openssl生成根证书/ip地址域名自签名证书
ca生成根证书(CA证书) openssl genrsa -out ca.key 2048 openssl req -new -key ca.key -out ca.csr -subj “/C=CN/ST=china/O=eATM” openssl x50
ca生成根证书(CA证书) openssl genrsa -out ca.key 2048 openssl req -new -key ca.key -out ca.csr -subj “/C=CN/ST=china/O=eATM” openssl x50