A Privacy Protection Method using Hybrid Cryptography for IoT and MANET

Abstract

This study proposes the use of hybrid cryptography that combines two cryptographic algorithms, namely AES (Advanced Encryption Standard) and NTRU (N- th degree Truncated Polynomial Ring Unit), to improve the security and efficiency of IoT data encryption in MANET. In the proposed model, AES is used as a symmetric encryption algorithm for data processing, while NTRU is used for key encryption in the key encapsulation mechanism (KEM), which provides secure key exchange in an unsecured channel. The data encryption process uses AES with a key modification technique through the NTRU modular polynomial, which increases the complexity and security of the AES key used, and reduces the risk of modern cryptographic attacks. This study also develops a data encapsulation mechanism (DEM) that ensures data security in transit using AES. The main advantage of this method is the combination of efficient AES speed and NTRU's resistance to quantum attacks and lattice- based attacks, which provides long-term security assurance. The evaluation was conducted to measure the effectiveness of key encapsulation and data encapsulation schemes in improving performance and resilience to attacks, as well as the effectiveness of fast and accurate decryption processes in limited resource environments on IoT and MANET. The results of this study indicate that the hybrid cryptography approach can improve the integrity and confidentiality of communications in IoT networks with optimal performance even in limited resource conditions.