A mobile agent clone detection system with itinerary privacy

We propose a system for the detection of unauthorized cloning of mobile agents by malicious hosts. The system can detect clones after the fact, identify the culprit, and then seek penalties. The agent migration protocol is offline (non-centralized). The itinerary of an agent is privacy-protected. Our scheme is based on H.Y. Wong´s (2001) transferable extension of N. Ferguson´s (1993) single-term offline untraceable e-cash. The main technique is to map the clone detection problem to the double-spending problem in transferable e-cash, and then adopt and adapt existing solutions from the latter field.