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<?php
/**
* Tests for the Diffie-Hellman key exchange implementation in the
* OpenID library.
*
* PHP versions 4 and 5
*
* LICENSE: See the COPYING file included in this distribution.
*
* @package OpenID
* @author JanRain, Inc. <openid@janrain.com>
* @copyright 2005-2008 Janrain, Inc.
* @license http://www.apache.org/licenses/LICENSE-2.0 Apache
*/
require_once 'Auth/OpenID/DiffieHellman.php';
require_once 'Tests/Auth/OpenID/TestUtil.php';
class Tests_Auth_OpenID_DiffieHellman_CheckCases extends PHPUnit_Framework_TestCase {
function Tests_Auth_OpenID_DiffieHellman_CheckCases($cases, $n)
{
$this->cases = $cases;
$this->n = $n;
}
function runTest()
{
$this->assertEquals($this->n, count($this->cases));
}
}
class Tests_Auth_OpenID_DiffieHellman_Private extends PHPUnit_Framework_TestCase {
function Tests_Auth_OpenID_DiffieHellman_Private($name, $input, $expected)
{
$this->setName("$name");
$this->input = $input;
$this->expected = $expected;
}
function runTest()
{
$lib =& Auth_OpenID_getMathLib();
$dh = new Auth_OpenID_DiffieHellman(null, null, $this->input);
$this->assertEquals($lib->cmp($this->expected, $dh->getPublicKey()), 0);
}
}
class Tests_Auth_OpenID_DiffieHellman_Exch extends PHPUnit_Framework_TestCase {
function Tests_Auth_OpenID_DiffieHellman_Exch($name, $p1, $p2, $shared)
{
$this->setName("$name");
$this->p1 = $p1;
$this->p2 = $p2;
$this->shared = $shared;
}
function runTest()
{
$lib = Auth_OpenID_getMathLib();
$shared = $lib->init($this->shared);
$dh1 = new Auth_OpenID_DiffieHellman(null, null, $this->p1);
$dh2 = new Auth_OpenID_DiffieHellman(null, null, $this->p2);
$sh1 = $dh1->getSharedSecret($dh2->getPublicKey());
$sh2 = $dh2->getSharedSecret($dh1->getPublicKey());
$this->assertEquals($lib->cmp($shared, $sh1), 0);
$this->assertEquals($lib->cmp($shared, $sh2), 0);
}
}
class Tests_Auth_OpenID_DiffieHellman extends PHPUnit_Framework_TestSuite {
function _readPrivateTestCases()
{
$lines = Tests_Auth_OpenID_readlines('dhpriv');
$cases = array();
foreach ($lines as $line) {
$case = array();
if (!preg_match('/^(\d+) (\d+)\n$/', $line, $case)) {
trigger_error("Bad test input: $line", E_USER_ERROR);
}
$c = count($case);
if ($c != 3) {
trigger_error("Wrong number of elements in parsed case: $c",
E_USER_ERROR);
}
array_shift($case);
$cases[] = $case;
}
return $cases;
}
function _readExchTestCases()
{
$lines = Tests_Auth_OpenID_readlines('dhexch');
$cases = array();
foreach ($lines as $line) {
$case = array();
if (!preg_match('/^(\d+) (\d+) (\d+)\n$/', $line, $case)) {
trigger_error("Bad test input: $line", E_USER_ERROR);
}
$c = count($case);
if ($c != 4) {
trigger_error("Wrong number of elements in parsed case: $c",
E_USER_ERROR);
}
array_shift($case);
$cases[] = $case;
}
return $cases;
}
function Tests_Auth_OpenID_DiffieHellman($name)
{
$this->setName($name);
$priv_cases = Tests_Auth_OpenID_DiffieHellman::_readPrivateTestCases();
$sanity = new Tests_Auth_OpenID_DiffieHellman_CheckCases(
$priv_cases, 29);
$sanity->setName('Check parsing of priv test data');
$this->addTest($sanity);
$exch_cases = Tests_Auth_OpenID_DiffieHellman::_readExchTestCases();
$sanity = new Tests_Auth_OpenID_DiffieHellman_CheckCases(
$exch_cases, 25);
$sanity->setName('Check parsing of exch test data');
$this->addTest($sanity);
if (!defined('Auth_OpenID_NO_MATH_SUPPORT')) {
if (defined('Tests_Auth_OpenID_thorough')) {
$npriv = count($priv_cases);
$nexch = count($exch_cases);
} else {
$npriv = 1;
$nexch = 3;
}
for ($i = 0; $i < $npriv; $i++) {
list($input, $expected) = $priv_cases[$i];
$one = new Tests_Auth_OpenID_DiffieHellman_Private(
"DHPriv $i", $input, $expected);
$this->addTest($one);
}
for ($i = 0; $i < $nexch; $i++) {
$case = $exch_cases[$i];
$one = new Tests_Auth_OpenID_DiffieHellman_Exch(
$i, $case[0], $case[1], $case[2]);
$this->addTest($one);
}
}
}
}
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