Patent ID: 7734915

Claim:
A method for controlling insertion of sensitive data into devices, said method comprising: arranging a server to be communicably connectable to a controller responsible for distributing said sensitive data and equipment responsible for injecting said sensitive data into said devices, said server being located remote from said controller, and said server comprising a secure module for performing cryptographic operations; said server receiving from said controller, a cryptographically protected data transmission comprising said sensitive data; said server providing said data transmission to said secure module; said secure module extracting said sensitive data from said data transmission; said server storing a credit value provided by said controller indicative of a number of sensitive data insertions that are permitted before requesting more of said sensitive data from said controller; said server receiving a request from said equipment for said sensitive data to inject into one or more of said devices; said server referencing said credit value and providing an amount of said sensitive data to said equipment for injection into said one or more devices according to said credit value; if said amount is less than said credit value, said server updating said credit value according to said amount; said server receiving an equipment log report pertaining to the insertion of said amount of sensitive data into respective devices; and said server sending said equipment log report to said controller.