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:
Oct. 14, 2008
Filed:
Aug. 05, 2002
Applicants:
Risto Rönkkä, Tampere, FI;
Toni Sormunen, Kämmenniemi, FI;
Antti Kiiveri, Oulu, FI;
Antti Jauhiainen, Kempele, FI;
Inventors:
Risto Rönkkä, Tampere, FI;
Toni Sormunen, Kämmenniemi, FI;
Antti Kiiveri, Oulu, FI;
Antti Jauhiainen, Kempele, FI;
Assignee:
Nokia Corporation, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 11/30 (2006.01); G06F 12/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Processing information in an electronic device is carried out by at least one processing block for controlling the operation of the electronic device, and a memory. At least a first private key is used for processing information. At least a protected mode and a normal mode are established in the processing block. Part of the memory can be accessed only in said protected mode. At least said first private key is stored in the memory that is accessible in said protected mode.