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Key Management Service

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Related Services¶

OBS¶

Object Storage Service (OBS) is a scalable service that provides secure, reliable, and cost-effective cloud storage for massive amounts of data. KMS provides central management and control capabilities of CMKs for OBS. It is used for server-side encryption with KMS-managed keys (SSE-KMS) on OBS.

EVS¶

Elastic Volume Service (EVS) offers scalable block storage for cloud servers. With high reliability, high performance, and rich specifications, EVS disks can be used for distributed file systems, development and test environments, data warehouse applications, and high-performance computing (HPC) scenarios to meet diverse service requirements. KMS provides central management and control capabilities of CMKs for EVS. It is used for encryption in EVS.

IMS¶

Image Management Service (IMS) allows you to manage the entire lifecycle of your images. KMS provides central management and control capabilities of CMKs for Image Management Service (IMS). It is used for private image encryption in IMS.

SFS¶

Scalable File Service (SFS) provides high-performance file storage (NAS) that can be expanded on demand. KMS provides central management and control capabilities of CMKs for SFS. It is used for file system encryption in SFS.

RDS¶

Relational Database Service (RDS) is a relational database that is reliable, scalable, easy to manage, and immediately ready for use. KMS provides central management and control capabilities of CMKs for RDS. It is used for disk encryption in relational databases.

CTS¶

Cloud Trace Service (CTS) provides you with a history of KMS operations. After the CTS service is enabled, you can view all generated traces to review and audit performed KMS operations. For details, see the Cloud Trace Service User Guide.

Table 1 KMS operations supported by CTS¶

Operation

Resource Type

Trace Name

Create a key

cmk

createKey

Create a DEK

cmk

createDataKey

Create a plaintext-free DEK

cmk

createDataKeyWithoutPlaintext

Enable a key

cmk

enableKey

Disable a key

cmk

disableKey

Encrypt a DEK

cmk

encryptDatakey

Decrypt a DEK

cmk

decryptDatakey

Schedule key deletion

cmk

scheduleKeyDeletion

Cancel scheduled key deletion

cmk

cancelKeyDeletion

Generate random numbers

rng

genRandom

Modify a key alias

cmk

updateKeyAlias

Modify key description

cmk

updateKeyDescription

Prompt risks about CMK deletion

cmk

deleteKeyRiskTips

Import key materials

cmk

importKeyMaterial

Delete key materials

cmk

deleteImportedKeyMaterial

Create a grant

cmk

createGrant

Retire a grant

cmk

retireGrant

Revoke a grant

cmk

revokeGrant

Encrypt data

cmk

encryptData

Decrypt data

cmk

decryptData

Add a tag

cmk

dealUnifiedTags

Delete a tag

cmk

dealUnifiedTags

Add tags in batches

cmk

dealUnifiedTags

Delete tags in batches

cmk

dealUnifiedTags

Enable key rotation

cmk

enableKeyRotation

Modify key rotation interval

cmk

updateKeyRotationInterval

Disable key rotation

cmk

disableKeyRotation

IAM¶

Identity and Access Management (IAM) provides the permission management function for KMS.

Only users who have KMS Administrator permissions can use KMS.

To apply for permissions, contact a user with Security Administrator permissions. For details, see the Identity and Access Management User Guide.

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last updated: 2025-11-10 09:33 UTC - commit: 556175fcdef85799c9edb85f3cd02e6dada58713
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Page Contents
  • Related Services
    • OBS
    • EVS
    • IMS
    • SFS
    • RDS
    • CTS
    • IAM
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