<?php
function simple_encrypt($text, $salt = "earlysandwich.com")
{
return trim(base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $salt, $text, MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND))));
}
// This function will be used to decrypt data.
function simple_decrypt($text, $salt = "earlysandwich.com")
{
return trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $salt, base64_decode($text), MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND)));
}
// Encrypt a tring and echo it
$encoded = simple_encrypt("Arwani Wawau" , "secured");
echo "This is encoded string: $encoded \n";
// Now to decode the encoded text
$decoded = simple_decrypt($encoded , "secured");
echo "This is decoded string: $decoded \n";
Fatal error: Uncaught Error: Call to undefined function mcrypt_encrypt() in /in/j5tvs:5
Stack trace:
#0 /in/j5tvs(14): simple_encrypt('Arwani Wawau', 'secured')
#1 {main}
thrown in /in/j5tvs on line 5
Process exited with code 255.
Output for 5.6.8 - 5.6.20, 7.0.0 - 7.0.5
Warning: mcrypt_encrypt(): Key of size 7 not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported in /in/j5tvs on line 5
This is encoded string:
Warning: mcrypt_decrypt(): Key of size 7 not supported by this algorithm. Only keys of sizes 16, 24 or 32 supported in /in/j5tvs on line 10
This is decoded string: