Quantum dual signature scheme based on coherent states with entanglement swapping
Liu Jia-Li, Shi Rong-Hua, Shi Jin-Jing†, , Lv Ge-Li, Guo Ying
The disavowal probability as a function of the amount of disavowed signature states. The three curves in lines correspond to N = 50, 100, and 200. Similarly, ɛdisavowal has a maximum value for each N and the optimal disavowal probability is smaller with N being larger.