An Illustration of $L$ (3, 2, 1)-path Coloring in Cryptography

One of the challenging aspects in communication networks is security. In this paper, we have discussed an application of
$\boldsymbol{L}(3,\ 2,\ 1)$
-path coloring for safe communication in networks. Here, an
$\boldsymbol{L}(3,\ 2,\ 1)$
-path coloring of graphs together with cryptography is used for encryption and decryption of secret messages.