如何解密php中的哈希密码?用password_hash()方法散列的密码 [英] How to decrypt the hashed password in php ? password hashed with password_hash() method

问题描述

我想解密通过php的password_hash()方法加密的加密密码.

I want to decrypt the encrypted password that is encrypted by php's password_hash() method.

<?php

    $password = 12345;
    $hashed_password = password_hash($password, PASSWORD_DEFAULT);

?>

在上面的代码中，我想将 $ hashed_pa​​ssword 解密为 12345 .我该怎么办.

in above code i want to decrypt $hashed_password to 12345. how can i do it.

推荐答案

您不需要

所使用的算法，成本和费用作为哈希的一部分返回.因此，验证散列所需的所有信息是包含在其中.这允许password_verify()函数进行验证散列，不需要为salt或算法单独存储信息.

The used algorithm, cost and salt are returned as part of the hash. Therefore, all information that's needed to verify the hash is included in it. This allows the password_verify() function to verify the hash without needing separate storage for the salt or algorithm information.

    $passwordEnteredFirstTime = '12345';
    $passwordEnteredSecondTime = '12345';

    $passwordHash = password_hash($passwordEnteredFirstTime, PASSWORD_BCRYPT);
    $passIsValid = password_verify($passwordEnteredSecondTime, $passwordHash);
    echo $passIsValid ? 'correct password' : 'wrong password';

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