| 0,0 → 1,51 |
|---|
| package ak.hostadmiral.util; |
| |
| import java.security.MessageDigest; |
| import java.security.NoSuchAlgorithmException; |
| |
| public class Digest |
| { |
| /** |
| * digest to encode passwords |
| */ |
| protected static MessageDigest digest = null; |
| |
| private static final char[] hexDigits = { |
| '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' |
| }; |
| |
| public static String encode(String password) |
| { |
| return bytesToHex(digest.digest(password.getBytes())); |
| } |
| |
| /** |
| * converts password bytes to hex string |
| */ |
| protected static String bytesToHex(byte[] bytes) |
| { |
| char[] buffer = new char[bytes.length * 2]; |
| |
| for (int i = 0; i < bytes.length; i++) { |
| int low = (int)( bytes[i] & 0x0f); |
| int high = (int)((bytes[i] & 0xf0) >> 4); |
| |
| buffer[i * 2] = hexDigits[high]; |
| buffer[i * 2 + 1] = hexDigits[low]; |
| } |
| |
| return new String(buffer); |
| } |
| |
| /** |
| * digest initialization |
| */ |
| static { |
| try { |
| digest = MessageDigest.getInstance("MD5"); |
| } |
| catch(NoSuchAlgorithmException ex) { |
| ex.printStackTrace(); |
| } |
| } |
| } |