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Annotation of embedaddon/php/ext/mcrypt/tests/mcrypt_decrypt_3des_ecb.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_ECB;
        !            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:    '0D4ArM3ejyhic9rnCcIW9A==',
        !            33:    'q0wt1YeOjLpnKm5WsrzKEw==',
        !            34:    'zwKEFeqHkhlj+7HZTRA/yA==',
        !            35:    'zwKEFeqHkhlj+7HZTRA/yA=='
        !            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: $data2 = array(
        !            44:    '+G7nGcWIxigQcJD+2P14HA==',
        !            45:    '+G7nGcWIxigQcJD+2P14HA==',
        !            46:    '+G7nGcWIxigQcJD+2P14HA=='
        !            47: );
        !            48: 
        !            49: echo "\n--- testing different key lengths\n";
        !            50: for ($i = 0; $i < sizeof($keys); $i++) {
        !            51:    echo "\nkey length=".strlen($keys[$i])."\n";
        !            52:    special_var_dump(mcrypt_decrypt($cipher, $keys[$i], base64_decode($data1[$i]), $mode));
        !            53: }
        !            54: 
        !            55: $key = b'1234567890123456';  
        !            56: echo "\n--- testing different iv lengths\n";
        !            57: for ($i = 0; $i < sizeof($ivs); $i++) {
        !            58:    echo "\niv length=".strlen($ivs[$i])."\n";
        !            59:    special_var_dump(mcrypt_decrypt($cipher, $key, base64_decode($data2[$i]), $mode, $ivs[$i]));
        !            60: }
        !            61: 
        !            62: function special_var_dump($str) {
        !            63:    var_dump(bin2hex($str));
        !            64: }  
        !            65: ?>
        !            66: ===DONE===
        !            67: --EXPECTF--
        !            68: *** Testing mcrypt_decrypt() : basic functionality ***
        !            69: 
        !            70: --- testing different key lengths
        !            71: 
        !            72: key length=8
        !            73: string(32) "736563726574206d6573736167650000"
        !            74: 
        !            75: key length=20
        !            76: string(32) "736563726574206d6573736167650000"
        !            77: 
        !            78: key length=24
        !            79: string(32) "736563726574206d6573736167650000"
        !            80: 
        !            81: key length=26
        !            82: 
        !            83: Warning: mcrypt_decrypt(): Size of key is too large for this algorithm in %s on line %d
        !            84: string(32) "736563726574206d6573736167650000"
        !            85: 
        !            86: --- testing different iv lengths
        !            87: 
        !            88: iv length=4
        !            89: string(32) "736563726574206d6573736167650000"
        !            90: 
        !            91: iv length=8
        !            92: string(32) "736563726574206d6573736167650000"
        !            93: 
        !            94: iv length=9
        !            95: string(32) "736563726574206d6573736167650000"
        !            96: ===DONE===