1--TEST--
2Test mcrypt_decrypt() function : basic functionality
3--SKIPIF--
4<?php
5if (!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
17echo "*** 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
49echo "\n--- testing different key lengths\n";
50for ($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';
56echo "\n--- testing different iv lengths\n";
57for ($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
62function 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
72key length=8
73string(32) "736563726574206d6573736167650000"
74
75key length=20
76string(32) "736563726574206d6573736167650000"
77
78key length=24
79string(32) "736563726574206d6573736167650000"
80
81key length=26
82
83Warning: mcrypt_decrypt(): Size of key is too large for this algorithm in %s on line %d
84string(32) "736563726574206d6573736167650000"
85
86--- testing different iv lengths
87
88iv length=4
89string(32) "736563726574206d6573736167650000"
90
91iv length=8
92string(32) "736563726574206d6573736167650000"
93
94iv length=9
95string(32) "736563726574206d6573736167650000"
96===DONE===
97