# Phase1EncryptionAlgorithmsRequestListValue
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Specifies the encryption algorithm for the VPN tunnel for phase 1 IKE negotiations.

## Contents
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 ** Value **   
The value for the encryption algorithm.  
Type: String  
Required: No

## 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/ec2-2016-11-15/Phase1EncryptionAlgorithmsRequestListValue) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ec2-2016-11-15/Phase1EncryptionAlgorithmsRequestListValue) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ec2-2016-11-15/Phase1EncryptionAlgorithmsRequestListValue)