CodeIgniter custom encrypt function

Question

In my previous project i was created a custom encryption function to login. How can i use it in CI. here is my code

function sha_password($username,$password){
$username = strtoupper($username);
$password = strtoupper($password);
return SHA1($username.':'.$password);
}

and i was called like that to get encrypted password

$password = strtoupper(sha_password($username,$password));

how can i do it to work in CI? :?

galchen · Accepted Answer · 2011-10-31 07:12:46Z

2

you can place it in various places:

a model - if you have a model for a user, $user->getEncryptedPassword();
a library - in my project i have libuser that has the encryption function, so i call it by $this->libuser->encrypt_password();
a controller (MY_Controller for example) - create a function and call it by $this->encrypt_user_password(..)
just drop it in some of the files that will always be loaded, in config or something
if you don't plan on changing it, just do $encpass = sha1(strtoupper($username.':'.$password)); although i wouldn't go there.

options 1 and 2 are most recommended

answered Oct 31, 2011 at 7:12

galchen

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5 Comments

pico Over a year ago

Yes i have. This my user model '<?php class Membership_model extends CI_Model{ function sha_password($username,$password){ $username = strtoupper($username); $password = strtoupper($password); return SHA1($username.':'.$password); } function validate(){ $this->db->where('username',$this->input->post('username')); $this->db->where('sha_pass_hash',$this->input->post('password')); $query = $this->db->get('account'); if($query->num_rows == 1){ return TRUE; } } }' i don't know how to use sha_password function ooz of i'm newbie in CI. Btw thanks for your answer

galchen Over a year ago

in your case, in order to call the sha_password() method, you need an instance of Membership_model ($m->sha_password()), or you could make this method static (Membership_model::sha_password()). either that, or create a library with this function

pico Over a year ago

when i use like that i got a fatal error call to undifined function 'function validate(){ $this->db->where('username',$this->input->post('username')); $this->db->where('sha_pass_hash',sha_password($this->input->post('password'))); $query = $this->db->get('account'); if($query->num_rows == 1){ return TRUE; } }' how can i use it?

pico Over a year ago

here is my controller to validate 'function validate_credentials(){ $this->load->model('membership_model'); $query = $this->membership_model->validate(); //if the user's credentials validated.... if($query){ $data = array( 'username' => $this->input->post('username'), 'is_logged_in' => true ); $this->session->set_userdata($data); redirect('site/members_area'); }else{ //if not validate login page again $this->index(); } }'

galchen Over a year ago

i did not understand where you placed it. did you put it in the model? if so, within the model you can call it by $this->sha_password() and outside the model, you need the instance, ie $m->sha_password(). i think where you're going is $this->membership_model->sha_password()

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