# 密钥操作
[主题绑定KMS密钥 - CreateKmsKey](https://support.huaweicloud.com/api-smn/CreateKmsKey.html)
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[查询主题下KMS密钥 - ShowKmsKey](https://support.huaweicloud.com/api-smn/ShowKmsKey.html)
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[更新主题下KMS密钥 - UpdateKmsKey](https://support.huaweicloud.com/api-smn/UpdateKmsKey.html)
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[删除主题下KMS密钥 - DeleteKmsKey](https://support.huaweicloud.com/api-smn/DeleteKmsKey.html)
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