摘要 |
A method for verifying authenticity of an object that has a unique identification number includes the steps of: generating a varying secret key, a first authentication code based on the varying secret key, and a second authentication code based on the unique identification number of the object and the varying secret key; and generating a verifying code that is based on two of the first and second authentication codes and the unique identification number of the object and that can be matched to the remaining one of the first and second authentication codes and the unique identification number of the object in order to verify authenticity of the object. A system that performs the method is also disclosed. |