1--TEST--
2Test mcrypt_cbc() 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_cbc(int cipher, string key, string data, int mode, string iv)
12 * Description: CBC 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_cbc() : basic functionality ***\n";
18
19
20$cipher = MCRYPT_TRIPLEDES;
21$data = b"This is the secret message which must be encrypted";
22$mode = MCRYPT_DECRYPT;
23
24// tripledes uses keys with exactly 192 bits (24 bytes)
25$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   // data represented in base64 (ascii)
44$data2 = array(
45   '+G7nGcWIxij3TZjpI9lJdQ==',
46   '3bJiFMeyScxOLQcE6mZtLg==',
47   '+G7nGcWIxij3TZjpI9lJdQ=='
48);
49
50$iv = b'12345678';
51echo "\n--- testing different key lengths\n";
52for ($i = 0; $i < sizeof($keys); $i++) {
53   echo "\nkey length=".strlen($keys[$i])."\n";
54   special_var_dump(mcrypt_cbc($cipher, $keys[$i], base64_decode($data1[$i]), $mode, $iv));
55}
56
57$key = b'123456789012345678901234';
58echo "\n--- testing different iv lengths\n";
59for ($i = 0; $i < sizeof($ivs); $i++) {
60   echo "\niv length=".strlen($ivs[$i])."\n";
61   special_var_dump(mcrypt_cbc($cipher, $key, base64_decode($data2[$i]), $mode, $ivs[$i]));
62}
63
64function special_var_dump($str) {
65   var_dump(bin2hex($str));
66}
67?>
68===DONE===
69--EXPECTF--
70*** Testing mcrypt_cbc() : basic functionality ***
71
72--- testing different key lengths
73
74key length=8
75
76Deprecated: Function mcrypt_cbc() is deprecated in %s on line %d
77
78Warning: mcrypt_cbc(): Key of size 8 not supported by this algorithm. Only keys of size 24 supported in %s on line %d
79string(0) ""
80
81key length=20
82
83Deprecated: Function mcrypt_cbc() is deprecated in %s on line %d
84
85Warning: mcrypt_cbc(): Key of size 20 not supported by this algorithm. Only keys of size 24 supported in %s on line %d
86string(0) ""
87
88key length=24
89
90Deprecated: Function mcrypt_cbc() is deprecated in %s on line %d
91string(32) "736563726574206d6573736167650000"
92
93key length=26
94
95Deprecated: Function mcrypt_cbc() is deprecated in %s on line %d
96
97Warning: mcrypt_cbc(): Key of size 26 not supported by this algorithm. Only keys of size 24 supported in %s on line %d
98string(0) ""
99
100--- testing different iv lengths
101
102iv length=4
103
104Deprecated: Function mcrypt_cbc() is deprecated in %s on line %d
105
106Warning: mcrypt_cbc(): Received initialization vector of size 4, but size 8 is required for this encryption mode in %s on line %d
107string(0) ""
108
109iv length=8
110
111Deprecated: Function mcrypt_cbc() is deprecated in %s on line %d
112string(32) "659ec947f4dc3a3b9c50de744598d3c8"
113
114iv length=9
115
116Deprecated: Function mcrypt_cbc() is deprecated in %s on line %d
117
118Warning: mcrypt_cbc(): Received initialization vector of size 9, but size 8 is required for this encryption mode in %s on line %d
119string(0) ""
120===DONE===
121