public static WpcPacket ParsePacket(string recvStr)
{
List <WpcEntry> o = WpcEntry.ParseDataEntry(recvStr);
WpcEntry e;
try
{
e = WpcEntry.FindEntry(o, "PACK");
if (e != null)
{
byte[] hash = Secure.HashSHA1(e.Data);
Pack pack = null;
pack = Pack.CreateFromBuf(new Buf(e.Data));
e = WpcEntry.FindEntry(o, "HASH");
if (e != null)
{
byte[] hash2 = e.Data;
if (Util.CompareByte(hash, hash2))
{
e = WpcEntry.FindEntry(o, "CERT");
if (e != null)
{
Cert cert;
try
{
cert = new Cert(e.Data);
}
catch
{
return(null);
}
e = WpcEntry.FindEntry(o, "SIGN");
if (e != null)
{
byte[] sign = e.Data;
if (cert.RsaPublicKey.VerifyData(hash2, sign))
{
return(new WpcPacket(pack, hash2, cert, sign));
}
}
}
else
{
return(new WpcPacket(pack, hash2));
}
}
}
}
}
catch (OverflowException)
{
return(null);
}
return(null);
}
private WpcPacket(Pack pack, byte[] hash)
: this(pack, hash, null, null)
{
}
public static string GeneratePacket(Pack pack)
{
return(GeneratePacket(pack, null, null));
}
public void SetResponse(Pack pack, Cert cert, Rsa key)
{
responsePack = pack;
responseCert = cert;
responseKey = key;
}