Suppose a user, Maria, discovers that her private RSA key (d 1, n 1) is same as the public RSA key (e 2, n 2) of another user, Frances. In other words, d 1 = e 2 and n 1 = n 2. Should Maria consider changing her public and private keys? Explain your answer.
Answer to relevant QuestionsConsider the use of counter mode, as shown in Fig. 8-15, but with IV = 0. Does the use of 0 threaten the security of the cipher in general?After Ellen confessed to Marilyn about tricking her in the matter of Tom's tenure, Marilyn resolved to avoid this problem by dictating the contents of future messages into a dictating machine and having her new secretary ...The WEP packet format is shown in Fig. 8-31. Suppose that the checksum is 32 bits, computed by XORing all the 32-bit words in the payload together. Also suppose that the problems with RC4 are corrected by replacing it with a ...In the public-key authentication protocol of Fig. 8-43, in message 7, RB is encrypted with KS. Is this encryption necessary, or would it have been adequate to send it back in plaintext? Explain your answer.Search the Internet for an interesting case involving privacy and write a 1-page report on it.
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