Encrypt and decrypt string

Encrypt and decrypt string

This task use php to encrypt and decrypt string.

Encrypt and decrypt string using RIJNDAEL_256

1. Create crypto.php as following
2. Call encrypt and decrypt method as following

call methods

---

$key = uniqid();
$src = "Hello world!";

require_once('crypto.php');
$cp = new crypto();
$tag1 = $cp->encrypt($src, $key);
$tag2 = $cp->decrypt($tag1, $key);
print($src . "<br />" . $tag1 . "<br />" . $tag2);
    

formattedraw

1	$key = uniqid();
2	$src = "Hello world!";
3
4	require_once('crypto.php');
5	$cp = new crypto();
6	$tag1 = $cp->encrypt($src, $key);
7	$tag2 = $cp->decrypt($tag1, $key);
8	print($src . "<br />" . $tag1 . "<br />" . $tag2);

$key = uniqid();
$src = "Hello world!";

require_once('crypto.php');
$cp = new crypto();
$tag1 = $cp->encrypt($src, $key);
$tag2 = $cp->decrypt($tag1, $key);
print($src . "<br />" . $tag1 . "<br />" . $tag2);

crypto.php

---

<?php

class crypto {

    public function encrypt($text, $key) { 
        $src = uniqid() . $text;
        $tag = trim(base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $src, MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND)))); 
        return $tag;
    } 

    public function decrypt($text, $key) { 
        $src = $text;
        $tag = trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, base64_decode($src), MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND))); 
        $tag = substr($tag, 13);
        return $tag;
    } 

}

?>
    

formattedraw

1	<?php
2
3	class crypto {
4
5	public function encrypt($text, $key) {
6	$src = uniqid() . $text;
7	$tag = trim(base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $src, MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND))));
8	return $tag;
9	}
10
11	public function decrypt($text, $key) {
12	$src = $text;
13	$tag = trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, base64_decode($src), MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND)));
14	$tag = substr($tag, 13);
15	return $tag;
16	}
17
18	}
19
20	?>

<?php

class crypto {

    public function encrypt($text, $key) { 
        $src = uniqid() . $text;
        $tag = trim(base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_256, $key, $src, MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND)))); 
        return $tag;
    } 

    public function decrypt($text, $key) { 
        $src = $text;
        $tag = trim(mcrypt_decrypt(MCRYPT_RIJNDAEL_256, $key, base64_decode($src), MCRYPT_MODE_ECB, mcrypt_create_iv(mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB), MCRYPT_RAND))); 
        $tag = substr($tag, 13);
        return $tag;
    } 

}

?>

PHP