An Efficient Decryption Method for RSA Cryptosystem

doi:10.1109/AINA.2005.97

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题名:	An Efficient Decryption Method for RSA Cryptosystem
作者:	Hwang, Ren-Junn;Su, Feng-Fu;Yeh, Yi-Shiung;Chen, Chia-Yao
贡献者:	淡江大學資訊工程學系
日期:	2005-03
上传时间:	2010-01-11 13:46:56 (UTC+8)
出版者:	Los Alamitos, California：Institute of Electrical and Electronics Engineers (IEEE)
摘要:	This paper proposes an efficient method to implement RSA decryption algorithm. RSA cryptosystem is the most attractive and popular security technique for many applications, such as electronic commerce and secure Internet access. It has to perform modular exponentiation with large exponent and modulus for security consideration. The RSA cryptosystem takes great computational cost. In many RSA applications, user uses a small public key to speed up the encryption operation. However, the decryption operation has to take more computational cost to perform modular exponentiation by this case. This paper proposes an efficient decryption method not only based on Chinese remainder theorem (CRT) but also the strong prime of RSA criterion. The proposed decryption method only takes 10% computational costs of the traditional decryption method. It also reduces 66% computational costs than that of decryption methods based on CRT only. In a word, the speed of our proposed method is almost 2.9 times faster than the decryption method based on CRT only. The proposed method enhances the performance of the RSA decryption operation.
關聯:	Advanced Information Networking and Applications, 2005. AINA 2005. 19th International Conference on, vol.1, pp.585-590
DOI:	10.1109/AINA.2005.97
显示于类别:	[資訊工程學系暨研究所] 會議論文

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