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<?php | |
function decrypt($data) { | |
if (is_array($data)) { | |
foreach ($data as $key => $value) { | |
$data[$key] = $this->decrypt($value); | |
} | |
return $data; | |
} | |
if (empty($data) || USE_ENCRYPTION == false) { | |
return $data; | |
} | |
$cipher = mcrypt_module_open(MCRYPT_BLOWFISH, '', MCRYPT_MODE_CBC, ''); | |
$key = substr('mykey', 0, mcrypt_enc_get_key_size($cipher)); | |
$iv = '00000000'; | |
// 128-bit Blowfish encryption: | |
if (mcrypt_generic_init($cipher, $key, $iv) != - 1) { | |
// PHP pads with NULL bytes if $cleartext IS NOT a multiple of the block size .. | |
$data = base64_decode($data); | |
if (empty($data)) { | |
return ''; | |
} | |
$cleartext = mdecrypt_generic($cipher, $data); | |
mcrypt_generic_deinit($cipher); | |
} | |
// Remove the padding. | |
$pad = ord(substr($cleartext, strlen($cleartext) - 1)); | |
if ($pad > 0 & $pad <= 8) { | |
$cleartext = substr($cleartext, 0, strlen($cleartext) - $pad); | |
} | |
return urldecode($cleartext); | |
} | |
function encrypt($cleartext) { | |
if (is_array($cleartext)) { | |
foreach ($cleartext as $key => $value) { | |
$cleartext[$key] = $this->encrypt($value); | |
} | |
return $cleartext; | |
} | |
if (empty($cleartext) || USE_ENCRYPTION == false) { | |
return $cleartext; | |
} | |
$cipher = mcrypt_module_open(MCRYPT_BLOWFISH, '', MCRYPT_MODE_CBC, ''); | |
$key = substr('mykey', 0, mcrypt_enc_get_key_size($cipher)); | |
$iv = '00000000'; | |
// add the padding. | |
$cleartext_length = strlen($cleartext) % 8; | |
for ($i = $cleartext_length; $i < 8; $i++) { | |
$cleartext .= chr(8 - $cleartext_length); | |
} | |
$ciphertext = ''; | |
// 128-bit Blowfish encryption: | |
if (mcrypt_generic_init($cipher, $key, $iv) != - 1) { | |
// PHP pads with NULL bytes if $cleartext IS NOT a multiple of the block size .. | |
if (empty($cleartext)) { | |
return ''; | |
} | |
$ciphertext = mcrypt_generic($cipher, $cleartext); | |
mcrypt_generic_deinit($cipher); | |
} | |
return base64_encode($ciphertext); | |
} | |
echo encrypt('thevalue'); // wTHzxfxLHdMm/JMFnoh0hciS/JADvFFg | |
?> |
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