Musical cryptography using genetic algorithm

摘要

"Music can be used as a language communicable". Eric Sam's in his article "Musical Cryptography" has annotated various cryptographic techniques using music. Music and its attributes have been used in cryptography from early days. Musical symbols and musical notes have been used as substitution cipher. The algorithms applied to musical cryptography use predefined set of notes and rules for the synthesis of musical patterns. The main task in the musical cryptography is to generate musical cryptograms which in turn are good sequence of musical patterns soothing to ear. The traditional methods used in musical cryptography merely produced optimal musical patterns, to overcome this problem evolutionary computation approaches can be used. In this paper, a genetic algorithm (GA) based symmetric key musical cryptography algorithm is proposed to obtain an optimal sequence of musical patterns as a cipher message The application of genetic algorithm for producing cryptic message doesn't only hide the message as musical piece but it also reduces the chance of cipher message to be detected as cipher.