Annotation of embedaddon/php/ext/mcrypt/tests/mcrypt_decrypt_3des_cbc.phpt, revision 1.1
1.1 ! misho 1: --TEST--
! 2: Test mcrypt_decrypt() function : basic functionality
! 3: --SKIPIF--
! 4: <?php
! 5: if (!extension_loaded("mcrypt")) {
! 6: print "skip - mcrypt extension not loaded";
! 7: }
! 8: ?>
! 9: --FILE--
! 10: <?php
! 11: /* Prototype : string mcrypt_decrypt(string cipher, string key, string data, string mode, string iv)
! 12: * Description: OFB crypt/decrypt data using key key with cipher cipher starting with iv
! 13: * Source code: ext/mcrypt/mcrypt.c
! 14: * Alias to functions:
! 15: */
! 16:
! 17: echo "*** Testing mcrypt_decrypt() : basic functionality ***\n";
! 18:
! 19:
! 20: // Initialise all required variables
! 21: $cipher = MCRYPT_3DES;
! 22: $mode = MCRYPT_MODE_CBC;
! 23:
! 24: // tripledes uses keys upto 192 bits (24 bytes)
! 25: $keys = array(
! 26: b'12345678',
! 27: b'12345678901234567890',
! 28: b'123456789012345678901234',
! 29: b'12345678901234567890123456'
! 30: );
! 31: $data1 = array(
! 32: 'IleMhoxiOthmHua4tFBHOw==',
! 33: 'EeF1s6C+w1IiHj1gdDn81g==',
! 34: 'EEuXpjZPueyYoG0LGQ199Q==',
! 35: 'EEuXpjZPueyYoG0LGQ199Q=='
! 36: );
! 37: // tripledes is a block cipher of 64 bits (8 bytes)
! 38: $ivs = array(
! 39: b'1234',
! 40: b'12345678',
! 41: b'123456789'
! 42: );
! 43: $data2 = array(
! 44: '+G7nGcWIxij3TZjpI9lJdQ==',
! 45: '3bJiFMeyScxOLQcE6mZtLg==',
! 46: '+G7nGcWIxij3TZjpI9lJdQ=='
! 47: );
! 48:
! 49: $iv = b'12345678';
! 50: echo "\n--- testing different key lengths\n";
! 51: for ($i = 0; $i < sizeof($keys); $i++) {
! 52: echo "\nkey length=".strlen($keys[$i])."\n";
! 53: special_var_dump(mcrypt_decrypt($cipher, $keys[$i], base64_decode($data1[$i]), $mode, $iv));
! 54: }
! 55:
! 56: $key = b'1234567890123456';
! 57: echo "\n--- testing different iv lengths\n";
! 58: for ($i = 0; $i < sizeof($ivs); $i++) {
! 59: echo "\niv length=".strlen($ivs[$i])."\n";
! 60: special_var_dump(mcrypt_decrypt($cipher, $key, base64_decode($data2[$i]), $mode, $ivs[$i]));
! 61: }
! 62:
! 63: function special_var_dump($str) {
! 64: var_dump(bin2hex($str));
! 65: }
! 66: ?>
! 67: ===DONE===
! 68: --EXPECTF--
! 69: *** Testing mcrypt_decrypt() : basic functionality ***
! 70:
! 71: --- testing different key lengths
! 72:
! 73: key length=8
! 74: string(32) "736563726574206d6573736167650000"
! 75:
! 76: key length=20
! 77: string(32) "736563726574206d6573736167650000"
! 78:
! 79: key length=24
! 80: string(32) "736563726574206d6573736167650000"
! 81:
! 82: key length=26
! 83:
! 84: Warning: mcrypt_decrypt(): Size of key is too large for this algorithm in %s on line %d
! 85: string(32) "736563726574206d6573736167650000"
! 86:
! 87: --- testing different iv lengths
! 88:
! 89: iv length=4
! 90:
! 91: Warning: mcrypt_decrypt(): The IV parameter must be as long as the blocksize in %s on line %d
! 92: string(32) "736563726574206d6573736167650000"
! 93:
! 94: iv length=8
! 95: string(32) "736563726574206d6573736167650000"
! 96:
! 97: iv length=9
! 98:
! 99: Warning: mcrypt_decrypt(): The IV parameter must be as long as the blocksize in %s on line %d
! 100: string(32) "736563726574206d6573736167650000"
! 101: ===DONE===
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