生成系统签名1、在服务器内创建文件夹key用于放置签名文件2、生成platform.pemopensslpkcs8-informDER-nocrypt-inplatform.pk8-outplatform.pem3、生成pkcs12opensslpkcs12-export-inplatform.x509.pem-outplatform.p12-inkeyplatform.pem-passwordpas