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 11error_reporting(E_ALL); 12 13/* Prototype : string mcrypt_ecb(int cipher, string key, string data, int mode, string iv) 14 * Description: ECB crypt/decrypt data using key key with cipher cipher starting with iv 15 * Source code: ext/mcrypt/mcrypt.c 16 * Alias to functions: 17 */ 18 19$cipher = MCRYPT_TRIPLEDES; 20$data = b"This is the secret message which must be encrypted"; 21 22// tripledes uses keys up to 192 bits (24 bytes) 23$keys = array( 24 b'12345678', 25 b'12345678901234567890', 26 b'123456789012345678901234', 27 b'12345678901234567890123456' 28); 29$data1 = array( 30 '0D4ArM3ejyhic9rnCcIW9A==', 31 'q0wt1YeOjLpnKm5WsrzKEw==', 32 'zwKEFeqHkhlj+7HZTRA/yA==', 33 'zwKEFeqHkhlj+7HZTRA/yA==' 34); 35// tripledes is a block cipher of 64 bits (8 bytes) 36$ivs = array( 37 b'1234', 38 b'12345678', 39 b'123456789' 40); 41$data2 = array( 42 '+G7nGcWIxigQcJD+2P14HA==', 43 '+G7nGcWIxigQcJD+2P14HA==', 44 '+G7nGcWIxigQcJD+2P14HA==' 45); 46 47$iv = b'12345678'; 48echo "\n--- testing different key lengths\n"; 49for ($i = 0; $i < sizeof($keys); $i++) { 50 echo "\nkey length=".strlen($keys[$i])."\n"; 51 special_var_dump(mcrypt_decrypt($cipher, $keys[$i], base64_decode($data1[$i]), MCRYPT_MODE_ECB, $iv)); 52} 53 54$key = b'123456789012345678901234'; 55echo "\n--- testing different iv lengths\n"; 56for ($i = 0; $i < sizeof($ivs); $i++) { 57 echo "\niv length=".strlen($ivs[$i])."\n"; 58 special_var_dump(mcrypt_decrypt($cipher, $key, base64_decode($data2[$i]), MCRYPT_MODE_ECB, $ivs[$i])); 59} 60 61function special_var_dump($str) { 62 var_dump(bin2hex($str)); 63} 64?> 65===DONE=== 66--EXPECTF-- 67--- testing different key lengths 68 69key length=8 70 71Warning: mcrypt_decrypt(): Key of size 8 not supported by this algorithm. Only keys of size 24 supported in %s on line %d 72string(0) "" 73 74key length=20 75 76Warning: mcrypt_decrypt(): Key of size 20 not supported by this algorithm. Only keys of size 24 supported in %s on line %d 77string(0) "" 78 79key length=24 80string(32) "736563726574206d6573736167650000" 81 82key length=26 83 84Warning: mcrypt_decrypt(): Key of size 26 not supported by this algorithm. Only keys of size 24 supported in %s on line %d 85string(0) "" 86 87--- testing different iv lengths 88 89iv length=4 90string(32) "a9298896ed1b7335f8f10f7ff6d7a239" 91 92iv length=8 93string(32) "a9298896ed1b7335f8f10f7ff6d7a239" 94 95iv length=9 96string(32) "a9298896ed1b7335f8f10f7ff6d7a239" 97===DONE=== 98