/**
* Creates the LM Hash of the user's password.
*
* @param password The password.
* @return The LM Hash of the given password
*/
public static String lmHash(final String password) throws Exception {
final byte[] oemPassword = password.toUpperCase().getBytes("US-ASCII");
final int length = Math.min(oemPassword.length, 14);
final byte[] keyBytes = new byte[14];
System.arraycopy(oemPassword, 0, keyBytes, 0, length);
final Key lowKey = SMBHash.createDESKey(keyBytes, 0);
final Key highKey = SMBHash.createDESKey(keyBytes, 7);
final byte[] magicConstant = "KGS!@#$%".getBytes("US-ASCII");
final Cipher des = Cipher.getInstance("DES/ECB/NoPadding");
des.init(Cipher.ENCRYPT_MODE, lowKey);
final byte[] lowHash = des.doFinal(magicConstant);
des.init(Cipher.ENCRYPT_MODE, highKey);
final byte[] highHash = des.doFinal(magicConstant);
final byte[] lmHash = new byte[16];
System.arraycopy(lowHash, 0, lmHash, 0, 8);
System.arraycopy(highHash, 0, lmHash, 8, 8);
return SMBHash.toHexString(lmHash);
}
/**
* Creates the NTLM Hash of the user's password.
*
* @param password The password.
* @return The NTLM Hash of the given password.
*/
public static String ntlmHash(final String password) throws Exception {
final byte[] unicodePassword = password.getBytes("UnicodeLittleUnmarked");
final MessageDigest md4 = MessageDigest.getInstance("MD4");
return SMBHash.toHexString(md4.digest(unicodePassword));
}
