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GetPublicKey

Last updated: 2023-08-07 17:45:17

1. API Description

Domain name for API request: kms.tencentcloudapi.com.

This API is used to get the public key of an asymmetric KMS key (which must be enabled). With the public key, you can encrypt messages and verify signatures.

A maximum of 100 requests can be initiated per second for this API.

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2. Input Parameters

The following request parameter list only provides API request parameters and some common parameters. For the complete common parameter list, see Common Request Parameters.

Parameter Name Required Type Description
Action Yes String Common Params. The value used for this API: GetPublicKey.
Version Yes String Common Params. The value used for this API: 2019-01-18.
Region No String Common Params. This parameter is not required for this API.
KeyId Yes String Unique CMK ID.

3. Output Parameters

Parameter Name Type Description
KeyId String Unique CMK ID.
PublicKey String Base64-encoded public key content.
PublicKeyPem String Public key content in PEM format.
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Getting the public key of an asymmetric key

Input Example

https://kms.tencentcloudapi.com/?Action=GetPublicKey
&KeyId=554ef4b3-3071-11ea-a86a-5254006d0810
&<Common request parameters>

Output Example

{
    "Response": {
        "RequestId": "8918bd5b-e189-4e2d-b718-01c9f99acd45",
        "KeyId": "554ef4b3-3071-11ea-a86a-5254006d0810",
        "PublicKey": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz0OTVMh28VCjOE5DMlBM8a2qIjgipYByb7WE/GyTRLUiIGDUq44VIM5fNI9nVeIf2D+4pIiU0s4LUYnLxkGcFKUVWkz3nubUzbNdSHRbNjKhbFyyRGT6YYxqMfvCmNXMA3OE56EmvsWU9VwVXqRPOFTaODCx8bRd+R6O+Aho9GaRfwLKHtlX7dochdDs9SWC6iybRISgpLEh4tvzcSlBemEuyx5U/X/BoL+sVnSsC/XT8J9w0EvJVHZaBW7OhIbBOolhzWTF8TpL/7ncZZUbtfP4SrAkvKgoEIEfRhv5vh5LfSxiS2zQzIShrT6JYqh5IgDIHTdCcPiYmTsk/lmM2wIDAQAB",
        "PublicKeyPem": "-----BEGIN PUBLIC KEY-----\nTUlJQklqQU5CZ2txaGtpRzl3MEJBUUVGQUFPQ0FROEFNSUlCQ2dLQ0FRRUF6ME9U\nVk1oMjhWQ2pPRTVETWxCTThhMnFJamdpcFlCeWI3V0UvR3lUUkxVaUlHRFVxNDRW\nSU01Zk5JOW5WZUlmMkQrNHBJaVUwczRMVVluTHhrR2NGS1VWV2t6M251YlV6Yk5k\nU0hSYk5qS2hiRnl5UkdUNllZeHFNZnZDbU5YTUEzT0U1NkVtdnNXVTlWd1ZYcVJQ\nT0ZUYU9EQ3g4YlJkK1I2TytBaG85R2FSZndMS0h0bFg3ZG9jaGREczlTV0M2aXli\nUklTZ3BMRWg0dHZ6Y1NsQmVtRXV5eDVVL1gvQm9MK3NWblNzQy9YVDhKOXcwRXZK\nVkhaYUJXN09oSWJCT29saHpXVEY4VHBMLzduY1paVWJ0ZlA0U3JBa3ZLZ29FSUVm\nUmh2NXZoNUxmU3hpUzJ6UXpJU2hyVDZKWXFoNUlnRElIVGRDY1BpWW1Uc2svbG1N\nMndJREFRQUI=\n-----END PUBLIC KEY-----\n"
    }
}

5. Developer Resources

SDK

TencentCloud API 3.0 integrates SDKs that support various programming languages to make it easier for you to call APIs.

Command Line Interface

6. Error Code

The following only lists the error codes related to the API business logic. For other error codes, see Common Error Codes.

Error Code Description
InternalError Internal error.
InvalidParameter Invalid parameter.
InvalidParameterValue.InvalidKeyId Invalid KeyId.
ResourceUnavailable.CmkNotFound The CMK does not exist.
ResourceUnavailable.CmkStateNotSupport This operation cannot be performed under the current CMK status.
UnauthorizedOperation Unauthorized operation.