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编码猿
2024-09-27 01:32:49 +08:00
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<?php
/**
* Created by PhpStorm.
*/
namespace app\common\controller;
class Encryption
{
private $publicKey;
private $privateKey;
private $keyLength;
/**
* 初始化
*
*/
public function __construct()
{
$this->publicKey = config("encset.rsa")['publicKey'];
$this->privateKey = config("encset.rsa")['privateKey'];
// 公钥
$publicId = openssl_pkey_get_public($this->publicKey);
$this->keyLength = openssl_pkey_get_details($publicId)['bits'];
// 私钥
$privateId = openssl_pkey_get_private($this->privateKey);
$this->keyLength = openssl_pkey_get_details($privateId)['bits'];
}
/**
* 生成签名
*
* @param string 签名材料
* @param string 签名编码base64/hex/bin
* @return 签名值
*/
public function sign($data, $code = 'base64')
{
$ret = false;
$privateId = openssl_get_privatekey($this->privateKey);
if (openssl_sign($data, $ret, $privateId)) {
$ret = $this->encodeSign($ret, $code);
}
return $ret;
}
/**
* 验证签名
*
* @param string 签名材料
* @param string 签名值
* @param string 签名编码base64/hex/bin
* @return bool
*/
public function verify($data, $sign, $code = 'base64')
{
$ret = false;
$sign = $this->decodeSign($sign, $code);
if ($sign !== false) {
$publicId = openssl_get_publickey($this->publicKey);
switch (openssl_verify($data, $sign, $publicId)) {
case 1:
$ret = true;
break;
case 0:
case -1:
default:
$ret = false;
}
}
return $ret;
}
/**
* 加密
*
* @param string 明文
* @param string 密文编码base64/hex/bin
* @param int 填充方式php目前仅支持OPENSSL_PKCS1_PADDING
* @return string 密文
*/
public function encrypt($data, $code = 'base64', $padding = OPENSSL_PKCS1_PADDING)
{
$ret = false;
if (!$this->checkPadding($padding, 'en')) $this->errorInfo('padding error');
if (openssl_public_encrypt($data, $result, $this->publicKey, $padding)) {
$ret = $this->encodeSign($result, $code);
}
return $ret;
}
/**
* 解密
*
* @param string 密文
* @param string 密文编码base64/hex/bin
* @param int 填充方式OPENSSL_PKCS1_PADDING / OPENSSL_NO_PADDING
* @param bool 是否翻转明文When passing Microsoft CryptoAPI-generated RSA cyphertext, revert the bytes in the block
* @return string 明文
*/
public function decrypt($data, $code = 'base64', $padding = OPENSSL_PKCS1_PADDING, $rev = false)
{
$ret = false;
$data = $this->decodeSign($data, $code);
if (!$this->checkPadding($padding, 'de')) $this->errorInfo('padding error');
if ($data !== false) {
if (openssl_private_decrypt($data, $result, $this->privateKey, $padding)) {
$ret = $rev ? rtrim(strrev($result), "\0") : '' . $result;
}
}
return $ret;
}
/**
* 获取key信息
* @return array
*/
public function getKeyInfo()
{
$result = [
"publicInfo" => [
"publicKey" => $this->publicKey,
"keyLength" => $this->keyLength,
],
"privateInfo" => [
"privateKey" => $this->privateKey,
"keyLength" => $this->keyLength,
],
];
return $result;
}
/***************************************************** 私有方法 ****************************************************/
/**
* 检测填充类型
* 加密只支持PKCS1_PADDING
* 解密支持PKCS1_PADDING和NO_PADDING
*
* @param int 填充模式
* @param string 加密en/解密de
* @return bool
*/
private function checkPadding($padding, $type)
{
if ($type == 'en') {
switch ($padding) {
case OPENSSL_PKCS1_PADDING:
$ret = true;
break;
default:
$ret = false;
}
} else {
switch ($padding) {
case OPENSSL_PKCS1_PADDING:
case OPENSSL_NO_PADDING:
$ret = true;
break;
default:
$ret = false;
}
}
return $ret;
}
/**
* 加码
* @param $data
* @param $code
* @return bool|string
*/
