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In this paper, we combine the visual secret sharing (VSS) scheme and the fractional Fourier transform (FrFT) to propose a new data hiding method. The cover and hidden images are used together to generate the two sharing data based on the VSS scheme. Then the FrFTs are applied to the sharing data to further encrypt them. To reconstruct the hidden image, both the two sharing data and the correct fractional...
Electronic cryptographic devices can be attacked by monitoring physical characteristics released from their circuits, such as power consumption and electromagnetic emanation. These techniques are known as Side Channel Attacks (SCAs). Differential Power Analysis (DPA) is one of the most effective SCAs, which can reveal the secret key from the dependency between the power consumption of the device and...
Electronics cryptographic devices can be attacked by monitoring physical characteristics released from their circuits, such as power consumption and electromagnetic emanation. These techniques are known as Side Channel Attacks (SCAs). The Differential Power Analysis (DPA) is one of the most effective SCAs, which can reveal the secret key from the dependency between power consumption of the device...
Power analysis is used to reveal the secret key of security devices by monitoring the power consumption of certain cryptographic algorithm operations through a statistical analysis approach known as Differential Power Analysis (DPA). Whilst this has been applied extensively to attacks on FPGA devices, there has been little research into attacks on ASIC devices. Although standard DPAs are essentially...
Security devices are vulnerable to differential power analysis (DPA) that reveals the key by monitoring the power consumption of the circuits. In this paper, we present the first DPA attack against an FPGA implementation of the camellia encryption algorithm with all key sizes and evaluate the DPA resistance of the algorithm. The Camellia cryptographic algorithm involves several different key-dependent...
The secret key stored in a cryptographic device can be revealed from the power consumption using statistical analysis in a technique known as differential power analysis (DPA). However, DPA attacks are sensitive to measurement misalignments in the power samples that reduce the dependency between the power and the data. A countermeasure technique that increases this misalignment by inserting random...
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