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It was because of the use of Base64 that the problem occurred when the token was sent through the Get method. For example: http://test/test.php?a=1+2 You use $_get["a" to obtain is: 1 2, namely that the plus sign is gone. At first I used UrlEncode to convert it, but there were always one or two results that were unexpected. Later think of Base64 characters are limited to: [a-za-z0-9\+\/=] So many, plus the problem, I will replace the plus sign without problems, underline is the best choice. Her

Pack them into a file and call it fun.php. Copy Code code as follows: function Passport_encrypt ($txt, $key) { Srand (Double) microtime () * 1000000); $encrypt _key = MD5 (rand (0, 32000)); $ctr = 0; $tmp = '; for ($i = 0; $i $ctr = $ctr = = strlen ($encrypt _key)? 0: $ctr; $tmp. = $encrypt _key[$

: Copy Code code as follows: Class Gencrypt extends Gsuperclass { protected static function keyed ($txt, $encrypt _key) { $encrypt _key = MD5 ($encrypt _key); $ctr = 0; $tmp = ""; for ($i =0; $i if ($ctr ==strlen ($encrypt _key)) $ctr = 0; $tmp. = substr ($txt, $i, 1) ^ substr ($encrypt _key, $ctr, 1

This article describes the encryption and decryption function in PHP and DES encryption and decryption application, share for everyone to reference. Specifically as follows: Examples, examples of PHP encryption decryption Cryptographic functions: Copy Code code as follows: /* * Function: Encrypt string to handle * Parameter one: Content that needs to be encrypted * Parameter two: key */ function Passport_encrypt ($STR, $key) {//cryptographic functions Srand (Double)

session_id, You can judge this submission as an external submission. How do I match an action to be performed? In the token, to the token of the action name into this token, so, in processing, the action to solve the comparison on the line. The Gtoken I wrote earlier could not reach the second one mentioned above, and I modified it today to add the function 2. Personal feeling is OK. Please see the code, feel where there is unreasonable place, please enlighten me! Thank you. Encryption I w

$key = "This is supposed to be a secret key!!!"; It's probably cloudy.$key = "This is a secret yin";function keyed ($txt, $encrypt _key){$encrypt _key = MD5 ($encrypt _key);$ctr = 0;$tmp = "";for ($i =0; $i {if ($ctr ==strlen ($encrypt _key)) $ctr = 0;$tmp. = substr ($txt, $i, 1) ^ substr ($encrypt _key, $ctr, 1);$

The code is as follows Copy Code Description: PHP write encryption function, support private key function keyed ($txt, $encrypt _key){$encrypt _key = MD5 ($encrypt _key);$ctr = 0;$tmp = "";for ($i =0; $i {if ($ctr ==strlen ($encrypt _key)) $ctr = 0;$tmp. = substr ($txt, $i, 1) ^ substr ($encrypt _key, $ctr