note 76401 modified in function.crypt by joey
| From: | joey@php.net | Date: | Sat, 19 May 2012 20:40:04 +0000 |
| Subject: | note 76401 modified in function.crypt by joey | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-188081@lists.php.net to get a copy of this message | ||
Two siple functions for encrypting and decrypting with RIJNDAEL
256 function
RIJNDAEL_encrypt($text){ 	$iv_size =
mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB); $iv =
mcrypt_create_iv($iv_size, MCRYPT_RAND); $key = "This is a very secret
key"; return base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key,
$text, MCRYPT_MODE_ECB, $iv));
} function
RIJNDAEL_decrypt($text){ 	$iv_size =
mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB); $iv =
mcrypt_create_iv($iv_size, MCRYPT_RAND); $key = "This is a very secret
key"; //I used trim to remove trailing spaces return
trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, base64_decode($text), MCRYPT_MODE_ECB,
$iv));
} //example echo
RIJNDAEL_decrypt(RIJNDAEL_encrypt('Her name was lola!'));
--was--
Two siple functions for encrypting and decrypting with RIJNDAEL 256
function RIJNDAEL_encrypt($text){
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
$key = "This is a very secret key";
return base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $text, MCRYPT_MODE_ECB, $iv));
}
function RIJNDAEL_decrypt($text){
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
$key = "This is a very secret key";
//I used trim to remove trailing spaces
return trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, base64_decode($text), MCRYPT_MODE_ECB, $iv));
}
//example
echo RIJNDAEL_decrypt(RIJNDAEL_encrypt('Her name was lola!'));
http://php.net/manual/en/function.crypt.php