代码系统

• This code system is based on public key infrastructure technology and requires developers to sign their code with a public key certificate obtained from one of three sources : the software provider , a trusted third party known as a certificate authority , or a ca working on behalf of the software provider
  这种代码系统基于公钥基础结构技术，它需要开发人员用公钥证书来对他们的代码进行签名，这个公钥证书是来自：软件供应商、可信的第三方（如认证中心， ca ） 、为软件供应商提供服务的ca 。