In above code it occur block size issue, In block cipher encryption (like AES in ECB mode), the message is divided into blocks of a fixed size (e.g., 16 bytes for AES). If your message doesn’t exactly ...

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Learn about the different modes of operation for block ciphers, such as ECB, CBC, CTR, and GCM, and how to compare their security, performance, compatibility, and ease of use.

The challenge in securizing communications networks is to obtain flexible means able to deal with the intensive computation needed by the cryptography algorithms. A representative example of this ...

The tests were made on AES and RC6 block ciphers implemented in the ECB mode pre-processed with our mechanism and the results were compared to those obtained by these ciphers implemented in the ECB, ...