后端开发|php教程
OpenSSL,加密解密,php
后端开发-php教程依赖于OpenSSL扩展
自适应软件下载源码,ubuntu依赖修复,tomcat与web不匹配,爬虫有效吗,php各个版本区别,seo关键字优化如何做lzw
/*加密解密*/function authcode($string, $operation = E) { $ssl_public = file_get_contents(DATA_PATH."/conf/cert_public.key"); $ssl_private = file_get_contents(DATA_PATH."/conf/cert_private.pem"); $pi_key = openssl_pkey_get_private($ssl_private);//这个函数可用来判断私钥是否是可用的，可用返回资源id Resource id $pu_key = openssl_pkey_get_public($ssl_public);//这个函数可用来判断公钥是否是可用的 if(false == ($pi_key || $pu_key)) return 证书错误; $data = ""; if($operation==D){ openssl_private_decrypt(base64_decode($string),$data,$pi_key);//私钥解密 }else{ openssl_public_encrypt($string,$data,$pu_key);//公钥加密 $data = base64_encode($data); } return $data;}/*生成证书*/function exportOpenSSLFile(){ $config = array( "digest_alg" => "sha512", "private_key_bits" => 4096, //字节数 512 1024 2048 4096 等 "private_key_type" => OPENSSL_KEYTYPE_RSA, //加密类型 ); $res = openssl_pkey_new($config); if($res == false) return false; openssl_pkey_export($res, $private_key); $public_key = openssl_pkey_get_details($res); $public_key = $public_key["key"]; file_put_contents(DATA_PATH."/conf/cert_public.key",$public_key); file_put_contents(DATA_PATH."/conf/cert_private.pem",$private_key); openssl_free_key($res);}
p2p即时通信系统源码,vscode图片放大了怎么缩小,ubuntu 增加桌面,tomcat配置指向项目,卖爬虫须知,php 挣钱项目,seo转换率什么意思lzw
