Results 21 to 30 of about 16,514 (241)

XDRBG: A Proposed Deterministic Random Bit Generator Based on Any XOF

open access: yesIACR Transactions on Symmetric Cryptology
A deterministic random bit generator (DRBG) generates pseudorandom bits from an unpredictable seed, i.e., a seed drawn from any random source with sufficient entropy.
John Kelsey   +2 more
doaj   +1 more source

Attribute-based revocable collaborative access control scheme

open access: yesTongxin xuebao, 2021
To solve the dynamic update of access rights in attribute-based collaborative access control, a novel scheme was proposed with the revocation of attribute, user and collaborative policy.A formal definition and a security model were presented, the group ...
Changgen PENG   +4 more
doaj   +2 more sources

Exploiting Hidden Information Leakages in Backward Privacy for Dynamic Searchable Symmetric Encryption

open access: yesApplied Sciences
Dynamic searchable symmetric encryption (DSSE) enables searches over encrypted data as well as data dynamics such as flexible data addition and deletion operations.
Hyundo Yoon   +4 more
doaj   +1 more source

Design of efficient anonymous identity authentication protocol for lightweight IoT devices

open access: yesTongxin xuebao, 2022
Aiming at the problem that complex security primitives in existing schemes were not suitable for resource-constrained IoT devices, a lightweight efficient anonymous identity authentication protocol for IoT devices was designed based on physical ...
Zhenyu WANG   +4 more
doaj   +2 more sources

Forward and Backward Private Searchable Encryption for Cloud-Assisted Industrial IoT

open access: yesSensors
In the cloud-assisted industrial Internet of Things (IIoT), since the cloud server is not always trusted, the leakage of data privacy becomes a critical problem. Dynamic symmetric searchable encryption (DSSE) allows for the secure retrieval of outsourced
Tianqi Peng   +7 more
doaj   +1 more source

Multi-Authority Revocable Access Control Method Based on CP-ABE in NDN

open access: yesFuture Internet, 2020
For the future of the Internet, because information-centric network (ICN) have natural advantages in terms of content distribution, mobility, and security, it is regarded as a potential solution, or even the key, to solve many current problems.
Zhijun Wu, Yun Zhang, Enzhong Xu
doaj   +1 more source

The skills required for transition to university and study in biological sciences: A student perspective

open access: yesFEBS Open Bio, EarlyView.
Bioscience students were asked for their opinions on the value and teaching of skills. 204 responded that teamwork, time management and study skills are necessary to reach University, that scientific writing, research, laboratory and presentation skills are taught effectively during their studies, while other skills are gained inherently through study ...
Janella Borrell, Susan Crennell
wiley   +1 more source

A Complete Key Management Scheme for LoRaWAN v1.1

open access: yesSensors, 2021
Security is one of the major concerns of the Internet of Things (IoT) wireless technologies. LoRaWAN is one of the emerging Low Power Wide Area Networks being developed for IoT applications.
Xingda Chen, Margaret Lech, Liuping Wang
doaj   +1 more source

Location‐Specific Hematoma Volume Predicts Early Neurological Deterioration in Supratentorial ICH

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Early neurological deterioration (END) adversely affects outcomes in patients with intracerebral hemorrhage (ICH). This study aimed to determine the location‐specific hematoma volumes for END in supratentorial ICH patients. Methods We retrospectively analyzed supratentorial ICH patients presenting from two prospective cohorts.
Zuoqiao Li   +10 more
wiley   +1 more source

JPEG Privacy and Security framework for social networking and GLAM services

open access: yesEURASIP Journal on Image and Video Processing, 2017
Current image coding standards provide limited support for privacy and security features. An exception is the JPSEC standard, which defines security extensions in JPEG 2000 specifications (part 8).
Frederik Temmermans   +6 more
doaj   +1 more source

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