JavaProgramming/HackerRank/FourtySix.java at main · Varadraj75/JavaProgramming · GitHub

31 lines (25 loc) · 1016 Bytes

package HackerRank;

import java.io.*;

import java.util.*;

import java.text.*;

import java.math.*;

import java.util.regex.*;

public class FourtySix {

public static void main(String[] args) {

/* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */

try {

Scanner sc = new Scanner(System.in);

String input = sc.nextLine();

// Using Reflection to get MessageDigest instance

Class<?> clazz = Class.forName("java.security.MessageDigest");

Object md = clazz.getMethod("getInstance", String.class).invoke(null, "SHA-256");

clazz.getMethod("update", byte[].class).invoke(md, input.getBytes());

byte[] digest = (byte[]) clazz.getMethod("digest").invoke(md);

for (byte b : digest) {

System.out.printf("%02x", b);

}

} catch (Exception e) {

e.printStackTrace();

}

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