值此 更安全互联网日之际， ^{(Safer Internet Day, )}谷歌^(Google)已主动警告网民，如果他们的任何登录凭据在互联网^(Internet)上被盗用。他们正在使用专门为Google Chrome制作的名为Password Checkup 的扩展程序来做到这一点。 ^{(Password Checkup. )}今天，我们将在本文中进一步了解它。

谷歌密码检查 Chrome^{(Google Password Checkup Chrome)}扩展

谷歌说——

“We built Password Checkup so that no one, including Google, can learn your account details. To do this, we developed privacy-protecting techniques with the help of cryptography researchers at both Google and Stanford University.”

下载并安装后，您会 在屏幕右上角看到其图标为绿色盾牌 。^{(Green Shield )}

每当您使用您的凭据登录特定网站或服务时，该扩展程序都会将其与被破坏服务的数据库和Google维护的受损凭据进行比较。

当您使用安装了给定扩展程序的浏览器登录网站或 Web 服务时，它会将用户名和密码转换为 Argon2 哈希值^{(Argon2 hash)}。2 字节大小的Argon2^(Argon2)哈希的前缀被分区到数据库。Argon2散列 的其余部分使用椭圆曲线加密进行加密。^{(Elliptic curve encryption.)}

现在，当您使用存储的凭据登录网站时，这些凭据的强散列和加密副本将发送到其服务器。这可确保Google^(Google)无法读取您的凭据。

使用盲和私人信息检索技术，这些凭据将与数据库匹配，而不会向任何人透露凭据。

最后的检查是在计算机上本地完成的，如果凭据似乎已暴露，扩展图标会变为 红色 ^(red )，因此会提醒您更改密码。

跨账户保护

谷歌还宣布了跨帐户保护^{(Cross Account Protection)}，这是一项新功能，它将发送有关安全事件的信息，例如从实施此功能的各种网站和应用程序劫持以确保您的帐户安全。

Google列出了以下有关跨帐户保护的安全事件 -^{(Cross Account Protection-)}

• We only share the fact that the security event happened.
• We only share basic information about the event, like whether your account was hijacked, or if we forced you to log back in because of suspicious activity.
• We only share information with apps where you have logged in with Google.

让我们知道您对这些工具的看法。

Google Password Checkup Chrome extension helps secure accounts

On thе occasion оf Safer Internet Day, Google has taken the initiative to warn the netizens if any of their login credentials have been compromised on the Internet. They are doing it with an extension made exclusively for Google Chrome called Password Checkup. Today, we will be learning more about it in this article.

Google Password Checkup Chrome extension

Said Google-

“We built Password Checkup so that no one, including Google, can learn your account details. To do this, we developed privacy-protecting techniques with the help of cryptography researchers at both Google and Stanford University.”

Once you have downloaded it and installed it, you will see its icon as a Green Shield on the top right corner of the screen.

Whenever you use your credentials to log in to a particular website or a service, the extension will compare it to the database of the breached services and the compromised credentials which Google maintains.

When you use your browser with the given extension installed to log in to a website or a web service, it converts the username and password into an Argon2 hash. The prefix of the Argon2 hash of the size of 2 bytes is partitioned to the database. The rest of the part of the Argon2 hash is encrypted using the Elliptic curve encryption.

Now, when you log in to a website using the stored credentials, a strongly hashed and encrypted copy of those credentials to their servers. This ensures that your credentials cannot be read by Google.

Using the blinding and private information retrieval technique, these credentials will be matched with the database without revealing the credentials to anyone.

The final check is done locally on the computer and if the credentials seem to be exposed, the extension icon turns to red and hence you are alerted to change your password.

Cross Account Protection

Google has also announced Cross Account Protection, a new feature which will send information about security events like hijacking from various websites and apps that have implemented this feature to keep your account safe.

Google lists the following security events regarding Cross Account Protection-

• We only share the fact that the security event happened.
• We only share basic information about the event, like whether your account was hijacked, or if we forced you to log back in because of suspicious activity.
• We only share information with apps where you have logged in with Google.

Let us know what you think of these tools.

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