Add Poly1305 #371
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Add Poly1305 #371
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Implementation for poly1305 Message Authentication Code.
This is the initial effort to add big-integer arithmetic as an optional (but enabled by default) feature. Here I used
num-bigintbecause it seemed to be well-maintained and well-written. The other candidates were based ongmpC library and were bindings on top of that. While usinggmphad its own advantages (mainly performance and decades of testing), it wasn't selected due to it being hard to compile on Windows systems and we want the code in this repository to be as portable as possible.