static public void EncryptFile(string sourceFilePath, string encryptFilePath, string fileKeyPath)
{
Console.WriteLine($"Start encrypting");
var openKey = RSAKey.ReadFromFile(fileKeyPath);
using (var encodeFile = File.CreateText(encryptFilePath))
{
var bytesFromSourceFile = File.ReadAllBytes(sourceFilePath);
var isFirstByte = true;
var count = 0;
foreach (byte @byte in bytesFromSourceFile)
{
Console.WriteLine($"Byte number {count++} from {bytesFromSourceFile.Length}");
var code = Encrypt(new BigInteger(@byte), openKey);
if (!isFirstByte)
{
encodeFile.Write(Separator);
}
else
{
isFirstByte = false;
}
encodeFile.Write(code);
}
}
}
static public void DecryptFile(string encryptFilePath, string decryptFilePath, string fileKeyPath)
{
Console.WriteLine($"Start decrypting");
var closeKey = RSAKey.ReadFromFile(fileKeyPath);
using (var decodedFile = File.Create(decryptFilePath))
{
var encodedInformation = File.ReadAllText(encryptFilePath).Split(Separator);
var count = 0;
foreach (var block in encodedInformation)
{
Console.WriteLine($"Byte number {count++} from {encodedInformation.Length}");
var decodedBlock = Decrypt(BigInteger.Parse(block), closeKey).ToByteArray()[0];
decodedFile.WriteByte(decodedBlock);
}
}
}