(MFC) List Microsoft Storage Providers

Gets the Microsoft CNG and legacy CryptoAPI storage providers that exist on the Windows system.

Important: This example requires Chilkat v9.5.0.83 or greater.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkKeyContainer.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example requires Chilkat v9.5.0.83 or greater.

    CkKeyContainer keyCon;
    CkJsonObject json;
    json.put_EmitCompact(false);

    bool success = keyCon.GetStorageProviders(json);
    if (success != true) {
        strOut.append(keyCon.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append(json.emit());
    strOut.append("\r\n");

    // Sample JSON returned by GetStorageProviders

    // {
    //   "cng": [
    //     "Microsoft Software Key Storage Provider",
    //     "Microsoft Passport Key Storage Provider",
    //     "Microsoft Platform Crypto Provider",
    //     "Microsoft Smart Card Key Storage Provider"
    //   ],
    //   "legacy": [
    //     "Microsoft Base Cryptographic Provider v1.0",
    //     "Microsoft Base DSS and Diffie-Hellman Cryptographic Provider",
    //     "Microsoft Base DSS Cryptographic Provider",
    //     "Microsoft Base Smart Card Crypto Provider",
    //     "Microsoft DH SChannel Cryptographic Provider",
    //     "Microsoft Enhanced Cryptographic Provider v1.0",
    //     "Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider",
    //     "Microsoft Enhanced RSA and AES Cryptographic Provider",
    //     "Microsoft RSA SChannel Cryptographic Provider",
    //     "Microsoft Strong Cryptographic Provider"
    //   ]
    // }

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    const char *name = 0;

    // Iterate over the CNG storage containers
    int i = 0;
    int numStorageContainers = json.SizeOfArray("cng");
    while (i < numStorageContainers) {
        json.put_I(i);
        name = json.stringOf("cng[i]");
        strOut.append(name);
        strOut.append("\r\n");
        i = i + 1;
    }

    strOut.append("--");
    strOut.append("\r\n");

    // Iterate over the legacy CryptoAPI Cryptographic Storage Providers
    i = 0;
    numStorageContainers = json.SizeOfArray("legacy");
    while (i < numStorageContainers) {
        json.put_I(i);
        name = json.stringOf("legacy[i]");
        strOut.append(name);
        strOut.append("\r\n");
        i = i + 1;
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }