Get MD5 from byte array - Android java.security

Android examples for java.security:MD5

  1. HOME
  2. Android
  3. java.security
  4. MD5

Description

Get MD5 from byte array

Demo Code

public class Main{
    public static String getMD5(byte[] source) {
        String s = null;/*from   w  w  w  .j ava  2 s  .c o  m*/
        char hexDigits[] = { 
        '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c',
                'd', 'e', 'f' };
        try {
            java.security.MessageDigest md = java.security.MessageDigest
                    .getInstance("MD5");
            md.update(source);
            byte tmp[] = md.digest(); 
          
            char str[] = new char[16 * 2]; 
          
            int k = 0; 
            for (int i = 0; i < 16; i++) { 
                byte byte0 = tmp[i];
                str[k++] = hexDigits[byte0 >>> 4 & 0xf];
               
                str[k++] = hexDigits[byte0 & 0xf]; 
            }
            s = new String(str);

        } catch (Exception e) {
            e.printStackTrace();
        }
        return s;
    }

}

Related Tutorials