Chilkat HOME .NET Core C# Android™ AutoIt C C# C++ Chilkat2-Python CkPython Classic ASP DataFlex Delphi ActiveX Delphi DLL Go Java Lianja Mono C# Node.js Objective-C PHP ActiveX PHP Extension Perl PowerBuilder PowerShell PureBasic Ruby SQL Server Swift 2 Swift 3,4,5... Tcl Unicode C Unicode C++ VB.NET VBScript Visual Basic 6.0 Visual FoxPro Xojo Plugin
(Unicode C) RSA Sign Using Private Key from .pfx/.p12 to Base64 SignatureSee more RSA ExamplesDemonstrates how to RSA sign something using a private key loaded from a .pfx/.p12. The RSA signature is returned in Base64 encoded format.
#include <C_CkRsaW.h> #include <C_CkPfxW.h> #include <C_CkPrivateKeyW.h> void ChilkatSample(void) { HCkRsaW rsa; HCkPfxW pfx; BOOL success; HCkPrivateKeyW privKey; const wchar_t *strData; const wchar_t *base64Sig; // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. rsa = CkRsaW_Create(); // Load the .pfx/.p12 pfx = CkPfxW_Create(); success = CkPfxW_LoadPfxFile(pfx,L"qa_data/pfx/myKey.p12",L"myPassword"); if (success != TRUE) { wprintf(L"%s\n",CkPfxW_lastErrorText(pfx)); CkRsaW_Dispose(rsa); CkPfxW_Dispose(pfx); return; } // Get the default private key. privKey = CkPfxW_GetPrivateKey(pfx,0); if (CkPfxW_getLastMethodSuccess(pfx) != TRUE) { wprintf(L"%s\n",CkPfxW_lastErrorText(pfx)); CkRsaW_Dispose(rsa); CkPfxW_Dispose(pfx); return; } // Import the private key into the RSA component: success = CkRsaW_ImportPrivateKeyObj(rsa,privKey); if (success != TRUE) { wprintf(L"%s\n",CkRsaW_lastErrorText(rsa)); CkPrivateKeyW_Dispose(privKey); CkRsaW_Dispose(rsa); CkPfxW_Dispose(pfx); return; } CkPrivateKeyW_Dispose(privKey); // Get the signature in base64 CkRsaW_putEncodingMode(rsa,L"base64"); strData = L"This is the string to be signed."; // Sign the string using the sha256 hash algorithm. // Other valid choices are "sha384", "sha512", "sha-1", "md2" and "md5". base64Sig = CkRsaW_signStringENC(rsa,strData,L"sha256"); wprintf(L"%s\n",base64Sig); wprintf(L"Success!\n"); CkRsaW_Dispose(rsa); CkPfxW_Dispose(pfx); } |
© 2000-2024 Chilkat Software, Inc. All Rights Reserved.