With so many ways to communicate, how should a manager choose the one that's best—particularly when the message to be delivered is bad or unwelcome news for the recipient?
The center then attempts to send the message to the designated recipient.
中心随即尝试向指定的接收者发送消息。
3
The sender USES the recipient's public key (available via published digital certificates) to encrypt the message. The recipient then USES his private key to decrypt the message.