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);
}
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 bool VerifyContinueSessionChallenge(byte[] proof, byte[] sessionKey, byte[] clientChallenge, byte[] serverChallenge, ulong connectionKey)
{
WowAuthCrypto.ValidateParameter(proof, 24, "proof");
byte[] right = WowAuthCrypto.ProveContinueSessionChallenge(sessionKey, clientChallenge, serverChallenge, connectionKey);
return(WowAuthCrypto.CompareBytes(proof, right));
}
public static bool VerifyRealmJoinChallenge(byte[] proof, byte[] clientSecret, byte[] joinSecret, byte[] clientChallenge, byte[] serverChallenge)
{
WowAuthCrypto.ValidateParameter(proof, 24, "proof");
byte[] right = WowAuthCrypto.ProveRealmJoinChallenge(clientSecret, joinSecret, clientChallenge, serverChallenge);
return(WowAuthCrypto.CompareBytes(proof, right));
}
