Cryptography-based tamper-resistant software design mechanism

Details Cryptography-based tamper-resistant software design mechanism Cryptography-based tamper-resistant software design mechanism

2005-12-13

2005-12-13

Peeso, Thomas R. (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S182000, C713S186000, C713S194000, C713S152000, C713S152000

Reexamination Certificate

active

06976167

ABSTRACT:
An arrangement is provided for tamper-resistant software to protect high-security data. In an embodiment, high-security authorization information is encrypted using a fingerprint that is computed based on a protected portion of a data access program. When the program is executed, a runtime fingerprint is computed based on the protected portion of the program to decrypt the high-security authorization information. Access to the the high-security data is allowed only when the decryption is successful.

REFERENCES:
patent: 6035398 (2000-03-01), Bjorn
patent: 6041411 (2000-03-01), Wyatt

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