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C

ScMinidriver - List Certificates on a Smart Card or USB Token

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Gets a list of certificates contained on a smart card or USB token.

Chilkat C Downloads

C
#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);

    }