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How to implement temporary password logic?

I want to implement a logic similar to what some of the websites do, as they ask for your email address and send you a link to that email address when you click on this link that you redirect to home and provide a temporary password which expires and asks you to set a new password.

I am interested in understanding the logic of generating temporary passwords, storing them, maintaining their security, and expiring them. I have no language preference. but I am well versed in java and php examples. please suggest.

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2 answers

- MD5 , .

$name = "sushil bharwani";
$email = "sushil@example.com";
$pass = md5($name . $email);

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Source: https://habr.com/ru/post/1771138/

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