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Semiconductor memory devices that are resistant to power attacks and methods of operating semiconductor memory devices that are resistant to power attacks
Semiconductor memory devices that are resistant to power attacks and methods of operating semiconductor memory devices that are resistant to power attacks
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机译:抵抗功率攻击的半导体存储设备以及抵抗功率攻击的半导体存储设备的操作方法
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摘要
A semiconductor memory device according to some embodiments includes a random converter that receives data and address information including a start address value and an end address value of the address from a central processing unit (CPU), generates and stores at least one random number for each address value from the start address value to the end address value, performs a logical operation on the random number and the data corresponding to the address, and responsively generates randomized data to be stored in memory. Accordingly, the semiconductor memory device randomizes a power consumption signature that can occur when data is stored, thereby writing and reading data in a manner that is resistant to a power attack.
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