<?php
/**
* function to encrypt
* @param string $data
* @param string $key
*/
function encrypt($data,$key)
{ $iv = openssl_random_pseudo_bytes(openssl_cipher_iv_length('aes-256-cbc')); $encrypted=openssl_encrypt($data, "aes-256-cbc", $key, 0, $iv);
// return the encrypted string with $iv joined
return base64_encode($encrypted."::".$iv);
}
/**
* function to decrypt
* @param string $data
* @param string $key
*/
function decrypt($data,$key)
{ list($encrypted_data, $iv) = explode('::', base64_decode($data), 2); return openssl_decrypt($encrypted_data, 'aes-256-cbc', $key, 0, $iv);
}
$key="1235@";
$string="la casa azul";
$encryptado=encrypt($string,$key);
echo $encryptado;
echo "<hr>";
echo decrypt($encryptado,$key);
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