AWS SDK for .NET Documentation
MD5OfMessageBody Property
AmazonAmazon.SQS.ModelSendMessageBatchResultEntryMD5OfMessageBody Did this page help you?   Yes   No    Tell us about it...
An MD5 digest of the non-URL-encoded message body string.
Declaration Syntax
C#
public string MD5OfMessageBody { get; set; }
Remarks
This can be used to verify that SQS received the message correctly. SQS first URL decodes the message before creating the MD5 digest. For information about MD5, go to http://faqs.org/rfcs/rfc1321.html.

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)