Method for encrypting, decrypting or signing of emails using an email server

摘要

the invention relates to method to encrypt and / or decoding and / or signature of electronic messages, with a news client to send and / or receiving electronic messages and a message server, the electronic news the news client providing and / or to the receiver forwards,although the news client to send the encrypted electronic message from the message server requests a public key of the recipient. the news server checks whether the receiver is a key to the news client available, and if this does not exist, it creates them.the public key is transmitted to the news client to the sender and the secret key of the receiver. the news client after receiving the public key to encrypt the message, and the message server.