DiffieHellmanTest.php 8.2 KB

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  1. <?php
  2. require_once 'Zend/Crypt/DiffieHellman.php';
  3. require_once 'PHPUnit/Framework/TestCase.php';
  4. class Zend_Crypt_DiffieHellmanTest extends PHPUnit_Framework_TestCase
  5. {
  6. public function testDiffieWithSpec()
  7. {
  8. $aliceOptions = array(
  9. 'prime'=>'563',
  10. 'generator'=>'5',
  11. 'private'=>'9'
  12. );
  13. $bobOptions = array(
  14. 'prime'=>'563',
  15. 'generator'=>'5',
  16. 'private'=>'14'
  17. );
  18. Zend_Crypt_DiffieHellman::$useOpenssl = false;
  19. $alice = new Zend_Crypt_DiffieHellman($aliceOptions['prime'], $aliceOptions['generator'], $aliceOptions['private']);
  20. $bob = new Zend_Crypt_DiffieHellman($bobOptions['prime'], $bobOptions['generator'], $bobOptions['private']);
  21. $alice->generateKeys();
  22. $bob->generateKeys();
  23. $this->assertEquals('78', $alice->getPublicKey());
  24. $this->assertEquals('534', $bob->getPublicKey());
  25. $aliceSecretKey = $alice->computeSecretKey($bob->getPublicKey());
  26. $bobSecretKey = $bob->computeSecretKey($alice->getPublicKey());
  27. // both Alice and Bob should now have the same secret key
  28. $this->assertEquals('117', $aliceSecretKey);
  29. $this->assertEquals('117', $bobSecretKey);
  30. }
  31. public function testDiffieWithBinaryFormsAndLargeIntegers()
  32. {
  33. $aliceOptions = array(
  34. 'prime' => '155172898181473697471232257763715539915724801966915404479707795314057629378541917580651227423698188993727816152646631438561595825688188889951272158842675419950341258706556549803580104870537681476726513255747040765857479291291572334510643245094715007229621094194349783925984760375594985848253359305585439638443',
  35. 'generator'=>'2',
  36. 'private' => '99209314066572595236408569591967988557141249561494267486251808035535396332278620143536317681312712891672623072630995180324388841681491857745515696789091127409515009250358965816666146342049838178521379132153348139908016819196219448310107072632515749339055798122538615135104828702523796951800575031871051678091'
  37. );
  38. $bobOptions = array(
  39. 'prime' => '155172898181473697471232257763715539915724801966915404479707795314057629378541917580651227423698188993727816152646631438561595825688188889951272158842675419950341258706556549803580104870537681476726513255747040765857479291291572334510643245094715007229621094194349783925984760375594985848253359305585439638443',
  40. 'generator'=>'2',
  41. 'private' => '33411735792639558625733635717892563612548180650402161151077478314841463707948899786103588912325634730410551946772752880177868972816963551821740386700076034213408153924692562543117963464733156600545484510833072427003474207064650714831083304497737160382097083356876078146231616972608703322302585471319261275664'
  42. );
  43. Zend_Crypt_DiffieHellman::$useOpenssl = false;
  44. $alice = new Zend_Crypt_DiffieHellman($aliceOptions['prime'], $aliceOptions['generator'], $aliceOptions['private']);
  45. $bob = new Zend_Crypt_DiffieHellman($bobOptions['prime'], $bobOptions['generator'], $bobOptions['private']);
  46. $alice->generateKeys();
  47. $bob->generateKeys();
  48. //0DmJUe9dr02pAtVoGyLHdC+rfBU3mDCelKGPXRDFHofx6mFfN2gcZCmp/ab4ezDXfpIBOatpVdbn2fTNUGo64DtKE2WGTsZCl90RgrGUv8XW/4WDPXeE7g5u7KWHBG/LCE5+XsilE5P5/GIyqr9gsiudTmk+H/hiYZl9Smar9k0=
  49. $this->assertEquals('ANA5iVHvXa9NqQLVaBsix3Qvq3wVN5gwnpShj10QxR6H8ephXzdoHGQpqf2m+Hsw136SATmraVXW59n0zVBqOuA7ShNlhk7GQpfdEYKxlL/F1v+Fgz13hO4ObuylhwRvywhOfl7IpROT+fxiMqq/YLIrnU5pPh/4YmGZfUpmq/ZN', base64_encode($alice->getPublicKey(Zend_Crypt_DiffieHellman::BINARY)));
  50. //v8puCBaHdch0stxmkyS/sZvZHyB5f0AVkopAQ5wKSZIyEHHcGn7DXXH2u4WdCL+kMr8BcRpxRBJ0TDwfZPpu53nFNEjUd81WlfaKk95e4a/DC4dhlfBkQMebleobhedQPFAo7F9SkHN7uTLa/glxG+3T9DTb+ikcOVPoH3A1G6g=
  51. $this->assertEquals('AL/KbggWh3XIdLLcZpMkv7Gb2R8geX9AFZKKQEOcCkmSMhBx3Bp+w11x9ruFnQi/pDK/AXEacUQSdEw8H2T6bud5xTRI1HfNVpX2ipPeXuGvwwuHYZXwZEDHm5XqG4XnUDxQKOxfUpBze7ky2v4JcRvt0/Q02/opHDlT6B9wNRuo', base64_encode($bob->getPublicKey(Zend_Crypt_DiffieHellman::BINARY)));
  52. $aliceSecretKey = $alice->computeSecretKey($bob->getPublicKey(Zend_Crypt_DiffieHellman::BINARY), Zend_Crypt_DiffieHellman::BINARY, Zend_Crypt_DiffieHellman::BINARY);
  53. $bobSecretKey = $bob->computeSecretKey($alice->getPublicKey(Zend_Crypt_DiffieHellman::BINARY), Zend_Crypt_DiffieHellman::BINARY, Zend_Crypt_DiffieHellman::BINARY);
  54. // both Alice and Bob should now have the same secret key
  55. $expectedSharedSecret = base64_decode('FAAkw7NN1+raX9K1+dR3nqX2LZcDYYuZH13lpasaDIM4/ZXqbzdgiHZ86SILN27BjmJObtNQG/SNHfhxMalLMtLv+v0JFte/6+pIvMG9tAoPFsVh2BAvBuNpLY5W5gusgQ2p4pvJK0wz9YJ8iFdOHEOnhzYuN7LS/YXx2rBOz0Q=');
  56. $this->assertEquals($expectedSharedSecret, $aliceSecretKey);
  57. $this->assertEquals($expectedSharedSecret, $bobSecretKey);
  58. }
  59. public function testDiffieWithBinaryFormsAndLargeIntegers_OpensslTest()
  60. {
  61. // skip this test if openssl DH support is not available
  62. if (!function_exists('openssl_dh_compute_key')) {
  63. $this->markTestSkipped(
  64. 'An openssl extension with Diffie-Hellman support is not available.'
