71 lines
2.5 KiB
Java
71 lines
2.5 KiB
Java
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.NetworkInterface;
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import java.net.SocketException;
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import java.security.NoSuchAlgorithmException;
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import java.util.Enumeration;
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import java.util.Random;
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public class staticPepperedSaltedHash {
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public static void main(String[] args) throws IOException {
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BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
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System.out.println("Enter a string to hash, salt and pepper:");
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String input = reader.readLine();
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try {
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String salt = bytetohex.toHexString(saltedHash.getSalt());
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while (salt.charAt(0) == '0') {
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salt = salt.substring(1);
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}
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String pepper = getPepper();
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System.out.println("Pepper is: " + pepper);
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String saltedPeppered = input + salt + getPepper();
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System.out.println("Stored as:");
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String hashed = hash.hashstring(saltedPeppered);
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String hashedWSalt = hashed + "$" + salt;
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System.out.println(hashedWSalt);
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System.out.println("Enter a string to check: ");
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String check = reader.readLine();
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String checkSalted = check + hashedWSalt.split("\\$")[1];
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if (checkPeppered(checkSalted,hashed)){
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System.out.println("Match!");
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} else {
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System.out.println("No match!");
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}
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} catch (NoSuchAlgorithmException e) {
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System.out.println(e.toString());
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}
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}
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public static boolean checkPeppered(String check,String hashed) throws NoSuchAlgorithmException, SocketException {
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boolean match = false;
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String pepperedCheck = check + getPepper();
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String hashedCheck = hash.hashstring(pepperedCheck);
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if (hashedCheck.equals(hashed)) match = true;
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return match;
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}
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public static String getPepper() throws SocketException {
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Enumeration<NetworkInterface> nis = NetworkInterface.getNetworkInterfaces();
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StringBuilder pepper = new StringBuilder();
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while (nis.hasMoreElements()) {
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NetworkInterface ni = nis.nextElement();
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byte[] mac = ni.getHardwareAddress();
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if (mac != null) {
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for (int i = 0; i < mac.length; i++) {
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pepper.append(String.format("%02X", mac[i]));
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}
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}
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}
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return pepper.toString();
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}
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}
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