A public-key based authentication and key establishment protocol coupled with a client puzzle
Journal of the American Society for Information Science and Technology
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This paper presents a novel authentication system that will find applications on the Internet like e-commerce and areas where secured communication is mandatory. It consists of a set of authentication protocols - JavaCard authentication protocol (JCAP) and a secure crypto-module - random symmetric authentication module (RSAM). The JCAP is used to establish the session 驴key驴 and mutual authenticate the communicating principals. The 驴key驴 established has enhanced functions and acts as a set of parameters used in RSAM for a more secured symmetric cryptographic session to provide privacy and dynamic symmetric encryption algorithm operations. Encryption keys, length and sequence of messages will be different for each exchange of messages, making it almost impossible for the attacker to decrypt the message exchanged. JavaCard is used to enhance the security of the authentication session.