AN IMPLEMENTATION OF DATA ENCRYPTION FOR INTERNET OF THINGS USING BLOWFISH ALGORITHM ON FPGA

Information security has become an important issue in data communications. One method to ensure the security of data is to use cryptographic method. Cryptography is a method to encode the information to keep the information from being hacked by the other party. The implementation of cryptography is used a significant amount of computer resources. Various range application of blowfish algorithm can be implemented for data encryption sent from an Internet of Things physical network which have IP-based data. In this research, blowfish algorithm is implemented on FPGA using VHDL programming language, and monitored the number of FPGA resource that is used. The blowfish algorithm is analyzed by computing certain metrics performances such as security, encryption time, avalanche effect, and throughput from multiple testing scenarios for system reliability. The testing showed that blowfish algorithm gave a good performance when implemented in FPGA and show a good alternative to proposed as network security on Internet of Things.

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