Evaluation of tamper resistant software system implementations
First Claim
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1. A method comprising:
- defining a rating of the tamper resistance of a software system;
breaking down said rating into a plurality of metrics relevant to the tamper resistance of said software system;
calculating a score for each of said metrics; and
combining said scores of said metrics into a composite score for said rating.
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Abstract
According to one embodiment of the present invention, a method for evaluating a software system includes defining a rating of the tamper resistance of a software system and breaking down the rating into a plurality of metrics relevant to the tamper resistance of the software system. A score may then be calculated for each metric and the scores may be combined into a composite score for the rating.
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Citations
25 Claims
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1. A method comprising:
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defining a rating of the tamper resistance of a software system; breaking down said rating into a plurality of metrics relevant to the tamper resistance of said software system; calculating a score for each of said metrics; and combining said scores of said metrics into a composite score for said rating. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method comprising:
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defining a rating and a plurality of sub-ratings of the tamper resistance of a software system; breaking down said plurality of sub-ratings into a plurality of metrics relevant to the tamper resistance of said software system; calculating a score for each metric; combining said scores of said metrics into composite scores for said sub-ratings; and combining said composite scores for said sub-ratings into an overall score for said rating, - View Dependent Claims (12, 13, 14)
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15. A method comprising:
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defining a rating of the tamper resistance of at least two software systems; decomposing said rating into at least one sub-rating that is a subset of said rating; breaking down said sub-rating into a plurality of metrics relevant to the tamper resistance of said at least two software systems; calculating a score for each metric; combining said scores of said metrics into a composite score for said sub-rating and combining said scores of said sub-ratings into a composite score for the said rating for each of said at least two software systems; and comparing said ratings of different ones of said at least two software systems to determine which software system has the highest tamper resistance. - View Dependent Claims (16, 17, 18)
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19. A service of providing a rating of a software system comprising:
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receiving a software system from an entity; defining a rating of the tamper resistance of said software system; decomposing said rating into at least one sub-rating that is a subset of said rating; breaking down said sub-rating into a plurality of metrics relevant to the tamper resistance of said software system; calculating a score for each metric; combining said scores of said metrics into a composite score for said sub-rating and combining said scores of said sub-ratings into a composite score for said rating; and providing a security rating for said software system to said entity. - View Dependent Claims (20, 21, 22)
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23. A computer program product for rating the tamper resistance of a software system, the computer program product comprising:
a computer usable medium having computer usable program code embodied therewith, the computer usable program code comprising; computer usable program code configured to; define a rating of the tamper resistance of a software system; decompose said rating into at least one sub-rating that is a subset of said rating; break down said sub-rating into a plurality of metrics relevant to the tamper resistance of said software system; calculate a score for each metric; and combine said scores of said metrics into a composite score for said rating. - View Dependent Claims (24, 25)
Specification