空地协同场景下具有隐私保护的高效异构认证方案

刘雪娇,赵祥,夏莹杰,曹天聪

Efficient heterogeneous authentication scheme with privacy protection in air-ground collaboration scenario

Xuejiao LIU,Xiang ZHAO,Yingjie XIA,Tiancong CAO

表 4 各方案切换认证阶段的计算开销

Tab.4 Computational overhead of schemes in handover authentication phase

方案 t3 车辆 无人机 总计算 文献[23] $ 6{t}_{{\mathrm{h}}} $ $ 10{t}_{{\mathrm{h}}}+{t}_{{\mathrm{sig}}}+{t}_{{\mathrm{ver}}} $ $ 16{t}_{{\mathrm{h}}}+{t}_{{\mathrm{sig}}}+{t}_{{\mathrm{ver}}} $ 文献[24] $ {t}_{{\mathrm{bp}}}+{t}_{{\mathrm{h}}}+{t}_{{\mathrm{bpex}}}+{t}_{{\mathrm{bpm}}} $ $ {t}_{{\mathrm{bp}}}+{t}_{{\mathrm{h}}}+5{t}_{{\mathrm{bpex}}}+{t}_{{\mathrm{bpm}}} $ $ 2{t}_{{\mathrm{bp}}}+2{t}_{{\mathrm{h}}}+6{t}_{{\mathrm{bpex}}}+2{t}_{{\mathrm{bpm}}} $ 本研究 $ 4{t}_{{\mathrm{h}}} $ $ 3{t}_{{\mathrm{eccm}}}+9{t}_{{\mathrm{h}}}+2{t}_{{\mathrm{ecca}}} $ $ 3{t}_{{\mathrm{eccm}}}+13{t}_{{\mathrm{h}}}+2{t}_{{\mathrm{ecca}}} $