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:
Jun. 12, 2012
Filed:
Feb. 26, 2007
Pramila Srinivasan, Palo Alto, CA (US);
John Princen, Cupertino, CA (US);
Andy Chan, San Jose, CA (US);
Paul Mielke, Palo Alto, CA (US);
Rob Wheeler, Cupertino, CA (US);
Pramila Srinivasan, Palo Alto, CA (US);
John Princen, Cupertino, CA (US);
Andy Chan, San Jose, CA (US);
Paul Mielke, Palo Alto, CA (US);
Rob Wheeler, Cupertino, CA (US);
iGware, Inc., Mountain View, CA (US);
Abstract
A technique for securing a flash memory block in a secure device system involves cryptographic techniques including the generation of a Message Authentication Code (MAC). The MAC may be generated each time a file is saved to one or more data blocks of a flash memory device and stored with the file's metadata and to each of the data blocks. A technique for reading and storing versioned files may be employed when applications utilize versioning.