Security Enhancement for Protecting Password Transmission

Chou-Chen YANG  Ting-Yi CHANG  Jian-Wei LI  Min-Shiang HWANG  

IEICE TRANSACTIONS on Communications   Vol.E86-B    No.7    pp.2178-2181
Publication Date: 2003/07/01
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Fundamental Theories
authentication,  cryptography,  password,  security,  

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In 2002, Hwang and Yeh proposed some improved schemes to mend several security flaws in the Peyravian-Zunic password transmission scheme and password change scheme. However, this article will point out that there still exist some security flaws in the Hwang-Yeh schemes; at the same time, we shall also propose some improved versions of their schemes.