Cryptographic Security & IP Watermarking for Defense Industrial Supply Chains
The Defense CAD IP Leakage Crisis
Every year, billions of dollars in critical weapon system geometry (F-35 components, hypersonic airfoils, missile guidance gimbals) leak through sub-tier CNC machine shops and overseas casting vendors.
Legacy DRM tools require proprietary viewers or convert CAD into locked binaries that break automated CNC toolpaths and CAM software.
The ISO 10303-21 Solution
MilCAD-Shield injects an HMAC-SHA256 tracking token directly into the standardized HEADER; block of native STEP files.
Zero CAM Disruption: The DATA; section remains 100% byte-for-byte untouched, preserving sub-micron mathematical precision while guaranteeing chain-of-custody.
Mathematical Coordinate Hashing Against Reverse-Engineering
The Dual-Hash Security Stamp
The injected security token seals both supplier identity and an immutable SHA-256 fingerprint of the raw geometry:
If an untrusted vendor modifies even a single float coordinate (e.g. changing 45.289124 to 45.289999 to hide a design change), the gateway flags GEOMETRY_TAMPERED instantly.
CMMC 2.0 & ITAR Compliance
Fulfills NIST SP 800-171 / CMMC Level 3 mandates for Controlled Unclassified Information (CUI) export provenance.
Enables defense primes to trace leaked physical parts or digital STEP files back to the exact supplier CAGE code that received the file.