laravel 5.3中自定义加密服务的方案详解

<?phpnamespace App/Service/Common;class CryptService{ public $config,$keypath, $prikey_path, $pubkey_path, $prikey, $pubkey , $private_key_size; public function select($select = 'rsa_api') {  $config = config('crypt');  if (array_key_exists($select, $config)) {   $this->config = $config[$select];   $this->private_key_size = $this->config['openssl_config']['private_key_bits'];  } else {   return false;  }  $this->keypath = dirname(dirname(dirname(__DIR__))) . $this->config['path'];  if(!file_exists($this->keypath)){   mkdir($this->keypath,"0777",true);  }  $this->prikey_path = $this->keypath . $this->config['private_key_file_name'];  $this->pubkey_path = $this->keypath . $this->config['public_key_file_name'];  if (file_exists($this->prikey_path))   $this->prikey = file_get_contents($this->prikey_path);  if (file_exists($this->pubkey_path))   $this->pubkey = file_get_contents($this->pubkey_path);  return $this; } public function makeKey() {  $res = openssl_pkey_new($this->config['openssl_config']);  openssl_pkey_export($res, $this->prikey);  file_put_contents($this->prikey_path, $this->prikey);  $pubkey = openssl_pkey_get_details($res);  $this->pubkey = $pubkey['key'];  file_put_contents($this->pubkey_path, $this->pubkey);  return $test = ['prikey' => $this->prikey, 'pubkey' => $this->pubkey]; } public function encryptPrivate($data){  $crypt = $this->encrypt_split($data);  $crypted = '';  foreach ($crypt as $k=>$c){   if($k!=0) $crypted.="@";   $crypted.=base64_encode($this->doEncryptPrivate($c));  }  return $crypted; } public function encryptPublic($data){  $crypt = $this->encrypt_split($data);  $crypted = '';  foreach ($crypt as $k=>$c){   if($k!=0) $crypted.="@";   $crypted.=base64_encode($this->doEncryptPublic($c));  }  return $crypted; } public function decryptPublic($data){  $decrypt = explode('@',$data);  $decrypted = "";  foreach ($decrypt as $k=>$d){   $decrypted .= $this->doDecryptPublic(base64_decode($d));  }  return $decrypted; } public function decryptPrivate($data){  $decrypt = explode('@',$data);  $decrypted = "";  foreach ($decrypt as $k=>$d){   $decrypted .= $this->doDecryptPrivate(base64_decode($d));  }  return $decrypted; } private function encrypt_split($data){  $crypt=[];$index=0;  for($i=0; $i<strlen($data); $i+=117){   $src = substr($data, $i, 117);   $crypt[$index] = $src;   $index++;  }  return $crypt; } private function doEncryptPrivate($data) {  $rs = '';  if (@openssl_private_encrypt($data, $rs, $this->prikey) === FALSE) {   return NULL;  }  return $rs; } private function doDecryptPrivate($data) {  $rs = '';  if (@openssl_private_decrypt($data, $rs, $this->prikey) === FALSE) {   return null;  }  return $rs; } private function doEncryptPublic($data){  $rs = '';  if (@openssl_public_encrypt($data, $rs, $this->pubkey) === FALSE) {   return NULL;  }  return $rs; } private function doDecryptPublic($data) {  $rs = '';  if (@openssl_public_decrypt($data, $rs, $this->pubkey) === FALSE) {   return null;  }  return $rs; }}

<?phpnamespace App/Facades;use /Illuminate/Support/Facades/Facade;class CryptFacades extends Facade{ public static function getFacadeAccessor() {  return 'MyCrypt'; }}

<?phpnamespace App/Providers;use App/Service/Common/CryptService;use Illuminate/Support/ServiceProvider;class MyCryptServiceProvider extends ServiceProvider{ /**  * Bootstrap the application services.  *  * @return void  */ public function boot() {  // } /**  * Register the application services.  *  * @return void  */ public function register() {  /App::bind('MyCrypt',CryptService::class); }}

'providers' => [ /App/Providers/MyCryptServiceProvider::class,],'aliases' => [ 'MyCrypt' => /App/Facades/CryptFacades::class,]

<?php//基于laravel根目录，分隔符最好是用 DIRECTORY_SEPARATOR 常量代替return [ 'rsa_api' => [  'path'=>DIRECTORY_SEPARATOR.'storage'.DIRECTORY_SEPARATOR.'rsakey'.DIRECTORY_SEPARATOR,  'private_key_file_name'=>'private_key.pem',  'public_key_file_name' =>'public_key.pem',  'openssl_config'=>[   "digest_alg" => "sha512",   "private_key_bits" => 1024,   "private_key_type" => OPENSSL_KEYTYPE_RSA,  ] ], 'rsa_data'=>[  'path'=>DIRECTORY_SEPARATOR.'storage'.DIRECTORY_SEPARATOR.'rsakey'.DIRECTORY_SEPARATOR,  'private_key_file_name'=>'private.pem',  'public_key_file_name' =>'public.pem',  'openssl_config'=>[   "digest_alg" => "sha512",   "private_key_bits" => 1024,   "private_key_type" => OPENSSL_KEYTYPE_RSA,  ] ]];

php artisan make:controller IndexController

<?phpnamespace App/Http/Controllers;use Illuminate/Http/Request;use MyCrypt;class IndexController extends Controller{ public function test(){  $crypt = MyCrypt::select('rsa_api');  $crypt->makeKey();  $short = "abcd";  $long = "   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa   aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";  $req['short'] = $short;  $req['short_private_encrypt'] = $crypt->encryptPrivate($short);  $req['short_public_decrypt'] = $crypt->decryptPublic($req['short_private_encrypt']);  $req['long'] = $long;  $req['long_private_encrypt'] = $crypt->encryptPrivate($long);  $req['long_public_decrypt'] = $crypt->decryptPublic($req['long_private_encrypt']);  dump($req);  //dd($req); }}

Route::get('/test', 'IndexController@test');