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**Subject**: **Re: Difference between a+b and bit32.band(a+b)**
**From**: Luiz Henrique de Figueiredo <lhf@...>
**Date**: Fri, 9 Sep 2011 10:45:18 -0300

> > In digestblock function there is a line: H[1] = band(H[1] + a).
> I'm not sure about this, but I've heard of people doing similar things
> in JavaScript to force the native Number type to a 32-bit integer,
> taking overflow into account correctly, etc.
That's what the comment says:
-- Add (mod 2^32) this chunk's hash to result so far: