(Unicode C) Find Certificate by SHA1 Thumbprint

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Demonstrates how to find a certificate having the specified hexadecimal SHA1 thumbprint.

Note: Requires Chilkat v10.1.2 or later.

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

void ChilkatSample(void)
    {
    HCkCertStoreW certStore;
    BOOL readOnly;
    BOOL success;
    HCkJsonObjectW json;
    const wchar_t *hexThumbprint;
    HCkCertW cert;

    certStore = CkCertStoreW_Create();

    // This opens the Current User certificate store on Windows,
    // On MacOS and iOS it opens the default Keychain.
    readOnly = FALSE;
    success = CkCertStoreW_OpenCurrentUserStore(certStore,readOnly);
    if (success == FALSE) {
        wprintf(L"%s\n",CkCertStoreW_lastErrorText(certStore));
        CkCertStoreW_Dispose(certStore);
        return;
    }

    // Find the certificate having a specific SHA1 thumbprint.
    json = CkJsonObjectW_Create();
    hexThumbprint = L"767192374BE3C1512D2CB80734926D40E96D6DC2";
    CkJsonObjectW_UpdateString(json,L"thumbprint",hexThumbprint);

    cert = CkCertW_Create();
    success = CkCertStoreW_FindCert(certStore,json,cert);
    if (success == TRUE) {
        // Show the full distinguished name of the certificate.
        wprintf(L"Found: %s\n",CkCertW_subjectDN(cert));
    }
    else {
        wprintf(L"Not found.\n");
    }



    CkCertStoreW_Dispose(certStore);
    CkJsonObjectW_Dispose(json);
    CkCertW_Dispose(cert);

    }