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[feature/passwords] Add method for obtaining the hash settings only

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This is needed for combined hashing of passwords.

PHPBB3-11610
This commit is contained in:
Marc Alexander
2013-06-27 14:20:47 +02:00
parent dae4327cfc
commit 857b90057b
3 changed files with 38 additions and 0 deletions
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18
phpBB/includes/crypto/driver/bcrypt.php
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@@ -87,4 +87,22 @@ class phpbb_crypto_driver_bcrypt extends phpbb_crypto_driver_base
{
return $this->helper->hash_encode64($this->helper->get_random_salt(22), 22);
}
/**
* @inheritdoc
*/
public function get_settings_only($hash, $full = false)
{
if ($full)
{
$pos = stripos($hash, '$', 1) + 1;
$length = 22 + (strripos($hash, '$') + 1 - $pos);
}
else
{
$pos = strripos($hash, '$') + 1;
$length = 22;
}
return substr($hash, $pos, $length);
}
}