TOR-PRINT-ED-SIGN(1)

💖 TOR-PRINT-ED-SIGNING-CERT 💖

okay bestie, so this one lives in the Tor Manual section 1 (that's the "user commands" girlies, iykyk), and it's genuinely one of the most lowkey-useful little tools in the whole relay operator kit. tor-print-ed-signing-cert — say it with your chest.

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✨ NAME ✨

tor-print-ed-signing-cert — print expiration date of ed25519 signing certificate

like. that's the whole gig. it prints the expiration date. and it does it flawlessly. 💅

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🎀 SYNOPSIS 🎀

tor-print-ed-signing-cert <path to ed25519_signing_cert file>

one argument. one path. no notes. 🫶

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🦋 DESCRIPTION 🦋

okay so picture this: you're a Tor relay operator (iconic, main character energy, love that for you) and you just wanna know when your ed25519 signing certificate is gonna expire so it doesn't just... die on you mid-shift 😭

that's literally what tor-print-ed-signing-cert is for. it's a utility program for Tor relay operators to check the expiration date of the ed25519 signing certificate. it's small, it's focused, it does one thing and it ate. no cap.

and the way it serves you the answer?? it prints that expiration date in three different formats, because one is simply not enough when you're that good:

• Human-readable timestamp — localized to your current timezone, so it reads like a normal human said it out loud 🌸
• RFC 1123 timestamp — served up at GMT timezone, for when you need the standardized girlie format ✨
• Unix time value</$> — the raw number, the no-makeup-no-filter version, for scripts and spreadsheets and the unwell 💀

three formats, one command, zero drama. periodt. 👑

ngl, this is the tool you run before the cert expires, not after. catching it early is the whole vibe check. 🙈

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🌈 SEE ALSO 🌈

• tor(1) — the whole entire main event, the mothership, the blueprint 🚀
• https://spec.torproject.org/cert-spec — the cert spec, for when you wanna go full academic weapon and read the source of truth 📚

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💜 AUTHOR 💜

Tor Project, Inc. Author.

(shoutout to the actual authors. legends. icons. they built the whole thing. 🫶)

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and that's the tea, bestie! this page came to you from the Tor peeps, dated 10/28/2026, and yeah — it's TOR-PRINT-ED-SIGNING-CERT(1) all the way down. go check that cert expiration date, queen. your relay is counting on you. 🎀✨💖