Improvement/s3 c 9769/ignore trailing checksum

[fredmnl]

Motivation

Since aws-cli 2.23 (and associated SDK version), put-object now defaults to using unsigned payload with trailing checksums for integrity.

This is particularly nice from a computational point of view because the client only needs to read their file once to perform the upload. With AuthV4 signed payload, you would need to first compute the checksum of the object, to eventually include it in the signature contained in the header. With trailing checksums (and unsigned payload), the checksum is computed while the upload is happening and the checksum is sent at the end of the body.

Implementation

In this first iteration we are only interested in accepting the incoming requests using trailing checksums and unsigned payload. We are not yet verifying the checksum although the current proposal is extensible to perform this checksum verification as well.

[bert-e]

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[bert-e]

Incorrect Jira project

The Jira issue S3C-9769 specified in the source
branch name, does not belong to project CLDSRV.