Hi all, does somebody have some experiences with creating XML signatures by using the CAPI and an RSA key and can help us to slove the below explained problem?
thanks, Eckehard -----Original Message----- From: Berin Lautenbach [mailto:[EMAIL PROTECTED] Sent: Donnerstag, 28. Oktober 2004 12:43 To: Hermann, Eckehard Subject: Re: Find a Certificate Eckehard, Never tried to do this myself - but I think there might be one or two people on the [EMAIL PROTECTED] list who have. Do you want to try there first? If not - it's something I've actually been meaning to try to work out, so I can have a look at the weekend. Cheers, Berin [EMAIL PROTECTED] wrote: > Hi Berin, > > we have the following question. We currently try to sign an XML > Document > with the C API of XML Security. Our Conditions are to use the Win CAPI > and keys and certificate from an USB stick. My problem is now that I > need to add the X509 certificate into the keyInfo part of the XML > Signature. We first aqctivate the proper CSP provider from the USB stick > via CryptAcquireContext. Then we call > > WinCAPICryptoKeyRSA * winKeyRSA = new WinCAPICryptoKeyRSA(hProv, > AT_SIGNATURE, true); > > Do you know how we can get from the winKeyRSA object the associated > certificate? > > I have looked into the CryptGetUserKey but could not find any link to > the corresponding certificate. Do you have any idea how we can aquire > the certificate? I have noticed, that in templatesign.cpp you could > easily extract the certificate using the OpenSSL API. But using Win CAPI > you only created the RSA exponent and modules in the KeyInfo. > > thanks in advance, > Eckehard Hermann > >
