Modified remote login authentication scheme based on geometric approach

Hung Yu Chien, Jinn Ke Jan, Yuh Min Tseng

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)


In 1995, Wu proposed an efficient smart card-oriented remote login authentication scheme. The scheme allows a user to freely choose his password, and no verification tables are required. Hwang recently showed the insecurity in Wu's scheme; however, he did not propose his improvement. In this article, authors show a different approach to break the scheme, and propose their improvement. The modified scheme can withstand all possible attacks.

Original languageEnglish
Pages (from-to)287-290
Number of pages4
JournalJournal of Systems and Software
Issue number3
Publication statusPublished - 2001 Jan 15

All Science Journal Classification (ASJC) codes

  • Software
  • Information Systems
  • Hardware and Architecture

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