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101 lines
2.7 KiB
PHP
101 lines
2.7 KiB
PHP
--TEST--
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Test mcrypt_cbc() function : basic functionality
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--SKIPIF--
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<?php
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if (!extension_loaded("mcrypt")) {
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print "skip - mcrypt extension not loaded";
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}
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?>
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--FILE--
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<?php
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/* Prototype : string mcrypt_cbc(int cipher, string key, string data, int mode, string iv)
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* Description: CBC crypt/decrypt data using key key with cipher cipher starting with iv
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* Source code: ext/mcrypt/mcrypt.c
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* Alias to functions:
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*/
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$cipher = MCRYPT_TRIPLEDES;
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$data = b"This is the secret message which must be encrypted";
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// tripledes uses keys with exactly 192 bits (24 bytes)
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$keys = array(
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b'12345678',
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b'12345678901234567890',
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b'123456789012345678901234',
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b'12345678901234567890123456'
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);
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$data1 = array(
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'IleMhoxiOthmHua4tFBHOw==',
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'EeF1s6C+w1IiHj1gdDn81g==',
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'EEuXpjZPueyYoG0LGQ199Q==',
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'EEuXpjZPueyYoG0LGQ199Q=='
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);
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// tripledes is a block cipher of 64 bits (8 bytes)
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$ivs = array(
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b'1234',
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b'12345678',
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b'123456789'
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);
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// data represented in base64 (ascii)
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$data2 = array(
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'+G7nGcWIxij3TZjpI9lJdQ==',
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'3bJiFMeyScxOLQcE6mZtLg==',
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'+G7nGcWIxij3TZjpI9lJdQ=='
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);
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$iv = b'12345678';
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echo "\n--- testing different key lengths\n";
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for ($i = 0; $i < sizeof($keys); $i++) {
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echo "\nkey length=".strlen($keys[$i])."\n";
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special_var_dump(mcrypt_decrypt($cipher, $keys[$i], base64_decode($data1[$i]), MCRYPT_MODE_CBC, $iv));
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}
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$key = b'123456789012345678901234';
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echo "\n--- testing different iv lengths\n";
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for ($i = 0; $i < sizeof($ivs); $i++) {
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echo "\niv length=".strlen($ivs[$i])."\n";
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special_var_dump(mcrypt_decrypt($cipher, $key, base64_decode($data2[$i]), MCRYPT_MODE_CBC, $ivs[$i]));
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}
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function special_var_dump($str) {
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var_dump(bin2hex($str));
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}
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?>
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===DONE===
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--EXPECTF--
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--- testing different key lengths
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key length=8
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Warning: mcrypt_decrypt(): Key of size 8 not supported by this algorithm. Only keys of size 24 supported in %s on line %d
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string(0) ""
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key length=20
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Warning: mcrypt_decrypt(): Key of size 20 not supported by this algorithm. Only keys of size 24 supported in %s on line %d
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string(0) ""
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key length=24
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string(32) "736563726574206d6573736167650000"
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key length=26
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Warning: mcrypt_decrypt(): Key of size 26 not supported by this algorithm. Only keys of size 24 supported in %s on line %d
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string(0) ""
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--- testing different iv lengths
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iv length=4
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Warning: mcrypt_decrypt(): Received initialization vector of size 4, but size 8 is required for this encryption mode in %s on line %d
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string(0) ""
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iv length=8
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string(32) "659ec947f4dc3a3b9c50de744598d3c8"
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iv length=9
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Warning: mcrypt_decrypt(): Received initialization vector of size 9, but size 8 is required for this encryption mode in %s on line %d
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string(0) ""
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===DONE===
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