Criptografia em segurança de arquivos confidenciais

Abstract

Study about security of Data Processing Center and Security of private informations. Many destructive fates that can await every Computer Center: fraud, hardware and software failures, operator errors, programming errors, penetration of private informations and others, are briefly discussed. With reference of privacy of information, the classical cryptographic techniques are studied. On this bases, suitable transformation techniques such as arithmetical, logic and matrix schemes are discribed. Finally a discussion is given on the systems design for criptoprogramming.