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From "Andrew Gaul (JIRA)" <j...@apache.org>
Subject [jira] [Created] (JCLOUDS-1268) Calculate and include SHA-1 hash at the end of a B2 upload
Date Sat, 08 Apr 2017 11:37:42 GMT
Andrew Gaul created JCLOUDS-1268:
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             Summary: Calculate and include SHA-1 hash at the end of a B2 upload 
                 Key: JCLOUDS-1268
                 URL: https://issues.apache.org/jira/browse/JCLOUDS-1268
             Project: jclouds
          Issue Type: Improvement
          Components: jclouds-blobstore
    Affects Versions: 2.0.1
            Reporter: Andrew Gaul
            Priority: Minor


B2 removed the need to calculate the SHA-1 hash before uploading a file, allowing streaming.
 Currently jclouds uploads files without a hash, although B2 also supports calculating the
hash while uploading then including the SHA-1 at the end via {{X-Bz-Content-Sha1: hex_digits_at_end}}:
 

https://www.backblaze.com/b2/docs/uploading.html

Supporting this requires some changes to jclouds to allow modifying the Payload to emit the
hash at the end of the transfer.



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