Client-side post-quantum hybrid encryption for cloud storage. The cryptographic core of ShieldFive.

MCP server for your end-to-end encrypted ShieldFive vault: move files off your computer into it (each copy verified before the original moves, nothing deleted), find duplicates, reclaim space and reorganise. Decrypts on your machine; access is scoped, exp

Open-source command-line client for ShieldFive: encrypt a folder on your machine and sync it to your EU-hosted vault with post-quantum hybrid encryption (ML-KEM-1024 + X25519). Read the code; it encrypts before upload.