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1package com.stefanovskyi.password;
2
3import org.apache.commons.codec.binary.Hex;
4
5import javax.crypto.SecretKey;
6import javax.crypto.SecretKeyFactory;
7import javax.crypto.spec.PBEKeySpec;
8
9public class HashingPasswordUtil {
10    private static final int ITERATIONS = 10000;
11    private static final int KEY_LENGTH = 512;
12    private static final String SALT = "saltKey";
13
14    public String convertStringToHash(String password) {
15        return Hex.encodeHexString(hashPassword(password.toCharArray()));
16    }
17
18    private byte[] hashPassword(final char[] password) {
19        SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA512");
20        PBEKeySpec spec = new PBEKeySpec(password, SALT.getBytes(), ITERATIONS, KEY_LENGTH);
21        SecretKey key = secretKeyFactory.generateSecret(spec);
22
23        return key.getEncoded();
24    }
25}