function _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

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;
}

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