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About graubart

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  1. 1735-2014 is now a free download (IEEE Get Program).
  2. 1735-2014 is now a free download (IEEE Get Program).
  3. I have heard a couple of comments regarding the bytes field in the decryption envelope, that it is not completely clear in the published standard. Here is an unofficial clarification from one implementation team that completed successful interoperability testing: The “bytes” field in the decryption record is the number of bytes before base64 encoding—it’s the length of the initialization vector plus the length of the encrypted text. It’s not an essential field—it conveys no information that the base64 encoding doesn’t, and could be a candidate to deprecate. It’s also impossible to compute if you’re doing on-the-fly encryption and don’t know the length of your encrypted text until you’re done.
  4. 1735-2014 was approved in December 2014 but is not yet published. Only the working group has access as of late April 2015. A minor corrigendum will go to ballot soon and assuming approval, be integrated into the standard for publication probably in the summer of 2015.
  5. Version 1.5


    When published, P1735 will include a clause on licensing of protected IP. There is some complexity in implementing this. These files comprise a simple reference implementation to assist in the development of production-worthy tools. This reference implementation is not intended to be used without the published 1735 standard. These files do not contain sufficient information or functionality to create tools that conform to the standard nor do they represent an implementation with acceptable hardening against attacks.