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@vishnukumarpv
Created November 24, 2016 11:25
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Encrypt and Decrypt with php
<?php
class Encrypt{
private function key( )
{
return $skey = "vishnu_kumar_aUlTIoQaBzk";
}
public function safe_b64encode($string) {
$data = base64_encode($string);
$data = str_replace(array('+','/','='),array('-','_',''),$data);
return $data;
}
public function safe_b64decode($string) {
$data = str_replace(array('-','_'),array('+','/'),$string);
$mod4 = strlen($data) % 4;
if ($mod4) {
$data .= substr('====', $mod4);
}
return base64_decode($data);
}
public function encode($value){
if(!$value){return false;}
$text = $value;
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
$crypttext = mcrypt_encrypt(MCRYPT_RIJNDAEL_256, Encrypt::key(), $text, MCRYPT_MODE_ECB, $iv);
return trim(Encrypt::safe_b64encode($crypttext));
}
public function decode($value){
if(!$value){return false;}
$crypttext = Encrypt::safe_b64decode($value);
$iv_size = mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = mcrypt_create_iv($iv_size, MCRYPT_RAND);
$decrypttext = mcrypt_decrypt(MCRYPT_RIJNDAEL_256, Encrypt::key(), $crypttext, MCRYPT_MODE_ECB, $iv);
return trim($decrypttext);
}
}
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