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Friday, March 19, 2021

An encryption and decryption program

 An encryption and decryption program


It can be done with the simplest XOR operation, because the data can be restored by executing XOR twice. For example, if your data is ABC, then do XOR operation with 55H 41H XOR 55H = 14H42H XOR 55H = 17H43H XOR 55H = 16H and need to decrypt If you use the same action, you can restore 14H XOR 55H = 41H17H XOR 55H = 42H 16H XOR 55H = 43H This is the simplest encryption and decryption algorithm.

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