# KekValidationRequest
<a name="API_KekValidationRequest"></a>

Parameter information for generating a KEK validation request during node-to-node initialization.

## Contents
<a name="API_KekValidationRequest_Contents"></a>

 ** DeriveKeyAlgorithm **   <a name="paymentcryptographydata-Type-KekValidationRequest-DeriveKeyAlgorithm"></a>
The key derivation algorithm to use for generating a KEK validation request.  
Type: String  
Valid Values: `TDES_2KEY | TDES_3KEY | AES_128 | AES_192 | AES_256 | HMAC_SHA256 | HMAC_SHA384 | HMAC_SHA512 | HMAC_SHA224`   
Required: Yes

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/payment-cryptography-data-2022-02-03/KekValidationRequest) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/payment-cryptography-data-2022-02-03/KekValidationRequest) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/payment-cryptography-data-2022-02-03/KekValidationRequest)