Despite the power and features of cloud computing, concerns about its security and cloud key management remain huge obstacles to its widespread adoption. Enterprise and small businesses are taking to cloud computing but with better security features, cloud could become more popular.Cloud key management may be addressed through three methods – use encryption provided by the cloud service provider, give the encryption keys to a third party and implement a key management server in the physical data center. Each one of these methods has its own pros and cons.
Managing keys in a public cloud needs the support of cloud specific technology. One such technology is split key management. The concept is being talked about by Porticor and it works simply by splitting the key between this company and the client. The keys are encrypted by the customer’s key and Porticor does have half keys but cannot read the same because of the encryption.
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