#include #include using namespace Upp; CONSOLE_APP_MAIN { StdLogSetup(LOG_COUT | LOG_FILE); const String plaintext = "Secret message: Doomsday code is 12345."; const String password = "password123456!@#"; String encrypted, decrypted; // Encrypt if(encrypted = AES256Encrypt(plaintext, password); !encrypted.IsVoid()) { RLOG("Encryption successful."); RLOG("Encrypted data (hex): " << HexString(encrypted)); } else { RLOG("Encryption failed."); return; } // Decrypt if(decrypted = AES256Decrypt(encrypted, password); !decrypted.IsVoid()) { RLOG("Decryption successful."); RLOG("Decrypted text: " << decrypted); } else { RLOG("Decryption failed."); return; } // Check if original matches decrypted if(decrypted == plaintext) RLOG("Roundtrip successful: Decrypted text matches original."); else RLOG("Roundtrip failed: Data mismatch."); }