AWS SDK Version 3 for .NET
API Reference

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Updates the description of a KMS key. To see the description of a KMS key, use DescribeKey.

The KMS key that you use for this operation must be in a compatible key state. For details, see Key states of KMS keys in the Key Management Service Developer Guide.

Cross-account use: No. You cannot perform this operation on a KMS key in a different Amazon Web Services account.

Required permissions: kms:UpdateKeyDescription (key policy)

Related operations

Note:

For .NET Core this operation is only available in asynchronous form. Please refer to UpdateKeyDescriptionAsync.

Namespace: Amazon.KeyManagementService
Assembly: AWSSDK.KeyManagementService.dll
Version: 3.x.y.z

Syntax

C#
public virtual UpdateKeyDescriptionResponse UpdateKeyDescription(
         UpdateKeyDescriptionRequest request
)
Parameters
request
Type: Amazon.KeyManagementService.Model.UpdateKeyDescriptionRequest

Container for the necessary parameters to execute the UpdateKeyDescription service method.

Return Value
The response from the UpdateKeyDescription service method, as returned by KeyManagementService.

Exceptions

ExceptionCondition
DependencyTimeoutException The system timed out while trying to fulfill the request. You can retry the request.
InvalidArnException The request was rejected because a specified ARN, or an ARN in a key policy, is not valid.
KMSInternalException The request was rejected because an internal exception occurred. The request can be retried.
KMSInvalidStateException The request was rejected because the state of the specified resource is not valid for this request. This exceptions means one of the following: The key state of the KMS key is not compatible with the operation. To find the key state, use the DescribeKey operation. For more information about which key states are compatible with each KMS operation, see Key states of KMS keys in the Key Management Service Developer Guide. For cryptographic operations on KMS keys in custom key stores, this exception represents a general failure with many possible causes. To identify the cause, see the error message that accompanies the exception.
NotFoundException The request was rejected because the specified entity or resource could not be found.

Examples

The following example updates the description of the specified KMS key.

To update the description of a KMS key


var client = new AmazonKeyManagementServiceClient();
var response = client.UpdateKeyDescription(new UpdateKeyDescriptionRequest 
{
    Description = "Example description that indicates the intended use of this KMS key.", // The updated description.
    KeyId = "1234abcd-12ab-34cd-56ef-1234567890ab" // The identifier of the KMS key whose description you are updating. You can use the key ID or the Amazon Resource Name (ARN) of the KMS key.
});


            

Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

See Also