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);
}
public OctetsStream unmarshal(Octets os, int size)
{
if (pos + size > this.size()) throw new MarshalException();
os.replace(this, pos, size);
pos += size;
return this;
}
public override Octets Final(Octets digest)
{
digest.replace(md5.ComputeHash(context.getBytes()));
context.clear();
return digest;
}
public OctetsStream unmarshal(Octets os)
{
int size = (int)uncompact_uint32();
if (pos + size > this.size()) throw new MarshalException();
os.replace(this, pos, size);
pos += size;
return this;
}