public override void SetParameter(Octets param)
{
Octets k_ipad = new Octets(64);
int keylen = param.size();
if (keylen > 64)
{
Octets key = MD5Hash.Digest(param);
k_ipad.replace(key);
k_opad.replace(key);
keylen = key.size();
}
else
{
k_ipad.replace(param);
k_opad.replace(param);
}
int i = 0;
for (; i < keylen; i++)
{
k_ipad.setByte(i, (byte)(k_ipad.getByte(i) ^ 0x36));
k_opad.setByte(i, (byte)(k_opad.getByte(i) ^ 0x5c));
}
for (; i < 64; i++)
{
k_ipad.setByte(i, (byte)0x36);
k_opad.setByte(i, (byte)0x5c);
}
k_ipad.resize(64);
k_opad.resize(64);
md5hash.Update(k_ipad);
}
internal bool Output(Octets data)
{
if (data.size() + obuffer.size() > obuffer.capacity())
return false;
osec.Update(data);
obuffer.insert(obuffer.size(), data);
return true;
}
public override Octets Update(Octets o)
{
int len = o.size();
for (int i = 0; i < len; i++)
{
index2 += perm[(++index1) & 0xff];
byte k = perm[index1 & 0xff]; perm[index1 & 0xff] = perm[index2 & 0xff]; perm[index2 & 0xff] = k;
byte j = (byte)(perm[index1 & 0xff] + perm[index2 & 0xff]);
o.setByte(i, (byte)(o.getByte(i) ^ perm[j & 0xff]));
}
return o;
}
public override void SetParameter(Octets o)
{
int keylen = o.size();
byte j = 0;
for (int i = 0; i < 256; i++) perm[i] = (byte)i;
for (int i = 0; i < 256; i++)
{
j += perm[i];
j += o.getByte(i % keylen);
byte k; k = perm[i]; perm[i] = perm[j & 0xff]; perm[j & 0xff] = k;
}
index1 = index2 = 0;
}
public OctetsStream marshal(Octets o)
{
compact_sint32(o.size());
insert(size(), o);
return this;
}
internal Octets Final(Octets oin)
{
if (oin.size() == 0 && legacy_in == 0)
return oin;
Octets oout = Update(oin);
int osize = oout.size();
oout.reserve(osize + (int)legacy_in * 9 / 8 + 6);
byte[] obuf = oout.buffer();
uint opos = (uint)osize;
compress_block(obuf, ref opos, legacy_in);
oout.resize((int)opos);
return oin.swap(oout);
}
internal Octets Update(Octets oin)
{
Octets oout = new Octets();
uint ipos = 0, opos = 0;
byte[] ibuf = oin.buffer();
uint isize = (uint)oin.size();
uint remain = (uint)MPPC.MPPC_HIST_LEN - histptr - legacy_in;
if (isize >= remain)
{
oout.resize((int)(isize + legacy_in) * 9 / 8 + 6);
byte[] obuf = oout.buffer();
Array.Copy(ibuf, ipos, history, histptr + legacy_in, remain);
isize -= remain;
ipos += remain;
compress_block(obuf, ref opos, remain + legacy_in);
histptr = 0;
for (; isize >= (uint)MPPC.MPPC_HIST_LEN;
isize -= (uint)MPPC.MPPC_HIST_LEN, ipos += (uint)MPPC.MPPC_HIST_LEN)
{
Array.Copy(ibuf, ipos, history, histptr, (int)MPPC.MPPC_HIST_LEN);
compress_block(obuf, ref opos, (uint)MPPC.MPPC_HIST_LEN);
histptr = 0;
}
oout.resize((int)opos);
}
Array.Copy(ibuf, ipos, history, histptr + legacy_in, isize);
legacy_in += isize;
return oin.swap(oout);
}
public Octets insert(int from, Octets data)
{
return insert(from, data._buffer, 0, data.size());
}
public static Command DecodeCommand(Octets content)
{
MemoryStream ms = new MemoryStream(content.buffer());
BinaryReader br = new BinaryReader(ms);
short type = 0;
Command cmd = null;
try
{
type = br.ReadInt16();
cmd = CommandList.CreateS2CCommand(type);
if (cmd == null)
{
Debug.Log(string.Format("Command instance not found, type: {0}", (S2C.S2C_COMMAND)type));
return null;
}
cmd.ReceivedSize = content.size();
cmd.unmarshal(br);
if (br.BaseStream.Position != content.size())
{
Debug.LogWarning(string.Format("Command decode BufferLength don't match, type: {0}", (S2C.S2C_COMMAND)type));
}
}
catch (System.Exception)
{
Debug.LogWarning(string.Format("Command decode error, type: {0}", (S2C.S2C_COMMAND)type));
cmd = null;
}
return cmd;
}
