diff --git a/src/main/java/ru/soune/nocopy/configuration/security/SecurityConfig.java b/src/main/java/ru/soune/nocopy/configuration/security/SecurityConfig.java
index 7fd7b77..c4db447 100644
--- a/src/main/java/ru/soune/nocopy/configuration/security/SecurityConfig.java
+++ b/src/main/java/ru/soune/nocopy/configuration/security/SecurityConfig.java
@@ -25,7 +25,7 @@ public class SecurityConfig {
                 .sessionManagement(session ->
                         session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
                 .authorizeHttpRequests(auth -> auth
-                        .requestMatchers("api/v{version}/files/public-download/**").permitAll()  // логин, регистрация
+                        .requestMatchers("api/v{version}/files/public-download/**").permitAll()
                         .requestMatchers("/api/files/public/**").permitAll()
                         .requestMatchers("/api/auth/**").permitAll()
                         .requestMatchers("/api/file/link/**").permitAll()
diff --git a/src/main/java/ru/soune/nocopy/util/JwtUtil.java b/src/main/java/ru/soune/nocopy/util/JwtUtil.java
index 42aa317..dd3387a 100644
--- a/src/main/java/ru/soune/nocopy/util/JwtUtil.java
+++ b/src/main/java/ru/soune/nocopy/util/JwtUtil.java
@@ -10,8 +10,6 @@ import org.springframework.stereotype.Component;
 import javax.crypto.SecretKey;
 import java.nio.charset.StandardCharsets;
 import java.util.Date;
-import java.util.HashMap;
-import java.util.Map;
 
 @Component
 public class JwtUtil {
@@ -22,53 +20,44 @@ public class JwtUtil {
     @Value("${jwt.expiration:3600000}")
     private Long expiration;
 
+
     private SecretKey getSigningKey() {
         return Keys.hmacShaKeyFor(secret.getBytes(StandardCharsets.UTF_8));
     }
 
     public String generateToken(Long userId, String email) {
-        Map<String, Object> claims = new HashMap<>();
-        claims.put("userId", userId);
-        claims.put("email", email);
-
         return Jwts.builder()
-                .setClaims(claims)
                 .setSubject(email)
+                .claim("userId", userId)
                 .setIssuedAt(new Date())
                 .setExpiration(new Date(System.currentTimeMillis() + expiration))
-                .signWith(getSigningKey())
+                .signWith(getSigningKey(), SignatureAlgorithm.HS256)
                 .compact();
     }
 
+    public Claims extractClaims(String token) {
+        return Jwts.parser()
+                .setSigningKey(getSigningKey())
+                .build()
+                .parseClaimsJws(token)
+                .getBody();
+    }
 
     public String extractEmail(String token) {
-        return extractAllClaims(token).getSubject();
+        return extractClaims(token).getSubject();
     }
 
     public Long extractUserId(String token) {
-        return extractAllClaims(token).get("userId", Long.class);
+        return extractClaims(token).get("userId", Long.class);
     }
 
-    public String extractRole(String token) {
-        return extractAllClaims(token).get("role", String.class);
+    public boolean isTokenExpired(String token) {
+        return extractClaims(token).getExpiration().before(new Date());
     }
 
-    public Date extractExpiration(String token) {
-        return extractAllClaims(token).getExpiration();
-    }
-
-    private Claims extractAllClaims(String token) {
-        return Jwts.parser()
-                .verifyWith(getSigningKey())
-                .build()
-                .parseSignedClaims(token)
-                .getPayload();
-    }
-
-    public Boolean validateToken(String token) {
+    public boolean validateToken(String token) {
         try {
-            extractAllClaims(token);
-            return !extractExpiration(token).before(new Date());
+            return !isTokenExpired(token);
         } catch (Exception e) {
             return false;
         }