public void CanCalculatePMK()
{
var expected = new byte[] { 0x1d, 0x4d, 0xf5, 0x5d, 0xd8, 0xd9, 0x13, 0xf5, 0x54, 0x0d, 0x05, 0x3c, 0xdb, 0x57, 0x83, 0x53
, 0xd0, 0x6c, 0x0f, 0xb3, 0x50, 0x71, 0x10, 0xee, 0x48, 0xda, 0xce, 0x2b, 0x60, 0xf6, 0xd0, 0xd4
, 0xc2, 0x24, 0x39, 0x9f, 0xe8, 0x1d, 0x1e, 0x80 };
var essid = "T3st1ng";
var psk = new byte[] { 0x6E, 0x9C, 0x7A, 0x91, 0x9F, 0xB8, 0xAE, 0x93, 0xC1, 0xAB, 0x80, 0x3C, 0x09, 0x00 };
var actual = IEEE802_11Crypto.CalculatePMK(psk, System.Text.Encoding.UTF8.GetBytes(essid), 40);
expected.SequenceEqual(actual).Should().BeTrue();
}
public void CanDecryptWPA2()
{
var beacon = new byte[]
{
0x80, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x64, 0x70, 0x02, 0xd1, 0x9e,
0x6f, 0x64, 0x70, 0x02, 0xd1, 0x9e, 0x6f, 0xe0, 0x36, 0x80, 0x41, 0xd5, 0x03, 0x00, 0x00,
0x00, 0x00, 0x64, 0x00, 0x31, 0x04, 0x00, 0x1f, 0x57, 0x69, 0x72, 0x65, 0x6c, 0x65, 0x73,
0x73, 0x41, 0x63, 0x63, 0x65, 0x73, 0x73, 0x20, 0x28, 0x4c, 0x65, 0x67, 0x61, 0x63, 0x79,
0x20, 0x44, 0x65, 0x76, 0x69, 0x63, 0x65, 0x73, 0x29, 0x01, 0x08, 0x82, 0x84, 0x8b, 0x96,
0x8c, 0x12, 0x98, 0x24, 0x03, 0x01, 0x06, 0x05, 0x04, 0x00, 0x01, 0x00, 0x00, 0x2a, 0x01,
0x00, 0x30, 0x14, 0x01, 0x00, 0x00, 0x0f, 0xac, 0x04, 0x01, 0x00, 0x00, 0x0f, 0xac, 0x04,
0x01, 0x00, 0x00, 0x0f, 0xac, 0x02, 0x00, 0x00, 0x32, 0x04, 0xb0, 0x48, 0x60, 0x6c, 0xdd,
0x18, 0x00, 0x50, 0xf2, 0x02, 0x01, 0x01, 0x84, 0x00, 0x03, 0xa4, 0x00, 0x00, 0x27, 0xa4,
0x00, 0x00, 0x42, 0x43, 0x5e, 0x00, 0x62, 0x32, 0x2f, 0x00, 0xdd, 0x09, 0x00, 0x03, 0x7f,
0x01, 0x01, 0x00, 0x00, 0xff, 0x7f
};
var eapol1 = new byte[]
{
0x88, 0x02, 0x3a, 0x01, 0x8c, 0x70, 0x5a, 0x59, 0x9e, 0x88, 0x64, 0x70, 0x02, 0xd1, 0x9e,
0x6f, 0x64, 0x70, 0x02, 0xd1, 0x9e, 0x6f, 0x00, 0x00, 0x06, 0x00, 0xaa, 0xaa, 0x03, 0x00,
0x00, 0x00, 0x88, 0x8e, 0x02, 0x03, 0x00, 0x5f, 0x02, 0x00, 0x8a, 0x00, 0x10, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x72, 0xd3, 0xd5, 0x5d, 0xeb, 0x88, 0xf2, 0xf9, 0x3a,
0x73, 0x6d, 0x0b, 0xdd, 0x02, 0x0b, 0x38, 0x42, 0xe4, 0x48, 0xe1, 0x25, 0xc4, 0x93, 0x0a,
0xab, 0x75, 0x0b, 0x85, 0x9e, 0xb7, 0xb6, 0xe4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
var eapol2 = new byte[]
{
