Hiding of Speech Based on Chaotic Steganography and Cryptography Techniques

Provided by: International Journal of Engineering Research (IJER)
Topic: Security
Format: PDF
The technique of embedding secret information into cover media, like image, video, audio and text called steganography, so that only the sender and the authorized recipient who have a key can detect the presence of secret information. In this paper, steganography and cryptography techniques of speech present with chaos. Fractional order Lorenz and Chua systems that provides an expanded in key space are used to encrypt speech message. The large key space addition to all properties of randomness and nonlinearity which are possessed these chaotic systems ensure a highly robustness and security for cryptography process.

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