paper-backup

Backup data using qrcode. Minimal PaperBackup solution for small to medium sized files using QR-Codes.

A simple paper backup tool for GnuPG or SSH keys

Post-quantum age key generation and paper backup tool with QR codes

A backup decryptor and OTP generator for the vault of the Aegis Authenticator Android app.

Create printable, encrypted QR backups you can recover offline without cloud services.

Android port of QuorumPony — split a secret into printable cards with Shamir's Secret Sharing; any K of N recover it. Fully offline.

Print your Bitwarden vault as a dense paper backup. Single HTML file, no dependencies, runs offline.

Encrypted paper backups: zero-dep crypto core (AES-256-GCM), CLI, and MCP server. Format spec with test vectors - your papers outlive the service.

Split a secret into printed sheets for people you trust: any k of n recover it. Shamir secret sharing over GF(2^8) with AES-256-GCM, QR codes plus hand-typeable lines with CRC-10 checks, in one offline HTML file. Built twice (TypeScript and Python) against one written format, with 364 tests and three cross-checks.

Chiffrement et sauvegarde physique sécurisée sur papier