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한지훈(Han Ji Hoon),박경배(Park Gyong Bae),곽승욱(Kwak Seung Uk),김정일(Kim Jeong II),정근원(Jeong Keun Won),송인근(Song In Keun),이광배(Lee Kwang Bae),김현욱(Kim Hyen Uk) 한국정보처리학회 1999 정보처리학회논문지 Vol.6 No.1
Uses can share information and use resources effectively by using TCP/IP-based networks. So, a protocol to manage complex networks effectively is needed. For the management of the distributed networks, the SNMP(Simple Network Management Protocol) has been adopted as an international standard in 1989, and the SNMPv2 in which a security function was added was published in 1993. There are two encryption schemes in SNMPv2, the one is a DES using symmetric encryption scheme and the other is a MD5(Message Digest5) hash function for authentication. But the DES has demerits that a key length is a few short and the encryption and the authentication is executed respectively. In order to solve these problems, we use a RSA cryptography in this paper. In this paper, we examine the items related with SNMP. In addition to DES and MD5 proposed in SNMPv3, we enhance security functionality be adopting RSA, a public key algorithm executing the encryption and the authentication simultaneously. The proposed SNMPv3 security module is written in JAVA under Windows NT environment.