Document history
This topic describes significant updates to the AWS Key Management Service Developer Guide.
Recent updates
The following table describes significant changes to this documentation since January 2018. In addition to major changes listed here, we also update the documentation frequently to improve the descriptions and examples, and to address the feedback that you send to us. To be notified about significant changes, subscribe to the RSS feed.
You might need to scroll horizontally or vertically to see all of the data in this table.
| Change | Description | Date |
|---|---|---|
Increased the AWS KMS keys resource quota to 100,000 KMS keys in each account and Region. | July 8, 2022 | |
Added support for HMAC KMS keys in more AWS Regions | July 8, 2022 | |
Added the Resilience in AWS Key Management Service topic to the Security chapter of the AWS KMS Developer Guide. | June 14, 2022 | |
Added support for AWS KMS keys and API operations that generate and verify HMAC codes. | April 19, 2022 | |
Replace the term customer master key (CMK) with AWS KMS key and KMS key. | August 30, 2021 | |
Added support for multi-Region keys, a set of interoperable KMS keys in different Regions that have the same key ID and key material. You can use multi-Region keys to encrypt data in one Region and decrypt data in a different Region. | June 8, 2021 | |
Added support for attribute based access control (ABAC). You can use tags and aliases to control access to your AWS KMS keys. | December 17, 2020 | |
Added support for VPC endpoint policies. | July 9, 2020 | |
Explains the security properties of AWS KMS. | June 18, 2020 | |
Added support for asymmetric AWS KMS keys and asymmetric data keys. | November 25, 2019 | |
You can view the key policy of AWS managed keys in the AWS KMS console. This feature used to be limited to customer managed keys. | November 15, 2019 | |
Explains how to use hybrid post-quantum key exchange algorithms in TLS for your calls to AWS KMS. | November 4, 2019 | |
Increased the resource quotas for some APIs that manage KMS keys. | September 18, 2019 | |
Changed the resource quotas for KMS keys, aliases, and grants per KMS key. | March 27, 2019 | |
Changed the shared per-second request quota for cryptographic operations that use AWS KMS keys in a custom key store. | March 7, 2019 | |
Explains how to create and manage AWS KMS custom key stores. Each key store is backed by an AWS CloudHSM cluster that you own and control. | November 26, 2018 | |
Explains how to use the new AWS KMS console, which is independent of the IAM console. The original console, and instructions for using it, will remain available for a brief period to give you time to familiarize yourself with the new console. | November 7, 2018 | |
Changed the shared request quota for use of AWS KMS keys. | August 21, 2018 | |
Explains how AWS Secrets Manager uses AWS KMS keys to encrypt the secret value in a secret. | July 13, 2018 | |
Explains how DynamoDB uses AWS KMS AWS KMS keys to support its server-side encryption option. | May 23, 2018 | |
Explains how to use a private endpoint in your VPC to connect directly to AWS KMS, instead of connecting over the internet. | January 22, 2018 |
Earlier updates
The following table describes the important changes to the AWS Key Management Service Developer Guide prior to 2018.
You might need to scroll horizontally or vertically to see all of the data in this table.
| Change | Description | Date |
|---|---|---|
| New content | Added documentation about Tagging keys. | February 15, 2017 |
| New content | Added documentation about Monitoring AWS KMS keys and Monitoring with Amazon CloudWatch. | August 31, 2016 |
| New content | Added documentation about Imported key material. | August 11, 2016 |
| New content | Added the following documentation: IAM policies, Permissions reference, and Condition keys. | July 5, 2016 |
| Update | Updated portions of the documentation in the Authentication and access control chapter. | July 5, 2016 |
| Update | Updated the Quotas page to reflect new default quotas. | May 31, 2016 |
| Update | Updated the Quotas page to reflect new default quotas, and updated the grant token documentation to improve clarity and accuracy. | April 11, 2016 |
| New content | Added documentation about Allowing multiple IAM users to access a KMS key and Using the IP address condition. | February 17, 2016 |
| Update | Updated the Key policies in AWS KMS and Changing a key policy pages to improve clarity and accuracy. | February 17, 2016 |
| Update | Updated the Managing keys topic pages to improve clarity. | January 5, 2016 |
| New content | Added documentation about How AWS CloudTrail uses AWS KMS. | November 18, 2015 |
| New content | Added instructions for Changing a key policy. | November 18, 2015 |
| Update | Updated the documentation about How Amazon Relational Database Service (Amazon RDS) uses AWS KMS. | November 18, 2015 |
| New content | Added documentation about How WorkSpaces uses AWS KMS. | November 6, 2015 |
| Update | Updated the Key policies in AWS KMS page to improve clarity. | October 22, 2015 |
| New content | Added documentation about Deleting AWS KMS keys, including supporting documentation about Creating an alarm and Determining past usage of a KMS key. | October 15, 2015 |
| New content | Added documentation about Determining access to AWS KMS keys. | October 15, 2015 |
| New content | Added documentation about Key states of AWS KMS keys. | October 15, 2015 |
| New content | Added documentation about How Amazon Simple Email Service (Amazon SES) uses AWS KMS. | October 1, 2015 |
| Update | Updated the Quotas page to explain the new request quotas. | August 31, 2015 |
| New content | Added information about the charges for using AWS KMS. See AWS KMS Pricing. | August 14, 2015 |
| New content | Added request quotas to the AWS KMS Quotas. | June 11, 2015 |
| New content | Added a new Java code sample demonstrating use of the UpdateAlias operation.
See Updating an alias. |
June 1, 2015 |
| Update | Moved the AWS Key Management Service regions table to the AWS General Reference. | May 29, 2015 |
| New content | Added documentation about How Amazon EMR uses AWS KMS. | January 28, 2015 |
| New content | Added documentation about How Amazon WorkMail uses AWS KMS. | January 28, 2015 |
| New content | Added documentation about How Amazon Relational Database Service (Amazon RDS) uses AWS KMS. | January 6, 2015 |
| New content | Added documentation about How Amazon Elastic Transcoder uses AWS KMS. | November 24, 2014 |
| New guide | Introduced the AWS Key Management Service Developer Guide. | November 12, 2014 |
