(Unicode C++) 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.

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#include <CkKeyContainerW.h>
#include <CkJsonObjectW.h>

void ChilkatSample(void)
    {
    // This example requires Chilkat v9.5.0.83 or greater.

    CkKeyContainerW keyCon;
    CkJsonObjectW json;
    json.put_EmitCompact(false);

    bool success = keyCon.GetStorageProviders(json);
    if (success != true) {
        wprintf(L"%s\n",keyCon.lastErrorText());
        return;
    }

    wprintf(L"%s\n",json.emit());

    // 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 wchar_t *name = 0;

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

    wprintf(L"--\n");

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