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 3 各方案初次认证阶段的计算开销

Tab.3 Computational overhead of schemes in initial authentication phase

方案 t1 t2 车辆 无人机 总计算 无人机 文献[17] $ 2{t}_{{\mathrm{bpm}}}+2{t}_{{\mathrm{h}}}+2{t}_{{\mathrm{bpex}}} $ $ 2{t}_{{\mathrm{bp}}}+4{t}_{{\mathrm{h}}}+3{t}_{{\mathrm{bpex}}}+{t}_{{\mathrm{bpm}}}+{t}_{{\mathrm{bpa}}} $ $ 2{t}_{{\mathrm{bp}}}+6{t}_{{\mathrm{h}}}+5{t}_{{\mathrm{bpex}}}+3{t}_{{\mathrm{bpm}}}+{t}_{{\mathrm{bpa}}} $ $ 2n{t}_{{\mathrm{bp}}}+4{nt}_{{\mathrm{h}}}+3n{t}_{{\mathrm{bpex}}}+n{t}_{{\mathrm{bpm}}} +n{t}_{{\mathrm{bpa}}} $ 文献[19] $ 3{t}_{{\mathrm{bpm}}}+2{t}_{{\mathrm{h}}}+{t}_{{\mathrm{bpex}}} $ $ 2{t}_{{\mathrm{bp}}}+3{t}_{{\mathrm{h}}}+{t}_{{\mathrm{bpex}}}+{t}_{{\mathrm{bpm}}}+{t}_{{\mathrm{bpa}}} $ $ 2{t}_{{\mathrm{bp}}}+3{t}_{{\mathrm{h}}}+{t}_{{\mathrm{bpa}}}+2{t}_{{\mathrm{bpex}}}+3{t}_{{\mathrm{bpm}}} $ $ 2n{t}_{{\mathrm{bp}}}+3n{t}_{{\mathrm{h}}}+n{t}_{{\mathrm{bpex}}}+n{t}_{{\mathrm{bpm}}} $ 文献[23] $11 {{t}}_{\mathrm{h}}+3{{t}}_{\mathrm{e}\mathrm{c}\mathrm{c}\mathrm{m}} $ $ 8{t}_{{\mathrm{h}}}+3{t}_{{\mathrm{eccm}}}+{t}_{{\mathrm{sig}}} $ $ 19{t}_{{\mathrm{h}}}+6{t}_{{\mathrm{eccm}}}+{t}_{{\mathrm{sig}}} $ $ 8{nt}_{{\mathrm{h}}}+3n{t}_{{\mathrm{eccm}}}+{nt}_{{\mathrm{sig}}} $ 文献[24] $ {t}_{{\mathrm{bp}}}+2{t}_{{\mathrm{h}}}+4{t}_{{\mathrm{bpex}}}+{t}_{{\mathrm{bpm}}} $ $ {t}_{{\mathrm{bp}}}+2{t}_{{\mathrm{h}}}+2{t}_{{\mathrm{bpex}}}+{t}_{{\mathrm{bpm}}} $ $ 2{t}_{{\mathrm{bp}}}+4{t}_{{\mathrm{h}}}+6{t}_{{\mathrm{bpex}}}+2{t}_{{\mathrm{bpm}}} $ $ n{t}_{{\mathrm{bp}}}+2n{t}_{{\mathrm{h}}}+2n{t}_{{\mathrm{bpex}}}+n{t}_{{\mathrm{bpm}}} $ 本研究 $ 6{t}_{{\mathrm{eccm}}}+9{t}_{{\mathrm{h}}}+2{t}_{{\mathrm{ecca}}} $ $ 7{t}_{{\mathrm{eccm}}}+10{t}_{{\mathrm{h}}}+3{t}_{{\mathrm{ecca}}} $ $ 13{t}_{{\mathrm{eccm}}}+19{t}_{{\mathrm{h}}}+5{t}_{{\mathrm{ecca}}} $ $ (5n+2){t}_{{\mathrm{eccm}}}+10n{t}_{{\mathrm{h}}}+3n{t}_{{\mathrm{ecca}}} $