隨著網路通訊快速發展，數位內容透過網路傳播也變得越來越容易，所以許多關於數位版權的問題因而產生，目前以侵犯他人智慧財產權、非法散佈授權內容等侵權問題最為嚴重。針對音樂的問題來看，目前許多音樂業者面對此情形卻是無計可施，因此對於業者之商業利益造成極大的損害。
我們則希望提出一套可以確保音樂內容下載完整性並且能夠提供數位版權管理機制的網路系統，以P2P網路為基本架構，除了可以有效提昇資料於網路中的生存時間，降低業者的網路負擔，並且能夠利用P2P網路的特性來避免單點失敗(single point of failure)。我們同時採用RSA公開金鑰加密系統來產生給每位使用者專屬且唯一的數位指紋，並且利用資料隱藏的技術將數位指紋內嵌於音樂檔案之中，我們的數位指紋機制能夠追溯出非法散佈音樂檔案的用戶，並且防止企圖進行惡意攻擊行為的非法使用者。
我們所提出的系統架構除了可以提供給用戶有效率且安全的音樂下載環境，亦能夠維護音樂業者本身的商業利益並能夠協助音樂業者來遏止非法侵權的行為，改善現今音樂的盜版風氣。

With rapid development of network technology, the distribution of digital content becomes simpler and easier. It also results in some problems about the digital right, especially about tort and unauthorized distribution for the digital content. In the point of view about music, many music dealers are powerless to face this situation, so it causes a great cost to the music dealers.
We propose a music distribution system that not only can ensure the completeness of downloading music but also can provide the mechanism of digital right management. Based on P2P network architecture, the proposed system can efficiently extend the data existence time, reduce the network overhead about music dealer, and then avoid the single point of failure in the network. We also adopt the concept of RSA public key system to generate the unique digital fingerprinting for every user and make use of the data hiding technology to embed user’s digital fingerprinting into the downloaded music file. Then, the proposed system can trace the unauthorized user that distributes the music file and prevent the illegal attacking behavior.
Our proposed system can provide the efficient and safe network environment for downloading music, preserve the music dealer’s commercial benefits, and prevent the illegal tort.

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