An Efficient Password Authentication Scheme Based on a Unit Circle
Date: April 1995
Publication: Cryptologia, Volume XIX, Number 2
Page(s): 198 - 208
Source 1: http://dx.doi.org/10.1080/0161-119591883872 - Subscription or payment required
Abstract or Summary:
In this paper, a password authentication scheme based on a unit circle encoding is proposed. In our scheme, a one-way function and a cryptographic operation such as DES (data encryption standard) are adopted. Besides, in our scheme, the system only need to store a master secret key, and each user can select his own password freely. Instead of storing a password verification table inside the computer system, our method only has to store a corresponding table of identities, which is used by the computer system for validating the submitted passwords. Owing to this scheme the system can quickly and efficiently respond to any log-in attempt, and is suitable for real-time applications. Furthermore, in our scheme, the system does not need to reconstruct any term of the existing key table, when a new user is inserted into the system. Thus, our scheme is suitable for practical implementation.
PasswordResearch.com Note: A one page abstract of this paper appears in Computers and Security, Volume 14, Number 3, and available at http://dx.doi.org/10.1016/0167-4048(95)97066-J
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