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...Amatrixextension of the rsa cryptosystem andrewpangia december abstract wepropose a variation on namely an extension en cryption and decryption methods to matrix values in addition scalars we rst explore mathematics behind after which investigate theory pro posed system concept extending apply matrices originated paper released by ieee but method given contained sev eral errors our investigation correct those establish limitations have found introduction throughouthumanhistory anecessitytosecretlyexchangemessageshasexisted themethodsof disguising message are referred as ciphers or cryptosystems prior being disguised is plaintext while process itself encryp tion typically involves integer group integers called key encrypted ciphertext returning past were utilised primarily during military deavors where commander needed communicate with his peers without having opposition learning any information this current age however far more ubiquitous ranging from checking email making purchase onl...