Blowfish algorithm and Huffman compression for data security application

In its development, information technology has become an important in people's everyday lives. Security and confidentiality of the data on computer networks today become a very important issue and continues to grow. Some of the cases relating to computer network security today become a job that requires handling fee and security has been tremendous. Vital systems, such as the defense system, the banking system, the hospital system, and other systems, requires such a high level of security. This is mainly due to the advancement of the field of computer networks with the concept of open system so that anyone, anywhere and at any time, have the opportunity to access these vital areas. To maintain the security and confidentiality of messages, data, or information in a computer network would require some encryption to create messages, data, or information that is not read or understood by any person, except for eligible recipients.