong to, yet it is possible to trace the signer when needed. Since the first proposal of …

An equivalence between attribute-based signatures and homomorphic signatures, and new constructions for both

R Tsabary - Theory of Cryptography Conference, 2017 - Springer
Abstract In Attribute-Based Signatures (ABS; first defined by Maji, Prabhakaran and Rosulek,
CT-RSA 2011) an authority can generate multiple signing keys, where each key is …

Attribute-based signatures for unbounded circuits in the ROM and efficient instantiations from lattices

A El Kaafarani, S Katsumata - Public-Key Cryptography–PKC 2018: 21st …, 2018 - Springer
Abstract Attribute-based signature (ABS), originally introduced by Maji et al.(CT-RSA'11),
represents an essential mechanism to allow for fine-grained authentication. A user …

Efficient attribute-based signatures for unbounded arithmetic branching programs

P Datta, T Okamoto, K Takashima - IACR International Workshop on …, 2019 - Springer
This paper presents the first attribute-based signature (ABS) scheme in which the
correspondence between signers and signatures is captured in an arithmetic model of …

Multi-key homomorphic signatures unforgeable under insider corruption

RWF Lai, RKH Tai, HWH Wong, SSM Chow - International Conference on …, 2018 - Springer
Homomorphic signatures (HS) allows the derivation of the signature of the message-function
pair (m, g), where m= g (m_1, ..., m_K), given the signatures of each of the input messages …