Grep for 83, 80 and 60 Before Certificate Lifetimes Drop to 64 Days
Let's Encrypt switches to 64-day certificates by default on February 10, 2027; renewals pinned to 60, 80 or 83 days need a new offset.
cryptography
5 articles tagged “cryptography”.
Git 2.56 Hits Release Candidate, and 3.0 Hinges on GitHub
Git 2.56 adds a history-rewriting drop command and quieter ref handling, but the real question is whether 3.0 can ship without GitHub's SHA-256 support.
Fable 5.1 Apparently Cracked a 370-Year-Old Cipher in 44 Minutes
A 370-year-old cryptogram of 64 numbers, solved in 44 minutes by Fable 5.1 — with a hedge in the write-up that makes the claim worth checking.
Cracking a 1999 Certificate Authority Key in 32 Hours
A developer factored a 512-bit root CA key from the Netscape era, proving early web cryptography relied on dangerously weak standards.
The Voynich Manuscript: The Book That Has Defeated Every Decoder
A 15th-century book written in an unknown script and filled with botanical and astronomical illustrations has resisted linguists, cryptographers, and machine translation for well over a century.