Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Particular communication authentication technique
Reexamination Certificate
2009-01-07
2011-12-27
Orgad, Edan (Department: 2439)
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Particular communication authentication technique
C709S229000, C713S172000, C726S010000, C726S030000, C705S059000, C705S066000
Reexamination Certificate
active
08086856
ABSTRACT:
Apparatus and article of manufacture for disabling on-demand access to computerized resources on a computerized apparatus are disclosed. The method comprises receiving a disablement code; validating the disablement code; and disabling an on-demand resource if the validating is successful, thereby rendering the disabled on-demand resource unavailable for use by users of the computerized apparatus, wherein the disabled on-demand resource is a hardware resource of the computerized apparatus. Another embodiment includes receiving a disablement code comprising encrypted data, validating the disablement code, disabling at least one on-demand resource if the validating is successful. The validating includes generating a first key using system information unique to the computerized apparatus; decrypting the encrypted data using a second key to produce decrypted data; encrypting a value to produce an encrypted value; decrypting the encrypted value to produce a decrypted value; and comparing the value to the decrypted value.
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Lewis David O.
McMahon Lynn A.
Schardt Terry L.
Baum Ronald
International Business Machines - Corporation
Orgad Edan
Patterson & Sheridan LLP
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