基于自签名隐式证书的认证密钥协商协议研究.pdf

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用户的身份认证和数据的保密传输是物联网信息安全中最基本的需求,而物联网中的终端设备一般呈分布式设 置,大多数设备无人值守,因此需要有一个端到端的安全机制来保护物联网中的信息传输; 物联网终端受带宽、计算能力 和内存等限制,无法部署开销太大的安全协议。为了解决上述问题,提出并设计了一种基于ECQV( Elliptic Curve Qu- Vanstone) 自签名隐式证书的认证密钥协商协议,主要基于ECQV 自签名隐式证书生成机制和公钥提取机制,可完成感知 节点和用户之间的相互认证及安全传输通道的建立,占用内存小,认证效率高。
130 CA CA Certificate N MAC Certificate C equest Hello.密码套件, 验证U的身份 ¨AHel,码套件, ∈R[1.2,…,n-1 R厂=ruGi 计算MAC[R,UN] Certificate Request, Ru, Nu, MAC 验证MAC CA d∈R1,2,…,n-1 CA e=Hash(Cert 生成N 计算MAC[ Cert,s,Nc Certificate(Cert,5),MA, MAC questor Hello 验证MAC lash( Cert) EC MAC k eB1-2c Aes CERT ECC160 KI SHAI AESI28 i60 bit ec KI SHA1128 bit aes。 Helo,密码套件, 2 CA lo,密码套件,Q CA 牛成N Ca Hello 计算MAC[Cert,U,Nl Ca Hello e-Hash(Cert) R Qu=eBu+OcA MAC Certifie 生成 计算 MACICertu:Y,Nvl quest CA。 MAC 4 CA MAC -Cert, NV, MAC 验证MAC Cert ECOV Q、=cBv+g KuvduOv-dud G Finished h CA o= dG Certificate B=q+G MAC ECQV B11 CA Hash Cert ≠0 (c)1994-2019ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net 131 du er+s mod n Q=eBu e WSN U WSN Finished Q EC CA Finished oT 2 b l92 ECQV Client hell MSP430 msp430-size msp430 Server hello objdump RAM ROM Server hello MAC RAM/ byt ROM/byte MAC Cert CA 1398 11703 A 16562 Kuv =dv q 1585 11690 N MAC WiiMote 2983 RAM23393 ROM Finished WiIMote 16 kB RAM 128 kB ROM。 CA CA V=3 V C WiIMote =1.8mA Contiki WiiMote WilMot MSP430 5 128/16 kB ROM/RAM IEEE802.15.48286msCA10893ms CC2520 8396ms。 WiiMote Linux 43.7lmJ46.12mJ。 CA ECC (c)1994-2019ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net ·132· WSNs DoS 160EC C 1 Gubbi J Buyya R Marusic S et al. Internet of Things IOT a vision architectural elements and future directions. fu turc Gcncration Computcr Systcms 2013 29 7 1645-1660 3 2 Roman R Zhou J Lopez J On the features and challenges of security and privacy in distributed internet of things J. Ce paler Networks201357102266-2279 2810 14.92 3 Hu W T'an H Corke p et al. Toward trusted wireless sensor Certificate Request 2 64 networks J, ACM Transactions on Sensor Networks 2010 7 15.75 2019-20 2826 15.37 4 Gurlov a Komu M Moskowitz. R. Hosl Idenlily Prolocol u Finished IIIP identifier/locator split for host mobility and multihom Ca Finished 220l 9.77 ing J. Intcrnct Protocol Journal 2009 12 1 27-32 2619 13.98 Pellikka J Faigl Z Gurtov A. lightweight host and user au- 5773 thentication protocol for All-IP telecom networks C //Pro Finished ceedings of 3rd IEEE workshop on data security and privacy in wireless networks. S.I. EEE 2012 ECOV 6 Smart N P. An identity based authenticated key agreement ECC protocol based on the Weil pairing J. Electronics Letters 20023813630-632 RSA Kotzanikolaou P Magkos E. Hybrid key establishment for mul 160 bit ECc 1 024 biphase self-organized sensor networks C //Proceedings of the 6th IEEE international symposium on a world of wireless Dos mobile and multimedia networks. S 1. IEEE 2005 581 587 CA ran bage p Kumar p Schmitt c ct al. Certificate base CA pairwise key establishment protocol for wireless sensor net- works c //Proceedings of Ieee 16th international confer Dos en:e un compilational se: ienr: e and engineering. s. I Hello IEEE2013667-674. MAC 9 SEC4 Elliptic Curve Qu-Vanstone implicit certificate scheme Ecqvversion1.0.Eb/oL.2013.http://www.secg MAC rg/se4-1.0.pd「 10 lankerson D Vanstone S Menezes AJ. Guide to elliptic curve cryptography M 1. Springer 2004 11 Porambage P Schmitt C Kumar P et al. Two-phase authenti- Ition protocol for wireless sensor networks in distributed loT applications C //2014 IEEE wireless communications and ECC ECC networking conference. s.I. IEEE 2014 2728-2733 12 Dunkels a Gronvall b Voigt T Contiki-a lightweight and flexible operating system for tiny networked sensors C / IEEE international conference on local computer networks 5 s.1.IE上E2004455-462 13 LCIS and Aragosystems. WiSMote sensor node EB/OL 2013.http:// /lib/exe/detail. php id start& png (c)1994-2019ChinaAcademicJournalElectronicPublishingHouse.Allrightsreservedhttp://www.cnki.net

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