1--TEST--
2Test mcrypt_encrypt() function : TripleDES 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_encrypt(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_encrypt() : TripleDES functionality ***\n";
18
19//test CBC, ECB modes
20//test encrypt decrypt
21//test tripledes, aes
22//test different lengths of key, iv
23//test no iv being passed on CBC, ECB
24//test upto 32 bytes with unlimited strength
25
26$cipher = MCRYPT_TRIPLEDES;
27$mode = MCRYPT_MODE_CBC;
28$data = b'This is the secret message which must be encrypted';
29
30// tripledes uses keys upto 192 bits (24 bytes)
31$keys = array(
32   b'12345678',
33   b'12345678901234567890',
34   b'123456789012345678901234',
35   b'12345678901234567890123456'
36);
37// tripledes is a block cipher of 64 bits (8 bytes)
38$ivs = array(
39   b'1234',
40   b'12345678',
41   b'123456789'
42);
43
44
45$iv = b'12345678';
46echo "\n--- testing different key lengths\n";
47foreach ($keys as $key) {
48   echo "\nkey length=".strlen($key)."\n";
49   var_dump(bin2hex(mcrypt_encrypt($cipher, $key, $data, $mode, $iv)));
50}
51
52$key = b'1234567890123456';
53echo "\n--- testing different iv lengths\n";
54foreach ($ivs as $iv) {
55   echo "\niv length=".strlen($iv)."\n";
56   var_dump(bin2hex(mcrypt_encrypt($cipher, $key, $data, $mode, $iv)));
57}
58
59?>
60===DONE===
61--EXPECTF--
62*** Testing mcrypt_encrypt() : TripleDES functionality ***
63
64--- testing different key lengths
65
66key length=8
67string(112) "082b437d039d09418e20dc9de1dafa7ed6da5c6335b78950968441da1faf40c1f886e04da8ca177b80b376811e138c1bf51cb48dae2e7939"
68
69key length=20
70string(112) "0627351e0f8a082bf7981ae2c700a43fd3d44b270ac67b00fded1c5796eea935be0fef2a23da0b3f5e243929e62ac957bf0bf463aa90fc4f"
71
72key length=24
73string(112) "b85e21072239d60c63a80e7c9ae493cb741a1cd407e52f451c5f43a0d103f55a7b62617eb2e44213c2d44462d388bc0b8f119384b12c84ac"
74
75key length=26
76
77Warning: mcrypt_encrypt(): Size of key is too large for this algorithm in %s on line %d
78string(112) "b85e21072239d60c63a80e7c9ae493cb741a1cd407e52f451c5f43a0d103f55a7b62617eb2e44213c2d44462d388bc0b8f119384b12c84ac"
79
80--- testing different iv lengths
81
82iv length=4
83
84Warning: mcrypt_encrypt(): The IV parameter must be as long as the blocksize in %s on line %d
85string(112) "440a6f54601969b127aad3c217ce7583c7f7b29989693130645569301db0020b29a34a3dcd104b2d0e3ba19d6cbd8a33d352b9c27cc34ef1"
86
87iv length=8
88string(112) "bac347506bf092c5557c4363c301745d78f047028e2953e84fd66b30aeb6005812dadbe8baa871b83278341599b0c448ddaaa52b5a378ce5"
89
90iv length=9
91
92Warning: mcrypt_encrypt(): The IV parameter must be as long as the blocksize in %s on line %d
93string(112) "440a6f54601969b127aad3c217ce7583c7f7b29989693130645569301db0020b29a34a3dcd104b2d0e3ba19d6cbd8a33d352b9c27cc34ef1"
94===DONE===
95