Advanced Encryption Standard with frequent S-box update and fusion function application

A system comprising:

• a server, wherein the server is configured to:
• generate a set of Advanced Encryption Standard (AES) parameters, wherein the set of AES parameters include a set of S-boxes, a set of mix-column matrices, a first cryptographic key, a set of second cryptographic keys, a third cryptographic key, a set of inverse S-boxes, and a set of inverse mix-column matrices, and
• transmit the generated set of AES parameters;
• a first user device, wherein the first user device is configured to transmit an input plaintext for encryption of the input plaintext;
• a second user device, wherein the second user device is configured to receive a decrypted text, wherein the decrypted text is obtained based on decryption of the encrypted version of the plaintext, and wherein the decrypted text is identical to the input plaintext;
• a first electronic device, wherein the first electronic device is configured to:
• receive, from the server, the set of AES parameters,
• receive, from the first user device, the input plaintext,
• obtain a first fusion function input based on performance of an XOR operation on the input plaintext and the first cryptographic key,
• execute a set of encryption rounds to generate a state output, wherein an execution of each encryption round comprises:
• application of a fusion function on a fusion function input to generate a fusion function output, wherein the first fusion function input is the fusion function input for a first encryption round of the set of encryption rounds, and
• performance of an XOR operation on the fusion function output and a second cryptographic key of the set of second cryptographic keys to obtain an encryption output, wherein the encryption output is the fusion function input for a following encryption round, wherein the encryption output obtained after execution of a last encryption round is the state output, wherein the second cryptographic key is different for each encryption round,
• obtain a ciphertext through execution of an AES encryption based on the state output, a S-box of the set of S-boxes, and a third cryptographic key, and
• transmit the ciphertext;
• and
• a second electronic device, wherein the second electronic device is configured to:
• receive, from the server, the set of AES parameters,
• receive, from the first electronic device, the ciphertext,
• obtain the decrypted text based on execution of an AES decryption procedure, wherein the AES decryption procedure is executed based on an inverse S-box of the set of inverse S-boxes and an inverse mix-column matrix of the set of inverse mix-column matrices, and
• transmit the decrypted text to the second user device, wherein the second user device receives the decrypted text based on the transmission,
• wherein the server is configured to generate the set of mix-column matrices, wherein each mix-column matrix of the set of mix-column matrices complies with a predefined criterion, wherein the predefined criterion is ensuring that each mix-column matrix of the set of mix-column matrices is invertible, wherein an interval between the generation of each pair of mix-column matrices of the set of mix-column matrices is less than a second predefined interval, and wherein at least two ciphertexts are generated within the second predefined interval.