Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2004-06-25
2009-11-17
Vu, Kimyen (Department: 2435)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C713S189000
Reexamination Certificate
active
07620813
ABSTRACT:
A method and apparatus to authenticate a data processing apparatus having a recording device, according to which recording data to and restoring data from only an authenticated recording device can be performed. The authentication method to ensure legally recording of data to and/reproducing of data from a recording device in a data processing apparatus having a host to process data and the recording device to store and reproduce data processed or to be processed by the host, includes authenticating the recording device via the host; authenticating the host via the recording device; and performing recording of data to and/or reproducing of data from the recording device upon determining that the host and the recording device have authenticated each other. According to the authentication method, in a data processing apparatus having a recording device to record and/or store data, only when a host and the recording device authenticate each other, access to the recording device is permitted, that is, recording and/or restoring data is enabled such that illegal use of data or use of data by an unauthorized user can be prevented.
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Cho Sung-yon
Jeong Seung-youl
Park Jong-lak
Sohn Hak-Yeol
Gyorfi Thomas
Samsung Electronics Co,. Ltd.
Staas & Halsey , LLP
Vu Kimyen
LandOfFree
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