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hi guys my name is Ahmed Im computer engineer today Ill show you how to increase the plain text by visual method and I assume you that you know everything about me here but just the purpose of my video is to show you a very simple way to encrypt the plain text without you writing these 26 by 26 square of letters I will use just one array of letters lets see what method the method I used I just use 27 index of letters that starts from 0 and 226 and Ill put Ill just write the letters of English normally but I put you have to all you need to put Z at the beginning of the letters and under the 0 and our plaintext is to be honored to be thats the question and the key is relations we will repeat until the end of the Tradex so lets calculate or in ciphertext first which is what our letter is T T is in the inventory is tuning so right penny of course our is in the order of our in the Alpha English alphabet is 18 so plus 18 minus one equals itself if it is bigger than 26 which is the nu
