[google-appengine] How is MD5 hash of a blobstore blob encoded?

[Stephan Hartmann]

Hi together,
 

On the development server BlobInfo.getMd5Hash() returns a String (why not binary array?) that seems to be the hex endoded hash value. I can proof this true with hashing the file locally.

However on Appengine getMd5Hash() returns something different.

It seems to be Base64 encoded, but decoding it with Base64 does not match with what I get locally.

Maybe it uses a different hashing algorithm, too?

Which encoding is used and why is it not consistent on development and production?

 

Any help appreciated.
 

Best regards,
Stephan

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