-
-
/**
- * php des加密与解密
- * by http://bbs.it-home.org
- */
- function do_mencrypt($input, $key)
- {
- $input = str_replace(""n", "", $input);
- $input = str_replace(""t", "", $input);
- $input = str_replace(""r", "", $input);
- $key = substr(md5($key), 0, 24);
- $td = mcrypt_module_open('tripledes', '', 'ecb', '');
- $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
- mcrypt_generic_init($td, $key, $iv);
- $encrypted_data = mcrypt_generic($td, $input);
- mcrypt_generic_deinit($td);
- mcrypt_module_close($td);
- return trim(chop(base64_encode($encrypted_data)));
- }
//$input - stuff to decrypt
- //$key - the secret key to use
- function do_mdecrypt($input, $key)
- {
- $input = str_replace(""n", "", $input);
- $input = str_replace(""t", "", $input);
- $input = str_replace(""r", "", $input);
- $input = trim(chop(base64_decode($input)));
- $td = mcrypt_module_open('tripledes', '', 'ecb', '');
- $key = substr(md5($key), 0, 24);
- $iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
- mcrypt_generic_init($td, $key, $iv);
- $decrypted_data = mdecrypt_generic($td, $input);
- mcrypt_generic_deinit($td);
- mcrypt_module_close($td);
- return trim(chop($decrypted_data));
- }
- ?>
-
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