internal NegotiateInitAuthenticationToken(byte[] data, IEnumerable <string> mechlist,
NegotiateContextFlags flags, AuthenticationToken token, byte[] mic)
: base(data, token, mic)
{
MechanismList = mechlist;
ContextFlags = flags;
}
private static bool ParseInit(byte[] data, DERValue[] values, int token_count, bool client, out NegotiateAuthenticationToken token)
{
token = null;
if (!values.CheckValueSequence())
{
return(false);
}
IEnumerable <string> mech_list = null;
NegotiateContextFlags flags = NegotiateContextFlags.None;
AuthenticationToken auth_token = null;
byte[] mic = null;
foreach (var next in values[0].Children)
{
if (next.Type != DERTagType.ContextSpecific)
{
return(false);
}
switch (next.Tag)
{
case 0:
mech_list = ParseMechList(next.Children);
break;
case 1:
flags = ConvertContextFlags(next.ReadChildBitString());
break;
case 2:
auth_token = ParseToken(next.ReadChildOctetString(), token_count, client);
break;
case 3:
// If NegTokenInit2 then just ignore neg hints.
if (next.HasChildren() && next.Children[0].CheckSequence())
{
break;
}
mic = next.ReadChildOctetString();
break;
case 4:
// Used if NegTokenInit2.
mic = next.ReadChildOctetString();
break;
default:
return(false);
}
}
token = new NegotiateInitAuthenticationToken(data, mech_list, flags, auth_token, mic);
return(true);
}
