static void Main(string[] args)
{
if (args.Length < 2)
{
Console.WriteLine("Syntax: EncryptFile.exe <input-file> <output-file>");
Console.WriteLine(" For decryption, swap input and output file");
return;
}
byte[] key = new byte[]
{
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x6, 0x7,
0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0xE, 0xF
};
ICryptoTransform cipher = RabbitCipher.CreateEncryptor(key);
byte[] buffer = new byte[10000];
Stopwatch sw = new Stopwatch();
sw.Start();
using (FileStream infs = new FileStream(args[0], FileMode.Open, FileAccess.Read))
using (FileStream outfs = new FileStream(args[1], FileMode.Create, FileAccess.Write))
using (CryptoStream cs = new CryptoStream(outfs, cipher, CryptoStreamMode.Write))
{
while (true)
{
int r = infs.Read(buffer, 0, buffer.Length);
if (r <= 0)
{
break;
}
cs.Write(buffer, 0, r);
}
}
sw.Stop();
Console.WriteLine($"Elapsed time: {sw.ElapsedMilliseconds} ms");
}
private void MainTest()
{
RabbitCipher rc = new RabbitCipher(); //initialize
//generate IV And Key to be Used
rc.GenerateIV();
rc.GenerateKey();
//----------------------------<<
//begin encrypting
try
{
using (SymmetricAlgorithm RabbitCipher = new RabbitCipher())
using (ICryptoTransform transform = RabbitCipher.CreateEncryptor(rc.Key, rc.IV))
{
byte[] test_file = new byte[7675]; //not an actual file
byte[] output = new byte[test_file.Length]; //encyption does not change file size
if (test_file.Length % 16 != 0) //encrypts in bytes of 16 so if it is not perfectly made of 16 blocks we will need to transform the final block
{
int encrypted_bytes = transform.TransformBlock(test_file, 0, test_file.Length, output, 0);
//now the data is all encrypted in the output byte[] array
}
else
{
int encrypted_bytes = transform.TransformBlock(test_file, 0, test_file.Length, output, 0);
//now the data is all encrypted in the output byte[] array
}
}
}
catch (Exception ex)
{
Console.WriteLine("\nThere was An Error When Encrypting <> Error Code:\n\n" + ex.ToString());
}
//------------------<<
//begin Decrypting
try
{
using (SymmetricAlgorithm RabbitCipher = new RabbitCipher())
using (ICryptoTransform transform = RabbitCipher.CreateDecryptor(rc.Key, rc.IV))
{
byte[] encrypted_data = new byte[4343];
byte[] plaintext_data = new byte[encrypted_data.Length];
if (encrypted_data.Length % 16 != 0)
{
int decrypted_bytes = transform.TransformBlock(encrypted_data, 0, encrypted_data.Length, plaintext_data, 0);
//now decrypted
}
else
{
transform.TransformBlock(encrypted_data, 0, encrypted_data.Length, plaintext_data, 0);
//now decrypted
}
}
}
catch (Exception ex)
{
Console.WriteLine("\nThere was An Error When Decrypting <> Error Code:\n\n" + ex.ToString());
}
//------------------<<
}