0x88, 0x01, 0x3c, 0x00, 0x64, 0x70, 0x02, 0xd1, 0x9e, 0x6f, 0x8c, 0x70, 0x5a, 0x59, 0x9e,
0x88, 0x64, 0x70, 0x02, 0xd1, 0x9e, 0x6f, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xaa, 0x03, 0x00,
0x00, 0x00, 0x88, 0x8e, 0x01, 0x03, 0x00, 0x77, 0x02, 0x01, 0x0a, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x8b, 0xaf, 0xcc, 0x0e, 0xfa, 0x80, 0x93, 0xe6, 0xc2,
0x98, 0x8b, 0x48, 0x9a, 0x22, 0x90, 0x83, 0xf8, 0xea, 0x00, 0x46, 0x10, 0x74, 0x29, 0xf1,
0xd7, 0x2d, 0x4d, 0x18, 0x89, 0xc8, 0x6d, 0x4c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x69, 0xa6, 0xce, 0x5f, 0xea,
0x3c, 0xf1, 0x69, 0x7b, 0xf3, 0xa7, 0x8f, 0x6f, 0x09, 0x60, 0xea, 0x00, 0x18, 0x30, 0x16,
0x01, 0x00, 0x00, 0x0f, 0xac, 0x04, 0x01, 0x00, 0x00, 0x0f, 0xac, 0x04, 0x01, 0x00, 0x00,
0x0f, 0xac, 0x02, 0x3c, 0x00, 0x00, 0x00
};
var eapol3 = new byte[]
{
0x88, 0x02, 0x3a, 0x01, 0x8c, 0x70, 0x5a, 0x59, 0x9e, 0x88, 0x64, 0x70, 0x02, 0xd1, 0x9e,
0x6f, 0x64, 0x70, 0x02, 0xd1, 0x9e, 0x6f, 0x10, 0x00, 0x06, 0x00, 0xaa, 0xaa, 0x03, 0x00,
0x00, 0x00, 0x88, 0x8e, 0x02, 0x03, 0x00, 0x97, 0x02, 0x13, 0xca, 0x00, 0x10, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x72, 0xd3, 0xd5, 0x5d, 0xeb, 0x88, 0xf2, 0xf9, 0x3a,
0x73, 0x6d, 0x0b, 0xdd, 0x02, 0x0b, 0x38, 0x42, 0xe4, 0x48, 0xe1, 0x25, 0xc4, 0x93, 0x0a,
0xab, 0x75, 0x0b, 0x85, 0x9e, 0xb7, 0xb6, 0xe4, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x42, 0xaa, 0x5a, 0x23, 0xeb,
0x3a, 0x90, 0xa8, 0x04, 0xf7, 0xe0, 0x20, 0x5f, 0x11, 0xd7, 0x63, 0x00, 0x38, 0x02, 0x0a,
0x39, 0x03, 0x49, 0xc0, 0xc2, 0xf4, 0x6c, 0xce, 0xe1, 0xf6, 0x7e, 0x12, 0x45, 0xe3, 0xe4,
0x37, 0x3a, 0x83, 0xd0, 0xc5, 0xfe, 0xd5, 0xa2, 0x84, 0x8c, 0x22, 0x15, 0x77, 0x88, 0x06,
0xf8, 0xf5, 0x11, 0xa3, 0xe4, 0xdc, 0xe0, 0xfe, 0xaf, 0x73, 0xdc, 0x9b, 0xeb, 0x29, 0x4d,
0x9c, 0xac, 0x25, 0x86, 0x73, 0xf4, 0x9f, 0x12, 0x2b
};
var eapol4 = new byte[]
{
0x88, 0x01, 0x3c, 0x00, 0x64, 0x70, 0x02, 0xd1, 0x9e, 0x6f, 0x8c, 0x70, 0x5a, 0x59, 0x9e,
0x88, 0x64, 0x70, 0x02, 0xd1, 0x9e, 0x6f, 0x10, 0x00, 0x00, 0x00, 0xaa, 0xaa, 0x03, 0x00,
0x00, 0x00, 0x88, 0x8e, 0x01, 0x03, 0x00, 0x5f, 0x02, 0x03, 0x0a, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xba, 0x0d, 0x2b, 0x91, 0x0c,
