56 lines
1.8 KiB
Java
56 lines
1.8 KiB
Java
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.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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public class saltedHash {
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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 and salt: ");
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String input = reader.readLine();
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try {
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String salt = bytetohex.toHexString(getSalt());
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// Remove starting 0s
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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 salted = input + salt;
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System.out.println("Stored as:");
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String hashed = hash.hashstring(salted);
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String stored = hashed + "$"+salt;
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System.out.println(stored);
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System.out.println("Enter a string to check: ");
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String check = reader.readLine();
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// Split stored by the colon
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String[] parts = stored.split("\\$");
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// Salt the checked
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String saltedCheck = check + parts[1];
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// Hash the salted checked
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String hashedCheck = hash.hashstring(saltedCheck);
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// Compare the hashed salted checked to the stored hash
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if (hashedCheck.equals(parts[0])) {
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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 byte[] getSalt() throws NoSuchAlgorithmException {
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SecureRandom random = new SecureRandom();
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byte[] salt = new byte[16];
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random.nextBytes(salt);
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return salt;
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}
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}
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