Threat Post

Two NTP Key Authentication Vulnerabilities Patched

DHS warns of two symmetric key authentication vulnerabilities in the NTP protocol that were patched this week. NTP, the much maligned protocol abused in a number of high volume DDoS attacks a year ago ...
Ars Technica

In public key authentication, why are the private keys used with the client and not the other way around?

I'm trying to understand how public key authentication works and with tools such as ChatGPT I'm able to resolve how it works; the server keeps a tab of "authorized" public keys and uses them to ...
EDN

PRODUCT HOW-TO: Use network authentication to control & secure access & remote-feature upgrades

Networks such as Ethernet (Intranet, Internet), wireless (cell phone,WiFi), and power-line communication (PLC) each consist of a server orbase station and the nodes or network devices. Such networks ...
Design-Reuse

An Overview of Secret Key and Identity Management for System-on-Chip Architects

As data communications and applications security is increasingly a requirement for modern system designs, embedded systems architects are coming to realize that identification and authentication are a ...
Ars Technica

Crypto signature-based authentication with symmetric cipher

I had this idea. Might be a good idea, might be a terrible idea. I'm no expert on security, but I wonder if any systems have ever done this? Typically, historically, authentication databases have ...