added hashing to registering new user

183_12_1_tresorbackend_rupe-master/pom.xml

@@ -66,6 +66,28 @@
             <artifactId>jasypt-spring-boot-starter</artifactId>
             <version>3.0.5</version>
         </dependency>
+
+        <!-- Bouncy Castle for secure hashing and random salt generation -->
+        <dependency>
+            <groupId>org.bouncycastle</groupId>
+            <artifactId>bcprov-jdk18on</artifactId>
+            <version>1.76</version>
+        </dependency>
+
+        <!-- Spring Security for password encoding (bcrypt) -->
+        <dependency>
+            <groupId>org.springframework.security</groupId>
+            <artifactId>spring-security-crypto</artifactId>
+            <version>6.1.2</version>
+        </dependency>
+
+        <!-- Apache Commons Codec for encoding (like Base64) -->
+        <dependency>
+            <groupId>commons-codec</groupId>
+            <artifactId>commons-codec</artifactId>
+            <version>1.16.0</version>
+        </dependency>
+
     </dependencies>
 
     <build>

183_12_1_tresorbackend_rupe-master/src/main/java/ch/bbw/pr/tresorbackend/controller/UserController.java

@@ -81,12 +81,15 @@ public class UserController {
         System.out.println("UserController.createUser, password validation passed");
 
         //transform registerUser to user
+        String salt = PasswordEncryptionService.generateSalt();
+
         User user = new User(
                 null,
                 registerUser.getFirstName(),
                 registerUser.getLastName(),
                 registerUser.getEmail(),
-            passwordService.hashPassword(registerUser.getPassword())
+                passwordService.hashPassword(registerUser.getPassword(), salt),
+                salt
         );
 
         User savedUser = userService.createUser(user);

183_12_1_tresorbackend_rupe-master/src/main/java/ch/bbw/pr/tresorbackend/model/User.java

@@ -32,4 +32,7 @@ public class User {
 
    @Column(nullable = false)
    private String password;
+
+   @Column(nullable = false)
+   private String salt;
 }

183_12_1_tresorbackend_rupe-master/src/main/java/ch/bbw/pr/tresorbackend/service/PasswordEncryptionService.java

@@ -1,21 +1,37 @@
 package ch.bbw.pr.tresorbackend.service;
 
+import lombok.Value;
+import org.bouncycastle.util.encoders.Hex;
+import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.stereotype.Service;
 
+import java.security.SecureRandom;
+
 /**
  * PasswordEncryptionService
+ *
  * @author Peter Rutschmann
  */
 @Service
 public class PasswordEncryptionService {
-   //todo ergänzen!
 
     public PasswordEncryptionService() {
         //todo anpassen!
     }
 
-   public String hashPassword(String password) {
-      //todo anpassen!
-      return password;
+    public static String generateSalt() {
+        byte[] salt = new byte[5];
+        new SecureRandom().nextBytes(salt);
+        return Hex.toHexString(salt);
+    }
+
+    public String hashPassword(String password, String salt) {
+        BCryptPasswordEncoder encoder = new BCryptPasswordEncoder();
+        String pepper = new PepperService().getPepper();
+
+        return encoder.encode(pepper + password );
     }
 }
+
+record PasswordBean(String hashedPassword, String Salt) {
+}

183_12_1_tresorbackend_rupe-master/src/main/java/ch/bbw/pr/tresorbackend/service/PepperService.java

@@ -0,0 +1,19 @@
+package ch.bbw.pr.tresorbackend.service;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+@Component
+public class PepperService {
+
+    @Value("${pepper}")
+    private String pepper;
+
+    public String getPepper() {
+        return pepper;
+    }
+
+    public void printPepper() {
+        System.out.println("Pepper value: " + pepper);
+    }
+}

183_12_1_tresorbackend_rupe-master/src/main/resources/application.properties

@@ -9,3 +9,5 @@ spring.jpa.properties.hibernate.dialect=org.hibernate.dialect.MySQLDialect
 spring.jpa.hibernate.ddl-auto=update
 
 CROSS_ORIGIN=http://localhost:3000
+
+pepper=VfQqM