A Low-throughput Wavelet-based Steganography Audio Scheme
This addresses secure data hiding in audio for applications like covert communication, but it appears incremental as it builds on existing wavelet and cryptographic methods.
The paper tackles the problem of secure audio steganography by proposing a scheme that encrypts text with a cryptographic key before embedding it into audio using wavelet analysis and a stego-key, but no concrete results or numbers are provided.
This paper presents the preliminary of a novel scheme of steganography, and introduces the idea of combining two secret keys in the operation. The first secret key encrypts the text using a standard cryptographic scheme (e.g. IDEA, SAFER+, etc.) prior to the wavelet audio decomposition. The way in which the cipher text is embedded in the file requires another key, namely a stego-key, which is associated with features of the audio wavelet analysis.