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Update security.php

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Namhyeon Go 2019-02-26 15:23:21 +09:00 committed by GitHub
parent d2b871cb5a
commit e7ce41ddba
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1 changed files with 17 additions and 9 deletions
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26
system/security.php
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@ -233,7 +233,7 @@ if(!check_function_exists("get_hashed_text")) {
if(!check_function_exists("hash_algo_exists")) {
function hash_algo_exists($algo) {
$flag = false;
if(!check_function_exists("hash_algos")) {
if(check_function_exists("hash_algos")) {
$flag = in_array($algo, hash_algos());
}
return $flag;
@ -494,10 +494,12 @@ if(!check_function_exists("encapsulate_text")) {
$init_key = empty($key) ? $config['masterkey'] : $key;
$init_iv = empty($iv) ? $config['masteriv'] : $iv;
if(!check_function_exists("openssl_encrypt")) {
if(check_function_exists("openssl_encrypt")) {
$encrypted_text = @openssl_encrypt($init_text, $algo, $init_key, true, $init_iv);
} else {
$encrypted_text = xor_this($init_key, $init_text);
$encrypted_text = get_hashed_text(get_xor_text($init_key, $init_text), "base64", array(
"decode" => true,
));
}
if(!empty($encrypted_text)) {
@ -517,7 +519,9 @@ if(!check_function_exists("decapsulate_text")) {
$decrypted_text = "";
// initialize text
$init_text = get_hashed_text($text, "base64", array("decode" => true));
$init_text = get_hashed_text($text, "base64", array(
"decode" => true,
));
if($algo = "base64") {
$decapsulate_text = $init_text;
@ -528,11 +532,15 @@ if(!check_function_exists("decapsulate_text")) {
if(!check_function_exists("openssl_decrypt")) {
$decrypted_text = @openssl_decrypt($init_text, $algo, $init_key, true, $init_iv);
} else {
$decrypted_text = xor_this($init_key, $init_text);
$encrypted_text = get_hashed_text(get_xor_text($init_key, $init_text), "base64", array(
"decode" => true,
));
}
if(!empty($encrypted_text)) {
$decapsulate_text = get_hashed_text($decrypted_text, "base64", array("decode" => true));
$decapsulate_text = get_hashed_text($decrypted_text, "base64", array(
"decode" => true,
));
}
}
@ -554,8 +562,8 @@ if(!check_function_exists("make_safe_argument")) {
}
// https://stackoverflow.com/questions/14673551/encrypt-decrypt-with-xor-in-php
if(!check_function_exists("xor_this")) {
function xor_this($key, $string, $debug=false) {
if(!check_function_exists("get_xor_text")) {
function get_xor_text($key, $string, $debug=false) {
$text = $string;
$outText = "";
@ -569,7 +577,7 @@ if(!check_function_exists("xor_this")) {
}
}
return $outText;
return get_hashed_text($outText, "base64");
}
}