javaMD5Octal_LAB.java

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

class HelloWorld {
    public static void main(String[] args) {
        String xOctals = "\\151\\152\\153\\226";

        System.out.println(xOctals); 
        
        String[] xOctalsArr = xOctals.split("\\\\");
         
        StringBuilder convertedOctals = new StringBuilder();
        for (int i = 1; i < xOctalsArr.length; i++) {
            String octal = xOctalsArr[i];
            convertedOctals.append((char) Integer.parseInt(octal, 8));
        }
        
        String pass = convertedOctals.toString();
        
        byte[] bytesPass = new byte[pass.length()];
        for (int i = 0; i < pass.length(); i++) {
            bytesPass[i] = (byte) pass.charAt(i);
        }
        System.out.println(md5Binery(bytesPass)); 
    }

public static String md5Binery(final byte[] s) {
    final String MD5 = "MD5";
    try {
        // Create MD5 Hash
        MessageDigest digest = java.security.MessageDigest
                .getInstance(MD5);
        digest.update(s);
        byte messageDigest[] = digest.digest();

        // Create Hex String
        StringBuilder hexString = new StringBuilder();
        for (byte aMessageDigest : messageDigest) {
            String h = Integer.toHexString(0xFF & aMessageDigest);
            while (h.length() < 2)
                h = "0" + h;
            hexString.append(h);
        }
        return hexString.toString();

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return "";
}
}