Authentication of integrated circuits
First Claim
Patent Images
1. A method comprising:
- providing a first device from a group of devices fabricated based on a common design, each device having a corresponding plurality of measurable characteristics that is unique in the group to that device, each device having a measurement module for measuring the measurable characteristics; and
enabling authentication of the first device by selective measurement of one or more of the plurality of measurable characteristics of the device.
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Abstract
A group of devices are fabricated based on a common design, each device having a corresponding plurality of measurable characteristics that is unique in the group to that device, each device having a measurement module for measuring the measurable characteristics. Authentication of one of the group of devices is enabled by selective measurement of one or more of the plurality of measurable characteristics of the device.
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Citations
82 Claims
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1. A method comprising:
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providing a first device from a group of devices fabricated based on a common design, each device having a corresponding plurality of measurable characteristics that is unique in the group to that device, each device having a measurement module for measuring the measurable characteristics; and
enabling authentication of the first device by selective measurement of one or more of the plurality of measurable characteristics of the device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61)
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62. A method comprising:
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providing a first device from a group of devices fabricated based on a common design, each device having a corresponding plurality of measurable characteristics that is unique in the group to that device, the measurable characteristics having discrete values; and
enabling authentication of the first device by selective measurement of one or more of the plurality of measurable characteristics of the device. - View Dependent Claims (63, 64)
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65. A method, comprising:
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providing a first device from a group of devices fabricated based on a common design, each device having a corresponding plurality of measurable characteristics that is unique in the group to that device, each device having a processor;
selectively measuring one or more of the plurality of measurable characteristics of the first device;
accepting code for executing an operation on a processor of the first device; and
applying a one-way function using a first argument determined from the code. - View Dependent Claims (66, 67, 68, 69, 70, 71, 72)
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73. A method comprising:
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providing a first device from a group of devices fabricated based on a common design, each device having a corresponding plurality of electrically measurable characteristics that is unique in the group to that device; and
enabling authentication of the first device by selective measurement of one or more of the plurality of measurable characteristics of the device. - View Dependent Claims (74)
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75. An apparatus comprising:
a device selected from a group of devices fabricated based on a common design, each device in the group having a corresponding plurality of measurable characteristics that is unique in the group to that device, the device including a measuring component that measures a selected characteristic. - View Dependent Claims (76, 77, 78, 79, 80, 81, 82)
Specification