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An Architecture for Securing a Private Instant Messenger
Mohd Kamir Yusof,Ahmad Faisal Amri Abidin,Mat Atar Mat Amin 한국산학기술학회 2012 SmartCR Vol.2 No.1
An instant messenger is an application that allows communication in a secure manner. A secured private instant messenger is needed to ensure secure data transmission between the sender and recipient. This paper presents secure instant messenger architecture. It is divided into four modules: a chat module, transceiver module, secure module, and routing module. In this paper, a hash algorithm was applied to the secure module. The main function of the hash algorithm is to encrypt and convert the data into a hash value. The purpose of this encryption is to ensure that unauthorized persons cannot view the original data or information through the network. The instant messenger application was developed and tested, and the results indicate that this architecture and hash algorithm can improve data security for instant messenger applications.
A Secure and Reliable Chat Room Application via Embedded Chaotic Encryption
Mohd Kamir Yusof,Nor Surayati Mohamad Usop,Ahmad Faisal Amri Abidin 한국산학기술학회 2012 SmartCR Vol.2 No.2
Cryptography is most popular in information security. Chaotic encryption is one of the technique can be used to secure the information from unauthorized person. In this paper, chaotic encryption was implemented in development of secure chat room application. Chat room application will use for communication by sending a message. Three components involved in the chat room application which are sender, receiver and server. Two core functions in chaotic encryption are encryption process and decryption process. Encryption process will convert plaintext to cipher text. Decryption process will convert ciphertext to plaintext with enter a secret key. Chat room application was developed using JAVA. This application was tested with several experiments. The result indicates implementation of chaotic encryption make a chat room application more secure and reliable.