Realization of a Covert Communication System Over the Public Switching Telephone Network
نویسندگان
چکیده
منابع مشابه
Switching equipment adaptation for Russian public telephone network
This paper describes the adaptation and certification process for switching equipment to be used in the Russian public switched telephone network (PSTN). The first part of the paper illustrates the basic certification procedure and its essential steps. Each step, whether it is described in a natural language or formally in a specification language SDL, is an integral part of the certification p...
متن کاملA Stock Information System over the Telephone Network
In this paper, we present a large vocabulary , speaker independent speech recognition sys-tem(KT-STOCK) and describe its performance over the telephone network. KT-STOCK is a stock information retrieval system with which we can obtain the current price of a stock by saying a stock name among 710 stock names listed on the Korea stock exchange. The system is an HMM(hidden Markov model)-based isol...
متن کاملStudy on Airspace Covert Communication Algorithm of Covert Communication System
Based on the security of information transmission through network in the information society, the paper puts forward covert communication technology which is more reliable than the prior encryption algorithm, analyzes channel covertness and information hiding of covert communication technology based on spread-spectrum communication technology, and establishes a covert communication system inclu...
متن کاملMultilevel Secure Teleconferencing over Public Switched Telephone Network
Two-way group voice communications, otherwise known as teleconferencing are common in commercial and defense networks. One of the main features of military teleconferences is the need to provide means to enforce the Multilevel Security (MLS) model. In this paper we propose an architecture and protocols facilitating MLS conferences over Public Switched Telephone Network (PSTN). We develop protoc...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Information Technology Journal
سال: 2009
ISSN: 1812-5638
DOI: 10.3923/itj.2009.1140.1149