Maintaining their key policies, IAM policies, and You have full control over these KMS keys, including establishing and Customer managed keys are KMS keys in your AWS account that you create, The KMS keys that you create are customer managed Information about the encryption options that an AWS service offers, see the Encryption at Rest topic in the user guide or the developer guide The visibility of an AWS managed key, or the control of a customer managed key. OtherĪWS services support all types of KMS keys to allow you the ease of an AWS owned key, Some AWS services support customer managed keys. Some AWS services encrypt your data by default withĪn AWS owned key or an AWS managed key. Per-use fee (some AWS services pay this fee for you)ĭiffer in their support for KMS keys. KMS keys that AWS servicesĬreate in your AWS account are AWS managed keys. AWS services that use KMS keys toĮncrypt your service resources often create keys for you. The KMS keys that you create are customer managed keys. Which let you encrypt data in one AWS Region and decrypt it in a different AWS Region.įor information about creating and managing KMS keys, see Managing keys.įor information about using KMS keys, see the AWS Key Management Service API Reference. Key material for a KMS key in the AWS CloudHSM cluster associated with an AWS KMS custom key store. However, you can import your own key material into a KMS key or create the Also, you cannot delete this key material you must delete the KMS key. Which you can export for use outside of AWS. The only exception is the public key of an asymmetric key pair, KMS keys, see the AWS Key Management Service API Reference.īy default, AWS KMS creates the key material for a KMS key. To use or manage your KMS keys, you must use AWS KMS.

Symmetric KMS keys and the private keys of asymmetric Most importantly, it contains a reference to the key material that is used when you run cryptographic Key usage, creation date, description, and key state. To prevent breaking changes, AWS KMS is keeping some variations of this term.Īn AWS KMS key is a logical representation of a cryptographic key.Ī KMS key contains metadata, such as the key ID, key spec, AWS KMS is replacing the term customer master key (CMK) with AWS KMS key and KMS key.

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