/**
* Generates a secret key for given hash function, returns RAW key or false
* if function is not supported
*
* @param string $func hash function (sha1 or sha256)
* @return mixed
*/
protected function _genSecret($func)
{
if ($func == 'sha1') {
$macLen = 20;
/* 160 bit */
} elseif ($func == 'sha256') {
$macLen = 32;
/* 256 bit */
} else {
return false;
}
return OpenId::randomBytes($macLen);
}
/**
* testing testRedirect
*
*/
public function testRandomBytes()
{
$this->assertSame('', OpenId::randomBytes(0));
$x = OpenId::randomBytes(1);
$this->assertTrue(is_string($x));
$this->assertSame(1, strlen($x));
$x = OpenId::randomBytes(1024);
$this->assertTrue(is_string($x));
$this->assertSame(1024, strlen($x));
}
