function _openid_dh_xorsecret in Drupal 7

Same name and namespace in other branches

1. 6 modules/openid/openid.inc \_openid_dh_xorsecret()

3 calls to _openid_dh_xorsecret()

OpenIDTestCase::testOpenidDhXorsecret in modules/openid/openid.test

Test _openid_dh_xorsecret().

openid_association in modules/openid/openid.module

Attempt to create a shared secret with the OpenID Provider.

_openid_test_endpoint_associate in modules/openid/tests/openid_test.module

OpenID endpoint; handle "associate" requests (see OpenID Authentication 2.0, section 8).

File

modules/openid/openid.inc, line 519

OpenID utility functions.

Code

function _openid_dh_xorsecret($shared, $secret) {
  $dh_shared_str = _openid_dh_long_to_binary($shared);
  $sha1_dh_shared = sha1($dh_shared_str, TRUE);
  $xsecret = "";
  for ($i = 0; $i < strlen($secret); $i++) {
    $xsecret .= chr(ord($secret[$i]) ^ ord($sha1_dh_shared[$i]));
  }
  return $xsecret;
}