The network information encryption system based on continuous chaotic sequence cipher on Java platform is studied and implemented. The key stream generator is constructed by Lorenz equation. A new key management mechanism is proposed, which makes full use of the parameter sensitivity of chaos and designs the seed key to consist of two parts: master key and random key. The master key is the parameter of Lorenz equation, and the random key is related to the user login password, so that it can achieve the effect similar to \"one-time one-key\", which enhances security. The system has practical value. In computer network communication, the confidentiality, authenticability, integrity and non-repudiation of information are very important. Information encryption is an important means to ensure the security of information transmission and storage. This paper studies and implements the network information encryption system based on continuous chaotic sequence cipher on Java platform.
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