如果您想确保您的对话安全，那么安全消息应用程序(secure messaging app) Signal没有比这更好的了。由于Signal的端到端加密，没有人（甚至Signal）可以(Signal—can)接听您的电话或阅读您的消息。
您无需调整任何设置即可从 Signal 获得高级别的安全性(high level of security from Signal)——这些功能是内置的。但是，您可以进行一些调整以充分利用该应用程序。我们将向您展示如何使用Signal，并提供一些您想尝试的提示和技巧。
为什么是信号？
Signal有很多用途。
- Signal Foundation是一个非营利组织。
- 私人信使应用程序是免费的。
- 它不隶属于任何科技公司。
- Signal依靠支持者的捐款运行，用于支付开发和运营费用。
- Signal通过其开源隐私技术实现安全的全球通信，从而保护言论自由。
使用Signal ，您可以通过端到端加密(encryption)进行语音通话、视频通话、群组通话和SMS/text。爱德华·斯诺登(Edward Snowden)和埃隆·马斯克(Elon Musk)等人依靠Signal （而不是(Signal)WhatsApp、Telegram或Facebook Messenger等其他消息服务）来防止他们的消息落入黑客之手。
安装 Signal Messenger
从Google Play 商店(Google Play Store)获取适用于 Android 设备的 Signal(Signal for Android devices)。iPhone 或 iPad 用户应访问 Apple 应用商店以安装 Signal(visit the Apple app store to install Signal)。或从手机浏览器
访问signal.org/install
安装Signal应用程序后，系统会提示您使用电话号码进行注册。您将通过短信验证码进行验证、创建PIN并填写您的个人资料。随意(Feel)使用昵称！
也在您的桌面上使用 Signal
在手机上安装加密消息应用程序后，也可以考虑使用Signal 的桌面应用程序(Signal’s desktop app)。Signal桌面应用程序适用于Windows、Mac和Linux。如果您选择使用桌面或 iPad 应用程序，您将使用手机应用程序链接到它们。
在Android上(Android—or)Signal的右上角，或者通过点击左上角的个人资料图标，点击Settings > Linked设备(Devices)。在 iOS 上，点击Signal Settings > Link New Device。然后使用您选择的应用程序扫描桌面应用程序上的二维码。
额外的安全(Extra Security)和隐私设置(Privacy Settings)
Tap Settings > Privacy以访问选项，包括：
- 允许或禁止阅读回执。
- 屏幕(Screen)安全，您可以在其中阻止最近列表和Signal内部的屏幕截图(Signal)
- 隐身(Incognito)键盘禁用键盘的个性化学习功能
- 在Advanced下，选择始终中继通过(Advanced)Signal服务器路由呼叫的呼叫，这样您就不会向联系人显示您的 IP 地址。
- 密封发件人选项可帮助您防止Signal服务知道您发送的消息的发件人是谁。
让您的信号(Signal) 信息(Messages) 消失(Disappear)
消失的消息选项也在Settings > Privacy下。当您为新聊天启用默认(Default)计时器时，您开始的所有新聊天都会在收件人看到它们后消失。
屏幕锁定信号
在Android上，转到Settings > Privacy，然后在应用(App)安全下，切换屏幕(Screen)锁定以应用Android的屏幕锁定或指纹以打开Signal应用。
验证信号(Your Signal)会话
的安全(Security)性
使用安全号码验证会话，以确认没有第三方拦截您的对话。打开对话，然后点按您正在与之交流的人的姓名。从那里，点击查看(View)安全号码。请您的联系人也这样做。
您可以比较您看到的安全号码以确保它们与您的联系人看到的号码相匹配，或者，如果您与您的对话伙伴在同一个地方，您可以扫描(scan the QR code)他们手机上的二维码。
禁用 iPhone通话记录(Call History)同步到 iCloud
(Signal)使用Signal(Signal)进行语音通话的 iPhone 上的Signal用户可能希望禁用将其通话记录同步到 iCloud。Signal Settings > Privacy > Show Calls in最近(Recents)通话并确保您已选择Disabled选项
来验证同步是否已禁用。
Signal上的群聊
要创建群聊，请点击铅笔图标，然后点击新建(New)群组。从您的联系人列表中选择群组成员。(Select)然后点击箭头图标继续。为组命名，然后点击创建(Create)。通过点击邀请朋友来(Invite)邀请(Invite)更多朋友加入群组。您可以选择管理员来批准新成员，并启用和共享群聊链接。通过Signal(Signal)、另一个消息应用程序或 QR 码
分享链接。
聊天壁纸和主题
Conversation/Group设置 >聊天(Chat)颜色和壁纸，为聊天选择壁纸或主题。从那里，您可以选择聊天颜色和壁纸。对于壁纸，您可以选择Signal预设或选择照片。
使用 GIF 和贴纸
Android 用户可以通过点击消息字段左侧的
GIF按钮将(GIF)GIF(GIFs)和贴纸添加到聊天中。
iPhone 用户可以通过点击消息字段右侧的按钮来添加贴纸。要添加GIF，iPhone 用户应点击加号图标，然后点击GIF。
创建您自己的加密贴纸包(Encrypted Sticker Pack)
