programming-examples/java/Numerical_Problems/Implementation of MD5 Algorithm in Java.java
2019-11-15 12:59:38 +01:00

26 lines
987 B
Java

import java.math.BigInteger;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
public class JavaMD5Hash {
public static void main(String[] args) {
System.out.println("For null " + md5(""));
System.out.println("For simple text "+ md5("This is my text"));
System.out.println("For simple numbers " + md5("12345"));
}
public static String md5(String input) {
String md5 = null;
if(null == input) return null;
try {
//Create MessageDigest object for MD5
MessageDigest digest = MessageDigest.getInstance("MD5");
//Update input string in message digest
digest.update(input.getBytes(), 0, input.length());
//Converts message digest value in base 16 (hex)
md5 = new BigInteger(1, digest.digest()).toString(16);
}
catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return md5;
}
}