SECRET KEY GENERATING SYSTEM

摘要

PURPOSE: A secret key generating system is provided to safely generate a secret key. CONSTITUTION: A secret key is generated on a plurality of servers cooperate with the servers. The secret key is generated based on a random number generated by the plurality of servers. A period of system is preserved by exchanging the random numbers among two and more servers. The secret key for a new public key is computed by a secret key of the individual server. The sever periodically updates the secret key.