This paper introduces a lightweight cryptography hash function for big data and IoT applications. The proposed design employs S-Box, linear transformation, and bit permutation functionalities. Conventional hash functions require memory and time to process big data and IoT applications. Therefore, a secure and quick lightweight cryptography protocol is needed. This design provides the security requirements of the conventional hash functions and the specifications of the lightweight cryptography protocols. The proposed design is tested and verified using three of the lightweight requirements: speed, memory and power consumption. The results show that the proposed design outperforms other lightweight protocols in terms of speed, memory and power consumption. Moreover, the security analysis shows that this design posses the general security requirements of the conventional hash protocols.
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