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(Unicode C) Duplicate Java Secure Token CreationDemonstrates how to duplicate some Java code that creates an RSA signature to create a base64 token.
#include <C_CkDateTimeW.h> #include <C_CkStringBuilderW.h> #include <C_CkCertW.h> #include <C_CkRsaW.h> void ChilkatSample(void) { BOOL success; HCkDateTimeW dt; const wchar_t *timeCreated; HCkStringBuilderW sbToken; HCkCertW cert; HCkRsaW rsa; const wchar_t *signature; const wchar_t *token; // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. // This example duplicates the following Java code: // public X509Certificate2 cert = new X509Certificate2(@"Some path to p12/p12file_name.p12","Password_for_p12"); // // public string GenerateSignToken(double timeValidityMin){ // string equalsSign = ":="; // string timeCreated = DateTime.Now.ToString("yyyy-MM-ddTHH:mm:ss.fffzzz"); // string tokenTimeInfo = "validityTimeMinutes" + equalsSign + timeValidityMin + ";"+"timeCreated" + equalsSign + timeCreated; // string signature = SignData(tokenTimeInfo); // string secureToken = tokenTimeInfo + ";" + "signature" + equalsSign + signature; // return Base64UrlEncode(secureToken); // } // // public string SignData(string stringToSign){ // byte[] dataToSign = Encoding.UTF8.GetBytes(stringToSign); // RSACryptoServiceProvider privKey = (RSACryptoServiceProvider)cert.PrivateKey; // CspKeyContainerInfo containerInfo = new RSACryptoServiceProvider().CspKeyContainerInfo; // CspParameters cspparams = new CspParameters(containerInfo.ProviderType, containerInfo.ProviderName, privKey.CspKeyContainerInfo.KeyContainerName); // privKey = new RSACryptoServiceProvider(cspparams); // string id = CryptoConfig.MapNameToOID("SHA256"); // byte[] sign = privKey.SignData(dataToSign, id); // bool res = privKey.VerifyData(dataToSign, id, sign); // return Convert.ToBase64String(sign).Replace('+', '-').Replace('/', '_').Replace("=", ""); // } // // private static string Base64UrlEncode(string input){ // var inputBytes = Encoding.UTF8.GetBytes(input); // return Convert.ToBase64String(inputBytes).Replace('+', '-').Replace('/', '_').Replace("=", ""); // } dt = CkDateTimeW_Create(); CkDateTimeW_SetFromCurrentSystemTime(dt); timeCreated = CkDateTimeW_getAsTimestamp(dt,TRUE); // Such as 2019-04-01T19:35:44-05:00 wprintf(L"%s\n",timeCreated); sbToken = CkStringBuilderW_Create(); CkStringBuilderW_Append(sbToken,L"validityTimeMinutes:=10.0;timeCreated:="); CkStringBuilderW_Append(sbToken,timeCreated); cert = CkCertW_Create(); success = CkCertW_LoadPfxFile(cert,L"Some path to p12/p12file_name.p12",L"Password_for_p12"); if (success != TRUE) { wprintf(L"%s\n",CkCertW_lastErrorText(cert)); CkDateTimeW_Dispose(dt); CkStringBuilderW_Dispose(sbToken); CkCertW_Dispose(cert); return; } rsa = CkRsaW_Create(); success = CkRsaW_SetX509Cert(rsa,cert,TRUE); if (success != TRUE) { wprintf(L"%s\n",CkRsaW_lastErrorText(rsa)); CkDateTimeW_Dispose(dt); CkStringBuilderW_Dispose(sbToken); CkCertW_Dispose(cert); CkRsaW_Dispose(rsa); return; } CkRsaW_putEncodingMode(rsa,L"base64url"); signature = CkRsaW_signStringENC(rsa,CkStringBuilderW_getAsString(sbToken),L"sha256"); if (CkRsaW_getLastMethodSuccess(rsa) == FALSE) { wprintf(L"%s\n",CkRsaW_lastErrorText(rsa)); CkDateTimeW_Dispose(dt); CkStringBuilderW_Dispose(sbToken); CkCertW_Dispose(cert); CkRsaW_Dispose(rsa); return; } CkStringBuilderW_Append(sbToken,L";signature:="); CkStringBuilderW_Append(sbToken,signature); // Base64URL encode the result CkStringBuilderW_Encode(sbToken,L"base64url",L"utf-8"); token = CkStringBuilderW_getAsString(sbToken); wprintf(L"%s\n",token); CkDateTimeW_Dispose(dt); CkStringBuilderW_Dispose(sbToken); CkCertW_Dispose(cert); CkRsaW_Dispose(rsa); } |
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