Electrical computers and digital processing systems: support – Data processing protection using cryptography – By stored data protection
Reexamination Certificate
2006-07-18
2006-07-18
Sheikh, Ayaz (Department: 2131)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
By stored data protection
C380S200000, C380S201000, C380S202000, C380S203000, C705S057000
Reexamination Certificate
active
07080261
ABSTRACT:
Computer-readable medium provided with a memory area (2; 26, 28) for storing data and a distinct microprocessor (3) having a communication interface (4), a memory unit (7) and a processor unit (5) connected to both the communication interface (4) and the memory unit (7). The data may include a first data portion which is arranged to be read and decrypted by a computer arrangement (11) provided at least one condition is met, and the microprocessor (3) being arranged to generate at least one cryptographic key once the condition is met that is necessary to decrypt the data. The invention is also directed to a computer arrangement arranged to communicate with such a medium.
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Arani Taghi T.
Finnegan Henderson Farabow Garrett & Dunner LLP
Sheikh Ayaz
LandOfFree
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