When you enter the key, eChannelizer does just check a list of valid strings. Instead, it performs an offline validation routine:
"Come on," Elias whispered to the machine. "I know you’re in there." echannelizer license key work
He looked at the license.key file. It was a mess of encrypted alphanumeric strings. eChannelizer was notoriously paranoid; its licensing module didn't just check a local file; it pinged a verification server that was now returning a 404 error, causing the local service to shut down. When you enter the key, eChannelizer does just