30 years old, today. While I was never a participant on that mailing list*, these principles have always resonated with me as I wrote, and broke, crypto systems starting with DES at that time.
*) If there's anyone else from the contemporary 'tv-crypt' list here - feel free to reach out though ;)
Image found on twitter, but the original is likely from here. Or not.
https://www.redbubble.com/i/poster/A-Cypherpunk-s-Manifesto-by-Anonymousbtb/58357215.LVTDI