[Botan-devel] ECC in botan for windows

Eugene N neverov.biks.07.1 at gmail.com
Sat Dec 11 11:56:13 EST 2010


Dear J. lloyd

Thank you so much for your swift and detailed response.
It would be a pleasure to use such a well-written library.

have a good day and all the best,
Eugene

2010/12/11 Jack Lloyd <lloyd at randombit.net>

> On Sat, Dec 11, 2010 at 12:46:51PM +0300, Eugene N wrote:
>
> Hi Eugene,
>
> > So basically, i was wondering, whether Windows DLL installer, available
> for
> > download, implements ECC (classes from /src/math/gfpmath)?
>
> The 1.8 installer does not. In 1.8, ECC requires TR1 which is not
> available by default in VC. However in versions after 1.9.4 this
> dependency was removed. I have not built new binaries for recent
> 1.9 releases, but an installer for 1.9.8 is available here:
>
>  http://files.randombit.net/botan/win32/
>
> That installer should provide full ECC support.
>
> > So if I need gfpmath classes to be availible on Windows, what can i do,
> > except from compiling botan with mingw and python?
> >
> > Perhaps it is possible to compile a static botan library in VC++ without
> > installing python and mingw?
>
> You'll probably want python at least. In theory you could set up
> the build without it by replicating the actions configure.py
> would take, but this would be very (_very_) tedious. There are
> Win32 installers for Python available, for instance:
>   http://python.org/ftp/python/2.7.1/python-2.7.1.msi
> (make sure you install Python 2.x rather than the intentionally
> incompatible Python 3.x)
>
> You can also compile botan 1.8 with ECC using Visual Studio if
> you install a TR1 implementation. For instance the TR1
> implementation included in Boost works fine (just pass
> --with-tr1-implementation=boost as an argument to configure.py).
>
> -Jack
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>
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