gs gs122 Cryptography - Vigenère Cipher - Quiz No.1
gs gs122 Data Communication and Computer Network Quiz
This quiz belongs to book/course code gs gs122 Data Communication and Computer Network of gs organization. We have 268 quizzes available related to the book/course Data Communication and Computer Network. This quiz has a total of 10 multiple choice questions (MCQs) to prepare and belongs to topic Cryptography. NVAEducation wants its users to help them learn in an easy way. For that purpose, you are free to prepare online MCQs and quizzes.
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public class Cipher { public static String encrypt(String text, final String key) { String res = ""; text = text.toUpperCase(); for (int i = 0, j = 0; i < text.length(); i++) { char c = text.charAt(i); if (c < 'A' || c > 'Z') continue; res += (char) ((c + key.charAt(j) - 2 * 'A') % 26 + 'A'); j = ++j % key.length(); } return res; } Online Quizzes of gs122 Data Communication and Computer Network
