Re: GSoC 2011: NSE Script Development

[David Fifield <david () bamsoftware com>]

On Tue, Apr 05, 2011 at 04:31:20AM +0200, Gorjan Petrovski wrote:
> I'm currently implementing the encryption for the backorifice-info
> script, and I have a problem with the multiplication of numbers which
> are too large for lua. Is there currently a workaround for that kind
> of problem in Nmap, like lua-bc
> http://penlight.luaforge.net/packages/lbc.html , or should I just hack
> around some kind of multiplication function which will do the trick
> for me?

There are bignum routines in the openssl library. Unfortunately I don't
see a multiply function, but that's probably because we just haven't
defined a binding to it. So I would say, see if you can add a binding in
nse_openssl.cc (you can probably mostly copy the l_bignum_add function).

David Fifield
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