Encrypts data with a white-box key

Last updated: 2020-12-02 11:27:19

1. API Description

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

This API is used to encrypt data with a white-box key.

A maximum of 50 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 parameter. The value used for this API: EncryptByWhiteBox.
Version Yes String Common parameter. The value used for this API: 2019-01-18.
Region Yes String Common parameter. For more information, please see the list of regions supported by the product.
KeyId Yes String Globally unique white-box key ID
PlainText Yes String Base64-encoded text to be encrypted. The size of the original text cannot exceed 4 KB.
InitializationVector No String Base64-encoded initialization vector of 16 bytes, which will be used by the encryption algorithm. If this parameter is not passed in, the backend service will generate a random one. You should save this value as a parameter for decryption.

3. Output Parameters

Parameter Name Type Description
InitializationVector String Base64-encoded initialization vector, which will be used by the encryption algorithm. If this parameter is passed in by the caller, it will be returned as-is; otherwise, the backend service will generate a random one and return it.
CipherText String Base64-encoded ciphertext after encryption
RequestId String The unique request ID, which is returned for each request. RequestId is required for locating a problem.

4. Example

Example1 Using white-box key for encryption

Input Example

https://kms.tencentcloudapi.com/?Action=EncryptByWhiteBox
&KeyId=244dab8c-6dad-11ea-80c6-5254006d0810
&PlainText=UGxhaW5UZXh0
&<Common request parameters>

Output Example

{
  "Response": {
    "RequestId": "4b3be01e-117a-43f5-aa34-dd5034efe3dd",
    "InitializationVector": "BQbVImt3p_xr8VQebZaXGQ==",
    "CipherText": "ZKHH2la4DpwlkwjANQ5hgw=="
  }
}

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.
InvalidParameterValue Incorrect parameter value.
InvalidParameterValue.InvalidKeyId Invalid KeyId.
ResourceNotFound The resource does not exist.
ResourceUnavailable.KeyDisabled The key has been disabled.
ResourceUnavailable.NotPurchased The white-box key service has not been activated.
UnauthorizedOperation Unauthorized operation.

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