ABSTRACT:Mobile nodes in military environments like a tract or a hostile region square measure seemingly to suffer from intermittent network property and frequent partitions. Disruption-tolerant network (DTN) technologies are getting undefeated solutions that permit wireless devices carried by troopers to speak with one another and access the lead or command dependably by exploiting storage device nodes. Disruption-tolerant network (DTN) technologies are getting undefeated solutions that permit nodes to speak with one another in these extreme networking environments. Typically, once there's no end-to-end affiliation between a supply and a destination try, the messages from the supply node might have to attend within the intermediate nodes for a considerable quantity of your time till the affiliation would be eventually established. The idea of attribute-based encoding (ABE) could be a promising approach that fulfills the wants for secure information retrieval in DTNs. Especially, Cipher text-Policy ABE (CP-ABE) provides a scalable means of encrypting information such the encryptor defines the attribute set that the decodeor must possess so as to decrypt the cipher text. Thus, totally different completely different} users square measure allowed to decode different items of knowledge per the protection policy.