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A QR code-based user-friendly visual cryptography scheme. [PDF]

Sci Rep, 2022
Benefiting from the development of the Internet and smart devices, it is now convenient to transmit images anywhere and anytime, which poses a new challenge for image security.
Ren L, Zhang D.
europepmc   +2 more sources

Subliminal Channels in Visual Cryptography

Cryptography, 2022
This paper describes three methods of creating a subliminal channel in visual cryptography that are defined for a (2,2) sharing scheme. They work by hiding additional covert information besides the original encrypted image.
Katarzyna Koptyra, Marek R. Ogiela
doaj   +2 more sources

Lightweight XOR-based visual cryptography using random shares for secure colour image sharing with minimal shares. [PDF]

Sci Rep
In the current digital environment, safeguarding visual data from unauthorized use remains a substantial challenge. Sensitive imagery, including biometric, medical and defence images, represents a frequent target of destructive cyberattacks.
Nujumudeen F, Mubarak DMN, Hussain T.
europepmc   +2 more sources

Secure Online Voting System using Visual Cryptography

Walailak Journal of Science and Technology, 2021
The development of a secure online voting system using visual cryptography is highly essential for present voting systems. Based on the current requirements and design aspects of an existing online voting system, emerging technologies are required in ...
Meher Gayatri Devi TIWARI, Anil Kumar KAKELLI   +1 more
doaj   +3 more sources

Cloud Data Storage Confidentiality Using Steganography and Visual Cryptography: A Review [PDF]

مجلة التربية والعلم, 2023
Cloud computing security has emerged as one of the most significant trends in the information technology (IT) sector, and it is currently widely used in that sector, particularly with the growth of information in the cloud. The security of data stored in
Asmaa Hameed, Ogr. Uye. Oquz Karan
doaj   +1 more source

A Privacy-Preserving Biometric Recognition System with Visual Cryptography

Advances in Multimedia, 2022
The popularity of more powerful and smarter digital devices has improved the quality of life and poses new challenges to the privacy protection of personal information.
Lijing Ren, Denghui Zhang
doaj   +1 more source

An optimization of color halftone visual cryptography scheme based on Bat algorithm

Journal of Intelligent Systems, 2021
Visual cryptography is a cryptographic technique that allows visual information to be encrypted so that the human optical system can perform the decryption without any cryptographic computation. The halftone visual cryptography scheme (HVCS) is a type of
Aswad Firas Mohammed, Salman Ihsan, Mostafa Salama A.   +2 more
doaj   +1 more source

Privacy Protection of Digital Images Using Watermarking and QR Code-based Visual Cryptography

Advances in Multimedia, 2023
The increase in information sharing in terms of digital images imposes threats to privacy and personal identity. Digital images can be stolen while in transfer and any kind of alteration can be done very easily. Thus, privacy protection of digital images
Akanksha Arora, Hitendra Garg, Shivendra Shivani   +2 more
doaj   +1 more source

Visual Cryptography Scheme with Essential Participants

Mathematics, 2020
Visual cryptography scheme (VCS) shares a binary secret image into multiple shadows printed on transparencies. Stacking shadows can visually decode the secret image without computational resources. Specifically, a (k, n) threshold VCS ((k, n)-VCS) shares
Peng Li, Liping Yin, Jianfeng Ma
doaj   +1 more source

Hyperchaotic technology-based efficient image encryption algorithm an overview. [PDF]

مجلة جامعة الانبار للعلوم الصرفة, 2023
Multimedia data encryption is so crucial because the multimedia encryption algorithm needs more time and memory, and it is difficult to implement. Because of this, the hyperchaotic image encryption technique is becoming more and more popular, which uses ...
Kawthar Khalaf, Ali Sagheer
doaj   +1 more source