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Let's Encrypt
Trends
- 1Signal rolls out on-device backups for iPhone and iPad●Signal on-device backups for iPhone and iPad are now available for everyone 🎉 Update to the latest version of Signal for
Signal has made encrypted on-device backups available to all users of its iOS app. Users can update to version 8.30, then enable the feature in Settings > Backups and set up a Recovery Key, which Signal warns must be stored securely and never shared. The move lets iPhone and iPad users preserve their message history locally without handing data to cloud services, a change privacy-focused users have long requested.
- 2Interactive 3D model brings the Enigma machine back to life●Show HN: A working 3D model of an Enigma machine
A developer has built a working 3D simulation of the Enigma machine, letting users operate the famous World War II German cipher device in a browser. The model reproduces the rotor mechanics and encryption behavior of the original hardware, and Hacker News readers are sharing memories of the codebreaker's history and discussing the accuracy of the simulation.
- 3NASA's APOD site serves a certificate dated in the future●`openssl s_client -4 -connect apod.nasa.gov:443` Nice cert you got there, NASA :-) ``` Certificate chain 0 s:CN=go-vip.c
A system administrator ran a TLS check against apod.nasa.gov and found the site's certificate chain shows a validity window starting in late 2026, issued via Let's Encrypt. The odd future-dated dates have drawn amused attention from tech observers, who note that such entries usually point to certificate misconfiguration or overlapping issuer logs rather than anything nefarious. NASA has not commented on the quirk.