![]() ![]() You don't have toĬreate or maintain the key or its key policy, and there's never a monthly fee for an That protects your resources, an AWS managed key is a good choice. In general, unless you are required to control the encryption key Some AWS services let you choose an AWS managed key or a customer managed key to protect your That are created, managed, and used on your behalf by an AWS service integrated with AWS KMS. AWS managed keysĪWS managed keys are KMS keys in your account ![]() Forĭetails, see AWS Key Management Service Pricing and Quotas. TheyĪre counted against the AWS KMS quotas for your account. With AWS KMS let you specify a customer managed key to protect the data stored and managed forĬustomer managed keys incur a monthly fee and a fee for use in excess of the free tier. In addition, many AWS services that integrate You can use your customer managed key in cryptographic operations and audit usage in AWS CloudTrail The value of the KeyManager field of the DescribeKey response is To definitively identify a customer managed key, use the DescribeKey operation. Grants, enabling and disabling them, rotating their cryptographic material, adding tags, creatingĪliases that refer to the KMS keys, and schedulingĬustomer managed keys appear on the Customer managed keys page of the AWS Management Consoleįor AWS KMS. 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 For detailed informationĪbout the encryption options that an AWS service offers, see the Encryption at Rest topic in the user guide or the developer guide for the Visibility of an AWS managed key, or the control of a customer managed key. Services support all types of KMS keys to allow you the ease of an AWS owned key, the Some AWS services support customer managed keys. Some AWS services encrypt your data by default with anĪWS owned key or an AWS managed key. Per-use fee (some AWS services pay this feeĪWS services that integrate with AWS KMS differ KMS keys that AWS services create in your AWS account are AWS managed keys. The KMS keys that you create are customer managed keys.ĪWS services that use KMS keys to encrypt your service resources often create keys for For information about using KMS keys, see the AWS Key Management Service API Reference. 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. Material in your AWS CloudHSM cluster, or key material in an external key manager that you own and ![]() Import your own key material into a KMS key, or useĪ custom key store to create KMS keys that use key Pair, which you can export for use outside of AWS. The only exception is the public key of an asymmetric key 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 KMS key never leaves AWS KMS You can create a KMS key with cryptographic key material generated in AWS KMS FIPS validated hardware security modules. Most importantly, it contains a reference to the key material that is used when you perform cryptographic Key usage, creation date, description, and key state. To prevent breaking changes, AWS KMS is keeping some variations of thisĪn 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
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