Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Central trusted authority provides computer authentication
Reexamination Certificate
2006-09-27
2011-11-22
Salehi, Helai (Department: 2433)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Central trusted authority provides computer authentication
C713S173000, C713S175000, C726S010000, C380S030000, C380S282000, C380S285000
Reexamination Certificate
active
08065516
ABSTRACT:
A magnetic disk drive is provided capable of reducing a processing load even in a mode of, for example, reproduction during recording. In one embodiment, a magnetic disk drive includes a storage unit for storing certificate information that relates to the magnetic disk drive and corresponds to a root key of a certification organization. The certificate information is used on the host side to perform authentication processing of the magnetic disk drive.
REFERENCES:
patent: 2003/0161064 (2003-08-01), Hori et al.
patent: 2004/0003239 (2004-01-01), Ohmori et al.
patent: 2006/0234797 (2006-10-01), Davis et al.
Haruko Takano, Tatsuya Hirai and Yukihide Inagaki, The outline of content protection technology for a removable storage, IEIC Technical Report (Institute of Electronics, Information and Communication Engineers), 2005, vol. 104, No. 652, pp. 5-10, Japan.
Tatsuya Hirai, Content protection technology for a novel removable drive, IEEE Transactions on Magnetics, Issue Date: Feb. 2005, vol. 41, Issue: 2, pp. 860-869, published by IEEE Magnetics Society, USA.
Hirai Tatsuya
Watanabe Yoshiju
Hitachi Global Storage Technologies - Netherlands B.V.
Patterson & Sheridan LLP
Salehi Helai
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