The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 27, 2019

Filed:

Dec. 28, 2015
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Li Kong, Beijing, CN;

Christopher R. Dotson, Lexington, KY (US);

Yi N. Ren, Beijing, CN;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 21/83 (2013.01); G06F 21/45 (2013.01);
U.S. Cl.
CPC ...
G06F 21/83 (2013.01); G06F 21/45 (2013.01);
Abstract

An embodiment of the invention includes an interface that receives a user identifier, and a processor that identifies the number of characters in the password for the user identifier. The interface receives input such that the number of characters in the input is greater than the number of characters in the password. The interface can receive additional input such that the number of characters in the additional input is greater than the number of characters in the password. The processor can compare the password to the first X characters of the input, where X equals the number of characters in the password. The processor can compare the password to the last X characters of the additional input. The processor can determine whether to authenticate the user based on the comparison of the password to the first X characters of the input and the last X characters of the additional input.


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