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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 <CkMailManW.h> #include <CkJsonObjectW.h> #include <CkCrypt2W.h> #include <CkSecureStringW.h> void ChilkatSample(void) { // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. CkMailManW mailman; bool success; // 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==" // } CkJsonObjectW json; json.LoadFile(L"qa_data/passwords/smtp.json"); CkCrypt2W crypt; // These are the encryption settings we previously used to encrypt the credentials within the JSON config file. crypt.put_CryptAlgorithm(L"aes"); crypt.put_CipherMode(L"cbc"); crypt.put_KeyLength(128); crypt.SetEncodedKey(L"000102030405060708090A0B0C0D0E0F",L"hex"); crypt.SetEncodedIV(L"000102030405060708090A0B0C0D0E0F",L"hex"); crypt.put_EncodingMode(L"base64"); CkSecureStringW ssLogin; CkSecureStringW ssPassword; // Decrypt to the secure string. (the strings will still held in memory encrypted, but are now encrypted using // a randomly generated session key.) crypt.DecryptSecureENC(json.stringOf(L"smtp_login"),ssLogin); crypt.DecryptSecureENC(json.stringOf(L"smtp_password"),ssPassword); // Set the SMTP domain, login, and password mailman.put_SmtpHost(L"smtp.gmail.com"); mailman.put_SmtpSsl(true); mailman.put_SmtpPort(465); mailman.put_SmtpUsername(ssLogin.access()); // Set the SmtpPassword property via the SetPassword method using the secure string. mailman.SetPassword(L"smtp",ssPassword); // Connect and authenticate.. success = mailman.SmtpConnect(); if (success != true) { wprintf(L"%s\n",mailman.lastErrorText()); return; } success = mailman.SmtpAuthenticate(); if (success != true) { wprintf(L"%s\n",mailman.lastErrorText()); return; } wprintf(L"SMTP login successful.\n"); // ... mailman.CloseSmtpConnection(); } |
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