Langchain + m3e-small in order to fit into an app.
Ncatbot Framework.
https://github.com/Le1zyCatt/encrypt_ncatbot
Also a project using ncatbot, combining RSA realisation from scratch.
feishu doc: https://tcntuxkjik0v.feishu.cn/wiki/XrT5wMkrvidy8PkEnFZch1M7n2e?from=from_copylink