The Key Authority - Secure Key Management in Hierarchical Public Key Infrastructures

摘要: We model a private key’s life cycle as finite state machine. The states are the phases of and transition functions describe tasks to be done with key. Based on this we define key authority, trust center module, which potentiates easy enforcement secure management keys in hierarchical public infrastructures. This is by assembling all concerning crucial handling within one centralized module. As module resides under full control center’s carrier it can easily protected well-known organizational technical measures.