Your colleague sent to you a message which is encrypted using a Playfair cipher, with key “ABABRDRCD” and the encrypted message which you received is “EC AK CK HD IA CV” what is your colleague message?
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Your colleague sent to you a message which is encrypted using a Playfair cipher, with key “ABABRDRCD” and the encrypted message which you received is “EC AK CK HD IA CV” what is your colleague message?
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- Entered Answer Preview Result OUPVJERSUP OUPVJERSUP incorrect The answer above is NOT correct. Decrypt the message RBKUAJWPBK which was encrypted using the affine cipher: f(p) = (11p +9) mod 26 Alphabet: A = 0, B = 1, ... , . = 25 Message: oupvjersupThe following is a message encrypted using affine cipher and you know the multiplicative key is 7 and the additive key is 3. Decrypt the message and show all your work. RFS DEY DCL CFA XXV HDE YFO REV WVO VEX VHD EYF ORE VAD BQO BOW EYD WVF ORF XVK XLP YBO BEL QDB XEV WDH BOW EYF OTF ORA DBQ OFO ROB ELQ BAA NQD XLA EXq11- "Moral" has been encrypted with Caesar cipher to "Rtwfq". Find the key to this Caesar cipher? Hint: Convert the numbers into mod 26 range. (0,1,2,3,.... 25) a- 31 mod 26 b- 34 mod 26 c- 26 mod 26 d- None
- 10. In a public-key system using RSA, you intercept the ciphertext C = 10 sent to a userwhose public key is e = 5, n = 35. What is the plaintext M?The transposition ciphertext "mce Ihb otn oaac" was generated by using 10 as the multiplicative key. What does the plaintext phrase say?Cryptanalyze the single alphabetic substitution cipher and enter the substitution key in the format: ABCDEFGHIJKLMNOPQRSTUVWXYZ.
- Decrypt the following plaintext "LNZM" using Atbash cipher. You have to generate the Atbash encryption keyWe receive the encrypted message 098 1 046 1. What is the decrypted message if it was encrypted using the RSA cipher from Example I I?1. Using the ABBA key, decrypt the word PKWDLDTB, if the Playfair cipher was used. Select ciphertext letters to show the plain text. A в D G H K (1 of 25) N O ST X Y M R V A B D E F H M N ABOUT AT IN WITH letter 1" letter 2 letter 4 letter 5 letter 6 letter 7 letter 8 2. Assign the numbers in the figure to symmetric cryptography concepts. 2 2 (2 of 25) 5 6: 5 3 9 2 secure communication channel decryption sender unsecure communication channel receiver ciphertext encryption plaintext shared key o o O o o o a o o o o o ooo O O o O O O o O o o o o o O o o ooo ooo o O o o o oO AO O O o O o o O o O o o •o o o o o o o o o O o n o o ooo ooo o O o •o o ooo ooo o O O O o oo O o O o oO mo o O ooo oo o O o o o o o ooo o o O o o O O ooO O o O o o o o o oooO o o o ooo o o o O o O oo O O O o o o ooo o O O O o o O o o
- The coded message that follows is an encrypted message from Brutus to the Roman Senate. It was produced using the Caesar cipher method, using a key-value of +5: OHWV GR MXOLXV RQ PRQGDB PDUFK 48 GUHVV: WRJD FDVXDO (EBRG) True False The standard format for an e-mail address is USER NAME@DOMAIN NAME. True FalseShowing the steps used, find the plaintext for problem below 1. Ciphertext = LJW HXD ORPDAN CQRB XDC 1. Assume that you intercept the following ciphertext and you know that it was encrypted using an additive cipher. LJW HXD ORPDAN CQRB XDC List what steps you would you take to try to figure out the original plaintext message.Encrypt the messageWATCH YOUR STEPby translating the letters into numbers, applying the encryption function f(p) = (−7p+2), and then translatingthe numbers back into letters