Decrypt - Developer Guide| Alibaba Cloud Documentation Center

Description

Decrypts ciphertext. Ciphertext is plaintext that has been previously encrypted by using any of the following operations.

Request parameters

Name	Type	Required	Description
CiphertextBlob	String	Yes	Ciphertext to be decrypted.
EncryptionContext	String	No	The encryption context. If this was specified in the Encrypt operation, it must be specified here or the decryption operation will fail. For more information, see EncryptionContext.

Response parameters

Name	Type	Description
KeyId	string	Globally unique identifier of CMK.
Plaintext	string	Decrypted plaintext data.

Examples

Request example

https://kms.cn-hangzhou.aliyuncs.com/?Action=Decrypt
&CiphertextBlob=<your ciphertextblob>
&EncryptionContext={"Example":"Example"}
&<Other public parameters>

Response example

JSON format

//json response
{
"KeyId": "202b9877-5a25-46e3-a763-e20791b52868"
"Plaintext": "Plaintext"
"RequestId": "207596a2-36d3-4840-b1bd-f87044699bd7"
}

XML format

//xml response
<KMS>
        <KeyId>202b9877-5a25-46e3-a763-e20791b52868</KeyId>
        <Plaintext>Plaintext</Plaintext>
        <RequestId>4bd560a1-729e-45f1-a3d9-b2a33d61046b</RequestId>
</KMS>