#ecdsa

Every article tagged #ecdsa, across topics.

2 articlesLatest 23 Oct 2026

23 Oct 2026

eMudhra's CA keys were numbers below 256. Why that breaks P-384, what the emSign ECC G3 distrust breaks, and how to replace affected certificates.

18 Oct 2026

The NIST P-256 seed came from lrand48 and a 1997 timestamp. Rebuild it in Python and C, and see what it means for the ECDSA keys you use.

#ecdsa articles