Unique identifier, method for providing the unique identifier and use of the unique identifier
First Claim
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1. A method for providing a unique identifier for an object like a product, an authorization for an access or similar, comprising the steps:
- a) providing a master key;
b) generating a first random session key; and
c) mixing the master key with the first random session key.
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Abstract
A unique identifier which substantially prevents product counterfeiting, wherein the unique identifier can be produced in a very cost-effective manner. The unique identifier is suitable not only for use as a product identifier but also for authorization, for example for securing physical or electronic accesses, such as doors, computer programs or the like.
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Citations
20 Claims
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1. A method for providing a unique identifier for an object like a product, an authorization for an access or similar, comprising the steps:
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a) providing a master key; b) generating a first random session key; and c) mixing the master key with the first random session key. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification