Kryptografie napříč programovacími jazyky

Abstract

The aim is to experimentally explore and assess options of cryptography in programming languages Java, C #, Python, and PHP, with focus on ciphers 3DES, AES and RSA. In these selected languages describe the possibilities of cryptography, integrated functions and external libraries. The ultimate goal of this work is to examine the possibilities of mutual cooperation between languages. The first part deals with the description of ciphers, their use and a list of strengths and weaknesses. The second part of is the encryption in different languages, examples of source code, differences between languages and comparison of integrated functions and external libraries. In the third section the reader will find solutions to the problems that accompany cooperation programming languages in cryptography, source codes and recommendations of the author.