Copyright protection card

Date of Publication

1992

Document Type

Bachelor's Thesis

Degree Name

Bachelor of Science in Computer Science

College

College of Computer Studies

Department/Unit

Computer Science

Abstract/Summary

As today's society become more and more dependent on computers, computer crimes and information stealing are getting to be major problems. In relation to this, different security methods are implemented to lesser or prevent such crimes. The Copyright Protection Card System is composed of the encryption and decryption processes. The encryption part is done by software means, and the decryption portion is accomplished by a circuitry inserted into the expansion slot. The card automatically detects and decrypts the software upon identification that the file is encrypted. The decrypted file will be returned back to the main memory for execution. To further protect the supplier from piracy and ignorance of the copyright laws, the encryption scheme inserts serial numbers into the encrypted files. The serial numbers of the encrypted software should match the ones contained in the card for operations to run smoothly. This virtually eliminates borrowing of software between two protection card owners. Aside from these serial numbers, a corresponding checksum is also added into the encrypted file so that authentication of the program code can take place.

Abstract Format

html

Language

English

Format

Print

Accession Number

TU07917

Shelf Location

Archives, The Learning Commons, 12F, Henry Sy Sr. Hall

Physical Description

99 numb. leaves ; Computer print-out.

Keywords

Copyright; Software protection; Zilog Z-80 (Microprocessor); Ciphers; Smart cards; Computer storage devices

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