website/content/zh-cn/docs/reference/command-line-tools-reference/feature-gates/KMSv2KDF.md

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---
title: KMSv2KDF
content_type: feature_gate
_build:
list: never
render: false
stages:
- stage: beta
defaultValue: false
fromVersion: "1.28"
toVersion: "1.28"
- stage: stable
defaultValue: true
fromVersion: "1.29"
toVersion: "1.31"
removed: true
---
<!--
Enables KMS v2 to generate single use data encryption keys.
See [Using a KMS Provider for data encryption](/docs/tasks/administer-cluster/kms-provider) for more details.
If the `KMSv2` feature gate is not enabled in your cluster, the value of the `KMSv2KDF` feature gate has no effect.
-->
启用 KMS v2 以生成一次性数据加密密钥。
详情参见[使用 KMS 驱动进行数据加密](/zh-cn/docs/tasks/administer-cluster/kms-provider/)。
如果 `KMSv2` 特性门控在你的集群未被启用,则 `KMSv2KDF` 特性门控的值不会产生任何影响。