Date Added: May 2012
Cryptographic algorithms become more complex and "Heavyweight" every year. This is completely correct from the viewpoint of security. But at the same time such growth increases resource requirements of the algorithms and the complexity of their implementation. This also essentially increases expenses of energy required to perform cryptographic procedures. In this paper, the authors review applications of cryptographic algorithms in routing protocols. Also, they analyze the possibilities of use of a lightweight block cipher as a cryptographic kernel to mount various types of cryptographic algorithms which do not require significant resources together over it.