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Learning AWS - Second Edition by Amit Shah, Aurobindo Sarkar

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Using the AWS Key Management Service

We all have used encrypted data in some application or other, and the biggest challenge has always been how to effectively hide the encryption key, the key with which the data is encrypted within the application or the OS using different mechanisms. In the end, there will always be a key that will be in clear text, which will unlock other keys or the encrypted data. This is just for a single application. Now imagine if you have dozens of applications running on the cloud. The challenge of key distribution and the effort to keep the key secret multiplies exponentially.

With KMS, the master key is never released, enabling you to encrypt and decrypt data. AWS Key Management Service manages the following issues: ...

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