Key Exchange and Management
Key management deals with the secure generation, verification, exchange, storage, and destruction of keys. It is extremely important to have secure methods of key management. Key exchange and management are often considered the most difficult part of designing a cryptosystem. Many cryptosystems have failed because of mistakes in their key management, and all modern cryptographic algorithms require key management procedures. The basic components of any key management system include (1) automated and randomized key generation, (2) key strength verification, (3) encrypted key storage, (4) secure key exchange, (5) short key lifetimes, and (6) revocation and destruction of compromised or expired keys.
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