solution for 8 6. In the 31-letter alphabet B described in Exercise 2, use the a
ID: 3197286 • Letter: S
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solution for 8
6. In the 31-letter alphabet B described in Exercise 2, use the affine cipher a = 15 and b = 22 to encipher the following message. Houston, we have a problem. What is the inverse mapping that will decipher the ciphertext? 7. Suppose the alphabet consists of a through z, in natural order, followed by a colon. period, and then a forward slash. Associate these "letters" with the numbers 0, 1,2,... 28, respectively, thus forming a 29-letter alphabet, C. Use the affine cipher with key a 3 and b 22 to decipher the message OVVINTTBBBQ/FDLWLFQ/GATYST and state the inverse mapping that deciphers this ciphertext. and b 7to decipher the message and state the inverse mapping that deciphers this ciphertext. 8. Use the alphabet C from the preceding problem and the affine cipher with key a - 9. Sunnose that in a lone cinhertext pmessage the letter y occurred most frequently, folExplanation / Answer
GIVEN MEGGAGE : RRROAWFPHPWSUHIFOAQXZC:Q.ZIFLW/O:NXM
DECIPHER CODE :PPPMYUDNFNUQSFGDMYOVXA:O.XGDJU/M:LVK
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