Digitale Signatur ist mehr als ein Tool – sie ist eine Entscheidungsplattform. Der Punkt, an dem Verantwortung, Haftung und regulatorische Relevanz greifen. Seit über 10 Jahren beschäftige ich mich mit

Reportedly, researchers from Eclypsium have discovered how a problem in peripheral devices can risk the security of entire systems. Specifically, they found that unsigned firmware in peripheral devices

전자서명은 문서에 찍는 인감이나 서명을 네트워크상에서 실현하는 기술을 말합니다. 전자서명은 보안성이 뛰어나 서명의 내용과 서명자의 신원을 위변조의 걱정없이 확인할 수 있습니다. 최근에는 전자서명에 블록체인을 결합하고 생체 인증을 도입하는 기술이 등장해 영역을 넓혀가고 있습니다. ⓒgettyimagesbank 전자서명이란? 전자서명은 네트워크상에 발급되는 인감이나

Not much time has passed since we came to know about a critical vulnerability in PGP. The popular email encryption tool failed to hide encrypted messages. Once again, researchers have discovered a bug

Before learning blockchain technology, it is inevitable to learn about hash function. A cryptographic hash function is a mathematical function. A hash function can take any string as input, absolutely

This post is about digital signatures and why they are useful. Firstly, some basics about public key encryption. When I talk about messages this can be any kind of content, e.g. text, images, audio files.