AWS SDK for .NET Documentation
WithGenerateChecksum Method (fGenerateMD5Digest)
AmazonAmazon.S3.ModelPutObjectRequestWithGenerateChecksum(Boolean) Did this page help you?   Yes   No    Tell us about it...
If set, an MD5 digest is automatically computed for the content being uploaded.
Declaration Syntax
C#
[ObsoleteAttribute("The With methods are obsolete and will be removed in version 2 of the AWS SDK for .NET. See http://aws.amazon.com/sdkfornet/#version2 for more information.")]
public PutObjectRequest WithGenerateChecksum(
	bool fGenerateMD5Digest
)
Parameters
fGenerateMD5Digest (Boolean)
True to auto-generate a digest
Return Value
this instance
Remarks
This is a computationally expensive operation, and will add to the total time it will take to upload data to S3. Please use this option judicially.

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