Experimental study of Diffie-Hellman key exchange algorithm on embedded devices

Security in Embedded systems has become an important constraint in modern days. There are different cryptographic algorithms developed for providing data security. Among these Diffie-Hellman is the basic one. Diffie-Hellman Key Exchange method of cryptography has been the simplest method of implementation used in various cryptographic applications till now. In this work, we introduce the Diffie-Hellman based cryptography implementation on two embedded devices communicating with each other over Ethernet. Our aim is to provide a secure data communication by using key agreement scheme generated using the Diffie-Hellman key exchange algorithm Here, we are implementing the Diffie-Hellman based cryptography on Raspberry Pi and arduino hardware by establishing a socket communication between the two hardware devices and the key exchange happens using the established network communication.