(C) Get Certificate Policy

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Chilkat C/C++ Library Downloads
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#include <C_CkCert.h>
#include <C_CkXml.h>

void ChilkatSample(void)
    {
    HCkCert cert;
    BOOL success;
    const char *oid;
    const char *strXml;
    HCkXml xml;

    cert = CkCert_Create();

    success = CkCert_LoadFromFile(cert,"qa_data/certs/sample.cer");
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkCert_Dispose(cert);
        return;
    }

    // The certificatePolicies OID is 2.5.29.32
    oid = "2.5.29.32";
    strXml = CkCert_getExtensionAsXml(cert,oid);
    if (CkCert_getLastMethodSuccess(cert) == TRUE) {
        printf("%s\n",strXml);

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

        xml = CkXml_Create();
        CkXml_LoadXml(xml,strXml);
        printf("Policy OID = %s\n",CkXml_getChildContent(xml,"sequence|oid"));
    }



    CkCert_Dispose(cert);
    CkXml_Dispose(xml);

    }