Abstract:
The RSA scheme is a block cipher in which the plaintext and ciphertext are integers between 0 and (n-1) for some n where n a product of two primes. In this study, we generalize RSA scheme in order to be applied to general linear group over the ring of integers modulo n and plaintexts and ciphertexts are kHk square matrices with entries in Zn (the integers modulo n) denoted by GL (k, Zn). We call it Elatrash scheme.
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