Informatics Publishing Limited

R. Jeeva ¹, M. Ayyam Perumal ²

Affiliations
1 Joe Suresh Engineering College, Tirunelveli, IN
2 SCAD College of Engineering and Technology, Tirunelveli, IN

Abstract

Nodes in Adhoc networks evaluate the parameters like Qos, transceiver velocity, transmission threshold, transmitter signal carrier frequency etc to choose the optimal path to transmit the data. But when the transmission mode is mobile, the most important parameter to be considered is Battery power consumption to avoid loss of nodes without notification. To implement the above requirement, we proposed a system that forms the centralization in a dynamic way to allocate nodes for transmission based on the above parameter that reduces the routing overload but also extend battery life of the mobile devices by reducing the required number of operations for route determination. Another important parameter for transmitting data is security. So we have framed Randomized Matrix Arithmetic Coding (RMAC), that uses a randomized matrix formed by the random key based on the user profile for encryption using the symbols in the matrix, not by the key and at the same time it is easy to recreate the matrix at the decryption side if authenticated.

Keywords

Transceiver Velocity, RMAC.

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R. Jeeva ¹

Affiliations
1 Suresh Engineering College, Tirunelveli, IN

Abstract

BATMAN is one of the recent methodologies in the MANET which select the nodes for transmission on the basis of receiver originated messages. But there are other parameters to be considered in selecting nodes during transmission especially in cluster network. Cluster heads have to be more stable than other nodes so that they can manage other nodes in the cluster. But it can’t be selected by BATMAN algorithm. In our system, we are partitioning the nodes equally under cluster heads to ensure optimal manageability without exceeding the threshold value. Cluster heads are selected based on node stability that has been calculated for every N cycle. Transmission between the nodes with in a cluster will be done through cluster heads to conserve energy of remaining nodes. In case of outlier nodes with in a cluster, transmission parameters will take the BATMAN approach into account to provide reliable transmission.

Keywords

Node Stability, Outlier Nodes.

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R. Jeeva ¹

Affiliations
1 Department of Computer Science and Engineering, Joe Suresh Engineering College, IN

Abstract

The proposal of indistinguishable encryption in Randomized Arithmetic Coding(RAC) doesn't make the system efficient because it was not encrypting the messages it sends. It recomputes the cipher form of every messages it sends that increases not only the computational cost but also increases the response time.Floating point representation in cipher increases the difficulty in decryption side because of loss in precison.RAC doesn't handle the inference attacks like Man-in-Middle attack,Third party attack etc. In our system, Dynamic Matrix Arithmetic Coding(DMAC) using dynamic session matrix to encrypt the messages. The size of the matrix is deduced from the session key that contains ID of end users which proves the server authentication.Nonce values is represented as the public key of the opponents encrypted by the session key will be exchanged between the end users to provide mutual authentication. If the adversary try to compromise either server or end users,the other system won't respond and the intrusion will be easily detected. we have increased the hacking complexity of AC by integrating with RSA upto 99%.

Keywords

RAC, DMAC, Hacking Complexity, Third Party Attack, Inference Attack.

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Sally K. Mathew ¹, K. Surendra Gopal ², N. Miniraj ³, Anjaly Varghese ¹, R. Jeeva ²

Affiliations
1 Department of Plant Pathology, College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala, IN
2 Department of Agricultural Microbiology, College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala, IN
3 Department of Plantation Crops and Spices, College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur, Kerala, IN

Abstract

A study was undertaken to determine the presence of aflatoxigenic fungi and other fungal contaminants in the kernel, mace and shell of ripened nutmeg tree fruits collected from nutmeg plots of Ernakulam and Thrissur districts of Kerala. Mace and nut were separated from fruits and washed in tap water to remove soil particles and other debris adhering to it. The kernel, mace and shell were subjected to different chemical/botanicals by four methods viz; dipping, decoction, samples in cloth bag and fumigation in order to prevent aflatoxigenic fungi and other fungal growth during storage. Based on the present studies, it was found that pre-treatment of kernel, mace and shell of nutmeg with either citrus leaf decoction (@100 g/litre) or curry leaf decoction (@ 100 g/litre) or Anona seed extract (5%) using decoction method were effective against aflatoxigenic fungi as well as fungal contamination. However, further studies are needed on pilot scale to confirm.

Keywords

Aflatoxigenic Fungi, Botanicals, Chemicals, Nutmeg.

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