Decipher the following message: MWALO LIAIW WTGBH JNTAK QZJKA ADAWS SKQKU AYARN
ID: 3608809 • Letter: D
Question
Decipher the following message: MWALO LIAIW WTGBH JNTAK QZJKA ADAWS SKQKU AYARN CSODN IIAES OQKJY B using the Hill cipher with inverse key (2 23) (21 7) show all calculations and the result. thanks guys !!! Decipher the following message: MWALO LIAIW WTGBH JNTAK QZJKA ADAWS SKQKU AYARN CSODN IIAES OQKJY B using the Hill cipher with inverse key (2 23) (21 7) show all calculations and the result. thanks guys !!!Explanation / Answer
Use A=1, B=2, ...Z=26
P1 = 2(C1) +23(C2)
P2 = 21(C1) +7(C2) 2(M) + 23(W)
=2(13) +23(23)
=26 +529
= 555 MOD26
=9
= I21(M) +7(W)
=21(13) +7(23)
=273 +161
= 434MOD 26
=18
= R 2(A) + 23(L)
=2(1) + 23(12)
= 2 +276
= 278MOD 26
=18
= R 21(A)+7(L)
= 21(1) +7(12)
= 21 +84
= 105 MOD 26=
1 =A
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