| 摘要 |
A cryptographic system for encrypting input data in accordance with an encryption algorithm having a repeated-round structure may include an encryption unit updating and storing encrypted data in accordance with the encryption algorithm in each given round, and outputting the encrypted data after executing the encryption for a given number of rounds. The system may include a compensation unit generating and storing compensation data so that a sum of a Hamming distance for the updated and stored data and a Hamming distance of the compensation data is maintained at a constant value.
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