generateHmac() public method

Generate a hash (HMAC) for a given string
public generateHmac ( string $string ) : string
$string string The string for which a hash should be generated
return string The hash of the string
 /**
  * @test
  */
 public function generatedHashReturnsAHashOf40Characters()
 {
     $hash = $this->hashService->generateHmac('asdf');
     $this->assertSame(40, strlen($hash));
 }