Indian Journal of Science and Technology

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Objective: The foremost goal of this paper is to upgrade the security of information and processing speed utilizing symmetric cryptographic technique based on ASCII value while transferring of information. The idea of this paper is to produce an encoded content by giving plain text enter to symmetric cryptographic based on ASCII value and getting decoded text as original text as original text by giving encrypted text symmetric cryptographic based on ASCII value. Method: In this paper, we have proposed an algorithm which is established on the ASCII value to encode a plaintext. This algorithm randomly generates a key for the person having a length equivalent to the length of the plaintext. The randomly generated key is modified to one other key via substitution of position of key utilizing a random number and is used to decode decrypt the message of original plaintext. Finding: GUI interface was developed using Java Net Beans IDE 8.0. Entire outcomes have obtained using a computer with the following specifications: Intel Core i3 CPU and 1GB RAM. Improvement: Besides the proposed algorithm utilized for this exploration, the other chance of utilizing different algorithm will be executed in future work.

Keywords

Ciphertext, Cryptography, Cyber security, Decryption, Encryption, Plaintext.
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