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頁籤選單縮合
題 名 | 行動執行碼保護之研究=A Study of Protecting Mobile Code |
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作 者 | 陳志緯; | 書刊名 | 電信研究 |
卷 期 | 34:5 2004.10[民93.10] |
頁 次 | 頁483-496 |
分類號 | 312.76 |
關鍵詞 | 惡意主機; 行動代理人; 行動執行碼; 混淆; 混淆器; Aglet; CEF; EEF; Computing with encrypted function; Evaluation of encrypted function; |
語 文 | 中文(Chinese) |
中文摘要 | 本文著眼於探討行動執行碼的隱私性,就是在執行期間,保護行動執行碼本身不被其他惡意主機所窺視。我們開發一軟體套件JOBS,其理論基礎衍生自Sander及Tschudin等人[11][12][13][14]所提出的加密函數運算(EEF)的抽象代數理論的推導。JOBS本身的設計就是能夠與Aglets行動代理人系統相結合,在Aglets將送出aglet程式至遠端時,JOBS將會預先針對行動執行碼,其中所出現的多項式進行分析、簡化、變形或合併,其次取出其係數,再次做加密的動作。雖然JOBS已經將這些行動執行碼加密,但仍然是可執行碼的形式,可交付遠端Aglets來執行。一切將以透通且動態的方式,進行解密的工作,JOBS在進行時並不會影響而Aglets原本的運作。基本上JOBS只需安裝於本地端的Aglets系統上即可發揮其效果,而遠端的Aglets系統並不需要做任何的修改。 |
英文摘要 | In this thesis, we focus on protecting the privacy of mobile codes that we want to prevent them from being exposed to the malicious hosts where they are running. We have developed a software package named JOBS (i.e., Java Obfuscation System) of which the algorithms are based on the theory of the EEF (Evaluation of Encrypted Function) that is derived by Sander et al [11][12][13][14] from the abstract algebra. JOBS is designed to be working along with the polynomials which are found in the mobile codes. Next, we can then scramble the polynomials by encrypting their coefficients before the aglet program is to sent to the remote peer by the Aglets mobile agent system. Although the mobile codes are encrypted by JOBS, they will are executable codes to be run for the remote peer. JOBS does not affect the original operations of the Aglets mobile agent system that it will transparently encrypt and decrypt the mobile codes on the fly. JOBS will work well if we install it locally with the Aglets mobile agent system. The Aglets mobile agent systems other than local do not need to be modified anyway. |
本系統中英文摘要資訊取自各篇刊載內容。