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PhpMyAdmin, MySQL [duplicate](PhpMyAdmin,MySQL[重复])

转载 作者:bug小助手 更新时间:2023-10-24 18:30:14 26 4
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Is it possible to decrypt varchar(191)?

有可能解密varchar(191)吗?


As when I access MySql from PhpMyAdmin and wanted to change user password from there then it shows varchar(191) beside the password and it is written in some types of Encryption like $2y$10$cp1BPpWTBq8kMWvyOxXjduOPhT68YHEYfj37zDLOLLY10oimc5dQG

因为当我从PhpMyAdmin访问MySQL并想从那里更改用户密码时,它在密码旁边显示varchar(191),并且它是以某些类型的加密(如$2y$10$cp1BPpWTBq8kMWvyOxXjduOPhT68YHEYfj37zDLOLLY10oimc5dQG)编写的


Please can someone give me a text with varchar(191) as an example?

有人能给我一篇以varchar(191)为例的文本吗?


更多回答

You'd need to change the password using the exact same encryption scheme (algorithm, salt, etc) as the application that set it in the first place in order for that application to be able to use it in the future.

您需要使用与最初设置密码的应用程序完全相同的加密方案(算法、SALT等)来更改密码,以便该应用程序将来能够使用它。

优秀答案推荐

In MySQL, when you see a password stored as varchar(191) and it looks like this: "$2y$10$cp1BPpWTBq8kMWvyOxXjduOPhT68YHEYfj37zDLOLLY10oimc5dQG," it's likely that the password has been hashed and possibly salted using the bcrypt algorithm. This is a common practice for storing passwords securely in databases.

在MySQL中,当您看到一个存储为varchar(191)的密码时,它看起来是这样的:“$2y$10$cp1BPpWTBq8kMWvyOxXjduOPhT68YHEYfj37zDLOLLY10oimc5dQG,”密码很可能已经被散列,并且可能已经使用bcrypt算法进行了盐化。这是在数据库中安全存储密码的常见做法。


You cannot directly decrypt a bcrypt hash to retrieve the original password. Instead, you would typically compare a user's input (e.g., when they log in) to the stored bcrypt hash by hashing their input with the same algorithm and comparing the resulting hash to the one stored in the database. If they match, the provided password is correct.

您不能通过直接解密bcrypt哈希来检索原始密码。相反,您通常会将用户的输入(例如,当他们登录时)与存储的bcrypt散列进行比较,方法是使用相同的算法对他们的输入进行散列,并将得到的散列与数据库中存储的散列进行比较。如果匹配,则提供的密码正确。


Here's an example of how to verify a password using PHP and the password_verify() function:

以下是如何使用PHP和Password_Verify()函数验证密码的示例:


// The stored hash in the database
$storedHash = "$2y$10$cp1BPpWTBq8kMWvyOxXjduOPhT68YHEYfj37zDLOLLY10oimc5dQG";

// User's input password
$userPassword = "user_input_password";

// Verify the password
if (password_verify($userPassword, $storedHash)) {
echo "Password is correct!";
} else {
echo "Password is incorrect!";
}

This code will verify if the user-provided password matches the stored bcrypt hash. If they match, it means the user has provided the correct password.

此代码将验证用户提供的密码是否与存储的bcrypt散列匹配。如果匹配,则表示用户提供了正确的密码。


It's important to note that bcrypt hashes are one-way functions, meaning they cannot be reversed to reveal the original password. This is a security feature that helps protect user passwords even if the database is compromised.

重要的是要注意,bcrypt散列是单向函数,这意味着它们不能被反转以揭示原始密码。这是一种安全功能,即使数据库遭到破坏,它也可以帮助保护用户密码。


更多回答

This looks like something Chat GPT would write

这看起来像是聊天GPT会写的东西

Well you might think it as Chat gpt , but I do posses knowledge in MySQL and Php and I have also came across a similar situation , so this is from where i got the answer .

你可能会认为这是聊天GPT,但我确实掌握了MySQL和PHP的知识,我也遇到过类似的情况,所以这就是我得到答案的地方。

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