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The Software Stewardship Lab launches

The Software Stewardship Lab , a nonprofit organization based in Scotland, has announced its existence . Our current research focuses are: Software supply chain security — We're working on an…

Tech

Security updates for Friday

Security updates have been issued by AlmaLinux (compat-libtiff3, fence-agents, firefox, freerdp, frr, gimp, gstreamer1-plugins-bad-free, java-25-openjdk, kernel, kernel-rt, ldns, libgcrypt, libXfont2…

  • Multiple Linux distributions release security patches
  • Updates target compatibility libraries, web browsers, network tools
  • Kernel updates provided by several distributions

Tech

Ed25519 vs ECDSA: Why the Nonce Decides Everything

ECDSA and Ed25519 both sign data with elliptic curves, and both produce a 64-byte signature that verifies in a fraction of a millisecond.

  • ECDSA and Ed25519 use elliptic curves for data signing with 64-byte signatures.
  • Ed25519 automatically computes unique nonce, unlike ECDSA's random k per signature.
  • Sony's PS3 and Android's SecureRandom failures highlight nonce's critical role in ECDSA security.

Tech

Cloudflare for Developers: What It's Great At, Where It Bites, and How to Actually Use It

Cloudflare is best understood not as "a CDN" but as a programmable network that sits between your users and your origin, plus a growing platform for running code and storing data at the edge.

  • Cloudflare offers free TLS, CDN, DNS, and serverless runtime for developers
  • Workers runtime lacks Node.js support and has CPU time limits
  • Cloudflare's generous free tier simplifies site setup with minimal configuration
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