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Key Management Service:Release notes

Last Updated:Jul 29, 2025

This topic describes the release notes for Key Management Service (KMS).

Instance image release notes

Image version

Change

Change type

Description

Release date

Region

References

dkms-3.3.0

Improves system performance.

Optimization

Improves the stability of hardware key management instances outside the Chinese mainland.

Jul 10, 2025

All regions

None

dkms-3.2.2

Software key management instances support the RSA-4096 key specification.

New feature

Software key management instances support creating asymmetric keys with the RSA-4096 specification.

Jun 18, 2025

All regions

Understanding KMS keys

dkms-3.2.0

Improves secret retrieval performance.

Optimization

Improves secret retrieval performance by caching secrets in ciphertext in the Redis database.

Feb 19, 2025

All regions

None

dkms-3.1.0

Hardware key management instances support dynamic awareness of Hardware Security Module (HSM) cluster changes.

Optimization

Supports dynamic awareness of HSM cluster changes for data synchronization after cluster scale-out.

Jan 7, 2025

All regions

Purchase and enable a KMS instance

dkms-3.0.0

KMS supports calling OpenAPI through a dedicated gateway.

New feature

When performing cryptographic operations, you can use the Alibaba Cloud SDK to call OpenAPI through a dedicated gateway.

Dec 23, 2024

All regions

Alibaba Cloud SDK

dkms-2.9.0

KMS security hardening.

Optimization

KMS security hardening.

Oct 31, 2024

All regions

None

dkms-2.8.0

KMS 1.0 supports migration to KMS 3.0.

New feature

KMS 1.0 will enter the End of Full Support (EoFS) phase on March 30, 2025, at 00:00:00 (GMT+8) and End of Service (EOS) phase on September 30, 2025, at 00:00:00 (GMT+8). To ensure your business is not impacted, migrate KMS 1.0 resources to KMS 3.0 instances as soon as possible.

Sep 25, 2024

All regions

Migrate KMS 1.0 resources to KMS 3.0 instances

dkms-2.7.0

KMS supports delivering secret events to Cloud Monitor.

New feature

Events for secret rotation, scheduled deletion, and actual deletion will be delivered to Cloud Monitor.

Jun 3, 2024

All regions

Alert events

January-June 2024

June 2024

Feature overview

Release date

Region

References

Data Management (DMS) supports logging on to databases using KMS secrets.

Jun 3, 2024

All regions

Integrate ApsaraDB RDS secrets into DMS

KMS software key management instances support the free automatic backup feature.

May 10, 2024

All regions

Backup management

May 2024

Feature overview

Release date

Region

References

KMS software key management instances support BYOK keys.

May 9, 2024

All regions

KMS adds external key management instances that support HYOK keys.

Apr 29, 2024

All regions

Manage external keys

April 2024

Feature overview

Release date

Region

References

KMS adds external key management instances that support HYOK keys.

Apr 29, 2024

All regions

Manage external keys

KMS supports cross-region synchronization of keys in KMS instances.

Apr 11, 2024

All regions

Cross-region synchronization

March 2024

Feature overview

Release date

Region

References

KMS supports resource-based access control policies. You can attach policies to resources such as keys or secrets to control which Alibaba Cloud accounts, RAM users, and RAM roles can access or perform operations on the resources.

Mar 20, 2024

All regions

January-December 2023

December 2023

Feature overview

Release date

Region

References

The SecretType parameter is provided when you call the ListSecrets operation.

Dec 27, 2023

All regions

ListSecrets

The Thailand (Bangkok) region is supported.

Thailand (Bangkok)

Regions and zones

November 2023

Feature overview

Release date

Region

References

Integration with Cloud Monitor (CMS) adds alert settings. System events can be monitored and alerted.

Nov 24, 2023

All regions

Alert events

October 2023

Feature overview

Release date

Region

References

Integration with Simple Log Service (SLS) supports storing and query analysis of access logs for the data plane of KMS instances for nearly 180 days.

