(Unicode C) Get Certificate Policy

See more Certificates Examples

Demonstrates how to get a certificate's policy OIDs (if any)

Chilkat C/C++ Library Downloads
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#include <C_CkCertW.h>
#include <C_CkXmlW.h>

void ChilkatSample(void)
    {
    HCkCertW cert;
    BOOL success;
    const wchar_t *oid;
    const wchar_t *strXml;
    HCkXmlW xml;

    cert = CkCertW_Create();

    success = CkCertW_LoadFromFile(cert,L"qa_data/certs/sample.cer");
    if (success == FALSE) {
        wprintf(L"%s\n",CkCertW_lastErrorText(cert));
        CkCertW_Dispose(cert);
        return;
    }

    // The certificatePolicies OID is 2.5.29.32
    oid = L"2.5.29.32";
    strXml = CkCertW_getExtensionAsXml(cert,oid);
    if (CkCertW_getLastMethodSuccess(cert) == TRUE) {
        wprintf(L"%s\n",strXml);

        // Sample result:
        // <sequence><sequence><oid>2.16.840.1.101.2.1.11.39</oid></sequence></sequence>

        xml = CkXmlW_Create();
        CkXmlW_LoadXml(xml,strXml);
        wprintf(L"Policy OID = %s\n",CkXmlW_getChildContent(xml,L"sequence|oid"));
    }



    CkCertW_Dispose(cert);
    CkXmlW_Dispose(xml);

    }