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題 名 | Two Lock and One Key System for Information Security |
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作 者 | 陳澤雄; 史開泉; | 書刊名 | 中華民國資訊學會通訊 |
卷 期 | 2:4 1999.12[民88.12] |
頁 次 | 頁97-113 |
分類號 | 312.76 |
關鍵詞 | 資訊安全; Information security; K-Q lock; |
語 文 | 英文(English) |
英文摘要 | In this paper, a new concept called "K-Q lock" for ensuring the security of information isproposed. The nomenclature K.(kaleidoscope)-Q(queer) lock is itself a combination of a lock andkey, which filters the entry of information so that the authorization for information can beperformed strictly. There are three parts in the K-Q lock (<GM(1), X(l)>, and Sx(l) ). The GM(1) is an inside lock; the X(l), an outside lock; and S,(l), a secret key which is expressed as a function.The structures of the inside and outside locks constitute two layers for distinguishing the passingobjects. Therefore, the designer can transfer the threshold of entrance according to differentdemands such as objects or authorization to set up a lock and key in the K-Q lock. In other words,the range in the application of the security area becomes wider. The K-Q lock can produce anencryption ladder for a plaintext document automatically. By protecting the encryption informationfrom being attacked, the order of the encryption ladder accomplishes the necessary requirements forsecurity. In addition four new concepts are introduced: (1) a bearing-reproduction theorem, (2) aresolution and dispersion theorem, (3) a ladder encryption theorem, and (4) a ladder-climbingalgorithm. These four offer the K-Q lock a more trustworthy support. |
本系統中英文摘要資訊取自各篇刊載內容。