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(Unicode C) SMTP Login SecureDemonstrates how to set the SMTP password using a secure string. This example requires Chilkat v9.5.0.71 or greater.
#include <C_CkMailManW.h> #include <C_CkJsonObjectW.h> #include <C_CkCrypt2W.h> #include <C_CkSecureStringW.h> void ChilkatSample(void) { HCkMailManW mailman; BOOL success; HCkJsonObjectW json; HCkCrypt2W crypt; HCkSecureStringW ssLogin; HCkSecureStringW ssPassword; // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. mailman = CkMailManW_Create(); // Imagine we've previously saved our encrypted login and password within a JSON config file // that contains this: // { // "smtp_login": "D7lnlWY291LKMeChlvQq7N/Tg7ieuSB15a+9Ekyd0R4=", // "smtp_password": "5neIq9Jmn0E3p71N6Yc8TA==" // } json = CkJsonObjectW_Create(); CkJsonObjectW_LoadFile(json,L"qa_data/passwords/smtp.json"); crypt = CkCrypt2W_Create(); // These are the encryption settings we previously used to encrypt the credentials within the JSON config file. CkCrypt2W_putCryptAlgorithm(crypt,L"aes"); CkCrypt2W_putCipherMode(crypt,L"cbc"); CkCrypt2W_putKeyLength(crypt,128); CkCrypt2W_SetEncodedKey(crypt,L"000102030405060708090A0B0C0D0E0F",L"hex"); CkCrypt2W_SetEncodedIV(crypt,L"000102030405060708090A0B0C0D0E0F",L"hex"); CkCrypt2W_putEncodingMode(crypt,L"base64"); ssLogin = CkSecureStringW_Create(); ssPassword = CkSecureStringW_Create(); // Decrypt to the secure string. (the strings will still held in memory encrypted, but are now encrypted using // a randomly generated session key.) CkCrypt2W_DecryptSecureENC(crypt,CkJsonObjectW_stringOf(json,L"smtp_login"),ssLogin); CkCrypt2W_DecryptSecureENC(crypt,CkJsonObjectW_stringOf(json,L"smtp_password"),ssPassword); // Set the SMTP domain, login, and password CkMailManW_putSmtpHost(mailman,L"smtp.gmail.com"); CkMailManW_putSmtpSsl(mailman,TRUE); CkMailManW_putSmtpPort(mailman,465); CkMailManW_putSmtpUsername(mailman,CkSecureStringW_access(ssLogin)); // Set the SmtpPassword property via the SetPassword method using the secure string. CkMailManW_SetPassword(mailman,L"smtp",ssPassword); // Connect and authenticate.. success = CkMailManW_SmtpConnect(mailman); if (success != TRUE) { wprintf(L"%s\n",CkMailManW_lastErrorText(mailman)); CkMailManW_Dispose(mailman); CkJsonObjectW_Dispose(json); CkCrypt2W_Dispose(crypt); CkSecureStringW_Dispose(ssLogin); CkSecureStringW_Dispose(ssPassword); return; } success = CkMailManW_SmtpAuthenticate(mailman); if (success != TRUE) { wprintf(L"%s\n",CkMailManW_lastErrorText(mailman)); CkMailManW_Dispose(mailman); CkJsonObjectW_Dispose(json); CkCrypt2W_Dispose(crypt); CkSecureStringW_Dispose(ssLogin); CkSecureStringW_Dispose(ssPassword); return; } wprintf(L"SMTP login successful.\n"); // ... CkMailManW_CloseSmtpConnection(mailman); CkMailManW_Dispose(mailman); CkJsonObjectW_Dispose(json); CkCrypt2W_Dispose(crypt); CkSecureStringW_Dispose(ssLogin); CkSecureStringW_Dispose(ssPassword); } |
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