Oct 30, 2023

All regions

September 2023

Feature overview

Release date

Region

References

KMS instances support the generation of asymmetric data key pairs.

Sep 25, 2023

All regions

August 2023

Feature overview

Release date

Region

References

KMS instances support dual-zone deployment to improve service availability and disaster recovery capabilities.

Aug 11, 2023

All regions

Purchase and activate KMS instances

July 2023

Feature overview

Release date

Region

References

Computing performance of 10,000 and 20,000 QPS is supported for KMS instances of the software key management type.

Jul 28, 2023

All regions

Performance data

The China (Chengdu) region is supported.

China (Chengdu)

Regions and zones

June 2023

Feature overview

Release date

Region

References

KMS supports access to Alibaba Cloud Tag Service.

Note

You can add tags to multiple keys or secrets at a time compared with the original tag feature of KMS.

Jun 20, 2023

China (Hangzhou), China (Shanghai), China (Shenzhen), China (Heyuan), China (Guangzhou), China (Beijing), China (Zhangjiakou), China (Hohhot), China (Ulanqab), China (Chengdu), China (Hong Kong), Japan (Tokyo), South Korea (Seoul), Singapore, Malaysia (Kuala Lumpur), Indonesia (Jakarta), Germany (Frankfurt), UK (London), US (Silicon Valley), US (Virginia), Philippines (Manila), and Thailand (Bangkok)

Symmetric keys in KMS instances of the software key management type can be rotated.

Key rotation

Keys and secrets in KMS instances of the software key management type can be backed up and restored.

Backup management

April 2023

Feature overview

Release date

Region

References

A KMS instance can be shared across multiple Alibaba Cloud accounts for server-side encryption in Alibaba Cloud services by using the resource sharing feature.

Apr 20, 2023

China (Hangzhou), China (Shanghai), China (Shenzhen), China (Heyuan), China (Guangzhou), China (Beijing), China (Zhangjiakou), China (Hohhot), China (Ulanqab), China (Chengdu), China (Hong Kong), Japan (Tokyo), South Korea (Seoul), Singapore, Malaysia (Kuala Lumpur), Indonesia (Jakarta), Germany (Frankfurt), UK (London), US (Silicon Valley), US (Virginia), Philippines (Manila), and Thailand (Bangkok)

Share KMS instances across multiple accounts

March 2023

Feature overview

Release date

Region

References

A new version of the KMS console is released. You can create and manage software-protected keys, hardware-protected keys, and default keys. You can also create and manage secrets.

Mar 16, 2023

All regions

January-December 2022

2021 and earlier

October 2021

Feature overview

Release date

Region

References

The Philippines (Manila) region is supported.

Oct 1, 2021

Philippines (Manila)

None

September 2021

Feature overview

Release date

Region

References

KMS supports Dedicated KMS Standard Edition

Sep 5, 2021

China (Hangzhou), China (Shanghai), China (Beijing), China (Shenzhen), China (Hong Kong), Malaysia (Kuala Lumpur), and Singapore

August 2021

Feature overview

Release date

Region

References

KMS supports dynamic RAM secrets

Aug 13, 2021

All regions

January 2021

Feature overview

Release date

Region

References

  • KMS supports dynamic ApsaraDB RDS secrets.

  • New APIs: RotateSecret and UpdateSecretRotationPolicy.

Jan 4, 2021

All regions

October 2020

Feature overview

Release date

Region

References

  • An API operation is supported to activate KMS.

  • New APIs: OpenKmsService and DescribeAccountKmsStatus.

Oct 20, 2020

All regions

July 2020

Feature overview

Release date

Region

References

  • KMS supports cross-system exchange, re-encryption, and cross-region import and export of data keys.

  • New APIs: GenerateDataKeyWithoutPlaintext, GenerateAndExportDataKey, ExportDataKey, and ReEncrypt.

  • KMS is available in the China (Guangzhou) region.

Jul 7, 2020

All regions

February 2020

Feature overview

Release date

Region

References

  • The Secrets Manager feature of KMS is released.

