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Joined: 12/23/2010(UTC) Posts: 24 Location: rennes
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Hello, With the CAPICOM SDK I m able to retrieve for a certificat Email and Serial number :ISignedDataPtr oSignedData = NULL; ISignerPtr oSigner = oSignedData->Signers->Item[1]; _bstr_t bstrMail=oSigner->Certificate->GetInfo(CAPICOM_CERT_INFO_SUBJECT_EMAIL_NAME); _bstr_t bstrSerial=oSigner->Certificate->SerialNumber; Is it possible to do the same with the EAGetMailObjLib::ICertificatePtr? Best regards, florent
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Groups: Administrators
Joined: 11/11/2010(UTC) Posts: 1,152
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I am sorry it doesn't support this feature. I will add those features at next version.
However, you can implement it like this in your code:
include the following headers:
Code:
#include <Wincrypt.h>
#pragma comment( lib, "Crypt32.lib" )
Code:
//oCert is EAGetMailObjLib::ICertitificatePtr;
// get serial number
PCERT_CONTEXT pCertContext = (PCERT_CONTEXT)oCert->Handle;
int len = pCertContext->pCertInfo->SerialNumber.cbData;
TCHAR* pszSerial = new TCHAR[2*len+1];
pszSerial[2*len] = _T('\0');
TCHAR* pszBuf = pszSerial;
for( int i = len-1; i >= 0 ; i-- )
{
::_stprintf( pszBuf, _T("%02x"), pCertContext->pCertInfo->SerialNumber.pbData[i] );
pszBuf +=2;
}
//pszSerial is the serial number
// please use delete [] pszSerial to free the memory.
delete [] pszSerial;
// get email address;
DWORD dwOut = 0;
dwOut = ::CertGetNameString(
pCertContext,
CERT_NAME_EMAIL_TYPE,
0,
0,
NULL,
0 );
if( dwOut == 0 )
{
DWORD dwLastError = ::GetLastError();
return;
}
TCHAR* pszEmail = new TCHAR[dwOut+1];
pszEmail[dwOut] = _T('\0');
dwOut = ::CertGetNameString(
pCertContext,
CERT_NAME_EMAIL_TYPE,
0,
0,
pszEmail,
dwOut );
if( dwOut == 0 )
{
DWORD dwLastError = ::GetLastError();
delete []pszEmail;
return;
}
// please use delete [] szEmail to free the memory.
delete []pszEmail;
1 user thanked ivan for this useful post.
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