php 生成加密公钥加密私钥实例详解
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2024-03-09 17:09:29
php 生成加密公钥加密私钥实例详解
生成公钥私钥 win下必须要openssl.cof支持 li...
php 生成加密公钥加密私钥实例详解
生成公钥私钥 win下必须要openssl.cof支持 liunx一般已自带安装
$config = array( //"digest_alg" => "sha512", "private_key_bits" => 512, //字节数 512 1024 2048 4096 等 "private_key_type" => openssl_keytype_rsa, //加密类型 ); //1.创建公钥和私钥 返回资源 $res = openssl_pkey_new($config); //从得到的资源中获取私钥 并把私钥赋给$privkey openssl_pkey_export($res, $privkey); //从得到的资源中获取私钥 并把私钥赋给$pubkey $pubkey = openssl_pkey_get_details($res); $pubkey = $pubkey["key"]; var_dump(array('privkey'=>$privkey,'pubkey'=>$pubkey)); die; //2.加密解密数据 要加密的数据 $data = 'plaintext data goes here'; //对$data进行加密 要加密的数据字符串 得到加密后的数据 加密所需要的公钥 openssl_public_encrypt($data, $encrypted, $pubkey); echo base64_encode($encrypted); //对加密后的数据进行解密 解密的数据 得到解密后的数据 解密所需要的私钥 $decrypted = base64_decode($encrypted); openssl_private_decrypt($encrypted, $decrypted, $privkey); echo $decrypted; //3.一个加密解密类 class rsa { private $public_key = ''; //公密钥 private $private_key = ''; //私密钥 private $public_key_resource = ''; //公密钥资源 private $private_key_resource = ''; //私密钥资源 /** * 架构函数 * @param [string] $public_key_file [公密钥文件地址] * @param [string] $private_key_file [私密钥文件地址] */ public function __construct($public_key,$private_key) { $this->public_key = $public_key; $this->private_key = $private_key; if(false == ($this->public_key_resource = $this->is_bad_public_key($this->public_key)) || false == ($this->private_key_resource = $this->is_bad_private_key($this->private_key))) { throw new exception('public key or private key no usable'); } } private function is_bad_public_key($public_key) { return openssl_pkey_get_public($public_key); } private function is_bad_private_key($private_key) { return openssl_pkey_get_private($private_key); } /** * 生成一对公私密钥 成功返回 公私密钥数组 失败 返回 false */ public function create_key() { $res = openssl_pkey_new(); if($res == false) return false; openssl_pkey_export($res, $private_key); $public_key = openssl_pkey_get_details($res); return array('public_key'=>$public_key["key"],'private_key'=>$private_key); } /** * 用私密钥加密 */ public function private_encrypt($input) { openssl_private_encrypt($input,$output,$this->private_key_resource); return base64_encode($output); } /** * 解密 私密钥加密后的密文 */ public function public_decrypt($input) { openssl_public_decrypt(base64_decode($input),$output,$this->public_key_resource); return $output; } /** * 用公密钥加密 */ public function public_encrypt($input) { openssl_public_encrypt($input,$output,$this->public_key_resource); return base64_encode($output); } /** * 解密 公密钥加密后的密文 */ public function private_decrypt($input) { openssl_private_decrypt(base64_decode($input),$output,$this->private_key_resource); return $output; } } $private_key = '-----begin rsa private key----- miicxqibaakbgqc3//sr2txw0wrc2dysx8vnglqt3y7ldu9+lbli6e1ks5lfc5jl tgf7kbtskchbm3ouehwqp1zj85ije59af5gib2klbd6h4wrbbha2xe1sq21ykja/ gqx7/iria3zqfxgv/qekygox+xalvoolzqdwh76o2n1vp1d+td3amhsk7qidaqab aogbakh14bmitesqd4pywodwmy7rrrvyfpenjjtecljvkb7ikrvxvdkp1xijngkh 2h5syhq5qslpsgyj1m/xkdnginwalvhvd3bokkgkg1bzn7ao5pxt+herqxavwws6 ga63yvsic8jcodxiuvxjnumqrlaqof6aub/2vwc2t5mdmxlhakea3pwgpvxgliwl 3h7qlyzlrlrbfrurn4cyl4uyaakokkavzly04glle8ycgoc2dzl4eil4l/+x/gaq deju/chlrqjbanozy0meovkwhu4bscsdnfm6usqowybewhyyh/otv1a3sqcce1f+ qbaclcqenihajccdmgyj53lfigyv0wcs54kcqaxapkahclrkqladquv5iwyyj25f oiq+y8sgccs73qixru1ypjy9yka/meg9smsl4oh9ioigi+zuygh9ydsmeq0cqqc2 4g3ip2g3lndrdzim5nz7pfnmyrabxk/ugvuwdk47iwtzhfkdhxkfc8qepuhbsahl qjifgxy4ejkubm3fpdgjakafwuxyssijjvrhwnhfbg0rfkvvy63osmnrxil4x6ey yi9lblcsyfpl25l7l5zmjrahn45zaioobrwqpm5edu7c -----end rsa private key-----'; $public_key = '-----begin public key----- migfma0gcsqgsib3dqebaquaa4gnadcbiqkbgqc3//sr2txw0wrc2dysx8vnglqt 3y7ldu9+lbli6e1ks5lfc5jltgf7kbtskchbm3ouehwqp1zj85ije59af5gib2kl bd6h4wrbbha2xe1sq21ykja/gqx7/iria3zqfxgv/qekygox+xalvoolzqdwh76o 2n1vp1d+td3amhsk7qidaqab -----end public key-----'; $rsa = new rsa($public_key,$private_key); $str = '加密解密'; $str = $rsa->public_encrypt($str); //用公密钥加密 echo $str,'</br>'; $str = $rsa->private_decrypt($str); //用私密钥解密 echo $str,'</br>'; //============================================================= $str = $rsa->private_encrypt($str); //用私密钥加密 echo $str,'</br>'; $str = $rsa->public_decrypt($str); //用公密钥解密 echo $str,'</br>';
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