A Survey of Key Management Technique for Secure and Reliable Data Transmission in MANET

A Mobile Ad-Hoc Network (MANET) is a self-configuring network of mobile nodes connected by wireless links to form an arbitrary topology without the use of existing infrastructure. Due to the nature of Unreliable Wireless medium Data Transfer is a major Problem in MANET and it lacks Security and Reliability of Data. Cryptographic techniques are commonly used for secure Data transmission wireless networks. Most cryptographic techniques, such as symmetric and asymmetric cryptography, often involve the use of cryptographic keys. However, all cryptographic techniques will be useless if the key management is weak. Key management is the central component in MANET security. There are number of key management schemes have been proposed for MANET. In this survey, we present a complete analysis of various key management techniques to find an efficient key management for Secure and Reliable Data transmission in MANET.