Today’s world is data world because each and every people survive with data. The data produced from social media because everyone people used media. People’s data is very important in the world. This data does not have good security so to overcome this issue we apply the proposed method. The proposed method has three steps; 1. Applying the commutative property of addition in matrix; 2. Applying the associative property of addition in matrix; and final step is multiply the secret key in the matrix. The proposed method provides good security while comparing with Salsa method. © 2021 Elsevier B.V., All rights reserved.