diff --git a/src/Factory.php b/src/Factory.php
index 52205ac..d229d38 100644
--- a/src/Factory.php
+++ b/src/Factory.php
@@ -15,7 +15,7 @@ class Factory
 {
     public function __construct(
         private PersistenceInterface $db,
-        private RequestInterface $ri,
+        private RequestInterface $request,
         private null|SessionInterface $session,
         private null|\PSR\Clock\ClockInterface $csrfClock,
         private null|AntiCSRFInterface $csrf,
@@ -35,15 +35,15 @@ class Factory
 
     public function userManagement(mixed $userIndex): UserManagement
     {
-        return new UserManagement($this->db, $this->ri, $this->csrf, $this->session, $userIndex);
+        return new UserManagement($this->db, $this->request, $this->csrf, $this->session, $userIndex);
     }
 
-    public function authenticate(mixed $userIndex): null|Authenticate
+    public function authenticate(mixed $userIndex): ?Authenticate
     {
         if(\is_null($this->db->getSecret($userIndex)))
             return null;
         else
-            return new Authenticate($this->db, $this->ri, $this->csrf, $this->session, $userIndex);
+            return new Authenticate($this->db, $this->request, $this->csrf, $this->session, $userIndex);
     }
 }
 
diff --git a/src/Hash/HMAC_SHA1.php b/src/Hash/HMAC_SHA1.php
index 27d8767..05b7b5f 100644
--- a/src/Hash/HMAC_SHA1.php
+++ b/src/Hash/HMAC_SHA1.php
@@ -6,16 +6,16 @@ use ParagonIE\ConstantTime\Base32;
 
 class HMAC_SHA1 implements HashInterface
 {
-    DEFAULT_SECRET_SIZE = 32;
-    public function hash(string $k, string $v): string
+    const DEFAULT_SECRET_SIZE = 32;
+    public function hash(string $key, string $val): string
     {
-        $key = Base32::decode($k)
-        return \hash_hmac("sha1", \hex2bin($v), $key, true);
+        $key = Base32::decode($key);
+        return \hash_hmac("sha1", \hex2bin($val), $key, true);
     }
 
-    public function hashNumeric(string $k, int $v): string
+    public function hashNumeric(string $key, int $val): string
     {
-        return $this->hash($k, \dechex($v));
+        return $this->hash($key, \dechex($val));
     }
 
     public function hashType(): string
diff --git a/src/Session/Base.php b/src/Session/Base.php
index 0878e6c..0d3d50a 100644
--- a/src/Session/Base.php
+++ b/src/Session/Base.php
@@ -15,9 +15,9 @@ class Base implements SessionInterface
         return session_status() === PHP_SESSION_ACTIVE;
     }
 
-    public function tryStore(string $k, mixed $val): bool
+    public function tryStore(string $key, mixed $val): bool
     {
-        $key = $this->ns($k);
+        $key = $this->ns($key);
         if (!isset($_SESSION[$key]))
         {
             $_SESSION[$key] = $val;
diff --git a/src/Workflow/Authenticate.php b/src/Workflow/Authenticate.php
index 9af1021..49a4e2a 100644
--- a/src/Workflow/Authenticate.php
+++ b/src/Workflow/Authenticate.php
@@ -12,7 +12,7 @@ class Authenticate implements WorkflowInterface
 {
     public function __construct(
         private PersistenceInterface $db,
-        private RequestInterface $ri,
+        private RequestInterface $request,
         private AntiCSRFInterface $csrf,
         private SessionInterface $session,
         private mixed $userIndex,
@@ -49,14 +49,14 @@ class Authenticate implements WorkflowInterface
             return false;
         }
 
-        $p_uri = $this->db->getSecret($this->userIndex);
+        $pUri = $this->db->getSecret($this->userIndex);
 
         $totp = _6238(
-            $p_uri.secret,
-            $p_uri.period,
+            $pUri.secret,
+            $pUri.period,
             $this->db->getLastTime($this->userIndex),
             2,
-            $p_uri.digits,
+            $pUri.digits,
             $this->clock,
             $this->hash
         );
diff --git a/src/Workflow/UserManagement.php b/src/Workflow/UserManagement.php
index 7463da4..953bd55 100644
--- a/src/Workflow/UserManagement.php
+++ b/src/Workflow/UserManagement.php
@@ -14,7 +14,7 @@ class UserManagement implements WorkflowInterface
 {
     public function __construct(
         private PersistenceInterface $db,
-        private RequestInterface $ri,
+        private RequestInterface $request,
         private AntiCSRFInterface $csrf,
         private SessionInterface $session,
         private mixed $userIndex,
@@ -78,10 +78,7 @@ class UserManagement implements WorkflowInterface
         {
             $this->viewEnrollForm();
         }
-        else
-        {
-            $this->viewUnenrollForm();
-        }
+        $this->viewUnenrollForm();
     }
 
     function response(): bool
@@ -91,25 +88,25 @@ class UserManagement implements WorkflowInterface
             return false;
         }
 
-        $p_uri = $this->db->getSecret($this->userIndex);
-        $enroll_flag = \is_null($p_uri);
-        $enroll_flag && $enroll_flag = $this->session->get('secret');
+        $pUri = $this->db->getSecret($this->userIndex);
+        $enrollFlag = \is_null($pUri);
+        $enrollFlag && $enrollFlag = $this->session->get('secret');
 
         $totp = _6238(
-            $p_uri.secret,
-            $p_uri.period,
-            $enroll_flag? 0:$this->db->getLastTime($this->userIndex),
+            $pUri.secret,
+            $pUri.period,
+            $enrollFlag? 0:$this->db->getLastTime($this->userIndex),
             2,
-            $p_uri.digits,
+            $pUri.digits,
             $this->clock,
             $this->hash
         );
         $flag = $totp.validate($this->ri->getResp("totp_challenge"));
 
-        if($flag && $enroll_flag)
+        if($flag && $enrollFlag)
         {
             $this->db->storeLastTime($this->userIndex, $flag);
-            $this->db->storeSecret($this->userIndex, $p_uri);
+            $this->db->storeSecret($this->userIndex, $pUri);
             return true;
         }
         else if($flag)