Help Center/ Data Encryption Workshop/ API Reference/ APIs/ Key Management APIs/ Key Import Management/ Importing Key Materials
Updated on 2025-09-15 GMT+08:00
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Importing Key Materials

Function

This API is used to import key materials.

Calling Method

For details, see Calling APIs.

URI

POST /v1.0/{project_id}/kms/import-key-material

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token. It can be obtained by calling the IAM API used to obtain a user token. The value of X-Subject-Token in the response header is the user token.
Table 3 Request body parameters

Parameter

Mandatory

Type

Description

key_id

Yes

String

A 36-byte key ID which matches the regular expression ^[0-9a-z]{8}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{4}-[0-9a-z]{12}$, for example, 0d0466b0-e727-4d9c-b35d-f84bb474a37f.

import_token

Yes

String

Key import token in Base64 format, which matches the regular expression ^[0-9a-zA-Z+/=]{200,6144}$.

encrypted_key_material

Yes

String

Encrypted symmetric key material. The value is in Base64 format and matches the regular expression ^[0-9a-zA-Z+/=]{344,360}$. If an asymmetric key is imported, this parameter is used as a temporary intermediate key during private key encryption.

encrypted_privatekey

No

String

Private key encrypted using a temporary intermediate key. Specify this parameter if an asymmetric key is imported. The value is in Base64 format and matches the regular expression ^[0-9a-zA-Z+/=]{200,6144}$.

expiration_time

No

Long

Expiration time of the key material. The value is a timestamp which indicates how many seconds it has been since January 1, 1970, for example, 1550291833. The key material will be deleted by KMS in 24 hours after the expiration.

sequence

No

String

A 36-byte serial number of a request message, for example, 919c82d4-8046-4722-9094-35c3c6524cff

Response Parameters

Status code: 200

Request succeeded.

Status code: 400

Table 4 Response body parameters

Parameter

Type

Description

error

Object

Error message
Table 5 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 401

Table 6 Response body parameters

Parameter

Type

Description

error

Object

Error message
Table 7 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 403

Table 8 Response body parameters

Parameter

Type

Description

error

Object

Error message
Table 9 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 404

Table 10 Response body parameters

Parameter

Type

Description

error

Object

Error message
Table 11 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 500

Table 12 Response body parameters

Parameter

Type

Description

error

Object

Error message
Table 13 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 502

Table 14 Response body parameters

Parameter

Type

Description

error

Object

Error message
Table 15 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Status code: 504

Table 16 Response body parameters

Parameter

Type

Description

error

Object

Error message
Table 17 ErrorDetail

Parameter

Type

Description

error_code

String

Error code returned by the error request

error_msg

String

Error information returned by the error request

Example Requests

Import ciphertext key materials to the key whose ID is 0d0466b0-e727-4d9c-b35d-f84bb474a37f.

{
  "key_id" : "0d0466b0-e727-4d9c-b35d-f84bb474a37f",
  "import_token" : "AACIBjY2ZTQxYItNDU4Ny04OTIxLWVhZTVhZjg5NDZm....",
  "encrypted_key_material" : "e0wTU/YJT/HDxsEv2NE+3CKT1..."
}

Example Responses

None

Status Codes

Status Code

Description

200

Request succeeded.

400

Invalid request parameters.

401

Username and password are required for the requested page.

403

Authentication failed.

404

The resource does not exist.

500

Internal service error.

502

Failed to complete the request. The server receives an invalid response from the upstream server.

504

Gateway timed out.

Error Codes

See Error Codes.

Parent Topic: Key Import Management