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136 lines
3.0 KiB
PHP
136 lines
3.0 KiB
PHP
<?php
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include_once("RSA.php");
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class jubaopay
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{
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private $_rsa;
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private $message;
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private $signature;
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private $digest;
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private $encrypts;
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public function __construct($conf)
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{
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$this->_rsa = new RSA($conf);
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$this->message="";
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$this->signature="";
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$this->digest="";
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$this->encrypts=array();
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}
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public function __destruct()
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{
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}
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public function __set($name,$value)
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{
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$this->$name = $value ;
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}
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public function __get($name)
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{
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return $this->$name;
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}
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public function generateRandomString( $length = 16 ) {
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$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()-_ []{}<>~`+=,.;:/?|';
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$password = "";
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for ( $i = 0; $i < $length; $i++ )
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$password .= $chars[ mt_rand(0, strlen($chars) - 1) ];
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return $password;
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}
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public function setEncrypt($key,$value){
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$this->encrypts[$key]=$value;
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}
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public function getEncrypt($key){
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return $this->encrypts[$key];
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}
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public function interpret()
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{
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$this->digest="";
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$plainString="";
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$count=0;
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foreach( $this->encrypts as $key => $value ) {
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$count=$count+1;
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$this->digest.=$value;
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$plainString.=urlencode($key)."&".urlencode($value);
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if ($count < count($this->encrypts))
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$plainString.="&";
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}
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$key = $this->generateRandomString();
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$iv = $this->generateRandomString();
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$encrypted = base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $plainString, MCRYPT_MODE_CBC, $iv));
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$this->message=$this->_rsa->pubEncrypt($key).$this->_rsa->pubEncrypt($iv).$encrypted;
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$this->signature=$this->_rsa->sign($this->digest);
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}
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public function decrypt($message)
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{
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$this->message=$message;
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$key=$this->_rsa->privDecrypt(substr($message,0,172));
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$iv=$this->_rsa->privDecrypt(substr($message,172,172));
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$decrypted = base64_decode(substr($message,172+172));
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$plainString=rtrim(mcrypt_decrypt(MCRYPT_RIJNDAEL_128, $key, $decrypted, MCRYPT_MODE_CBC, $iv),"\0");
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$this->digest="";
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$this->encrypts=array();
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$items=explode('&', $plainString);
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for ($i=0; $i<count($items)/2; $i++){
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$field = urldecode($items[2*$i]);
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$value = urldecode($items[2*$i+1]);
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$this->encrypts[$field] = $value;
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$this->digest.=$value;
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}
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}
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public function verify($signature)
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{
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$this->signature=$signature;
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return $this->_rsa->verify($this->digest,$this->signature);
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}
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public function encryptComfirm()
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{
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$this->digest="";
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$plainString="";
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$count=0;
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foreach( $this->encrypts as $key => $value ) {
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$count=$count+1;
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$this->digest.=$value;
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$plainString.=urlencode($key)."&".urlencode($value);
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if ($count < count($this->encrypts))
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$plainString.="&";
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}
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$key = $this->generateRandomString();
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$iv = $this->generateRandomString();
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$encrypted = base64_encode(mcrypt_encrypt(MCRYPT_RIJNDAEL_128, $key, $plainString, MCRYPT_MODE_CBC, $iv));
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$this->message=$this->_rsa->pubEncrypt($key).$this->_rsa->pubEncrypt($iv).$encrypted;
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}
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public function signComfirm()
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{
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$this->signature=$this->_rsa->sign($this->digest);
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return $this->signature;
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}
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}
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