The purpose of this guide is to give a sensible study of both the principles and exercise of cryptography and system protection. In the beginning of the novel, the basic issues to be resolved by a system protection capability are researched by providing a guide and study of cryptography and system protection technology. The latter aspect of the novel deals with the exercise of system security: realistic applications that have been applied and are in use to give system protection.. It provides hands-on encounter with cryptographic methods and supporting preparation projects. With Sage, your audience understands a powerful tool that can be used for virtually any statistical application. The guide also provides an remarkable degree of support for your audience to ensure a successful chance to learn.