private function encodeSign($data, $code)
{
switch (strtolower($code)) {
case 'base64':
$data = base64_encode('' . $data);
break;
case 'hex':
$data = bin2hex($data);
break;
case 'bin':
default:
}
return $data;
}
/**
* 解码
* @param $sign
* @param $code
* @return bool|string
*/
private function decodeSign($sign, $code)
{
$data = false;
switch (strtolower($code)) {
case 'base64':
$data = base64_decode($sign);
break;
case 'hex':
$data = $this->hex2Bin($sign);
break;
case 'bin':
default:
}
return $data;
}
/**
* 自定义错误处理
* @param $msg
*/
private function errorInfo($msg)
{
die('RSA Error:' . $msg);
}
/**
* hex2Bin
* @param bool $hex
* @return bool|string
*/
private function hex2Bin($hex = false)
{
$ret = $hex !== false && preg_match('/^[0-9a-fA-F]+$/i', $hex) ? pack("H*", $hex) : false;
return $ret;
}
/**
* sha256 加密
* @param $data
* @param bool $rawOutput
* @return bool|string
*/
public function sha256($data, $rawOutput = false)
{
if (!is_scalar($data)) {
return false;
}
$data = (string)$data;
$rawOutput = !!$rawOutput;
return hash('sha256', $data, $rawOutput);
}
}

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<?php
namespace app\common\controller;
/**
* 签名助手 2017/11/19
*
* Class SignatureHelper
*/
class SignatureHelper {
/**
* 生成签名并发起请求
*
* @param $accessKeyId string AccessKeyId (https://ak-console.aliyun.com/)
* @param $accessKeySecret string AccessKeySecret
* @param $domain string API接口所在域名
* @param $params array API具体参数
* @param $security boolean 使用https
* @param $method boolean 使用GET或POST方法请求VPC仅支持POST
* @return bool|\stdClass 返回API接口调用结果当发生错误时返回false
*/
public function request($accessKeyId, $accessKeySecret, $domain, $params, $security=false, $method='POST') {
$apiParams = array_merge(array (
"SignatureMethod" => "HMAC-SHA1",
"SignatureNonce" => uniqid(mt_rand(0,0xffff), true),
"SignatureVersion" => "1.0",
"AccessKeyId" => $accessKeyId,
"Timestamp" => gmdate("Y-m-d\TH:i:s\Z"),
"Format" => "JSON",
), $params);
ksort($apiParams);
$sortedQueryStringTmp = "";
foreach ($apiParams as $key => $value) {
$sortedQueryStringTmp .= "&" . $this->encode($key) . "=" . $this->encode($value);
}
$stringToSign = "${method}&%2F&" . $this->encode(substr($sortedQueryStringTmp, 1));
$sign = base64_encode(hash_hmac("sha1", $stringToSign, $accessKeySecret . "&",true));
$signature = $this->encode($sign);
$url = ($security ? 'https' : 'http')."://{$domain}/";
try {
$content = $this->fetchContent($url, $method, "Signature={$signature}{$sortedQueryStringTmp}");
return json_decode($content);
} catch( \Exception $e) {
return false;
}
}
private function encode($str)
{
$res = urlencode($str);
$res = preg_replace("/\+/", "%20", $res);
$res = preg_replace("/\*/", "%2A", $res);
$res = preg_replace("/%7E/", "~", $res);
return $res;
}
private function fetchContent($url, $method, $body) {
$ch = curl_init();
if($method == 'POST') {
curl_setopt($ch, CURLOPT_POST, 1);//post提交方式
curl_setopt($ch, CURLOPT_POSTFIELDS, $body);
} else {
$url .= '?'.$body;
}
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_TIMEOUT, 5);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
"x-sdk-client" => "php/2.0.0"
));
if(substr($url, 0,5) == 'https') {
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
}
$rtn = curl_exec($ch);
if($rtn === false) {
// 大多由设置等原因引起,一般无法保障后续逻辑正常执行,
// 所以这里触发的是E_USER_ERROR会终止脚本执行无法被try...catch捕获需要用户排查环境、网络等故障
trigger_error("[CURL_" . curl_errno($ch) . "]: " . curl_error($ch), E_USER_ERROR);
}
curl_close($ch);
return $rtn;
}
}