This is a compact implementation of AES-256 in C. It uses only a byte type and is portable enough to fit even an 8-bit computer. It also has a small memory footprint because S-box operations use ...

Secure communication is essential in modern embedded systems, particularly in distributed and IoT applications. This article presents a practical implementation of encrypted message exchange between ...

Key recovery attack on SPN ciphers such as AES is NP hard in complexity. Previous studies have estimated the quantum resources required for implementing Grover’s key search for AES, but these are ...

We describe the foundation of PETRIC, an image reconstruction challenge to minimise the computational runtime of related algorithms for Positron Emission Tomography (PET). Although several similar ...

Implementation of ITU-R BS.1770-4. Allows control over gating block size and frequency weighting filters for additional control. For full details on the implementation see our paper with a summary in ...

This week I audited three enterprise systems. All three claimed "AES-256 encryption for data at rest." All three were broken. Two used ECB mode (preserves patterns—completely broken for anything but ...

AI agents used in e-commerce necessitates secure payment protocols capable of handling high-determinism user authorization, agent authentication, and non-repudiable accountability. The Agent Payments ...

Secure coding refers to the practice of writing source code for software applications in a manner that actively prevents the introduction of security vulnerabilities. It is a proactive approach ...

Security in e-healthcare applications such as Telemedicine is crucial in safeguarding patients’ sensitive data during transmission. The proposed system measures the patient’s health parameters, such ...

Cryptography is the cornerstone of secure digital interactions, safeguarding sensitive data and communications in an increasingly interconnected world. From securing online transactions to protecting ...