在Signal桌面应用程序中，选择File > Create/Upload Sticker Pack。您最多可以添加 200 个贴纸来创建自定义贴纸包。然后，您从您制作的包中向其发送贴纸的任何人（或您与之共享链接的任何人）都可以查看贴纸包。
在 Signal 上发送文件
选择一个对话，然后点击消息字段旁边的加号图标。从那里，点击图库(Gallery)以从相机胶卷中选择图像。要发送不同类型的文件，请点击文件(File)并浏览到要发送的文件。点击发送(Send)图标发送文件。您还可以发送联系人或位置。
Signal可让您在发送照片或视频时模糊图像的某些部分，例如面部或其他敏感区域。
创建给自己的便条
给自己发便条就像给其他人发消息一样。首先(First)，点击铅笔图标开始新消息。然后，在联系人列表中滚动到或搜索给自己的备注。(Note)如果您启用任何链接的设备，您的笔记将在所有设备上同步。
进行应用内付款
您可以使用Signal向联系人进行应用内付款，但您需要先激活付款功能。转到Settings > Payments，然后点击激活(Activate)付款按钮。此功能使用MobileCoin，Signal将其描述为“一种以隐私为重点的新型数字货币”。详细了解 Signal 的应用内支付和 MobileCoin(Learn more about Signal’s in-app payments and MobileCoin)。
代理支持
一些国家已经封锁了Signal。如果您有Android手机，则可以使用代理(use a proxy)。转到Settings > Data和存储 >使用(Use)代理。然后，打开该功能并输入代理地址。
Signal建议使用以下方法之一查找代理地址：
- 在Twitter 上(Twitter)搜索主题标签#IRanASignalProxy。
- 从家人或朋友那里获取二维码或链接。
- 自己设置代理地址。Signal 有一篇很棒的博客文章解释了如何(Signal has a great blog post explaining how).
这些基本技巧应该可以帮助您快速设置和使用Signal。你每天都使用Signal吗？(Signal)你的印象是什么？
How to Use the Signal App: Tips & Tricks
If you want to keep your conversations secure, you can’t do much better than the secure messaging app Signal. Thanks to Signal’s end-to-end encryption, no one—not even Signal—can listen to your calls or read your messages.
You don’t have to adjust any settings to get a high level of security from Signal—those features are built-in. However, you can make a few tweaks to get even more out of the app. We’ll show you how to use Signal and offer some tips and tricks you’ll want to try.
Why Signal?
Signal has a lot going for it.
- The Signal Foundation is a non-profit organization.
- The private messenger app is free.
- It’s not affiliated with any tech company.
- Signal runs on donations from supporters, which pays for development and operations.
- Signal protects free expression by enabling secure global communication through its open source privacy technology.
With Signal, you can make voice calls, video calls, group calls, and SMS/text messages all with end-to-end encryption. People like Edward Snowden and Elon Musk rely on Signal (instead of other messaging services like WhatsApp, Telegram, or Facebook Messenger) to keep their messages out of the hands of hackers.
Install Signal Messenger
Get Signal for Android devices from the Google Play Store. iPhone or iPad users should visit the Apple app store to install Signal. Or visit signal.org/install from your phone’s browser.
Once you’ve installed the Signal app, you’ll be prompted to register with your phone number. You’ll verify via a text message verification code, create a PIN, and fill out your profile. Feel free to use a nickname!
