Data processing: financial – business practice – management – or co – Business processing using cryptography – Usage protection of distributed data files
Reexamination Certificate
2006-08-01
2006-08-01
Trammell, James P. (Department: 3621)
Data processing: financial, business practice, management, or co
Business processing using cryptography
Usage protection of distributed data files
C705S051000, C380S046000, C380S001000, C380S029000, C713S176000, C713S189000
Reexamination Certificate
active
07085742
ABSTRACT:
A method and an apparatus for using an encrypted unique digital signature (“engraved signature”) as a uniquely definable signature to control the use or execution of software in a computer system. The computer system has a Network Interface Card (“NIC”) with a Media Access Control (“MAC”) address. On start up, the engraved signature is retrieved from the persistent storage medium of the computer system and the MAC address is retrieved from the NIC. A computed encrypted signature is generated using the MAC address. Where the computed encrypted signature does not match the engraved signature, the execution of the software is halted.
REFERENCES:
patent: 5276738 (1994-01-01), Hirsch
patent: 6308256 (2001-10-01), Folmsbee
Controlling copyright infringements of intellectual property: The case of computer software—Part two. Malhotra, Yogesh—Journal of Systems Management v45n7 pp.: 12-17 Jul. 1994—ISSN: 0022-4839 JRNL CODE: JSM.
JP20041715004 Nov. 15, 2002, Unauthorized-use prevention for software program, transmits authentication password to user, based on computer indentificatioon information received by program management traders.
Fung Edward
Ho Raymond
Greene Daniel L.
McCormick Paulding & Huber LLP
Trammell James P.
Xybo Systems, Inc.
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