public static byte[] ProveRealmJoinChallenge(byte[] clientSecret, byte[] joinSecret, byte[] clientChallenge, byte[] serverChallenge)
{
WowAuthCrypto.ValidateParameter(clientSecret, 32, "clientSecret");
WowAuthCrypto.ValidateParameter(joinSecret, 32, "joinSecret");
WowAuthCrypto.ValidateParameter(clientChallenge, 16, "clientChallenge");
WowAuthCrypto.ValidateParameter(serverChallenge, 16, "serverChallenge");
SHA256 sHA = new SHA256CryptoServiceProvider();
byte[] array = sHA.ComputeHash(WowAuthCrypto.Concatenate(new byte[][]
{
clientSecret,
joinSecret
}));
HMACSHA256 hMACSHA = new HMACSHA256(array);
byte[] array2 = hMACSHA.ComputeHash(WowAuthCrypto.Concatenate(new byte[][]
{
clientChallenge,
serverChallenge,
WowAuthCrypto.REALM_JOIN_TAG
}));
byte[] array3 = new byte[24];
Array.Copy(array2, array3, array3.Length);
return(array3);
}
private void Process()
{
this.data = this.sha256.ComputeHash(WowAuthCrypto.Concatenate(new byte[][]
{
this.key0,
this.data,
this.key1
}));
this.used = 0;
}
public static byte[] MakeSessionKey(byte[] clientSecret, byte[] joinSecret, byte[] clientChallenge, byte[] userRouterChallenge)
{
SHA256 sHA256CryptoServiceProvider = new SHA256CryptoServiceProvider();
byte[] numArray = sHA256CryptoServiceProvider.ComputeHash(WowAuthCrypto.Concatenate(new byte[][] { clientSecret, joinSecret }));
HMACSHA256 hMACSHA256 = new HMACSHA256(numArray);
byte[] numArray1 = hMACSHA256.ComputeHash(WowAuthCrypto.Concatenate(new byte[][] { userRouterChallenge, clientChallenge, WowAuthCrypto.MAKE_SESSION_KEY_TAG }));
return((new WowAuthCrypto.CryptoRandom(numArray1)).Read(40));
}
public static byte[] ProveContinueSessionChallenge(byte[] sessionKey, byte[] clientChallenge, byte[] serverChallenge, ulong connectionKey)
{
WowAuthCrypto.ValidateParameter(sessionKey, 40, "sessionKey");
WowAuthCrypto.ValidateParameter(clientChallenge, 16, "clientChallenge");
WowAuthCrypto.ValidateParameter(serverChallenge, 16, "serverChallenge");
byte[] bytes = BitConverter.GetBytes(connectionKey);
if (!BitConverter.IsLittleEndian)
{
Array.Reverse(bytes);
}
HMACSHA256 hMACSHA256 = new HMACSHA256(sessionKey);
byte[] numArray = hMACSHA256.ComputeHash(WowAuthCrypto.Concatenate(new byte[][] { bytes, clientChallenge, serverChallenge, WowAuthCrypto.CONTINUE_SESSION_TAG }));
byte[] numArray1 = new byte[24];
Array.Copy(numArray, numArray1, (int)numArray1.Length);
return(numArray1);
}
public static byte[] MakeSessionKey(byte[] clientSecret, byte[] joinSecret, byte[] clientChallenge, byte[] userRouterChallenge)
{
SHA256 sha = new SHA256CryptoServiceProvider();
byte[] key = sha.ComputeHash(WowAuthCrypto.Concatenate(new byte[][]
{
clientSecret,
joinSecret
}));
HMACSHA256 hmacsha = new HMACSHA256(key);
byte[] seed = hmacsha.ComputeHash(WowAuthCrypto.Concatenate(new byte[][]
{
userRouterChallenge,
clientChallenge,
WowAuthCrypto.MAKE_SESSION_KEY_TAG
}));
WowAuthCrypto.CryptoRandom cryptoRandom = new WowAuthCrypto.CryptoRandom(seed);
return(cryptoRandom.Read(40));
}
