SECURITY DEVICE AND INTEGRATED CIRCUIT INCLUDING THE SAME
First Claim
1. A security device, comprising:
- a shield comprising at least one first conducting wire and at least one second conducting wire;
a first logic unit configured to receive a first pattern signal, transmit data based on the first pattern signal through the at least one first conducting wire, and output a detection pattern signal based on data received through the at least one second conducting wire;
a second logic unit configured to perform a logical operation on the data received through the at least one first conducting wire and transmit a result of the logical operation through the at least one second conducting wire; and
a detecting unit configured to provide the first pattern signal to the first logic unit, receive the detection pattern signal from the first logic unit, and detect an unauthorized access attempt.
1 Assignment
0 Petitions
Accused Products
Abstract
A security device includes a shield having at least one first and second conductive wire, first and second logic units, and a detecting unit. The first logic unit is configured to receive a first pattern signal, transmit data based on the first pattern signal through the at least one first conducting wire, and output a detection pattern signal based on data received through the at least one second conducting wire. The second logic unit is configured to perform a logical operation on the data received through the at least one first conducting wire, and transmit a result of the logical operation through the at least one second conducting wire. The detecting unit is configured to provide the first pattern signal to the first logic unit, receive the detection pattern signal from the first logic unit, and detect an unauthorized access attempt.
14 Citations
20 Claims
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1. A security device, comprising:
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a shield comprising at least one first conducting wire and at least one second conducting wire; a first logic unit configured to receive a first pattern signal, transmit data based on the first pattern signal through the at least one first conducting wire, and output a detection pattern signal based on data received through the at least one second conducting wire; a second logic unit configured to perform a logical operation on the data received through the at least one first conducting wire and transmit a result of the logical operation through the at least one second conducting wire; and a detecting unit configured to provide the first pattern signal to the first logic unit, receive the detection pattern signal from the first logic unit, and detect an unauthorized access attempt. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An integrated circuit comprising a plurality of layers, comprising:
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a shield disposed on a first layer from among the plurality of layers and comprising at least one first conducting wire and at least one second conducting wire; a first logic unit disposed on the first layer and configured to receive a first pattern signal, transmit data based on the first pattern signal through the at least one first conducting wire, and output a detection pattern signal based on data received through the at least one second conducting wire; a second logic unit disposed on the first layer and configured to perform a logical operation on the data received through the at least one first conducting wire, and transmit a result of the logical operation through the at least one second conducting wire; a secure circuit unit disposed on a second layer disposed below the first layer; and a detecting unit disposed on the second layer and configured to provide the first pattern signal to the first logic unit, receive the detection pattern signal from the first logic unit, and detect an unauthorized access attempt. - View Dependent Claims (14, 15)
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16. A security device, comprising:
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a logic circuit disposed on a top layer of an integrated circuit, and configured to output a detection pattern signal; a secure circuit disposed on a lower layer of the integrated circuit; and a detecting unit disposed on the lower layer, and-configured to receive the detection pattern signal from the logic circuit, provide a pattern signal and a control signal to the logic circuit, and provide an error signal to the secure circuit indicating an unauthorized access attempt based on a comparison of the detection pattern signal and an expectation pattern signal. - View Dependent Claims (17, 18, 19, 20)
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Specification