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dc.contributor.authorMaha, Maherin Mizan-
dc.contributor.authorMasuduzzaman, Md-
dc.contributor.authorBhowmik, Abhijit-
dc.date.accessioned2023-11-14T05:54:58Z-
dc.date.available2023-11-14T05:54:58Z-
dc.date.issued2020-01-
dc.identifier.citation3en_US
dc.identifier.otherhttps://doi.org/10.1145/3377049.3377085-
dc.identifier.urihttp://dspace.aiub.edu:8080/jspui/handle/123456789/1896-
dc.description.abstractResearchers have shown great interest in expanding and modifying the Playfair Cipher algorithm to overcome its pre-existing demerits. An explosion of research in cryptography for Playfair cipher occurred the last decade. While the inability of encrypting numeric characters exists in traditional Playfair Cipher, the algorithm is incompatible with many present technologies. Even for the encryption of a proper information in the form of human expressions, encryption of spaces between the words is needed as post processing of the decrypted message remains confusing without the feature. This paper proposes a modification of Playfair Cipher which is able to encrypt alphanumeric characters as well as spaces. The paper reaches the goal by modifying the dimension of the key matrix from 5 by 5 to 6 by 6 and introducing a method to replace spaces with configured digraphs from the generated key matrix. It is believed that introducing the mentioned features can prevent frequency attacks in Playfair Cipher. In this era of Internet of Things, the small devices need algorithms with lower memory consumption. Updated Playfair cipher can be implemented to aid to that.en_US
dc.language.isoenen_US
dc.publisherACM Digital Libraryen_US
dc.relation.ispartofseriesArticle No: 55;Pages 1–6-
dc.subjectAlphanumericen_US
dc.subjectBigramen_US
dc.subjectCryptographyen_US
dc.subjectDigraphen_US
dc.subjectDecryptionen_US
dc.subjectEncryptionen_US
dc.subjectInternet of Thingsen_US
dc.subjectPlayfair cipheren_US
dc.subjectSymmetric cipheren_US
dc.titleAn Effective Modification of Play Fair Cipher with Performance Analysis using 6X6 Matrixen_US
dc.typeOtheren_US
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