0xe9, 0x0b, 0xf4, 0xcb, 0x2b, 0xf2, 0x35, 0x3e, 0x9f, 0xa7, 0x4a, 0x00, 0x00
};
var encryptedUDP = new byte[]
{
0x88, 0x41, 0x2c, 0x00, 0x64, 0x70, 0x02, 0xd1, 0x9e, 0x6f, 0x8c, 0x70, 0x5a, 0x59,
0x9e, 0x88, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x20, 0x00, 0x00, 0x00, 0x01, 0x00,
0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x10, 0xdd, 0x60, 0xe7, 0x42, 0x7f, 0xb0, 0xc5,
0x2c, 0x70, 0x9e, 0x81, 0xb4, 0x17, 0x70, 0xa9, 0xf3, 0x69, 0x39, 0xf6, 0x62, 0xbd,
0x5f, 0x2b, 0x90, 0x4a, 0x1d, 0xae, 0x89, 0x13, 0x33, 0xfa, 0x9b, 0x41, 0xe8, 0xeb,
0x95, 0x96, 0x60, 0x77, 0x95, 0x58, 0x3d, 0xe4, 0x97, 0x72, 0xa8, 0xf2, 0x5a, 0x62,
0x89, 0x05, 0x1c, 0x7f, 0xeb, 0x62, 0x95, 0xd0, 0x39, 0x20, 0xee, 0x3d, 0x70, 0x93,
0x00, 0x7e, 0xb0, 0x57, 0xb6, 0xc2, 0xd1, 0xd3, 0x1a, 0x6e, 0xb2, 0xb0, 0xcb, 0xcd,
0xa0, 0x5a, 0x7b, 0x70, 0xfd, 0x78, 0x17, 0x5f, 0x59, 0xad, 0xd9, 0x69, 0x6d, 0x3c,
0x03, 0x28
};
var PSK = "slapnuts2013fuckyouthisismywifi";
var SSID = "WirelessAccess (Legacy Devices)";
var parsedBeacon = IEEE802_11Factory.Instance.ParseAs(beacon);
var parsedEapol1 = IEEE802_11Factory.Instance.ParseAs(eapol1);
var parsedEapol2 = IEEE802_11Factory.Instance.ParseAs(eapol2);
var parsedEapol3 = IEEE802_11Factory.Instance.ParseAs(eapol3);
var parsedEapol4 = IEEE802_11Factory.Instance.ParseAs(eapol4);
var parsedEncryptedUdp = IEEE802_11Factory.Instance.ParseAs(encryptedUDP);
var anonce = parsedEapol1.Layer <EapolKey>().Nonce;
var snonce = parsedEapol2.Layer <EapolKey>().Nonce;
var bssid = parsedEapol1.Layer <IEEE802_11>().BSSID;
var stmac = parsedEapol1.Layer <IEEE802_11>().Destination;
var pmk = IEEE802_11Crypto.CalculatePMK(PSK, SSID);
var ptk = IEEE802_11Crypto.CalculatePTK(pmk, stmac, bssid, snonce, anonce);
var results =
new[] { /*parsedEapol2, parsedEapol3,*/ parsedEapol4 }.Select(
p => p.Layer <IEEE802_1x <EapolKey> >().PtkIsValid(ptk)).ToArray();
IPacket decryptedPacket;
var micCheck = IEEE802_11Crypto.TryDecryptCCMP(parsedEncryptedUdp,
ptk.Skip(32).Take(16).ToArray(),
IEEE802_11Crypto.DecryptionHeaderMode.Removed,
out decryptedPacket);
micCheck.Should().BeTrue();
decryptedPacket.Layers().OfType <IPv4>().Count().Should().Be(1);
decryptedPacket.Layers().OfType <UDP>().Count().Should().Be(1);
}