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102 lines
2.5 KiB
PHP
102 lines
2.5 KiB
PHP
--TEST--
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Test mcrypt_decrypt() 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_decrypt(string cipher, string key, string data, string mode, string iv)
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* Description: OFB 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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echo "*** Testing mcrypt_decrypt() : basic functionality ***\n";
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// Initialise all required variables
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$cipher = MCRYPT_3DES;
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$mode = MCRYPT_MODE_CBC;
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// tripledes uses keys upto 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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$ivs = array(
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b'1234',
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b'12345678',
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b'123456789'
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);
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$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]), $mode, $iv));
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}
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$key = b'1234567890123456';
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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]), $mode, $ivs[$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 mcrypt_decrypt() : basic functionality ***
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--- testing different key lengths
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key length=8
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string(32) "736563726574206d6573736167650000"
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key length=20
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string(32) "736563726574206d6573736167650000"
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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(): Size of key is too large for this algorithm in %s on line %d
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string(32) "736563726574206d6573736167650000"
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--- testing different iv lengths
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iv length=4
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Warning: mcrypt_decrypt(): The IV parameter must be as long as the blocksize in %s on line %d
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string(32) "736563726574206d6573736167650000"
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iv length=8
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string(32) "736563726574206d6573736167650000"
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iv length=9
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Warning: mcrypt_decrypt(): The IV parameter must be as long as the blocksize in %s on line %d
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string(32) "736563726574206d6573736167650000"
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===DONE===
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