Coldkey – Post-quantum age key generation and paper backup tool(github.com)
github.com
Coldkey – Post-quantum age key generation and paper backup tool
https://github.com/pike00/coldkey
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CLI tool that generates ML-KEM-768 + X25519 hybrid age keys and produces single-page printable HTML backups with QR codes. Designed for SOPS disaster recovery. Runs in a hardened Docker container (no network, read-only fs, no capabilities, distroless image). Written in Go.