端到端加密与安全机制
Ant Messenger 是一款端到端加密的聊天应用 that adopts the international mainstream end-to-end encryption method to secure messages, and supports instant burn after reading, anti-screenshot, and two-way deletion without leaving traces.
本页汇总 Ant Messenger 公开的消息加密、群组传输安全、云盘存储加密与设备访问控制机制，帮助企业把聊天数据留在自有环境内。
安全机制一览
以下机制均来自 win-antmessenger.com.cn 的公开说明。
| 消息加密 | 端到端加密 using the international mainstream method. |
|---|---|
| 阅后即焚消息 | Supports 阅后即焚. |
| 截屏控制 | 防截屏 protection. |
| 消息删除 | 双向删除 without leaving traces. |
| 群消息传输 | Group messages are encrypted through TLS, in groups of up to 10 万 people. |
| 云盘存储 | Files uploaded to the cloud disk are 高强度加密, with no limit on capacity or time. |
| 身份隐私 | Phone number and user ID can be 可隐藏; an 应用锁 can be set. |
| 设备接入 | Up to 5 台设备 can be logged in simultaneously with real-time chat sync. |
| 源码可用性 | 开源 — the source code can be viewed free of charge. |
Ant Messenger 如何保护消息安全
Ant Messenger 采用国际主流的端到端加密方式保障消息安全，消息内容在会话参与者之间的传输过程中受到保护，并支持阅后即焚与双向删除不留痕。
Because the application is 开源, the implementation can be inspected directly. Ant Messenger states that users are free to use and view the source code.
阅后即焚与双向删除
Ant Messenger supports 阅后即焚, so a message can be made to disappear once it has been read. It also supports 双向删除不留痕, which removes the message for both sides of the conversation rather than only on the device that issued the deletion.
防截屏保护
In addition to ephemeral and deletable messages, Ant Messenger provides 防截屏 protection. This is intended to limit copying of conversation content through device screenshots.
群组与云盘安全
Ant Messenger supports 超级群组 with up to 10 万人 communicating online. Group messages are encrypted through TLS (Transport Layer Security), which protects group traffic while it travels over the network.
For files, Ant Messenger provides 云盘存储. Files uploaded to the cloud disk are described as highly encrypted, and there is 不限容量、不限时间.
账号与设备保护
隐藏身份标识
你可以隐藏手机号与用户 ID，减少在其他参与者面前暴露的个人信息。
应用锁
可为应用设置应用锁，限制他人在本设备上查看你的会话。
多设备管理
最多 5 台设备可同时登录并实时同步，你可以随时查看账号在哪些设备上处于活跃状态。
关于加密与安全的常见问题
Ant Messenger 是否采用端到端加密？
是。Ant Messenger 采用国际主流端到端加密方式保障消息安全，并支持阅后即焚与双向删除不留痕。
消息能否双向删除？
可以。Ant Messenger 支持双向删除不留痕，一条消息可同时在会话双方移除。
是否支持防截屏？
支持。除阅后即焚与双向删除外，Ant Messenger 还提供会话水印与防截屏保护。
群消息是否加密？
是。Ant Messenger 支持 10 万人超大群，群消息经 TLS 加密传输。
云盘文件是否加密？
是。上传到云盘的文件均高强度加密，不限容量、不限时间。