On Fri, Jul 13, 2018 at 07:57:41AM -0700, Jeffrey Walton wrote:
> On Friday, July 13, 2018 at 9:43:24 AM UTC-4, Vadym Fedyukovych wrote:
> >
> > Hi, 
> > ' 
> > may I ask for status of negative Integer please? 
> > I'm interested in modular exponentiation in the first place. 
> >
> > I'm using conditional MultiplicativeInverse() at the moment. 
> > What is best practice? 
> > Any pointers to actually fix the issue please? 
> >
> 
> What issue?
> 
> We have a wiki page at https://www.cryptopp.com/wiki/Integer that might be 
> useful.

Ok, not sure whether this is an issue or a feature.
if(pwr < 0)
  e = ModularArithmetic.Exponentiate( -pwr)
  result = .MultiplicativeInverse(e)
else
  result = ModularArithmetic.Exponentiate(pwr)

Thank you,
Vadym

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