?phpnamespace MyObjSummary; * 使用openssl實現非對稱加密html' target='_blank'>class Rsa * 私鑰 private $_privKey; * 公鑰 private $_pubKey; /** 保存文件地址 * @var private $_keyPath; /** 公鑰 * @var string private $_pubKeyLink = -----BEGIN PUBLIC KEY-----MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCF4sz1eu4XgLeIK9Aiu4+rfgltk1gmNhUytOtk3kbzPoy2XoR5sQIRXBYnIagwBVOLPWDacVJoqjfeK6xGvL17745uZ7RubcZIW62ocgX3swIDAQAB-----END PUBLIC KEY-----  /**私鑰 * @var string private $_priKeyLink = -----BEGIN RSA PRIVATE KEY-----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-----END RSA PRIVATE KEY-----  * Rsa constructor. * @param string $path public function __construct($path= ) if (!empty($path)) { $this- _keyPath = $path; * 創建公鑰和私鑰 public function createKey() $config = [ config = D:/Min/Install/wamp/wamp64/bin/php/php5.6.25/extras/ssl/openssl.cnf , digest_alg = sha512 , private_key_bits = 4096, private_key_type = OPENSSL_KEYTYPE_RSA, // 生成私鑰 $rsa = openssl_pkey_new($config); openssl_pkey_export($rsa, $privKey, NULL, $config); file_put_contents($this- _keyPath . DIRECTORY_SEPARATOR . priv.key , $privKey); $this- _privKey = openssl_pkey_get_public($privKey); // 生成公鑰 $rsaPri = openssl_pkey_get_details($rsa); $pubKey = $rsaPri[ key  file_put_contents($this- _keyPath . DIRECTORY_SEPARATOR . pub.key , $pubKey); $this- _pubKey = openssl_pkey_get_public($pubKey); /** 設置私鑰 * @return bool public function setupPrivKey() if (is_resource($this- _privKey)) { return true; //從文件中獲取 /*$file = $this- _keyPath . DIRECTORY_SEPARATOR . priv.key  $privKey = file_get_contents($file);*/ $privKey = $this- _priKeyLink; $this- _privKey = openssl_pkey_get_private($privKey); return true; /** 設置公鑰 * @return bool public function setupPubKey() //從文件中獲取 /*$file = $this- _keyPath . DIRECTORY_SEPARATOR . pub.key  $pubKey = file_get_contents($file);*/ //數據源 $pubKey = $this- _pubKeyLink; $this- _pubKey = openssl_pkey_get_public($pubKey); return true; /** 用私鑰加密 * @param $data * @return null|string public function privEncrypt($data) if (!is_string($data)) { return null; $this- setupPrivKey(); $result = openssl_private_encrypt($data, $encrypted, $this- _privKey); if ($result) { return base64_encode($encrypted); return null; /** 私鑰解密 * @param $encrypted * @return null public function privDecrypt($encrypted) if (!is_string($encrypted)) { return null; $this- setupPrivKey(); $encrypted = base64_decode($encrypted); $result = openssl_private_decrypt($encrypted, $decrypted, $this- _privKey); if ($result) { return $decrypted; return null; /** 公鑰加密 * @param $data * @return null|string public function pubEncrypt($data) if (!is_string($data)) { return null; $this- setupPubKey(); $result = openssl_public_encrypt($data, $encrypted, $this- _pubKey); if ($result) { return base64_encode($encrypted); return null; /** 公鑰解密 * @param $crypted * @return null public function pubDecrypt($crypted) if (!is_string($crypted)) { return null; $this- setupPubKey(); $crypted = base64_decode($crypted); $result = openssl_public_decrypt($crypted, $decrypted, $this- _pubKey); if ($result) { return $decrypted; return null; /** 私鑰簽名 * @param $data * @return string public function priKeySign($data) if(!is_string($data)) return null; $private_key=openssl_get_privatekey($this- _priKeyLink); $original_str= $data ;//原數據 openssl_sign($original_str,$sign,$private_key); openssl_free_key($private_key); $sign=base64_encode($sign);//最終的簽名 return $sign ; /** 公鑰驗簽 * @param $sign * @param $data * @return bool public function pubKeyCheck($sign,$data) if(!is_string($sign) || !is_string($data)) return null; $public_key=openssl_get_publickey($this- _pubKeyLink); $sign=base64_decode($sign);//得到的簽名 $original_str=$data; $result=(bool)openssl_verify($original_str,$sign,$public_key); openssl_free_key($public_key); return $result ; * __destruct public function __destruct() { @fclose($this- _privKey); @fclose($this- _pubKey);$rsa = new Rsa();echo openssl_private_encrypt,openssl_public_decrypt , br / //私鑰加密，公鑰解密echo 私鑰加密,公鑰驗簽 , br / echo 待加密數據：testInfo , br / $pre = $rsa- privEncrypt( testInfo echo 加密后的密文: br / . $pre . br / $pud = $rsa- pubDecrypt($pre);echo 解密后數據: . $pud . br / echo hr 
echo openssl_public_encrypt,openssl_private_decrypt , br / echo 公鑰加密，私鑰驗簽 , br / echo 待加密數據：ssh-test , br / $pue = $rsa- pubEncrypt( ssh-test echo 加密后的密文: , br / . $pue . br / $prd = $rsa- privDecrypt($pue);echo 解密后數據: . $prd;echo hr echo hr echo openssl_sign,openssl_verify , br / echo 私鑰簽名,公鑰驗簽 , br / echo 待加密數據：test=32 , br / $pre = $rsa- priKeySign( test=32 echo 加密后的密文: , br / . $pre . br / $pud = $rsa- pubKeyCheck($pre, test=32 echo 是否解密成功: . $pud . br / echo hr 

以上就是php和openssl實現非對稱加密的代碼示例的詳細內容，PHP教程

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