private static ExitCode RunCryptOptionsAndReturnExitCode(CryptOptions cryptOptions) { AesEncryptionResult aesEncryptionResult = null; switch (cryptOptions.InputType.ToLower()) { case "string": { aesEncryptionResult = (cryptOptions.Algorithm.ToLower()) switch { "aes128cbc" => new AE_AES_128_CBC_HMAC_SHA_256().EncryptString(cryptOptions.InputToBeEncrypted, cryptOptions.Password), "aes192cbc" => new AE_AES_192_CBC_HMAC_SHA_384().EncryptString(cryptOptions.InputToBeEncrypted, cryptOptions.Password), "aes256cbc" => new AE_AES_256_CBC_HMAC_SHA_512().EncryptString(cryptOptions.InputToBeEncrypted, cryptOptions.Password), "aes128gcm" => new AEAD_AES_128_GCM().EncryptString(cryptOptions.InputToBeEncrypted, cryptOptions.Password, cryptOptions.AssociatedData), "aes192gcm" => new AEAD_AES_192_GCM().EncryptString(cryptOptions.InputToBeEncrypted, cryptOptions.Password, cryptOptions.AssociatedData), "aes256gcm" => new AEAD_AES_256_GCM().EncryptString(cryptOptions.InputToBeEncrypted, cryptOptions.Password, cryptOptions.AssociatedData), _ => new AesEncryptionResult() { Success = false, Message = $"Unknown algorithm \"{cryptOptions.Algorithm}\"." }, }; } break; case "file": { switch (cryptOptions.Algorithm.ToLower()) { case "aes128cbc": { using (var progressBar = new ProgressBar()) { var aes128 = new AE_AES_128_CBC_HMAC_SHA_256(); aes128.OnEncryptionProgress += (percentageDone, message) => { progressBar.Report((double)percentageDone / 100); }; aes128.OnEncryptionMessage += (msg) => { progressBar.WriteLine(msg); }; aesEncryptionResult = aes128.EncryptFile(cryptOptions.InputToBeEncrypted, cryptOptions.OutputFilePath, cryptOptions.Password, cryptOptions.DeleteSourceFile); } } break; case "aes192cbc": { using (var progressBar = new ProgressBar()) { var aes192 = new AE_AES_192_CBC_HMAC_SHA_384(); aes192.OnEncryptionProgress += (percentageDone, message) => { progressBar.Report((double)percentageDone / 100); }; aes192.OnEncryptionMessage += (msg) => { progressBar.WriteLine(msg); }; aesEncryptionResult = aes192.EncryptFile(cryptOptions.InputToBeEncrypted, cryptOptions.OutputFilePath, cryptOptions.Password, cryptOptions.DeleteSourceFile); } } break; case "aes256cbc": { using (var progressBar = new ProgressBar()) { var aes256 = new AE_AES_256_CBC_HMAC_SHA_512(); aes256.OnEncryptionProgress += (percentageDone, message) => { progressBar.Report((double)percentageDone / 100); }; aes256.OnEncryptionMessage += (msg) => { progressBar.WriteLine(msg); }; aesEncryptionResult = aes256.EncryptFile(cryptOptions.InputToBeEncrypted, cryptOptions.OutputFilePath, cryptOptions.Password, cryptOptions.DeleteSourceFile); } } break; case "aes128gcm": case "aes192gcm": case "aes256gcm": aesEncryptionResult = new AesEncryptionResult() { Success = false, Message = $"Algorithm \"{cryptOptions.Algorithm}\" currently not available for file encryption." }; break; default: aesEncryptionResult = new AesEncryptionResult() { Success = false, Message = $"Unknown algorithm \"{cryptOptions.Algorithm}\"." }; break; } } break; default: aesEncryptionResult = new AesEncryptionResult() { Success = false, Message = $"Unknown input type \"{cryptOptions.InputType}\"." }; break; } if (aesEncryptionResult.Success) { Console.WriteLine(cryptOptions.InputType.ToLower().Equals("string") ? aesEncryptionResult.EncryptedDataBase64String : aesEncryptionResult.Message); return(ExitCode.Sucess); } else { Console.WriteLine(aesEncryptionResult.Message); return(ExitCode.Error); } }