| commit | author | age | ||
| fc54b8 | 1 | /* |
| U | 2 | * To change this license header, choose License Headers in Project Properties. |
| 3 | * To change this template file, choose Tools | Templates | |
| 4 | * and open the template in the editor. | |
| 5 | */ | |
| 6 | package de.uhilger.httpserver.auth.realm; | |
| 7 | ||
| 8 | import java.nio.charset.StandardCharsets; | |
| 9 | import java.security.MessageDigest; | |
| 10 | import java.security.NoSuchAlgorithmException; | |
| 11 | ||
| 12 | /** | |
| 13 | * | |
| 14 | * @author ulrich | |
| 15 | */ | |
| 16 | public class Encoder { | |
| 17 | ||
| 18 | private static final byte[] HEX_ARRAY = "0123456789ABCDEF".getBytes(StandardCharsets.US_ASCII); | |
| 19 | ||
| 20 | public byte[] encode(String password) throws NoSuchAlgorithmException { | |
| 21 | MessageDigest md = MessageDigest.getInstance("SHA-256"); | |
| 22 | return md.digest(password.getBytes()); | |
| 23 | } | |
| 24 | ||
| 25 | public String bytesToHex(byte[] bytes) { | |
| 26 | byte[] hexChars = new byte[bytes.length * 2]; | |
| 27 | for (int j = 0; j < bytes.length; j++) { | |
| 28 | int v = bytes[j] & 0xFF; | |
| 29 | hexChars[j * 2] = HEX_ARRAY[v >>> 4]; | |
| 30 | hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F]; | |
| 31 | } | |
| 32 | return new String(hexChars, StandardCharsets.UTF_8); | |
| 33 | } | |
| 34 | } | |
