public NegTokenInit(
     MechTypeList mechTypes,
     ContextFlags reqFlags,
     Asn1OctetString mechToken,
     Asn1OctetString mechListMIC)
 {
     this.mechTypes = mechTypes;
     this.reqFlags = reqFlags;
     this.mechToken = mechToken;
     this.mechListMIC = mechListMIC;
 }