# GetInstanceTpmEkPub
<a name="API_GetInstanceTpmEkPub"></a>

Gets the public endorsement key associated with the Nitro Trusted Platform Module (NitroTPM) for the specified instance.

## Request Parameters
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The following parameters are for this specific action. For more information about required and optional parameters that are common to all actions, see [Common Query Parameters](CommonParameters.md).

 **DryRun**   
Specify this parameter to verify whether the request will succeed, without actually making the request. If the request will succeed, the response is `DryRunOperation`. Otherwise, the response is `UnauthorizedOperation`.  
Type: Boolean  
Required: No

 **InstanceId**   
The ID of the instance for which to get the public endorsement key.  
Type: String  
Required: Yes

 **KeyFormat**   
The required public endorsement key format. Specify `der` for a DER-encoded public key that is compatible with OpenSSL. Specify `tpmt` for a TPM 2.0 format that is compatible with tpm2-tools. The returned key is base64 encoded.  
Type: String  
Valid Values: `der | tpmt`   
Required: Yes

 **KeyType**   
The required public endorsement key type.  
Type: String  
Valid Values: `rsa-2048 | ecc-sec-p384`   
Required: Yes

## Response Elements
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The following elements are returned by the service.

 **instanceId**   
The ID of the instance.  
Type: String

 **keyFormat**   
The public endorsement key format.  
Type: String  
Valid Values: `der | tpmt` 

 **keyType**   
The public endorsement key type.  
Type: String  
Valid Values: `rsa-2048 | ecc-sec-p384` 

 **keyValue**   
The public endorsement key material.  
Type: String

 **requestId**   
The ID of the request.  
Type: String

## Errors
<a name="API_GetInstanceTpmEkPub_Errors"></a>

For information about the errors that are common to all actions, see [Common client error codes](errors-overview.md#CommonErrors).

## See Also
<a name="API_GetInstanceTpmEkPub_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/ec2-2016-11-15/GetInstanceTpmEkPub) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/ec2-2016-11-15/GetInstanceTpmEkPub) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ec2-2016-11-15/GetInstanceTpmEkPub) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/ec2-2016-11-15/GetInstanceTpmEkPub) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/GetInstanceTpmEkPub) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/ec2-2016-11-15/GetInstanceTpmEkPub) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/ec2-2016-11-15/GetInstanceTpmEkPub) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/ec2-2016-11-15/GetInstanceTpmEkPub) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/ec2-2016-11-15/GetInstanceTpmEkPub) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/GetInstanceTpmEkPub)