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:
Jan. 10, 2006
Filed:
Oct. 12, 2001
Applicant:
Ari Hypponen, Degerby, FI;
Inventor:
Ari Hypponen, Degerby, FI;
Assignee:
F-Secure OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of securing data stored on an electronic devicethe method comprising encrypting the data using a cryptographic key derivable from or accessed using a passphrase, requiring the entry into the device of the passphrase when a user wishes to access the data, subsequently inhibiting access to the data whilst the deviceremains active, and requiring the entry into the device of a predefined password when a user wishes to access the data, the password being different from the passphrase.