一種基于身份一次性公鑰的構(gòu)造
Construction of the One-Off Public Key Based on Identity
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摘要: 該文利用基于身份的密碼系統(tǒng),構(gòu)造一個(gè)一次性公鑰,來(lái)解決Internet通信的匿名性問(wèn)題。在該系統(tǒng)中,用戶(hù)只需由可信中心頒發(fā)一次私鑰,而在每次活動(dòng)時(shí)自己生成不同的公鑰,通過(guò)與之對(duì)應(yīng)的簽名方案,在認(rèn)證用戶(hù)身份的同時(shí),保證用戶(hù)的匿名性和多次活動(dòng)之間的不可聯(lián)系性。另外,在必要時(shí),可以聯(lián)合可信中心揭示用戶(hù)的真實(shí)身份,以防止用戶(hù)的惡意活動(dòng)。
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關(guān)鍵詞:
- 保密通信; 匿名性; 基于身份; 一次性公鑰; 雙線性映射
Abstract: In order to resolve the problem of Internet communication anonymity, the paper constructs one-off public key using identity-based cryptography. In this system, user only needs TC(Trust Center) issuing the private key one time, and he can generate his different public keys when uses it. So it can ensure the users anonymity and the disconnection among the users actions. And TC can reveal the users identity to preventing the user committing when occasion requires. -
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