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Let's Encrypt - Scaling Our Rate Limits to Prepare for a Billion Active Certificates

The Slow Death of OCSP

Optimal Secure Curves For ECC as of 2025?

What are the optimal secure curves for ECC? I have been using Curve25519 because of https://safecurves.cr.yp.to/ and also want to implement Curve448. BLS12_381 is another interesting one, especially for zkps.

Hell Is Overconfident Developers Writing Encryption Code

WOTS-INVERSE-STATELESS-SIGNATURE (32 byte secret key, 16x Public Keys, Post-Quantum): A Work In Progress

Why Do Some SSL/TLS Libraries Lack Support for Crypto Modules/Tokens?

I was reviewing cURL's sheet comparing TLS libraries (https://curl.se/docs/ssl-compared.html). I was surprised when I found only two supporting crypto modules/tokens following the PKCS #11 standard. Why are there so few TLS libraries supporting crypto modules/tokens operating under the PKCS #11 standard?

Would this key agreement protocol work if written properly in C?

[https://pastebin.com/MM2cvXgL](https://pastebin.com/MM2cvXgL)

Security and Privacy Conferences

Pros and Cons of Embedded TLS Libraries (e.g. WolfSSL, MbedTLS, BearSSL)

I recently noticed that TLS libraries exist that are specialized for embedded devices. Such libraries exist since other more popular TLS libraries (e.g. OpenSSL) have too large a footprint to be suitable for use in embedded devices that have low system resources. I was wondering if anyone here has first-hand …

Join us later this month on Feb 20th at 4PM CEST for an FHE.org meetup with Zeyu Liu, a PhD student at Yale University, who will be presenting "Relaxed Functional Bootstrapping: A New Perspective on BGV and BFV Bootstrapping".