然后，佐伊利用弗兰妮的公开钥匙对发送给弗兰妮的报文加密。

Zooey then USES Franny's public key to encrypt a message to her.

youdao

分析和证明了在提供面向连接服务的TCP层实现报文加密、认证和签名的可行性，提出了一种TCP保密连接协议。

Analyzes and proves the feasibility mat a connection oriented TCP protocol can carry out data encryption, authentication and signature in theory. Furthermore, a secure connection protocol is advanced.

youdao

报文摘要是用发送者的秘密钥匙加密的。

The message digest is encrypted with sender's private key.

youdao