A Simple Scheme to Make Passwords Based on One-Way Functions Much Harder to Crack

A Simple Scheme to Make Passwords Based on One-Way Functions Much Harder to Crack (1996)

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by Udi Manber

Venue:	Computers & Security
Citations:	17 - 0 self

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@ARTICLE{Manber96asimple,
    author = {Udi Manber},
    title = {A Simple Scheme to Make Passwords Based on One-Way Functions Much Harder to Crack},
    journal = {Computers & Security},
    year = {1996},
    volume = {15},
    pages = {171--176}
}

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Abstract

We present a simple scheme that makes guessing passwords based on one-way functions 100 to 1000 times harder. The scheme is easy to program and easy to incrementally add to existing schemes. In particular, there is no need to switch to it all at the same time. Old passwords will still work and have the same security as before (one will not be able to distinguish them from new passwords); newly-entered passwords will become much more secure. The new scheme is independent of the one-way function used and does not require changing any part of the encryption mechanism. 1.

Citations

177	Password security: a case history - Morris, Thompson - 1979
108	Foiling the cracker: A survey of, and improvements to, password security - Klein - 1990
44	UNIX Password Security - Ten Years Later - Feldmeier, Karn - 1990
32	OPUS: Preventing weak password choices - SPAFFORD - 1992
25	Time-Sharing Computer Systems - Wilkes - 1968
22	An Algorithm for Approximate Membership Checking with Application to - Manber, Wu - 1994
15	The Cuckoo’s - Stoll - 1989
6	Crack - A Sensible Password Checker for UNIX - Muffett - 1992
4	UNIX System Security - Curry - 1992
1	Oldehoeft, ‘‘A Survey of Password Mechanisms - Jobush, E - 1989
1	Oldehoeft, "A Survey of Password Mechanisms: Weaknesses and Potential Improvements. Part 1 - Jobush, E - 1989