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首頁> 外文會(huì)議>36th annual conference on information sciences and systems (CISS 2002) >Joint Encryption and Error-correcting Coding Method with Coding State Encryption and Decryption Algorithms
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Joint Encryption and Error-correcting Coding Method with Coding State Encryption and Decryption Algorithms

機(jī)譯:編碼狀態(tài)加解密算法的聯(lián)合加密與糾錯(cuò)編碼方法

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Stream ciphers such as A5/1 and RC4rnare commonly used in communication systems tornprovide secrecy. However, these stream ciphers werernshown to be insecure in recent studies. This paperrnproposes a new approach in joint encryption andrnerror-correcting coding where the scheme integratesrna stream cipher to an error-correcting code tornachieve extra secrecy. Instead of encrypting on therninput or the output of an encoder, the coding state ofrnthe encoder is encrypted. The scheme can be appliedrnto Non-Systematic Turbo-Codes that exhibitrnexcellent error-correcting capabilities. Extensivernsimulations show that the coding performance of therncomponent algebraic code is preserved. Somernattacks to the scheme are studied.
機(jī)譯:流密碼(例如A5 / 1和RC4rn)通常用于通信系統(tǒng)中以提供保密性。但是,最近的研究表明這些流密碼是不安全的。本文提出了一種新的聯(lián)合加密和糾錯(cuò)編碼方法,該方案將流密碼與糾錯(cuò)碼集成在一起以實(shí)現(xiàn)更高的保密性。代替對編碼器的輸入或輸出進(jìn)行加密,對編碼器的編碼狀態(tài)進(jìn)行加密。該方案可以應(yīng)用于表現(xiàn)出優(yōu)異的糾錯(cuò)能力的非系統(tǒng)Turbo碼。大量的仿真表明,保留了組件代數(shù)代碼的編碼性能。研究了該方案的一些攻擊。

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