← All changes | inc/libraries/php-crypto.php +54 -54 4.3.8 → 4.4.8 View file →

		@@ -1,55 +1,55 @@
1		-<?php
2		-/**
3		- * Helper library for CryptoJS AES encryption/decryption
4		- * Allow you to use AES encryption on client side and server side vice versa
5		- *
6		- * @author BrainFooLong (bfldev.com)
7		- * @link https://github.com/brainfoolong/cryptojs-aes-php
8		- */
9		-/**
10		- * Decrypt data from a CryptoJS json encoding string
11		- *
12		- * @param mixed $passphrase
13		- * @param mixed $jsonString
14		- * @return mixed
15		- */
16		-function cryptoJsAesDecrypt($passphrase, $jsonString){
17		- $jsondata = json_decode($jsonString, true);
18		- try {
19		- $salt = hex2bin($jsondata["s"]);
20		- $iv = hex2bin($jsondata["iv"]);
21		- } catch(Exception $e) { return null; }
22		- $ct = base64_decode($jsondata["ct"]);
23		- $concatedPassphrase = $passphrase.$salt;
24		- $md5 = array();
25		- $md5[0] = md5($concatedPassphrase, true);
26		- $result = $md5[0];
27		- for ($i = 1; $i < 3; $i++) {
28		- $md5[$i] = md5($md5[$i - 1].$concatedPassphrase, true);
29		- $result .= $md5[$i];
30		- }
31		- $key = substr($result, 0, 32);
32		- $data = openssl_decrypt($ct, 'aes-256-cbc', $key, true, $iv);
33		- return json_decode($data, true);
34		-}
35		-/**
36		- * Encrypt value to a cryptojs compatiable json encoding string
37		- *
38		- * @param mixed $passphrase
39		- * @param mixed $value
40		- * @return string
41		- */
42		-function cryptoJsAesEncrypt($passphrase, $value){
43		- $salt = openssl_random_pseudo_bytes(8);
44		- $salted = '';
45		- $dx = '';
46		- while (strlen($salted) < 48) {
47		- $dx = md5($dx.$passphrase.$salt, true);
48		- $salted .= $dx;
49		- }
50		- $key = substr($salted, 0, 32);
51		- $iv = substr($salted, 32,16);
52		- $encrypted_data = openssl_encrypt(json_encode($value), 'aes-256-cbc', $key, true, $iv);
53		- $data = array("ct" => base64_encode($encrypted_data), "iv" => bin2hex($iv), "s" => bin2hex($salt));
54		- return json_encode($data);
	1	+<?php
	2	+/**
	3	+ * Helper library for CryptoJS AES encryption/decryption
	4	+ * Allow you to use AES encryption on client side and server side vice versa
	5	+ *
	6	+ * @author BrainFooLong (bfldev.com)
	7	+ * @link https://github.com/brainfoolong/cryptojs-aes-php
	8	+ */
	9	+/**
	10	+ * Decrypt data from a CryptoJS json encoding string
	11	+ *
	12	+ * @param mixed $passphrase
	13	+ * @param mixed $jsonString
	14	+ * @return mixed
	15	+ */
	16	+function cryptoJsAesDecrypt($passphrase, $jsonString){
	17	+ $jsondata = json_decode($jsonString, true);
	18	+ try {
	19	+ $salt = hex2bin($jsondata["s"]);
	20	+ $iv = hex2bin($jsondata["iv"]);
	21	+ } catch(Exception $e) { return null; }
	22	+ $ct = base64_decode($jsondata["ct"]);
	23	+ $concatedPassphrase = $passphrase.$salt;
	24	+ $md5 = array();
	25	+ $md5[0] = md5($concatedPassphrase, true);
	26	+ $result = $md5[0];
	27	+ for ($i = 1; $i < 3; $i++) {
	28	+ $md5[$i] = md5($md5[$i - 1].$concatedPassphrase, true);
	29	+ $result .= $md5[$i];
	30	+ }
	31	+ $key = substr($result, 0, 32);
	32	+ $data = openssl_decrypt($ct, 'aes-256-cbc', $key, true, $iv);
	33	+ return json_decode($data, true);
	34	+}
	35	+/**
	36	+ * Encrypt value to a cryptojs compatiable json encoding string
	37	+ *
	38	+ * @param mixed $passphrase
	39	+ * @param mixed $value
	40	+ * @return string
	41	+ */
	42	+function cryptoJsAesEncrypt($passphrase, $value){
	43	+ $salt = openssl_random_pseudo_bytes(8);
	44	+ $salted = '';
	45	+ $dx = '';
	46	+ while (strlen($salted) < 48) {
	47	+ $dx = md5($dx.$passphrase.$salt, true);
	48	+ $salted .= $dx;
	49	+ }
	50	+ $key = substr($salted, 0, 32);
	51	+ $iv = substr($salted, 32,16);
	52	+ $encrypted_data = openssl_encrypt(json_encode($value), 'aes-256-cbc', $key, true, $iv);
	53	+ $data = array("ct" => base64_encode($encrypted_data), "iv" => bin2hex($iv), "s" => bin2hex($salt));
	54	+ return json_encode($data);
55	55	}