Online secure chatting system using discrete chaotic map. (English) Zbl 1067.94005
Summary: An online chatting system with an embedded real-time chaotic encryption/decryption method is designed for the Internet. Such a system not only provides a real-time communication platform, but also ensures a secure channel for communication. By the use of cipher feedback and the skew tent map, the input text can be real-time encoded and the cipher text is sent via TCP/IP. With the properties of randomness of the map, and its sensitivity on system parameters and the initial conditions, it is difficult to eavesdrop on the encrypted transmitting messages. The implemented method is simple and can be easily embedded in any existing systems.
MSC:
| 94A05 | Communication theory |
| 94A60 | Cryptography |
| 68P25 | Data encryption (aspects in computer science) |
| 37D45 | Strange attractors, chaotic dynamics of systems with hyperbolic behavior |
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