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(Unicode C) List Keys in a Microsoft Storage ProviderDemonstrates how to list the keys found in a Microsoft CNG Storage Provider, or a Legacy CryptoAPI Storage Provider. 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; BOOL machineKey; const wchar_t *algId; const wchar_t *provType; const wchar_t *storageProvider; int i; int count_i; // This example requires Chilkat v9.5.0.83 or greater. keyCon = CkKeyContainerW_Create(); json = CkJsonObjectW_Create(); CkJsonObjectW_putEmitCompact(json,FALSE); success = CkKeyContainerW_GetKeys(keyCon,L"Microsoft Software Key Storage Provider",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 GetKeys // If the storage provider is CNG, then each key has an "algId". // If the storage provider is legacy CryptoAPI, then each key has a "provType" (see below) // If the storage provider is CNG: // { // "storageProvider": "Microsoft Software Key Storage Provider", // "key": [ // { // "name": "cn=Chilkat Admin,ou=Persona Not Verified,ou=For Test Purposes Only Decryption Key", // "machineKey": false, // "algId": "ECDH_P384" // }, // { // "name": "CD1CC265-0DA0-4230-8419-CB6F808FE688", // "machineKey": false, // "algId": "SP800_108_CTR_HMAC" // }, // { // "name": "{FF14487C-0AED-471E-8FAD-4BF757C2195C}", // "machineKey": false, // "algId": "ECDH_P256" // }, // { // "name": "{869FD9A6-D815-44FD-A916-4D4A708CD949}", // "machineKey": false, // "algId": "ECDH_P256" // }, // { // "name": "D530ECA9-FF5A-4A6A-AAB3-6EC1870F2CC3", // "machineKey": false, // "algId": "SP800_108_CTR_HMAC" // }, // { // "name": "{F524771E-93C0-4D56-8DE7-2FE3CB5BD837}", // "machineKey": false, // "algId": "RSA" // }, // { // "name": "Microsoft Connected Devices Platform device certificate", // "machineKey": false, // "algId": "ECDSA_P256" // } // ] // } // If the storage provider is legacy CryptoAPI: // { // "storageProvider": "Microsoft Base Cryptographic Provider v1.0", // "key": [ // { // "name": "{48D7FF88-A52E-41E2-9EBD-0CC7E880DC65}", // "machineKey": false, // "provType": "PROV_RSA_FULL" // }, // { // "name": "{CBF7A33A-F9CF-4C30-8A06-94A5C7981058}", // "machineKey": false, // "provType": "PROV_RSA_FULL" // } // ] // } // Use this online tool to generate parsing code from sample JSON: // Generate Parsing Code from JSON storageProvider = CkJsonObjectW_stringOf(json,L"storageProvider"); i = 0; count_i = CkJsonObjectW_SizeOfArray(json,L"key"); while (i < count_i) { CkJsonObjectW_putI(json,i); name = CkJsonObjectW_stringOf(json,L"key[i].name"); machineKey = CkJsonObjectW_BoolOf(json,L"key[i].machineKey"); if (CkJsonObjectW_HasMember(json,L"key[i].algId") == TRUE) { algId = CkJsonObjectW_stringOf(json,L"key[i].algId"); } if (CkJsonObjectW_HasMember(json,L"key[i].provType") == TRUE) { provType = CkJsonObjectW_stringOf(json,L"key[i].provType"); } i = i + 1; } CkKeyContainerW_Dispose(keyCon); CkJsonObjectW_Dispose(json); } |
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