In this paper, we present a virtual-optical based information security system model with the aid of public-key-infrastructure (PKI) techniques. The proposed model employs a hybrid architecture in which our previously published encryption algorithm based on virtual-optics imaging
methodology (VOIM) can be used to encipher and decipher data while an asymmetric algorithm, for example RSA, is applied for enciphering and deciphering the session key(s). For an asymmetric system, given an encryption key, it is computationally infeasible to determine the decryption
key and vice versa. The whole information security model is run under the framework of PKI, which is on basis of public-key cryptography and digital signatures. This PKI-based VOIM security approach has additional features like confidentiality, authentication, and integrity
for the purpose of data encryption under the environment of network.
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Document Type: Research Article
Institute of Optoelectronics, Shenzhen University and Key Laboratory of Optoelectronics Devices and Systems, the Education Ministry of China, 518060 Shenzhen, P.R. China
College of Precision Instrumentation and Optoelectronics Engineering, Tianjin University, P.R. China
Department of Mechanical Engineering, Hong Kong University of Science and Technology, Clear Water Bay Kowloon, HKSAR, P.R. China
Publication date: 2004-11-01