PHP Jose\KeyConverter RSAKey::getModulusLength Examples

getModulusLength() public method

public getModulusLength ( ) : integer
return	integer

Example #1

File: RSA.php Project: spomky-labs/jose

 /**
  * Verifies a signature.
  *
  * @param \Jose\KeyConverter\RSAKey $key
  * @param string                    $message
  * @param string                    $signature
  * @param string                    $hash
  *
  * @return bool
  */
 public static function verify(RSAKey $key, $message, $signature, $hash)
 {
     Assertion::string($message);
     Assertion::string($signature);
     Assertion::string($hash);
     Assertion::inArray($hash, ['sha256', 'sha384', 'sha512']);
     Assertion::eq(strlen($signature), $key->getModulusLength());
     $modBits = 8 * $key->getModulusLength();
     $s2 = self::convertOctetStringToInteger($signature);
     $m2 = self::getRSAVP1($key, $s2);
     Assertion::isInstanceOf($m2, BigInteger::class);
     $em = self::convertIntegerToOctetString($m2, $modBits >> 3);
     return self::verifyEMSAPSS($message, $em, $modBits - 1, Hash::$hash());
 }