/**
* Tests the conversion of a hexadecimal string into a signed integer.
*
* @dataProvider hexToSignedIntProvider
* @covers hexToSignedInt
*
* @param string $hex a hexadecimal string
* @param int $res the resulting signed integer
*/
public function testHexToSignedInt($hex, $res)
{
$this->assertSame($res, Math::hexToSignedInt($hex));
}
/**
* Provides test data for the hash calculation test.
*
* @return array the test data
*/
public function calculateHMACProvider()
{
$res = array();
$res[] = array(Math::hexToString('4869205468657265'), Math::hexToString('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b'), 'b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7');
$res[] = array(Math::hexToString('7768617420646f2079612077616e7420666f72206e6f7468696e673f'), Math::hexToString('4a656665'), '5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843');
return $res;
}
public function calculatePasswordHash($password, $iterations, $hmacKey)
{
// Calculate salt
$salt = Math::getRandomHexString(static::BCRYPT_SALT_LENGTH);
$salt = $this->buildCryptSalt($salt, $iterations);
// Calculate bcrypt
$hash = crypt($password, $salt);
// Build return string
$args = base64_encode($hash) . self::SEGMENT_SEPARATOR . base64_encode($salt);
$hmac = $this->calculateHMAC($args, $hmacKey);
return $args . self::SEGMENT_SEPARATOR . base64_encode($hmac);
}
public function buildCryptSalt($salt, $iterations)
{
return '$6$rounds=' . Math::clip($iterations, 1000, 999999999) . '$' . $salt;
}
/**
* Provides test data for the hash calculation test.
*
* @return array the test data
*/
public function calculateHMACProvider()
{
$res = array();
$res[] = array(Math::hexToString(''), Math::hexToString(''), '74e6f7298a9c2d168935f58c001bad88');
$res[] = array('The quick brown fox jumps over the lazy dog', 'key', '80070713463e7749b90c2dc24911e275');
return $res;
}
/**
* Tests creating the key.
*
* @covers empire\framework\crypto\symmetric\cyphers\Aes256SymmetricCypher::createKey
*/
public function testCreateKey()
{
$this->assertTrue((bool) preg_match('#^[A-F0-9]{32}$#', Math::stringToHex($this->cypher->createKey())));
}
/**
* Returns a session ID.
*
* @return string the session ID
*/
private function createSID()
{
return Math::getRandomHexString(64);
}
public function createKey()
{
return pack('H*', Math::getRandomHexString($this->getKeySize()));
}
/**
* Decodes a GID string and outputs the results as array.
*
* @param string $gid the GID to parse
* @return array boolean array with indices <code>type</code>, <code>crc32Name</code>,
* <code>localID</code> and <code>uniqueID</code> for the GID type, CRC32 of name (hexadecimal),
* local ID and unique ID or <code>false</code> if the GID string is malformed
*/
public function decode($gid)
{
if (!preg_match('#^[0-9a-f]{32}$#', $gid)) {
return false;
}
$res = array();
$res['type'] = (int) hexdec($gid[0]);
$res['crc32Name'] = ltrim(substr($gid, 1, 8), '0');
if (empty($res['crc32Name'])) {
$res['crc32Name'] = '0';
}
$res['localID'] = Math::hexToSignedInt(ltrim(substr($gid, 9, 8), '0'));
$res['uniqueID'] = ltrim(substr($gid, 17, 13), '0');
return $res;
}
/**
* Provides test data for the hash calculation test.
*
* @return array the test data
*/
public function calculateHMACProvider()
{
$res = array();
$res[] = array(Math::hexToString('4869205468657265'), Math::hexToString('0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b'), '87aa7cdea5ef619d4ff0b4241a1d6cb02379f4e2ce4ec2787ad0b30545e17cdedaa833b7d6b8a702038b274eaea3f4e4be9d914eeb61f1702e696c203a126854');
$res[] = array(Math::hexToString('7768617420646f2079612077616e7420666f72206e6f7468696e673f'), Math::hexToString('4a656665'), '164b7a7bfcf819e2e395fbe73b56e0a387bd64222e831fd610270cd7ea2505549758bf75c05a994a6d034f65f8f0e6fdcaeab1a34d4a6b4b636e070a38bce737');
return $res;
}