一种高效的可选择验证完整性和消息源的加密体制

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Abstract The efficiency of a public-key encryption scheme proposed by P. Paillier et al. is improved. The equivalence of security of the improved encryption scheme and that of the original encryption scheme is proved. Without increasing the size of the ciphertext, the scheme is further modified into an efficient "signcryption" scheme. If necessary, the receiver can verify the integrity and source of the message at any time.

Key words： Public-key encryption scheme Security analysis nth residuosity problem Signcryption

Received: 28 November 2003

PACS:

TN918.1

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	Jiang Zheng-tao
	Pang Liao-jun
	Wang Yu-min

Cite this article:

Jiang Zheng-tao,Pang Liao-jun,Wang Yu-min. An Efficient Encryption Scheme with Choosable Process of Verifying Integrity and Source of Messages[J]. , 2005, 27(4): 621-624 .

URL:

http://jeit.ie.ac.cn/EN/ OR http://jeit.ie.ac.cn/EN/Y2005/V27/I4/621

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