ITRON仕様TCP/IPプロトコルスタックへのIPsecの実装

概要

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We cannot disregard the security problem of the embedded systems connected to the Internet. In this study, we implement IPsec on TCP/IP protocol stack of developed by TOPPERS project. We provide all resources developed in this study to the open source community. We consider the relationship between design and test through the process of the development. Then, we clarify merit and demerit of the development according to V-model, and utility of the use of UML in this development. We turned out following things through the design and the implementation. (1) When the requirements are subdivided according to V-model, the correspondingly tests to the requirements can be defined at the lowest level. (2) We can reduce the lack of test contents due to defining the test specification at the same time as designing. (3) By using Use Case Diagrams, the functions to be implemented can be clarified. (4) Collaboration Diagrams clarify the actions of encryption and authentication, and the dataflow between functions. Therefore, we can determine the structure of functions of IPsec and divide the program into files which have each function.
2007-01-31