Magnetic recording medium encryption

Details Magnetic recording medium encryption Magnetic recording medium encryption

2007-03-31

2011-10-11

Srivastava, Vivek (Department: 2433)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S002000, C713S189000

Reexamination Certificate

active

08037320

ABSTRACT:
Systems and methods for easily and at high speed re-encrypting data recorded on a magnetic recording medium when the data is encrypted using an encryption key and the encryption key is changed. A track where effective user data is not recorded is set as a first reserved track, then data is read out from the first updating source track and decrypted using a first encryption key KEY1, which is reencrypted using a second encryption key KEY2and recorded in the first reserved track, next, the first updating source track is set as a second reserved track, and a second updating source track is set, and the encryption key is updated by repeating these steps until all tracks to be subjected to the key updating processing have been subjected to the key updating processing.

REFERENCES:
patent: 5581740 (1996-12-01), Jones
patent: 5677900 (1997-10-01), Nishida et al.
patent: 7194091 (2007-03-01), Higashi et al.
patent: 2002/0154779 (2002-10-01), Asano et al.
patent: 2007/0288713 (2007-12-01), Sugimoto et al.
patent: 2008/0072071 (2008-03-01), Forehand et al.
Technology Paper, Full Disc Encryption—Best-in-Class Data Protection, TP-541, From: Global Product Marketing, Jun. 2005, www.seagatestorage.com, Seagate Technology, LLC, Scotts Valley, California, USA.

Affiliated with

Also associated with

Rating

Magnetic recording medium encryption does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Magnetic recording medium encryption, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Magnetic recording medium encryption will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4292769