Question
Given enciphering keys and ciphertext, find the deciphering key and corresponding plaintext for Quote 2 Quote 2 Ciphertext 1 Ciphertext: qbeia bpmjm abwnb qumaq beiab
Given enciphering keys and ciphertext, find the deciphering key and corresponding plaintext for Quote 2
Quote 2
Ciphertext 1
Ciphertext: qbeia bpmjm abwnb qumaq beiab pmewz abwnb quma
Enciphering Key: Add shift 8
Ciphertext 2
Ciphertext: upqag plkjk gpwtp uekgu pqagp lkqwx gpwtp uekg
Enciphering Key: Affine 2, 9
Ciphertext 3
Ciphertext: yfjpe fxuqu efhvf yauey fjpef xujhd efhvf yaue
Enciphering Key: Keyletter: k, Keyword: loath
Ciphertext 4
Ciphertext: ulska ljcvc alinl umcau lskal jcsip alinl umca
Enciphering Key: Mult shift 11
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An Introduction to the Mathematics of Financial Derivatives
Authors: Ali Hirsa, Salih N. Neftci
3rd edition
012384682X, 978-0123846822
