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-rw-r--r--plugins/password/config.inc.php.dist5
-rw-r--r--plugins/password/drivers/ldap.php8
-rw-r--r--plugins/password/drivers/sql.php6
3 files changed, 15 insertions, 4 deletions
diff --git a/plugins/password/config.inc.php.dist b/plugins/password/config.inc.php.dist
index 94c4368fe..cf021020f 100644
--- a/plugins/password/config.inc.php.dist
+++ b/plugins/password/config.inc.php.dist
@@ -95,6 +95,11 @@ $config['password_hash_algorithm'] = 'sha1';
// as hex string or in base64 encoded format.
$config['password_hash_base64'] = false;
+// Iteration count parameter for Blowfish-based hashing algo.
+// It must be between 4 and 31. Default: 12.
+// Be aware, the higher the value, the longer it takes to generate the password hashes.
+$config['password_blowfish_cost'] = 12;
+
// Poppassd Driver options
// -----------------------
diff --git a/plugins/password/drivers/ldap.php b/plugins/password/drivers/ldap.php
index ac2ea3bd3..c18ff0f06 100644
--- a/plugins/password/drivers/ldap.php
+++ b/plugins/password/drivers/ldap.php
@@ -259,8 +259,12 @@ class rcube_ldap_password
return false;
}
- /* Hardcoded to second blowfish version and set number of rounds */
- $crypted_password = '{CRYPT}' . crypt($password_clear, '$2a$12$' . self::random_salt(13));
+ $rcmail = rcmail::get_instance();
+ $cost = (int) $rcmail->config->get('password_blowfish_cost');
+ $cost = $cost < 4 || $cost > 31 ? 12 : $cost;
+ $prefix = sprintf('$2a$%02d$', $cost);
+
+ $crypted_password = '{CRYPT}' . crypt($password_clear, $prefix . self::random_salt(22));
break;
case 'md5':
diff --git a/plugins/password/drivers/sql.php b/plugins/password/drivers/sql.php
index ab348ddac..37e162e22 100644
--- a/plugins/password/drivers/sql.php
+++ b/plugins/password/drivers/sql.php
@@ -66,8 +66,10 @@ class rcube_sql_password
$len = 2;
break;
case 'blowfish':
- $len = 22;
- $salt_hashindicator = '$2a$';
+ $cost = (int) $rcmail->config->get('password_blowfish_cost');
+ $cost = $cost < 4 || $cost > 31 ? 12 : $cost;
+ $len = 22;
+ $salt_hashindicator = sprintf('$2a$%02d$', $cost);
break;
case 'sha256':
$len = 16;