(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 <C_CkKeyContainer.h>
#include <C_CkJsonObject.h>

void ChilkatSample(void)
    {
    HCkKeyContainer keyCon;
    HCkJsonObject json;
    BOOL success;
    const char *name;
    int i;
    int numStorageContainers;

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

    keyCon = CkKeyContainer_Create();
    json = CkJsonObject_Create();
    CkJsonObject_putEmitCompact(json,FALSE);

    success = CkKeyContainer_GetStorageProviders(keyCon,json);
    if (success != TRUE) {
        printf("%s\n",CkKeyContainer_lastErrorText(keyCon));
        CkKeyContainer_Dispose(keyCon);
        CkJsonObject_Dispose(json);
        return;
    }

    printf("%s\n",CkJsonObject_emit(json));

    // 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

    // Iterate over the CNG storage containers
    i = 0;
    numStorageContainers = CkJsonObject_SizeOfArray(json,"cng");
    while (i < numStorageContainers) {
        CkJsonObject_putI(json,i);
        name = CkJsonObject_stringOf(json,"cng[i]");
        printf("%s\n",name);
        i = i + 1;
    }

    printf("--\n");

    // Iterate over the legacy CryptoAPI Cryptographic Storage Providers
    i = 0;
    numStorageContainers = CkJsonObject_SizeOfArray(json,"legacy");
    while (i < numStorageContainers) {
        CkJsonObject_putI(json,i);
        name = CkJsonObject_stringOf(json,"legacy[i]");
        printf("%s\n",name);
        i = i + 1;
    }



    CkKeyContainer_Dispose(keyCon);
    CkJsonObject_Dispose(json);

    }