/**
* @param username ...
* @param pw ...
* @return ...
*/
public boolean authenticate(String username, String pw) {
if (this.file.exists() && (this.file.lastModified() > this.lastRead)) {
readFile();
} else if (!this.file.exists() && (this.users.size() > 0)) {
this.users.clear();
}
String realpw = this.users.getProperty(username);
if (realpw != null) {
try {
// check if password matches
// first we try with unix crypt algorithm
String cryptpw = Crypt.crypt(realpw, pw);
if (realpw.equals(cryptpw)) {
return true;
}
// then try MD5
if (realpw.equals(DigestUtils.md5(pw))) {
return true;
}
} catch (Exception x) {
return false;
}
} else {
if (this.parentFile != null) {
return this.parentFile.authenticate(username, pw);
}
}
return false;
}
public static void main(String[] argv) throws Exception {
byte[] salt = new byte[5];
SecretKeySpec skeySpec =
new SecretKeySpec(Crypt.getRawKey("my secret", "salt".getBytes()), "AES");
Cipher encryptCipher = Cipher.getInstance("AES");
encryptCipher.init(Cipher.ENCRYPT_MODE, skeySpec);
Cipher decryptCipher = Cipher.getInstance("AES");
decryptCipher.init(Cipher.DECRYPT_MODE, skeySpec);
testEncryptDecrypt(encryptCipher, decryptCipher, "foo", 5, Integer.MIN_VALUE);
testEncryptDecrypt(encryptCipher, decryptCipher, "foo", Integer.MIN_VALUE, Integer.MIN_VALUE);
testEncryptDecrypt(encryptCipher, decryptCipher, "foo", Integer.MAX_VALUE, Integer.MIN_VALUE);
testEncryptDecrypt(encryptCipher, decryptCipher, "foo", -1, -1);
testEncryptDecrypt(encryptCipher, decryptCipher, "foo", -1, Integer.MAX_VALUE);
System.out.println("repeat!");
testEncryptDecrypt(encryptCipher, decryptCipher, "foo", 5, Integer.MIN_VALUE);
testEncryptDecrypt(encryptCipher, decryptCipher, "foo", Integer.MIN_VALUE, Integer.MIN_VALUE);
testEncryptDecrypt(encryptCipher, decryptCipher, "foo", Integer.MAX_VALUE, Integer.MIN_VALUE);
testEncryptDecrypt(encryptCipher, decryptCipher, "foo", -1, -1);
testEncryptDecrypt(encryptCipher, decryptCipher, "foo", -1, Integer.MAX_VALUE);
System.out.println("longs");
testEncryptDecryptLong(encryptCipher, decryptCipher, "foo", 5, Long.MIN_VALUE);
testEncryptDecryptLong(encryptCipher, decryptCipher, "foo", Long.MIN_VALUE, Long.MIN_VALUE);
testEncryptDecryptLong(encryptCipher, decryptCipher, "foo", Long.MAX_VALUE, Long.MIN_VALUE);
testEncryptDecryptLong(encryptCipher, decryptCipher, "foo", -1, -1);
testEncryptDecryptLong(encryptCipher, decryptCipher, "foo", -1, Long.MAX_VALUE);
System.out.println("repeat!");
testEncryptDecryptLong(encryptCipher, decryptCipher, "foo", 5, Long.MIN_VALUE);
testEncryptDecryptLong(encryptCipher, decryptCipher, "foo", Long.MIN_VALUE, Long.MIN_VALUE);
testEncryptDecryptLong(encryptCipher, decryptCipher, "foo", Long.MAX_VALUE, Long.MIN_VALUE);
testEncryptDecryptLong(encryptCipher, decryptCipher, "foo", -1, -1);
testEncryptDecryptLong(encryptCipher, decryptCipher, "foo", -1, Long.MAX_VALUE);
}