about crypt md5 password

[luisa]

hello friends i need help to change crypt of password from md5 to sha1 can you help me and what files need to change ?

thanks

[luisfer91]

If you want to do something similar you will have to keep the old passwords for old users, so when a user that registered when the system used md5 you will have to check if the new password field is empty (if so and he logs in) migrate the password to the new system. As you will not be able to reverse md5 passwords.
Another option is that you keep using md5 and add the sha1 hash to it, so you would be using both systems.
You will have to edit login.php and register.php files.

[luisa]

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thank you brother