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Hyperbacked

A clone of Superbacked, written in Rust.

Basically, it stores secrets securely using printable PDFs that contain encrypted QR-Codes. The encrypted backup can optionally be sharded, so that it can be distributed across many trusted people, with only a configurable subset of shards being required to decrypt the secret.

Features

  • Written in pure, 100% safe Rust
  • Free, open-source, and auditable
  • Supports Plausible Deniability, Secret Sharing, and 256-bit AES-GCM encryption.
  • Runs on Windows, macOS, and Linux with a native GUI using iced

Encryption

An example of encrypting a secret using 2/3 secret sharing:

encrypt.mp4

Decryption

An example of decryption the secret created in the previous video, with only 2 of the 3 generated shards:

decrypt.mp4