PUT Bucket encryption

Last updated: 2019-12-23 18:42:06



This API (PUT Bucket encryption) is used to set the default encryption configuration for the specified bucket.

To call this API, you must have the PutBucketEncryption permission. By default, the bucket owner has direct permission to use this API and can grant such permission to other users.


Sample request

PUT /?encryption HTTP 1.1
Host: <BucketName-APPID>.cos.<Region>.myqcloud.com
Date: GMT Date
Authorization: Auth String

Request parameters

This API does not use any request parameter.

Request headers

This API only uses common request headers. For more information, please see Common Request Headers.

Request body

You can use XML in the request body to set the default encryption configuration information for a bucket. The encryption configuration information mainly contains encryption items.

Below is the request body used to set SSE-COS:


The specific elements are as follows:

Element Name Parent Node Description Type Required
ServerSideEncryptionConfiguration None This contains the default encryption configuration parameters Container Yes
Rules ServerSideEncryptionConfiguration Default server-side encryption configuration rules Container Yes
ApplyServerSideEncryptionByDefault Rules Default configuration information of server-side encryption Container Yes
SSEAlgorithm ApplyServerSideEncryptionByDefault Server-side encryption algorithm to be used. Enumerated value: AES256 String Yes


Response headers

This API only returns common response headers. For more information, please see Common Response Headers.

Response body

The response body return of this request is empty.

Error codes

There are no special error messages for this API. For all error messages, please see Error Codes.

Use Cases


The following sample shows you how to set SSE-COS encryption configuration for the examplebucket-1250000000 bucket.

GET /?encryption HTTP 1.1
Host: examplebucket-1250000000.cos.ap-beijing.myqcloud.com
Date: Mon, 17 Jun 2019 08:37:35 GMT
Authorization: signatureValue



HTTP/1.1 200 OK
Content-Type: application/xml
Content-Length: 0
Date: Mon, 17 Jun 2019 08:37:36 GMT
Server: tencent-cos
x-cos-request-id: NWQwNzUxNTBfMzdiMDJhMDlfOWM0Nl85NDFk****