Very Computer

> Hello,

> I want to use the key pair of a stored X509Certificate to encrypt and
> decrypt data.
> I haven't found a solution for a few problems I have:

> Is there a way to generate a X509Certificate of a keypair in a self written
> program with the windows api?
> How can I get the private key/public key belonging to a X509 certifcate
> (stored in the windows certificate store) and decrypt/encrypt some data with
> it?

> Examples will be nice!
> I prever a solution with .NET Framework or COM (capicom.dll), but C/C++-Code
> will also fine.

> Bye
> Andreas Siglreithmayr

> The best/easiest solution now is to use CAPICOM 2 functionality:
>    http://www.microsoft.com/downloads/release.asp?ReleaseID=44155
> (unless you have very unusual requirements, in which case you may
>  need to use capi directly).

> There are excellent samples in the CAPICOM 2 download for:
>   asp,  c#,  C++,  html,  vb,  vbs

> The CAPICOM  2 install is rather small :-) and is supported on
>  Win98 - XP  (and also the 2.0.0.1 version seems to work in most
> cases on Win95).

>  - Michel Gallant
>    MVP Security
>    http://home.istar.ca/~neutron

> > Hello,

> > I want to use the key pair of a stored X509Certificate to encrypt and
> > decrypt data.
> > I haven't found a solution for a few problems I have:

> > Is there a way to generate a X509Certificate of a keypair in a self
written
> > program with the windows api?
> > How can I get the private key/public key belonging to a X509 certifcate
> > (stored in the windows certificate store) and decrypt/encrypt some data
with
> > it?

> > Examples will be nice!
> > I prever a solution with .NET Framework or COM (capicom.dll), but
C/C++-Code
> > will also fine.

> > Bye
> > Andreas Siglreithmayr