public static function Create($action, $expire = UL_NONCE_EXPIRE, $persistent = false)
{
$code = ulUtils::RandomBytes(16, true);
$hashed_code = hash(UL_HMAC_FUNC, $code);
if ($persistent === true) {
self::StorePersistent($action, $hashed_code, $expire);
} else {
self::StoreVolatile($action, $hashed_code, $expire);
}
return $code;
}
function generate_keys()
{
for ($i = 0; $i < 10; ++$i) {
$key = ulUtils::RandomBytes(42, true);
echo "{$key}<br>";
}
}
public static function Hash($password, $salt = '')
{
if (ulUtils::BeginsWith($salt, '{SSHA}')) {
$salt = substr($salt, 6);
if ($salt == '') {
$salt = ulUtils::RandomBytes(24, true);
}
return '{SSHA}' . base64_encode(pack('H*', sha1($password . $salt)) . $salt);
} else {
if (ulUtils::BeginsWith($salt, '{SHA}')) {
return '{SHA}' . base64_encode(pack('H*', sha1($password)));
} else {
if (ulUtils::BeginsWith($salt, '{SMD5}')) {
$salt = substr($salt, 6);
if ($salt == '') {
$salt = ulUtils::RandomBytes(24, true);
}
return '{SMD5}' . base64_encode(pack('H*', md5($password . $salt)) . $salt);
} else {
if (ulUtils::BeginsWith($salt, '{MD5}')) {
return '{MD5}' . base64_encode(pack('H*', md5($password)));
} else {
if (ulUtils::BeginsWith($salt, '{CRYPT}')) {
$salt = substr($salt, 7);
if ($salt == '') {
$salt = self::BCryptSalt();
}
// We must not preprocess here to stay compatible with other applications
return '{CRYPT}' . crypt($password, $salt);
} else {
if (ulUtils::BeginsWith($salt, '{PBKDF2}')) {
$hash_bytes = 96;
$hash_algo = UL_HMAC_FUNC;
$hash_rounds = pow(2, UL_PWD_ROUNDS);
$salt = substr($salt, 8);
if ($salt == '') {
$salt = ulUtils::RandomBytes(16, true);
} else {
$parts = explode(':', $salt);
$hash_algo = $parts[0];
$hash_rounds = $parts[1];
$salt = $parts[2];
}
// We must not preprocess here to stay compatible with other applications
return '{PBKDF2}' . $hash_algo . ':' . $hash_rounds . ':' . $salt . ':' . base64_encode(pbkdf2($hash_algo, $password, $salt, $hash_rounds, $hash_bytes, true));
} else {
// For compatibility with older versions, an empty string is the same as '{BCRYPT}'
if (ulUtils::BeginsWith($salt, '{BCRYPT}')) {
$salt = substr($salt, 8);
}
if ($salt == '') {
$salt = self::BCryptSalt();
}
return crypt(self::PreProcess($password), $salt);
}
}
}
}
}
}
}
