C
C
ScMinidriver - List Certificates on a Smart Card or USB Token
See more ScMinidriver Examples
Gets a list of certificates contained on a smart card or USB token.Chilkat C Downloads
#include <C_CkScMinidriver.h>
#include <C_CkStringTable.h>
void ChilkatSample(void)
{
BOOL success;
HCkScMinidriver scmd;
const char *readerName;
HCkStringTable stCerts;
const char *certPart;
int numCerts;
int i;
success = FALSE;
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
scmd = CkScMinidriver_Create();
// Reader names (smart card readers or USB tokens) can be discovered
// via PCSC List Readers or PCSC Find Smart Cards
readerName = "SCM Microsystems Inc. SCR33x USB Smart Card Reader 0";
success = CkScMinidriver_AcquireContext(scmd,readerName);
if (success == FALSE) {
printf("%s\n",CkScMinidriver_lastErrorText(scmd));
CkScMinidriver_Dispose(scmd);
return;
}
stCerts = CkStringTable_Create();
// We can choose one of the following items of information to get for each certificate:
// "subjectDN" -- Return the full distinguished name of the cert.
// "subjectDN_withTags" -- Same as above, but in a format that includes the subject part tags, such as the "CN=" in "CN=something"
// "subjectCN" -- Return just the common name part of the certificate's subject.
// "serial" -- Return the certificate serial number.
// "serial:issuerCN" -- return the certificate serial number + the issuer's common name, delimited with a colon char.
certPart = "subjectCN";
success = CkScMinidriver_ListCerts(scmd,certPart,stCerts);
if (success == FALSE) {
printf("%s\n",CkScMinidriver_lastErrorText(scmd));
CkScMinidriver_Dispose(scmd);
CkStringTable_Dispose(stCerts);
return;
}
numCerts = CkStringTable_getCount(stCerts);
i = 0;
while (i < numCerts) {
printf("%d: %s\n",i,CkStringTable_stringAt(stCerts,i));
i = i + 1;
}
// Delete the context when finished with the card.
success = CkScMinidriver_DeleteContext(scmd);
if (success == FALSE) {
printf("%s\n",CkScMinidriver_lastErrorText(scmd));
}
CkScMinidriver_Dispose(scmd);
CkStringTable_Dispose(stCerts);
}