public void FailWithNotEqualsIvs()
{
var encoded = Xor.Encode("12345678901234567890123456789012", "12345678", "message", SBlockTypes.GOST);
var decoded = Xor.Decode("12345678901234567890123456789012", "00000000", "message", SBlockTypes.GOST);
Assert.IsNotNull(encoded);
Assert.IsNotNull(decoded);
Assert.IsNotEmpty(encoded);
Assert.IsNotEmpty(decoded);
Assert.AreNotEqual(decoded, encoded);
}
public void PassWithStrings()
{
var encoded = Xor.Encode("12345678901234567890123456789012", "12345678", "message", SBlockTypes.GOST);
var decoded = Xor.Decode("12345678901234567890123456789012", "12345678", "message", SBlockTypes.GOST);
Assert.IsNotNull(encoded);
Assert.IsNotNull(decoded);
Assert.IsNotEmpty(encoded);
Assert.IsNotEmpty(decoded);
Assert.AreEqual(decoded, encoded);
}
public void PassWithBytes()
{
byte[] key = Encoding.UTF8.GetBytes("12345678901234567890123456789012");
byte[] iv = Encoding.Default.GetBytes("12345678");
byte[] message = Encoding.Default.GetBytes("message");
var encoded = Xor.Encode(key, iv, message, SBlockTypes.GOST);
var decoded = Xor.Decode(key, iv, message, SBlockTypes.GOST);
Assert.IsNotNull(encoded);
Assert.IsNotNull(decoded);
Assert.IsNotEmpty(encoded);
Assert.IsNotEmpty(decoded);
Assert.AreEqual(decoded, encoded);
}
private byte[] DecryptGost(Stream s)
{
using (var key = new Rfc2898DeriveBytes(Key, Salt))
{
using (var aesAlg = new RijndaelManaged())
{
var gostIV = ReadByteArray(s);
var gostKey = key.GetBytes(aesAlg.KeySize / 8);
var encrypted = new byte[s.Length - s.Position];
s.Read(encrypted, 0, encrypted.Length);
return(Xor.Decode(gostKey, gostIV, encrypted, SBlockTypes.GOST));
}
}
}
