Exercises for Seminar and Homework 5 - Microsoft Word (Coon aktuBaunn nponykTa) X Dawn InaBHan BCTABKa Pa3MeTKa CTpaHNubl CCbinky Paccbinky PeyeH3upoBaHue BuA Acrobat a do Bbipesatb Times New Ro - 12 AA En KonupoBath AaBOBBI AaBOBBI Aa56BB Aa56BB Aabt Aa56Bel Aab6Bel. Aab6Bel. Aa56Bel Aa56BBl Gac 3aMeHUTb BCTaBUTb DopMaT no 06pazLy XX Y - abe x x' A. Z . A . = = = $ 3. B. 1 6e3 MHTep.. 3aronoBOK 1 3aronoBOK 2 Ha3BaHue noBarono... C Cnaboe Bbl... BblgeneHue CunbHoe B... CTporn 13MeHUTb CTHAN Bblenutb bypep 06MeHa WUpNOT A63au CTHAN | PeakTNpoBaHue Exercise for Homework 5 5.1. Encrypt the message STOP POLLUTION by translating the letters into numbers, applying the given encryption function, and then translating the numbers back into letters. a) f(p)=(p+4) mod 26 b) f(p)= (p+21) mod 26 c) f(p)=(17p+22) mod 26 5.2. Decrypt these messages that were encrypted using the Caesar cipher (k=3). a) EOXH MHDQV b) WHVW WRGDB c) HDW GLP VXP 5.3. The ciphertext OIKYWVHBX was produced by encrypting a plaintext message using the Vigenere cipher with key HOT. What is the plaintext message? 5.4. Encrypt the message GOOD using the RSA system with p = 13 and q=17, translating each letter into integers and grouping together pairs of integers. CTpaHuya: 1 3 1 4Ncno COB: 313 aHrnuncKIN (CLA) 1 100% - + W 0'C B OCH. 06/a4HO ~ 9 0 ENG 1:58 06.12.2021