臺灣博碩士論文加值系統

在行動數位的生活中，行動電話已經成為現代人不可或缺的一部份，人們可以透過它在任何時間與任何地點得到即時的生活資訊，讓生活更加的方便。而行動電話除了基本的通話功能外，各家電信業者也提供各式各樣的加值服務，例如遊戲下載、訂購票券及繳費等，帶給人們許多的便利，但在享受服務帶來的便利之餘，卻常也傳出用戶與電信業者對於帳單的糾紛與抱怨，不但用戶對於帳單的正確性多有質疑，電信業者也沒有辦法提出強而有利的證據證明自己的正確性。
在本文中，我們參考陳等提出的協定，整合出具有公平及安全性的行動商務系統，在不改變現有通訊架構下，增加一個公正的角色—“觀察者”，由用戶指定以負責監督每次服務的進行，並在使用服務之後儲存交易證據，以保障用戶及電信業者雙方的權益。並且整合密碼學的技術例如公開金鑰系統、單向赫序函數及數位簽章..等技術，改善現有系統的不足並確保交易的安全與公平。
最後實作並與現有同功能系統作比較，得到的結果我們的系統不但加強了安全性，同時在效率上也有令人滿意的結果。

Due to progress of the mobile technology, the mobile phone has become one of the essentials in modern life. With it, people can touch information anywhere, anytime. In the other words, the mobile phone makes our life easier. Besides the basic function of mobile communication, telecompanies also compete by providing a variety of premium services, for instance, downloading games, reserving tickets, and paying bills. Despite the conveniences that mobile technology brings to life, there are still billing disputes between customers and suppliers. These phone users complain about the accuracy of the bills because telecompanies can not provide evidences to support it.
According to protocols proposed by Chen et al., we propose a safe, as well as secure mobile commerce system which includes a role of “Observer,” based on the unchanged communication structure. With the Mobile Commerce System, users can submit their orders and supervise the ordering process. Also, once the process is done, users can save records for future reference, and protect the benefits of both parties. The technology of integrated coding, like Public Key System,One-way Hash Function and Digital Signature, will improve the insufficiency of the actual system and ensure the safety and fairness of the trade.
After implementing this system and comparing the result with a similar-functioned system, we obtain a satisfactory outcome with the features of high efficiency, which improve the security in today’s system.

摘要 I
Abstract II
目錄 III
表目錄 VI
圖目錄 VII
第一章 簡介 1
1.1 前言 1
1.2 研究動機 2
1.3 研究目的 4
1.4 論文架構 5
第二章 文獻探討 6
2.1 行動通訊技術發展之演進 6
2.1.1 無線通訊系統發展的演進 6
2.1.2 GSM系統概述 7
2.2行動電話的發展 9
2.3 現有的行動票券系統 11
2.3.1 票券功能之分類 12
2.3.2 現有成功案例 13
2.3 Java行動電話軟體開發工具 15
2.3.1 Wireless Toolkit 2.0 15
2.3.2 安裝及執行過程介紹 16
第三章 行動話費計費協定設計 20
3.1 研究與開發的理念 20
3.2 行動話費計費協定 21
3.2.1 觀察者的加入 21
3.2.2 協定流程 22
3.3 分析與討論 24
第四章 行動票券協定設計 27
4.1 研究與開發的理念 27
4.2 行動票券協定 29
4.3 分析與討論 33
第五章 行動商務系統 37
5.1系統概要 37
5.2 行動用戶端程式架構 38
5.3 更新赫序鏈功能 40
5.4 通話計費功能 41
5.5 線上訂票功能 42
5.6 驗證票券功能 43
第六章 系統設計與實作 44
6.1 系統環境 44
6.2 資料庫的使用 44
6.3 系統重要函式介紹 46
6.3.1記錄管理系統 46
6.3.2數學運算的設計 48
6.3.3 赫序鏈的產生 52
6.3.4 訊息的簽章和驗證 53
6.4 系統功能實作 55
6.4.1更新赫序鏈功能 57
6.4.2通話計費功能 60
6.4.3 訂購票券功能 67
6.4.4 驗證行動票券 81
第七章 系統操作 83
7.1 伺服器管理介面 83
7.2 申請或更新赫序鏈 85
7.3 通話計費 86
7.4 線上訂票 88
7.5 驗證電子票 90
7.6 查詢使用記錄 91
第八章 結論與未來方向 93
8.1 結論 93
8.1.1 效能測試 93
8.1.2 與其他票券系統的比較 95
8.2 未來研究方向 96
參考文獻 98

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