  65. );
  66. }
  67. $aliceOptions = array(
  68. 'prime' => '155172898181473697471232257763715539915724801966915404479707795314057629378541917580651227423698188993727816152646631438561595825688188889951272158842675419950341258706556549803580104870537681476726513255747040765857479291291572334510643245094715007229621094194349783925984760375594985848253359305585439638443',
  69. 'generator'=>'2',
  70. 'private' => '99209314066572595236408569591967988557141249561494267486251808035535396332278620143536317681312712891672623072630995180324388841681491857745515696789091127409515009250358965816666146342049838178521379132153348139908016819196219448310107072632515749339055798122538615135104828702523796951800575031871051678091'
  71. );
  72. $bobOptions = array(
  73. 'prime' => '155172898181473697471232257763715539915724801966915404479707795314057629378541917580651227423698188993727816152646631438561595825688188889951272158842675419950341258706556549803580104870537681476726513255747040765857479291291572334510643245094715007229621094194349783925984760375594985848253359305585439638443',
  74. 'generator'=>'2',
  75. 'private' => '33411735792639558625733635717892563612548180650402161151077478314841463707948899786103588912325634730410551946772752880177868972816963551821740386700076034213408153924692562543117963464733156600545484510833072427003474207064650714831083304497737160382097083356876078146231616972608703322302585471319261275664'
  76. );
  77. $alice = new Zend_Crypt_DiffieHellman($aliceOptions['prime'], $aliceOptions['generator'], $aliceOptions['private']);
  78. $bob = new Zend_Crypt_DiffieHellman($bobOptions['prime'], $bobOptions['generator'], $bobOptions['private']);
  79. $alice->generateKeys();
  80. $bob->generateKeys();
  81. $this->assertEquals('ANA5iVHvXa9NqQLVaBsix3Qvq3wVN5gwnpShj10QxR6H8ephXzdoHGQpqf2m+Hsw136SATmraVXW59n0zVBqOuA7ShNlhk7GQpfdEYKxlL/F1v+Fgz13hO4ObuylhwRvywhOfl7IpROT+fxiMqq/YLIrnU5pPh/4YmGZfUpmq/ZN', base64_encode($alice->getPublicKey(Zend_Crypt_DiffieHellman::BINARY)));
  82. $this->assertEquals('AL/KbggWh3XIdLLcZpMkv7Gb2R8geX9AFZKKQEOcCkmSMhBx3Bp+w11x9ruFnQi/pDK/AXEacUQSdEw8H2T6bud5xTRI1HfNVpX2ipPeXuGvwwuHYZXwZEDHm5XqG4XnUDxQKOxfUpBze7ky2v4JcRvt0/Q02/opHDlT6B9wNRuo', base64_encode($bob->getPublicKey(Zend_Crypt_DiffieHellman::BINARY)));
  83. $aliceSecretKey = $alice->computeSecretKey($bob->getPublicKey(Zend_Crypt_DiffieHellman::BINARY), Zend_Crypt_DiffieHellman::BINARY, Zend_Crypt_DiffieHellman::BINARY);
  84. $bobSecretKey = $bob->computeSecretKey($alice->getPublicKey(Zend_Crypt_DiffieHellman::BINARY), Zend_Crypt_DiffieHellman::BINARY, Zend_Crypt_DiffieHellman::BINARY);
  85. // both Alice and Bob should now have the same secret key
  86. $expectedSharedSecret = base64_decode('FAAkw7NN1+raX9K1+dR3nqX2LZcDYYuZH13lpasaDIM4/ZXqbzdgiHZ86SILN27BjmJObtNQG/SNHfhxMalLMtLv+v0JFte/6+pIvMG9tAoPFsVh2BAvBuNpLY5W5gusgQ2p4pvJK0wz9YJ8iFdOHEOnhzYuN7LS/YXx2rBOz0Q=');
  87. $this->assertEquals($expectedSharedSecret, $aliceSecretKey);
  88. $this->assertEquals($expectedSharedSecret, $bobSecretKey);
  89. }
  90. }