Effectiveness of Text Messages Using Substitution Ciphers and Transposition Ciphers
DOI:
https://doi.org/10.55537/bigint.v2i1.578Keywords:
Classical Cryptography, Substitution, TranspositionAbstract
The rapid development of communication technology has brought many benefits. One technique that is always used is news channels. Currently, chat applications are widely used, everyone uses messaging applications as a communication tool to send accurate information, and everyone is increasingly satisfied using these applications. Technology has emerged to convey messages from sender to recipient more efficiently. Message content; He; Security, social, education and work and recreation. This article explains how effective text-based message security is using substitution and transposition cryptographic methods. With the introduction of encryption processes, interception of text messages should be minimized. Of these two methods, the performance test results show that all combinations of encryption and decryption are truly successful in returning the ciphertext to its original plaintext.
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