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(Unicode C) List Microsoft Storage ProvidersGets 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.
#include <C_CkKeyContainerW.h> #include <C_CkJsonObjectW.h> void ChilkatSample(void) { HCkKeyContainerW keyCon; HCkJsonObjectW json; BOOL success; const wchar_t *name; int i; int numStorageContainers; // This example requires Chilkat v9.5.0.83 or greater. keyCon = CkKeyContainerW_Create(); json = CkJsonObjectW_Create(); CkJsonObjectW_putEmitCompact(json,FALSE); success = CkKeyContainerW_GetStorageProviders(keyCon,json); if (success != TRUE) { wprintf(L"%s\n",CkKeyContainerW_lastErrorText(keyCon)); CkKeyContainerW_Dispose(keyCon); CkJsonObjectW_Dispose(json); return; } wprintf(L"%s\n",CkJsonObjectW_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 = CkJsonObjectW_SizeOfArray(json,L"cng"); while (i < numStorageContainers) { CkJsonObjectW_putI(json,i); name = CkJsonObjectW_stringOf(json,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 = CkJsonObjectW_SizeOfArray(json,L"legacy"); while (i < numStorageContainers) { CkJsonObjectW_putI(json,i); name = CkJsonObjectW_stringOf(json,L"legacy[i]"); wprintf(L"%s\n",name); i = i + 1; } CkKeyContainerW_Dispose(keyCon); CkJsonObjectW_Dispose(json); } |
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