When the private key length is 512bit and 1024bit,PDDSS only has 11%-33% slowerthan the single sign-server on sign speed. It can ensure the realtime usefulness of thesystem.

• 在使用512位和1024位长度密钥签名时,签名效率上本系统只比单服务器慢11%25~33%25,可以保证系统服务的实用性。