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An Efficient Software Protection Scheme. Antonio Ma ña, Ernesto Pimentel University of Málaga, Spain Trusted Information: The New Decade Challenge, IFIP TC11 Sixteenth Annual Working Conference on Information Security, June 11-13, 2001, Paris, France.

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An efficient software protection scheme

An Efficient Software Protection Scheme

Antonio Maña, Ernesto Pimentel

University of Málaga, Spain

Trusted Information: The New Decade Challenge, IFIP TC11 Sixteenth Annual Working Conference on Information Security, June 11-13, 2001, Paris, France.

Presented by Matt Barrett, [email protected]


Summary
Summary

The paper describes a software based protection scheme using smart-card based hardware tokens allowing Internet based software distribution, with a powerful license management system.


Appreciative comment
Appreciative Comment

  • Thorough description of problem

  • Well stated and defensible justification

  • “…it is concluded that to obtain a provable secure protection scheme we must have a tamperproof processor that contains and executes the protected software.”


Critical comment
Critical Comment

  • Unclear definition of schemes

    • Fail to separate two descriptions

  • Error in diagrams

  • Marked difference in clarity

  • Explanations could be more concise




Appreciative comment1
Appreciative Comment

  • Licensing management

    • Free distribution over the Internet

    • Easy recovery of lost licenses

    • Transfer of licenses to other smart cards

    • Expiration of license

  • Extremely useful features, giving scheme a wide scope of usefulness


Discussion
Discussion

  • Just not practical for use with software

    • “The cat is already out of the bag.”

  • Could the principles of this scheme be modified for use with pure content?


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