History

Time	Change
2014-03-24 03:51:57+00:00	Created
2014-03-24 03:51:57+00:00	Associated with AWS4-HMAC-SHA256
2017-02-11 16:07:48+00:00	Associated with AWS4
2017-02-11 16:07:48+00:00	Associated with Signature Calculations for the Authorization Header: Transferring Payload in a Single Chunk (AWS Signature Version 4) - Amazon Simple Storage Service