The International conference on coding theory and cryptography will be organized by the Algebra and Number Theory laboratory of USTHB and will be held on the 2-5 November 2015 at USTHB. Mainly the topics of the conference are all aspects of theoretical and practical research in coding theory and cryptography. The conference is also open to all aspects of information theory. The purpose of this conference is to bring specialized researchers to present and discuss their research with a various wide of other specialists.