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.
Patent No.:
Date of Patent:
Sep. 24, 2013
Filed:
Aug. 23, 2011
Douglas S. Brown, Charlotte, NC (US);
John F. Kelley, Clarkesville, GA (US);
Todd Seager, Orem, UT (US);
Robert J. Torres, Colleyville, TX (US);
Douglas S. Brown, Charlotte, NC (US);
John F. Kelley, Clarkesville, GA (US);
Todd Seager, Orem, UT (US);
Robert J. Torres, Colleyville, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
In a method for controlling access to an encrypted document, a request to access the encrypted document is received. The access request includes a user ID and a user password. A one-way hash function is performed on the user password to generate a hash value. An access control table is searched for the hash value which indicates an authorization for the user to access the encrypted document. The hash value corresponds to a document password encrypted with the user password. The document password is decrypted using the user password. The encrypted document is decrypted using the decrypted document password.