Stream Ciphers created by a Discrete Dynamic System for application in the Internet.

Abstract: A discrete dynamic system is utilized for the creation of random number series. It contains discontinuities based on the modulo and signum functions. The binary number series created show almost total randomness, as indicated by block entropy tests. The concept of a virtual cryptographic device is defined and analyzed. A new method, based on the above is proposed, for secure and easy application in the Internet and all digital networks in general