Chaos synchronization encrypting/decrypting method and device using data compression encoding
A chaotic synchronization and data compression technology, applied in the field of information security, can solve the problems of low encryption strength, key management and security protection problems, and encryption speed decline, and achieve the effect of improving encryption security.
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[0070] The following content is only an example, and is not intended to limit the protection scope of the present invention.
[0071] In view of the problem that the key length of the existing encryption technology will affect the encryption performance, resulting in the problem that the ultra-long key is difficult to be applied in practice, this embodiment uses the adaptive interval encoder for data compression and the dynamic probability statistics of the PPM algorithm as the chaotic dynamic system ,Make the compression coding process a chaotic cryptographic encryption process; combine the public key cryptographic cipher with the chaotic dynamics system, the sender uses the RSA public key cryptographic algorithm to encrypt the randomly generated session key, and then transmits it to the receiver; The sending and receiving parties use the session key to initialize their own chaotic dynamics system to synchronize their system states; the sender uses the initialized system to perfo...
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