Cubify 3d printer video2/13/2023 (The above is sarcasm but I suspect that it wouldn't exactly be rocket-surgery to implement such a system in the real world.) If a printer attempts to validate a previously validated cartridge key, or reports the consumption of filament with the same Enciphered Consumable Subsection String more than once, your printer will fail Cubify Genuine Advantage. Each cartridge's key is reported to the Consumable License Activation Server upon first installation, and each Enciphered Consumable Subsection String is reported as consumed when it first passes through the optical-verification path. If the optical-verification scanner in the filament feed path encounters a missing section, or a section not signed with the private key corresponding to the public key QR-coded on the filament cartridge, it won't continue printing, now will it?Īnd don't even think about a replay atttack. Oh, you can refill the cartridge but does your filament have the correct cryptographically-signed-and-timestamped anti-tamper code printed along its entire length?
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