Method for protecting a user's password

Details Method for protecting a user's password Method for protecting a user's password

2004-06-03

2008-10-28

Zand, Kambiz (Department: 2134)

Electrical computers and digital processing systems: support

System access control based on user identification by...

Pin/password generator device

C713S182000, C726S001000, C726S002000, C726S022000, C726S026000

Reexamination Certificate

active

07444517

ABSTRACT:
The present invention relates to a method for protecting a password. In a first aspect, the method includes allowing a user to enter an apparent password into a computing system, wherein the apparent password is a string of characters and keystrokes including the password and an arbitrary number of non-password related characters and keystrokes. The method further includes analyzing the string of characters and keystrokes by the computing system to find the password, and validating the apparent password if the password is found in any position in the string of characters and keystrokes. In a second aspect, the method includes creating a random pattern in response to receiving a request from a user to access a protected resource in a computing system, wherein the random pattern is associated with the request, displaying the random pattern associated with the request to the user, and allowing the user to enter an apparent password into the computing system that controls access to the protected resource, wherein the apparent password is a string of characters and keystrokes including the password, the random pattern and an arbitrary number of non-password related characters and keystrokes. The method further includes analyzing the string of characters and keystrokes by the computing system to find the password and the random pattern associated with the request, and validating the apparent password if the password and the random pattern are found in any position in the string of characters and keystrokes.

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Morris, Robert et. al, “Password Security: A Case History,” Bell Laboratories, Murray Hill, New Jersey, Apr. 3, 1978, pp. 1-5.

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