A Generalized Chaos Synchronization Based Encryption Algorithm for Sound Signal Communication
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AbstractBased on a generalized chaos synchronization system and Sinai map, this paper
presents a nonsymmetric digital encryption algorithm for sound communication. This encryption
algorithm uses 11 keys, and the secure key space is larger than 2448. The algorithm
has a data origin authentication function. Even though a receiver cannot communicate with
the sender of encrypted data, the receiver can still confirm whether the data are altered
by an intruder. This algorithm can be applied in Internet sound signal communications.
The analysis of the key space, sensitivity of key parameters, and correlation of encrypted
signals imply that our encryption algorithm has good security.