Cryptanalysis is the study of methods for obtaining the meaningful message from the encrypted information without access to the secret key information that is essential for decryption. One important task in cryptanalysis when only the cipher text is available is: identification of the encryption method used....

Tobacco occupies a prime place in Indian economy. India is world’s second largest producer and the fourth largest exporter of unprocessed tobacco in the world. It provides employment to more than 60 lakh people of whom around 44 lakhs are rural folk and women. Indian tobacco Industry mainly depends on exports....

BURNISHING is a widely used common metal finishing technique, which is not only simple and economical, but at the same time is extremely important surface modification treatment that results in immensely desirable compressive residual stresses at the surface....

The challenge of research in software quality is to provide tools and technology that will enable the software industry to deploy software products and services that are safe, dependable, and usable with in an economic framework....

Hepatitis B is the most important infectious occupational disease for the health care workers. This book presents the detailed review of literature regarding the hepatitis B virus, implications for dental health care workers, vaccines and vaccination schedules....