The Diffie-Hellman algorithm was a stunning breakthrough in cryptography that showed cryptographic keys could be securely exchanged in plain sight. Here’s how it works. Whitfield Diffie and Martin ...

Members can download this article in PDF format. In our day-to-day lives, the use of cryptography is everywhere. For example, we use it to securely send passwords over vast networks for online ...

Secure data transmission within digital images remains a critical challenge due to vulnerabilities to key interception and steganalysis attacks. Traditional steganographic schemes often require shared ...

Cryptography is an obscure discipline. Unless you're in big tech, a university or a research organization, you're unlikely to meet its practitioners. Even then, you might have to search to find them.

Modern encryption relies on mathematical assumptions that quantum computers may soon render obsolete. This technological shift creates new ...

Classical public-key cryptography derives its security from integer factorisation. Diagram by Venus Kolhi. Quantum computers bring exponential computing power, ultrafast calculations, advanced ...

How to perform over-the-air (OTA) updates safely. Best methods for encrypting communication on a host network. Secure key sharing and asymmetric cryptography. Implementation of authentication.