paypal encrypted buttons using lc

[Richard Gaskin]

Mike Bonner wrote:

 > I just turned the corner on understanding the old method, I suspect
 > i'll be able to make it work once sha-256 is implemented.

If it helps, I've found Mark Smith's libHash-Hmac to be quite good, his 
sha256 function returning the same values I get when tested against the 
command-line tool installed with my OS:

http://marksmith.on-rev.com/revstuff/

-- 
  Richard Gaskin
  Fourth World Systems
  Software Design and Development for the Desktop, Mobile, and the Web
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