Cisco utilizes a proprietary, encrypted licensing system (Smart Licensing) that connects directly to their cloud-based Smart Software Manager (SSM). Any "generator" claiming to bypass this system is a scam or a security threat. Critical Risks Malware and Ransomware
Generating Cisco licenses currently revolves around the Cisco Smart Software Manager (CSSM) Cisco Software Central Cisco License Generator
No. They prove one of three things: