CloakBin
Zero-knowledge Encrypted Pastebin
What it does
Client-side encrypted pastebin where the server literally cannot read your content. Uses AES-256-GCM encryption in your browser, with keys in URL fragments that never reach the server. Open source, self-hostable, and supports burn-after-read + expiration.
Does the same job
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- HSHidetext.sh – encrypted pastebin where the server never sees the keyJul 2026 · hidetext.sh · ▲7
Hi HN! I built hidetext.sh — a way to share text, code, and files through links the server can't read. How it works: your browser generates a random key and encrypts everything locally (NaCl secretbox, XSalsa20-Poly1305). Only ciphertext is uploaded. The key goes into the URL fragment — the part after # — which browsers never send to servers. The link carries the key, my server stores the locked box, and the two only meet in a browser. A design detail I'm fairly happy with: burn-after-read doesn't destroy the paste on the first HTTP request. The naive version means a Slack or iMessage link…
- SBStasher – Burn-after-read secrets from the CLI, no server, no trust2025 · github.com · ▲72
Stasher is a tiny CLI tool that lets you share encrypted secrets that burn after reading — no accounts, no logins, no servers to trust. I built it because I just wanted to share a password. Not spin up infra. Not register for some "secure" web app. Not trust Slack threads. Just send a secret. Secrets are encrypted client-side with AES-256-GCM. You get a `uuid:key` token to share. Once someone reads it, it's gone. If they don't read it in 10 minutes, it expires and deleted. Everything is verifiable. Every release is signed, SLSA-attested, SBOM-included, and logged in the Rekor transparency…
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