Re: [namedgraphs] Base64 encoding

[Tim P. <tim...@ou...>]

Hi Jennifer,

The change was, indeed, made on a best guess basis, only motivated by 
removing warnings from the build, so please do as you see fit. 

yours
Tim


On Thursday 17 September 2009 20:50:09 Jennifer Cormier wrote:
> Hi everyone,
> 
> The Base64 encoding is working slightly different since the change away
> from the sun libraries.  (Note: I have no issues with the change, and
> thank Tim for making it!  We needed to move away from those libs.)
> 
> If you run the SWPExample (in src/de.fuberlin.wiwiss.ng4j.examples) and
> compare the functionality from the prior release, it can be seen that the
> sun libraries didn't chunk the data when encoding.  (i.e. no carriage
> return is added after 76 characters.)
> 
> The new code (e.g. in SWPSignatureUtilities.calculateDigest) is using
> Base64.encodeBase64Chunked so it does insert the carriage return.
> 
> >From what I've read, it's actually standard to include the carriage
> return.
> 
> HOWEVER I'm not sure we want to do that for the digest in NG4J.  The
> digest is then added to the warrantGraph as a literal (as the object in an
> RDF statement about the digest).  Perhaps that's legal, but it does look
> odd when the RDF is written in whatever format.
> 
> I'm assuming that change was made unintentionally and we could go back to
> the chunk-less style?  i.e. change to use Base64.encodeBase64 in all
> places?
> 
> Jennifer
> 
> Jennifer P. Cormier
> Sr. Computer Scientist
> ATC-NY
> www.atc-nycorp.com
>   
> 
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