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R-18 suppose that asymmetric cryptosystem with 32-bit key length is used to encrypt message written in English and encoded in ASCII. Given that keys are
R-18 suppose that asymmetric cryptosystem with 32-bit key length is used to encrypt message written in English and encoded in ASCII. Given that keys are short, an attacker is using a brute-force exhaustive search method to decrypt a cipher text of bytes. Estimate the probability of uniquely recovering the plaintext corresponding to the cipher text for the following values of t: 8, 64, and 512.
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