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Safest password encryption


Hazukiy

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I would say that 12 rounds of blowfish with a salt generated by openssl_pseudo_random_bytes or mcrypt_create_iv for strong entropy should work fine... But remember. Nothing is stronger than its weakest link. So don't forget to enforce good password rules as well

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this is my way

public function cleared($data)
      {
	  $data = trim(htmlentities(strip_tags($data)));
	    if(get_magic_quotes_gpc())
	      {
		$data = stripslashes($data);
		$data = mysql_real_escape_string($data);
	      }
	return $data;
       }

public function set_post()
       {
	 foreach($_POST as $key => $values)
	     {
		$my_POST[$key] = $this->cleared($values);
	     }
	
       }

    $pass = $this->set_post(substr(sha1($this->set_post->$my_POST['pass']),18,7);

public function login_()
       {

	$cheked_user->set_result("SELECT pass FROM tbl_user_ WHERE pass = '$pass'");

       }

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You should ask yourself what the kind of security you need. You can do whatever you want, adding hashes and encryptions as many times as you like: but does it add value?

 

I would use the PHP function crypt().

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You should ask yourself what the kind of security you need. You can do whatever you want, adding hashes and encryptions as many times as you like: but does it add value?

 

I would use the PHP function crypt().

 

Ah ok, thanks.

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This is what I use:

 

0. Sanitise input. addslashes() or whatever you like. If someone would like HTML code as password - why not?

1. Generate a salt, with something like $salt = hash('sha256', microtime());

2. Add salt to the chosen password. $password = $input_password.$salt;

3. Hash it. $pass_hash = hash('sha256', $password);

4. Store $pass_hash and $salt.

 

Hashing protects you if someone dumps your user database. Don't forget the UNENCRYPTED TRANSFER of password...  webmasters normally ignores the importance of buying a valid SSL certificate.

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