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Describe your cryptanalysis process

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Reference no: EM131882589

Cryptology and Data Protection

1) The following is a ciphertext:

U GIRJ CFJ SWAY. SWAY UR JQW GUCB-TUDDWY. SWAY UR JQW DUJJDW-BWAJQ JQAJ LYUCPR JFJAD FLDUJWYAJUFC. U NUDD SAKW GM SWAY. U NUDD EWYGUJ UJ JF EARR FOWY GW ACB JQYFIPQ GW. ACB NQWC UJ QAR PFCW EARJ U NUDD JIYC JQW UCCWY WMW JF RWW UJR EAJQ. NQWYW JQW SWAY QAR PFCW JQWYW NUDD LW CFJQUCP. FCDM U NUDD YWGAUC - SYACT QWYLWY

a) What kind of cipher text is this? Mono- or Poly alphabetic; [Hint: assume one and when that does not work look for the other]

b) Describe your cryptanalysis process. List all the steps you went through to decrypt the message. The steps should be in sufficient details so that a reader would be able to decrypt the encrypted text without needing any help from you.State the plain text message

[the solution worked without the help from online tools will be given full credit]

[If you find solution online or use online tools and if you still describe the steps by reverse engineering you will still get full credit]

[If you list partial steps you will get partial credit]

c) List features of the cipher- text that hindered and helped your decryption process. mention of helpful and hindering features

Note: Only a decrypted message even if it is correct one without the methodology and the detailed description of the self-explanatory steps used to decrypt, would not get points.

Verified Expert

This assignment is related to Cryptography and data protection. The given problem is to do decryption for the given cipher text. Given cipher text is based on mono-alphabetic substitution cipher. Relevant process is carried on given cipher text and plain text has been predicted from the given cipher text.

Reference no: EM131882589

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len1882589

2/28/2018 2:20:15 AM

INFA 640 9040 Cryptology and Data Protection (2182) Note: Only a decrypted message even if it is correct one without the methodology and the detailed description of the self-explanatory steps used to decrypt, would not get points.

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