  • API operations are added to support the Secrets Manager feature.

  • KMS is available in the China (Ulanqab) and China (Heyuan) regions.

Feb 24, 2020

All regions

December 2019

Feature overview

Release date

Region

References

  • KMS supports asymmetric keys.

  • New APIs: AsymmetricEncrypt, AsymmetricDecrypt, AsymmetricSign, AsymmetricVerify, and GetPublicKey.

Dec 13, 2019

All regions

November 2019

Feature overview

Release date

Region

References

A hardware security module (HSM) cluster can be used to store keys in instances of the hardware key management type. HSMs meet the regulatory requirements of State Cryptography Administration (SCA).

Nov 18, 2019

China (Beijing) and China (Shanghai)

KMS hardware key management instances support HSMs

September 2019

Feature overview

Release date

Region

References

  • Each customer master key (CMK) can have multiple versions. Automatic rotation of CMKs is supported.

  • New APIs: UpdateKeyDescription and GenerateDataKeyWithoutPlaintext.

Sep 24, 2019

All regions

Automatic rotation of keys

July 2019

Feature overview

Release date

Region

References

A HSM cluster can be used to store keys in instances of the hardware key management type.

Jul 31, 2019

Singapore and China (Hong Kong)

KMS hardware key management instances support HSMs

May 2019

Feature overview

Release date

Region

References

Key tags and tag-based authentication are supported.

May 1, 2019

All regions

July 2018

Feature overview

Release date

Region

References

ActionTrail is supported.

Jul 24, 2018

All regions

Use ActionTrail to query the operations of Key Management Service

March 2018

Feature overview

Release date

Region

References

  • API operations are added to support Bring Your Own Key (BYOK).

  • API operations are added to support CMK aliases.

  • KMS is available in the following regions: Indonesia (Jakarta), US (Virginia), and US (Silicon Valley).

Aug 30, 2018

All regions

Import key material

November 2017

Feature overview

Release date

Region

References

KMS is available in the following regions: China (Qingdao), China (Hohhot), and Malaysia (Kuala Lumpur).

Nov 15, 2017

China (Qingdao), China (Hohhot), and Malaysia (Kuala Lumpur)

None

June 2017

Feature overview

Release date

Region

References

  • New API: DescribeRegions.

  • The KMS SDK version is updated to V2.4.0.

Jun 5, 2017

All regions

DescribeRegions

May 2017

Feature overview

Release date

Region

References

  • KMS is available for commercial use at the China site (aliyun.com) on April 25, 2017.

  • KMS is available in the China (Zhangjiakou) region.

May 10, 2017

All regions

None

March 2017

Feature overview

Release date

Region

References

Performance optimization.

Mar 1, 2017

All regions

None

January 2017

Feature overview

Release date

Region

References

KMS is available in the China (Hong Kong) region.

Jan 22, 2017

China (Hong Kong)

None

November 2016

Feature overview

Release date

Region

References

KMS is available in the following regions: Japan (Tokyo), Germany (Frankfurt), and UAE (Dubai).

Nov 29, 2016

Japan (Tokyo), Germany (Frankfurt), and UAE (Dubai)

None

September 2016

Feature overview

Release date

Region

References

New APIs related to key deletion: ScheduleKeyDeletion and CancelKeyDeletion.

Sep 20, 2016

All regions

August 2016

Feature overview

Release date

Region

References

The EncryptionContext parameter can be configured in the Encrypt and Decrypt API operations.

Aug 10, 2016

All regions

Description of EncryptionContext

June 2016

Feature overview

Release date

Region

References

A CMK can be enabled or disabled.

Jun 22, 2016

All regions

Create a CMK

May 2016

Feature overview

Release date

Region

References

KMS is available in the following regions: China (Beijing), China (Shanghai), and China (Shenzhen).

May 19, 2016

China (Beijing), China (Shanghai), and China (Shenzhen)

None

April 2016

Feature overview

Release date

Region

References

KMS is released.

Apr 6, 2016

All regions

What is Key Management Service