随着电力物联网技术的快速发展,建设能源互联网具有重大意义。电力物联终端设备的识别认证是保障能源互联网安全稳定运行的基础。为实现海量电力终端设备信息高效采集与安全认证,研究提出一种面向电力物联网的RFID(radio frequency iden...随着电力物联网技术的快速发展,建设能源互联网具有重大意义。电力物联终端设备的识别认证是保障能源互联网安全稳定运行的基础。为实现海量电力终端设备信息高效采集与安全认证,研究提出一种面向电力物联网的RFID(radio frequency identification)认证方案,该方案利用RFID技术,基于国密SM3和SM4设计算法,实现了阅读器与电力设备之间的相互认证,保障了电力通信数据的传输安全,降低设备标签的计算复杂度。安全性分析表明,该方案满足不可追踪性、抗重放攻击、抗去同步攻击、抗拒绝服务攻击等安全特性,BAN逻辑分析进一步表明该方案满足相互认证性。性能分析表明,该方案在标签计算量、存储量、通信量及数据库搜索效率方面具有较好的性能优势。展开更多
Being as unique nonlinear components of block ciphers,substitution boxes（S-boxes） directly affect the security of the cryptographic systems.It is important and difficult to design cryptographically strong S-boxes th...Being as unique nonlinear components of block ciphers,substitution boxes（S-boxes） directly affect the security of the cryptographic systems.It is important and difficult to design cryptographically strong S-boxes that simultaneously meet with multiple cryptographic criteria such as bijection,non-linearity,strict avalanche criterion（SAC）,bits independence criterion（BIC）,differential probability（DP） and linear probability（LP）.To deal with this problem,a chaotic S-box based on the artificial bee colony algorithm（CSABC） is designed.It uses the S-boxes generated by the six-dimensional compound hyperchaotic map as the initial individuals and employs ABC to improve their performance.In addition,it considers the nonlinearity and differential uniformity as the fitness functions.A series of experiments have been conducted to compare multiple cryptographic criteria of this algorithm with other algorithms.Simulation results show that the new algorithm has cryptographically strong S-box while meeting multiple cryptographic criteria.展开更多
针对属性基可搜索加密(ABSE)方案大都基于非国密算法设计,且无法抵抗内部算法替换攻击(ASA)的问题,提出一种支持密码逆向防火墙的基于SM9的属性基可搜索加密方案(SM9ABSE-CRF)。该方案将国密算法SM9扩展至ABSE领域,实现了细粒度数据访...针对属性基可搜索加密(ABSE)方案大都基于非国密算法设计,且无法抵抗内部算法替换攻击(ASA)的问题,提出一种支持密码逆向防火墙的基于SM9的属性基可搜索加密方案(SM9ABSE-CRF)。该方案将国密算法SM9扩展至ABSE领域,实现了细粒度数据访问控制,并引入密码逆向防火墙(CRF)技术有效抵御ASA。分析了SM9ABSE-CRF在判定性Diffie-Hellman(DBDH)假设下满足了选择关键词下的不可区分性,并形式化证明了CRF的部署满足维持功能性、保留安全性以及抵抗泄漏性。理论分析和仿真实验结果表明,与提供CRF的ABSE方案cABKSCRF(consistent Attribute-Based Keyword Search system with CRF)相比,SM9ABSE-CRF具有更高的安全性,并且在索引与陷门生成阶段也表现出显著的性能优势。展开更多
文摘随着电力物联网技术的快速发展,建设能源互联网具有重大意义。电力物联终端设备的识别认证是保障能源互联网安全稳定运行的基础。为实现海量电力终端设备信息高效采集与安全认证,研究提出一种面向电力物联网的RFID(radio frequency identification)认证方案,该方案利用RFID技术,基于国密SM3和SM4设计算法,实现了阅读器与电力设备之间的相互认证,保障了电力通信数据的传输安全,降低设备标签的计算复杂度。安全性分析表明,该方案满足不可追踪性、抗重放攻击、抗去同步攻击、抗拒绝服务攻击等安全特性,BAN逻辑分析进一步表明该方案满足相互认证性。性能分析表明,该方案在标签计算量、存储量、通信量及数据库搜索效率方面具有较好的性能优势。
基金supported by the National Natural Science Foundation of China(6060309260975042)
文摘Being as unique nonlinear components of block ciphers,substitution boxes（S-boxes） directly affect the security of the cryptographic systems.It is important and difficult to design cryptographically strong S-boxes that simultaneously meet with multiple cryptographic criteria such as bijection,non-linearity,strict avalanche criterion（SAC）,bits independence criterion（BIC）,differential probability（DP） and linear probability（LP）.To deal with this problem,a chaotic S-box based on the artificial bee colony algorithm（CSABC） is designed.It uses the S-boxes generated by the six-dimensional compound hyperchaotic map as the initial individuals and employs ABC to improve their performance.In addition,it considers the nonlinearity and differential uniformity as the fitness functions.A series of experiments have been conducted to compare multiple cryptographic criteria of this algorithm with other algorithms.Simulation results show that the new algorithm has cryptographically strong S-box while meeting multiple cryptographic criteria.
文摘针对属性基可搜索加密(ABSE)方案大都基于非国密算法设计,且无法抵抗内部算法替换攻击(ASA)的问题,提出一种支持密码逆向防火墙的基于SM9的属性基可搜索加密方案(SM9ABSE-CRF)。该方案将国密算法SM9扩展至ABSE领域,实现了细粒度数据访问控制,并引入密码逆向防火墙(CRF)技术有效抵御ASA。分析了SM9ABSE-CRF在判定性Diffie-Hellman(DBDH)假设下满足了选择关键词下的不可区分性,并形式化证明了CRF的部署满足维持功能性、保留安全性以及抵抗泄漏性。理论分析和仿真实验结果表明,与提供CRF的ABSE方案cABKSCRF(consistent Attribute-Based Keyword Search system with CRF)相比,SM9ABSE-CRF具有更高的安全性,并且在索引与陷门生成阶段也表现出显著的性能优势。
