public void TestFromHexWithSpace()
{
const string hex = "01-0203-0405\t0607\r\n0809\r0a0b0c\n0d0e0f10 ";
byte[] bin = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
Assert.AreEqual(0, BinaryComparer.Compare(bin, HexEncoding.DecodeBytes(hex)));
Assert.AreEqual(0, BinaryComparer.Compare(bin, HexEncoding.DecodeBytes(Encoding.ASCII.GetBytes(hex))));
}
public void TestToFromHexPartial()
{
const string hex = "0102030405060708090a0b0c0d0e0f10";
byte[] bin = new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
Assert.AreEqual(hex.Substring(4, 10), HexEncoding.EncodeBytes(bin, 2, 5));
Assert.AreEqual(0, BinaryComparer.Compare(new byte[] { 3, 4, 5, 6 }, HexEncoding.DecodeBytes(hex, 4, 8)));
}
public void TestToFromHex()
{
byte[] all = new byte[256];
for (int i = 0; i < all.Length; i++)
{
all[i] = (byte)i;
}
Assert.AreEqual(AllHex, HexEncoding.EncodeBytes(all));
Assert.AreEqual(0, BinaryComparer.Compare(all, HexEncoding.DecodeBytes(AllHex)));
Assert.AreEqual(0, BinaryComparer.Compare(all, HexEncoding.DecodeBytes(AllHex.ToUpper())));
}
public void TestWriteHexStream()
{
using (Stream mem = new MemoryStream())
{
using (Stream io = new HexStream(new NonClosingStream(mem), CryptoStreamMode.Write))
io.Write(HexEncoding.DecodeBytes(AllHex), 0, AllHex.Length / 2);
Assert.AreEqual(AllHex.Length, mem.Position);
mem.Position = 0;
string test = new StreamReader(mem).ReadToEnd();
Assert.AreEqual(AllHex, test);
}
}
private void TestAes256CBC(bool enc, string key, string iv, string input, string expect)
{
ModifiedRijndael r = ModifiedRijndael.Create();
r.Mode = CipherMode.CBC;
r.Padding = PaddingMode.None;
r.BlockSize = iv.Length / 2 * 8;
r.IV = HexEncoding.DecodeBytes(iv);
r.KeySize = key.Length / 2 * 8;
r.Key = HexEncoding.DecodeBytes(key);
ICryptoTransform xf = enc ? r.CreateEncryptor() : r.CreateDecryptor();
byte[] result = xf.TransformFinalBlock(HexEncoding.DecodeBytes(input), 0, input.Length / 2);
byte[] test = HexEncoding.DecodeBytes(expect);
Assert.AreEqual(0, BinaryComparer.Compare(test, result));
}
public void TestFromHexWithUnevenCount()
{
const string hex = "0a 0";
HexEncoding.DecodeBytes(hex);
}
public void TestFromHexWithIllegalCharacter()
{
const string hex = "0x01";
HexEncoding.DecodeBytes(hex);
}