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Secure communication has always been a demanding area in civil, commercial and particularly in military set up. Robust and time-tested efficient algorithms are needed to have an essential privacy for speech transmission in the telephone networks, radio communication and in the emerging cellular mobile radio systems. In this paper, we present a highly secure speech encryption algorithm based on amplitude...
Due to development in Internet and networking technology, multimedia data is broadly transmitted via wired and wireless medium. Thus security is a major concern in modern communication systems. Encryption is one of the pre-eminent ways to guarantee security in many real time applications. In this paper, confusion and diffusion phenomenon is presented for digital images. The proposed scheme provides...
With the advent of technological advancements particularly in the area of networking, the security of organizational networks has become more demanding. Cryptosystems are no longer only for military demands but also equally important in e-business. Regarding commercial-transactions privacy, trust, access control, electronic-payments must incorporate with confidentiality and authentication. Strong...
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