本文提出多层次匿名认证AMLA(authentication with multiple levels of anonymity)方案。AMLA方案利用基于身份签名机制及别名策略实现消息的不可否认性、完整性匿名认证。通过控制每个车辆的别名数量和每个别名的有效期,实现不同车辆...本文提出多层次匿名认证AMLA(authentication with multiple levels of anonymity)方案。AMLA方案利用基于身份签名机制及别名策略实现消息的不可否认性、完整性匿名认证。通过控制每个车辆的别名数量和每个别名的有效期,实现不同车辆的不同层次的匿名。同时为每个别名秘密地绑定该别名的有效截止日期,从而实现隐晦的别名撤销机制,减少系统开销。理论分析和仿真结果表明,AMLA方案在高速处理器环境下消息签名时延仅为10.731ms,验证时延为10.853ms,并且具有较低的消息丢失率,证实了AMLA方案的有效性。展开更多
This paper is to illustrate that form develops meaning in Maxine Hong Kingston's The Woman Warrior (1989). Her writing is permeated with the dual forces stretching to diverse directions, and equips readers with the...This paper is to illustrate that form develops meaning in Maxine Hong Kingston's The Woman Warrior (1989). Her writing is permeated with the dual forces stretching to diverse directions, and equips readers with the mimic world to be pushed and pulled to experience all the paradoxes in narrator's life. This enigmatic writing style is the mimesis of the push-pull dynamics existent in the mother-daughter relationship in the book, and also through this kind of writing does the writer finally succeed in breaking away from the suffocating mother-daughter relationship and in claiming her own unique identity.展开更多
文摘本文提出多层次匿名认证AMLA(authentication with multiple levels of anonymity)方案。AMLA方案利用基于身份签名机制及别名策略实现消息的不可否认性、完整性匿名认证。通过控制每个车辆的别名数量和每个别名的有效期,实现不同车辆的不同层次的匿名。同时为每个别名秘密地绑定该别名的有效截止日期,从而实现隐晦的别名撤销机制,减少系统开销。理论分析和仿真结果表明,AMLA方案在高速处理器环境下消息签名时延仅为10.731ms,验证时延为10.853ms,并且具有较低的消息丢失率,证实了AMLA方案的有效性。
文摘This paper is to illustrate that form develops meaning in Maxine Hong Kingston's The Woman Warrior (1989). Her writing is permeated with the dual forces stretching to diverse directions, and equips readers with the mimic world to be pushed and pulled to experience all the paradoxes in narrator's life. This enigmatic writing style is the mimesis of the push-pull dynamics existent in the mother-daughter relationship in the book, and also through this kind of writing does the writer finally succeed in breaking away from the suffocating mother-daughter relationship and in claiming her own unique identity.