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Figure 1: Encryption and Decryption Process of Modified Lightweight AES In this paper was proposed some modifications to the AES to reduce the complexity of computations, number of iterations, and execution time, and to save memory. One modification to the AES is to combine it with a 4D JORN chaos keys (K1, K2,

Figure 1 Encryption and Decryption Process of Modified Lightweight AES In this paper was proposed some modifications to the AES to reduce the complexity of computations, number of iterations, and execution time, and to save memory. One modification to the AES is to combine it with a 4D JORN chaos keys (K1, K2,

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cycles rates with consume fewer resources. While the security increased key size but increased resource consumption.
cycles rates with consume fewer resources. While the security increased key size but increased resource consumption.
Figure 2 illustrates the proposed IoT system flowchart (using the proposed MLAES-hash (Raspberry Pi/sensors side)). It shows that the steps of the IoT security system operations, all parameters and initial values will be determined between the two sides (sender Raspberry Pi side, and IoT server side). Meanwhile, Figure 3 shows the proposed IoT security system using the proposed MLAES-hash (IoT server side). On the IoT server side, the encrypted payload data are decrypted in received packets using the steps in Figure 1. Then, the decrypted data hash will be generated by applying the proposed SHA3-256 bit on the decrypted payload data, and it will be compared with the hash stored in the received packet. The packet will be accepted or refused (dropped) depending on the comparison results.
Figure 2 illustrates the proposed IoT system flowchart (using the proposed MLAES-hash (Raspberry Pi/sensors side)). It shows that the steps of the IoT security system operations, all parameters and initial values will be determined between the two sides (sender Raspberry Pi side, and IoT server side). Meanwhile, Figure 3 shows the proposed IoT security system using the proposed MLAES-hash (IoT server side). On the IoT server side, the encrypted payload data are decrypted in received packets using the steps in Figure 1. Then, the decrypted data hash will be generated by applying the proposed SHA3-256 bit on the decrypted payload data, and it will be compared with the hash stored in the received packet. The packet will be accepted or refused (dropped) depending on the comparison results.
Figure 3 The Configuration block diagram for the loT proposed System Figure 2 The Proposed IoT Security System Using Proposed Modified Lightweight AES-Hashing (Raspberry Side).
Figure 3 The Configuration block diagram for the loT proposed System Figure 2 The Proposed IoT Security System Using Proposed Modified Lightweight AES-Hashing (Raspberry Side).
In the IoT server (administrator computer used to generate the response after data sensing verified and analysis as shown in Figure 3), the received payload packet will be decrypted using MLAES algorithm. The chaos generation will use the same initial values and parameters used on the sender side. After completing the decryption operation, the decrypted data will
In the IoT server (administrator computer used to generate the response after data sensing verified and analysis as shown in Figure 3), the received payload packet will be decrypted using MLAES algorithm. The chaos generation will use the same initial values and parameters used on the sender side. After completing the decryption operation, the decrypted data will
Table 2 Time measurement for the Proposed MLAES
Table 2 Time measurement for the Proposed MLAES
Table 4 Randomness Testes Results for the proposed MLAES.
Table 4 Randomness Testes Results for the proposed MLAES.
Jolan .R/ Ghassan .H/Alaa.K
Jolan .R/ Ghassan .H/Alaa.K
Related topics:
Computer ScienceCryptographyHash FunctionAdvanced encryption standard
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