智能变电站二次系统通信规约安全增强

doi:10.11959/j.issn.1000-0801.2015389

Abstract

Abstract:

With the wide application of smart substation communication protocol IEC6150 and Smart Grid,IEC61850 safety issue has become a problem can't be ignored.Combined with IEC62351,in the internal of substation as a whole,from authentication,encrypted communications,anti-replay attack,key distribution,the communication protocol security enhancement with in side of the substation which included MMS,GOOSE and SMV protocol was studied.Encrypted packet analysis technology was discussed.Combined with the test equipment run conditions,the performance caused by protocol security enhancement equipment was analyzed.

Key words: smart substation, secondary system, protocol security enhancement

Chen WANG,Zhipeng SHAO,Xiuli HUANG. Protocol security enhancement on secondary system of smart substation[J]. Telecommunications Science, 2015, 31(Z1): 209-216.

Figures/Tables 15

References 17

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耗时	改造前/μs	改造后/μs
发送接口最大耗时	1 563,1 618,1 495	3 391,3 574,3 508
接收接口最大耗时	786,805,729	152 368,158 201,173 001

密钥长度/bit	HMAC_SHA256/μs		HMAC_SHA1/μs
密钥长度/bit	签名	解签	签名	解签
80	111	54	57	26
800	128	68	65	33

密钥长度/bit	RSA-SHA256/ms		RSA-SHA1/ms
密钥长度/bit	签名	解签	签名	解签
1 024	28	14	22	9
2 048	36	18	29	15

Protocol security enhancement on secondary system of smart substation

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