Use Signal on Your Desktop, Too
After you’ve installed the encrypted messaging app on your phone, consider using Signal’s desktop app, too. Signal desktop apps are available for Windows, Mac, and Linux. If you choose to use the desktop or iPad apps, you’ll link to them with your phone app.
In the top right corner of Signal on Android—or by tapping your profile icon in the top-left corner—tap Settings > Linked Devices. On iOS, tap Signal Settings > Link New Device. Then use the app of your choice to scan the QR code on the desktop app.
Extra Security and Privacy Settings
Tap Settings > Privacy to access options, including:
- Allow or disallow Read Receipts.
- Screen security where you can block screenshots in the recent list and inside Signal
- Incognito keyboard to disable the keyboard’s personalized learning feature
- Under Advanced, opt to always relay calls that route calls through the Signal server, so you don’t show your IP address to your contacts.
- Sealed sender options help you prevent the Signal service from knowing who the sender is of messages you send.
Make Your Signal Messages Disappear
Disappearing message options are under Settings > Privacy, as well. When you enable the Default timer for new chats, all new chats you start will disappear after the recipient has seen them.
Screen Lock Signal
On Android, go to Settings > Privacy, and under App security, toggle on Screen lock to apply Android’s screen lock or fingerprint to open the Signal app.
Verify the Security of Your Signal Session
Verify the session with a safety number to confirm that no third party is intercepting your conversation. Open a conversation and tap the name of the person you’re communicating with. From there, tap View safety number. Ask your contact to do the same.
You can either compare the safety numbers you see to make sure they match the numbers your contact sees, or, if you’re in the same place as your conversational partner, you can scan the QR code on their phone.
Disable iPhone Call History Syncing to iCloud
Signal users on iPhones who use Signal for voice calls might want to disable syncing their call history to the iCloud. Verify that syncing is disabled by going to Signal Settings > Privacy > Show Calls in Recents and making sure you’ve chosen the Disabled option.
Group Chats on Signal
To create a group chat, tap the pencil icon and then tap New group. Select group members from your contact list. Then tap the arrow icon to proceed. Give the group a name and tap Create. Invite more friends to the group by tapping Invite friends. You can choose an admin to approve new members and enable and share a link to the group chat. Share the link via Signal, another messaging app, or a QR code.
Chat Wallpapers and Themes
Choose a wallpaper or theme for a chat by tapping More (3 dots) > Conversation/Group settings > Chat color & wallpaper. From there, you can choose a chat color and wallpaper. For wallpapers, you can choose a Signal preset or select a photo.
Use GIFs and Stickers
Android users can add GIFs and stickers to chats by tapping the GIF button to the left of the message field.
iPhone users can add a sticker by tapping the button to the right of the message field. To add a GIF, iPhone users should tap the plus icon and then tap GIF.
Create Your Own Encrypted Sticker Pack
In the Signal desktop application, select File > Create/Upload Sticker Pack. You can add up to 200 stickers to create a custom sticker pack. Then, anyone to whom you send a sticker from the pack you made (or anyone you share the link with) can view the sticker pack.
Send Files on Signal
Select a conversation and tap the plus icon next to the message field. From there, tap Gallery to choose an image from your camera roll. To send a different kind of file, tap File and browse to the file you want to send. Tap the Send icon to send the file. You can also send a contact or a location.
Signal lets you blur portions of the image when you send photos or videos, like faces or other sensitive areas.
Create a Note to Self
Sending a note to yourself is like sending a message to anyone else. First, tap the pencil icon to begin a new message. Then, scroll to or search for Note to self in the contacts list. If you enable any linked devices, your notes will be synced across all of them.
Make In-App Payments
You can use Signal to make in-app payments to a contact, but you’ll need to activate the payments feature first. Go to Settings > Payments and tap the Activate payments button. This feature uses MobileCoin, which Signal describes as “a new privacy-focused digital currency.” Learn more about Signal’s in-app payments and MobileCoin.
Proxy Support
Some countries have blocked Signal. If you have an Android phone, you can use a proxy. Go to Settings > Data and storage > Use proxy. Then, toggle on the feature and enter a proxy address.
Signal recommends finding proxy addresses using one of these methods:
- Search for the hashtag #IRanASignalProxy on Twitter.
- Get a QR code or link from family or friends.
- Set a proxy address up yourself. Signal has a great blog post explaining how.
These basic tips should help you set up and use Signal quickly. Do you use Signal every day? What are your impressions?
