METHOD OF UNITARY AUTHENTICATION OF A HARDWARE OBJECT COMPRISING VISUAL CRYPTOGRAPHY AND MATERIAL SIGNATURE
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United States of America Patent
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Jan 29, 2015
app pub date -
Jun 16, 2014
filing date -
May 1, 2011
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Abstract
The invention concerns a unitary authentication process of a material object consisting of a construction phase of an authenticator system comprising at least:
- a message image selection step;a support image selection step;a message and support images transformation step to generate at least two shared images according to a transformation process implementing at least a random sequence, the message image not being accessible in each shared image taken individually;a recording step of at least one shared image.According to the invention, in the construction phase of an authenticator each random sequence, the so-called material signature, is extracted or generated from at least one structural characteristic of at least one region of the material object and is liable to be generated on request and obtained identically from the material object.
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