public override bool Read(IClient client, IncomingAuthenticationPacket packet)
{
packet.ReadBigIntegerField("SRP A", WowAuthenticationParameters.KeySize);
packet.ReadBigIntegerField("SRP Proof", 20);
// SHA-1 hash of the PublicA and HMAC SHA-1 of the contents of WoW.exe and unicows.dll. HMAC seed is
// the 16 bytes at the end of the challenge sent by the server. Currently fairly useless for us.
packet.ReadBytesField("Client File SHA-1 Hash", 20);
var keyCount = packet.ReadByteField("Key Count");
if (keyCount > 0)
{
for (var i = 0; i < keyCount; i++)
{
packet.ReadInt16Field("Key - Unknown 1");
packet.ReadInt32Field("Key - Unknown 2");
packet.ReadBytesField("Key - Unknown 3", 4);
packet.ReadBytesField("Key - SHA-1 Hash", 20); // SHA-1(PublicA, PublicB, byte[20] unknown)
}
}
var securityFlags = (ExtraSecurityFlags)packet.ReadByteField("Extra Security Flags").Value;
if (securityFlags.HasFlag(ExtraSecurityFlags.Pin))
{
packet.ReadBytesField("PIN Random", 16);
packet.ReadBytesField("PIN SHA-1 Hash", 20);
}
if (securityFlags.HasFlag(ExtraSecurityFlags.Matrix))
{
packet.ReadBytesField("Matrix HMAC SHA-1 Hash", 20);
}
if (securityFlags.HasFlag(ExtraSecurityFlags.Token))
{
var tokenLength = packet.ReadByteField("Security Token Length");
packet.ReadBytesField("Security Token", tokenLength);
}
return true;
}
public override bool Read(IClient client, IncomingAuthenticationPacket packet)
{
packet.ReadBigIntegerField("Reconnect Proof R1", 16); // MD5(AccountName, byte[16] random)
packet.ReadBigIntegerField("Reconnect Proof R2", 20); // SHA-1(AccountName, R1, ReconnectProof, SessionKey)
packet.ReadBigIntegerField("Reconnect Proof R3", 20); // SHA-1(R1, byte[16] zeros)
var keyCount = packet.ReadByteField("Key Count");
if (keyCount > 0)
{
for (var i = 0; i < keyCount; i++)
{
packet.ReadInt16Field("Key - Unknown 1");
packet.ReadInt32Field("Key - Unknown 2");
packet.ReadBytesField("Key - Unknown 3", 4);
packet.ReadBytesField("Key - SHA-1 Hash", 20); // SHA(PublicA, PublicB, byte[20] unknown)
}
}
return true;
}