public NegotiateContextToken(GssApiToken gssToken)
{
// SPNego tokens optimistically include a token of the first MechType
// so if mechType[0] == Ntlm process as ntlm, == kerb process as kerb, etc.
token = NegotiationToken.Decode(gssToken.Token);
}
public NegotiateContextToken(GssApiToken gssToken)
{
if (gssToken == null)
{
throw new ArgumentNullException(nameof(gssToken));
}
// SPNego tokens optimistically include a token of the first MechType
// so if mechType[0] == Ntlm process as ntlm, == kerb process as kerb, etc.
this.Token = NegotiationToken.Decode(gssToken.Token);
}
public ReadOnlyMemory <byte> EncodeNegotiate()
{
var negoToken = new NegotiationToken
{
InitialToken = new NegTokenInit
{
MechTypes = new[] { SPNegoOid },
MechToken = EncodeApplication()
}
};
return(negoToken.Encode().AsMemory());
}
public ReadOnlyMemory <byte> EncodeGssApi()
{
var token = GssApiToken.Encode(Kerberos5Oid, this);
var negoToken = new NegotiationToken
{
InitialToken = new NegTokenInit
{
MechTypes = new[] { Kerberos5Oid },
MechToken = token
}
};
return(GssApiToken.Encode(SPNegoOid, negoToken));
}
public static ReadOnlyMemory <byte> Encode(Oid oid, NegotiationToken token)
{
using (var writer = new AsnWriter(AsnEncodingRules.DER))
{
writer.PushSequence(ApplicationTag);
writer.WriteObjectIdentifier(oid);
writer.WriteEncodedValue(token.Encode());
writer.PopSequence(ApplicationTag);
return(writer.Encode());
}
}
public static ReadOnlyMemory <byte> Encode(Oid oid, NegotiationToken token)
{
if (token == null)
{
throw new ArgumentNullException(nameof(token));
}
using (var writer = new AsnWriter(AsnEncodingRules.DER))
{
writer.PushSequence(ApplicationTag);
writer.WriteObjectIdentifier(oid);
writer.WriteEncodedValue(token.Encode().Span);
writer.PopSequence(ApplicationTag);
return(writer.Encode());
}
}
