public void HandleEncryption(EncryptionParams encryptionParams)
{
var dataToProcess = ReadAllBytesFromFile(encryptionParams.InputFileName);
var key = ReadAllBytesFromFile(encryptionParams.KeyFileName);
_symmetricCipherManager.Key = key;
_symmetricCipherManager.CipherMode = encryptionParams.SymmetricCipherMode;
_symmetricCipherManager.CipherBlockSize = encryptionParams.CipherBlockSize;
if (encryptionParams.SymmetricCipherMode is not SymmetricCipherMode.ElectronicCodeBook)
{
var initializationVector = ReadAllBytesFromFile(encryptionParams.InitializationVectorFileName);
_symmetricCipherManager.InitializationVector = initializationVector;
}
var processedData = new byte[] {};
switch (encryptionParams.CipherAction)
{
case CipherAction.Encrypt:
processedData = _symmetricCipherManager.Encrypt(dataToProcess);
break;
case CipherAction.Decrypt:
processedData = _symmetricCipherManager.Decrypt(dataToProcess);
break;
}
WriteAllBytesToFile(encryptionParams.OutputFileName, processedData);
}
private void Decrypt()
{
Console.WriteLine("Введите имя файла для расшифровки");
var inputFileName = Console.ReadLine();
Console.WriteLine("Введите имя файла, который нужно сохранить");
var outputFileName = Console.ReadLine();
Console.WriteLine("Введите имя файла ключа, который нужно сохранить");
var keyFileName = Console.ReadLine();
var encryptionParams = new EncryptionParams(CipherAction.Decrypt, _cipherBlockSize,
SymmetricCipherMode.ElectronicCodeBook,
inputFileName, outputFileName, keyFileName);
_symmetricSystem.HandleEncryption(encryptionParams);
}