Help Center/ Data Encryption Workshop/ API Reference (Paris and Amsterdam Regions)/ APIs/ Decrypting Data
Updated on 2022-12-06 GMT+08:00
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Decrypting Data

Function

This API enables you to decrypt data.

URI

  • URI format

    POST /v1.0/{project_id}/kms/decrypt-data

  • Parameter description
    Table 1 Parameter description

    Parameter

    Mandatory

    Type

    Description

    project_id

    Yes

    String

    Project ID

Requests

Table 2 Request parameters

Parameter

Mandatory

Type

Description

cipher_text

Yes

String

Ciphertext of encrypted data. The value is the cipher_text value in the data encryption result that matches the regular expression ^[0-9a-zA-Z+/=]{188,5648}$.

encryption_context

No

Object

Key-value pairs with a maximum length of 8192 characters. This parameter is used to record resource context information, excluding sensitive information, to ensure data integrity.

If this parameter is specified during encryption, it is also required for decryption.

Example: {"Key1":"Value1","Key2":"Value2"}

sequence

No

String

36-byte serial number of a request message

Example: 919c82d4-8046-4722-9094-35c3c6524cff

Responses

Table 3 Response parameters

Parameter

Mandatory

Type

Description

key_id

Yes

String

CMK ID

plain_text

Yes

String

Plaintext

Examples

The following example describes how to decrypt data (ciphertext: AgDoAG7EsEc2OHpQxz4gDFDH54CqwaelpTdEl+RFPjbKn5klPTvOywYIeZX60kPbFsYOpXJwkL32HUM50MY22Eb1fOSpZK7WJpYjx66EWOkJvO+Ey3r1dLdNAjrZrYzQlxRwNS05CaNKoX5rr3NoDnmv+UNobaiS25muLLiqOt6UrStaWow9AUyOHSzl+BrX2Vu0whv74djK+3COO6cXT2CBO6WajTJsOgYdxMfv24KWSKw0TqvHe8XDKASQGKdgfI74hzI1YWJlNjlmLWFlMTAtNDRjZC1iYzg3LTFiZGExZGUzYjdkNwAAAACdcfNpLXwDUPH3023MvZK8RPHe129k6VdNIi3zNb0eFQ==).

  • Example request 
    {
     "cipher_text": "AgDoAG7EsEc2OHpQxz4gDFDH54CqwaelpTdEl+RFPjbKn5klPTvOywYIeZX60kPbFsYOpXJwkL32HUM50MY22Eb1fOSpZK7WJpYjx66EWOkJvO+Ey3r1dLdNAjrZrYzQlxRwNS05CaNKoX5rr3NoDnmv+UNobaiS25muLLiqOt6UrStaWow9AUyOHSzl+BrX2Vu0whv74djK+3COO6cXT2CBO6WajTJsOgYdxMfv24KWSKw0TqvHe8XDKASQGKdgfI74hzI1YWJlNjlmLWFlMTAtNDRjZC1iYzg3LTFiZGExZGUzYjdkNwAAAACdcfNpLXwDUPH3023MvZK8RPHe129k6VdNIi3zNb0eFQ=="
}
  • Example response 
    {
    "key_id": "0d0466b0-e727-4d9c-b35d-f84bb474a37f",
    "plain_text": "12345678"
}

    or

    {
    "error": {
        "error_code": "KMS.XXXX",
        "error_msg": "XXX"
    }
}

Status Codes

Table 4 lists the normal status code returned by the response.
Table 4 Status codes

Status Code

Status

Description

200

OK

Request processed successfully.

Exception status code. For details, see Status Codes.

Parent topic: APIs