Results 41 to 50 of about 153,790 (328)
An improved NFC device authentication protocol.
Aimed at the security authentication problem between Near Field Communication (NFC) devices, this paper uses the technology of asymmetric encryption algorithm, symmetric encryption algorithm, hash function, timestamp and survival period to improve the ...
He-Jun Lu, Dui Liu
doaj +1 more source
Chameleon: a Blind Double Trapdoor Hash Function for Securing AMI Data Aggregation [PDF]
Data aggregation is an integral part of Advanced Metering Infrastructure (AMI) deployment that is implemented by the concentrator. Data aggregation reduces the number of transmissions, thereby reducing communication costs and increasing the bandwidth ...
Keoh, Sye Loong +5 more
core +1 more source
Galois Field-Based Image Encryption for Remote Transmission of Tumor Ultrasound Images
The remote transmission of tumor ultrasound images is an important link in telemedicine. Based on the Galois field (GF), this paper proposes an encryption algorithm that ensures the security of tumor ultrasound images (TUIs) during the transmission ...
Nan Wang +6 more
doaj +1 more source
Fuzzy Extractors: How to Generate Strong Keys from Biometrics and Other Noisy Data [PDF]
We provide formal definitions and efficient secure techniques for - turning noisy information into keys usable for any cryptographic application, and, in particular, - reliably and securely authenticating biometric data.
Adam Smith +5 more
core +3 more sources
Secure agent data integrity shield [PDF]
In the rapidly expanding field of E-Commerce, mobile agent is the emerging technology that addresses the requirement of intelligent filtering/processing of information. This paper will address the area of mobile agent data integrity protection.
Borselius +15 more
core +1 more source
Fast hash functions and convolution product
We propose a new simple and efficient family of hash functions based on matrix-vector multiplications with a competitive software implementation. The hash design combines a hard mathematical problem based on solving a system of linear equations with ...
Omar Sami, Sabri Houssem
doaj +1 more source
A Large-Scale Secure Image Retrieval Method in Cloud Environment
With the rapid development of cloud computing technology, more and more users choose to outsource image data to clouds. To protect data's confidentiality, images need to be encrypted before being outsourced to clouds, but this brings difficulties to some
Yanyan Xu, Xiao Zhao, Jiaying Gong
doaj +1 more source
A Hybrid Domain Image Encryption Algorithm Based on Improved Henon Map
A hybrid domain image encryption algorithm is developed by integrating with improved Henon map, integer wavelet transform (IWT), bit-plane decomposition, and deoxyribonucleic acid (DNA) sequence operations. First, we improve the classical two-dimensional
Yong Chen, Shucui Xie, Jianzhong Zhang
doaj +1 more source
Quantum attacks on Bitcoin, and how to protect against them [PDF]
The key cryptographic protocols used to secure the internet and financial transactions of today are all susceptible to attack by the development of a sufficiently large quantum computer.
Aggarwal, Divesh +4 more
core +3 more sources
The digital signature generation process begins with the creation of a public key and a private key. A public key is generated and published to verify the signature and calculate the hash value of the received document.
Asep Saepulrohman, Agus Ismangil
doaj +1 more source

