Implementação de Criptografia da Conexão Banco de Dados PostgreSQL Dados

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>


<dependency>
  <groupId>org.postgresql</groupId>
  <artifactId>postgresql</artifactId>
  <scope>runtime</scope>
</dependency>


<dependency>
  <groupId>org.springframework.security</groupId>
  <artifactId>spring-security-crypto</artifactId>
</dependency>

spring.datasource.url=jdbc:postgresql://localhost:5432/your_db_name
spring.datasource.username=your_username
spring.datasource.password=your_password

@Entity
@Table(name = "users")
public class User {
  @Id
  @GeneratedValue(strategy = GenerationType.IDENTITY)
  private Long id;
  
  private String username;
  
  private String password;
  
  // Getters and setters for the fields
}

public interface UserRepository extends JpaRepository<User, Long> {
  User findByUsername(String username);
}

@Service
public class UserService {
  private final UserRepository userRepository;
  private final BCryptPasswordEncoder bCryptPasswordEncoder;


  public UserService(UserRepository userRepository, BCryptPasswordEncoder bCryptPasswordEncoder) {
      this.userRepository = userRepository;
      this.bCryptPasswordEncoder = bCryptPasswordEncoder;
  }


  public void saveUser(User user) {
      user.setPassword(bCryptPasswordEncoder.encode(user.getPassword()));
      userRepository.save(user);
  }
}

@Service
public class AuthService {
  private final UserRepository userRepository;
  private final BCryptPasswordEncoder bCryptPasswordEncoder;


  public AuthService(UserRepository userRepository, BCryptPasswordEncoder bCryptPasswordEncoder) {
      this.userRepository = userRepository;
      this.bCryptPasswordEncoder = bCryptPasswordEncoder;
  }


  public boolean verifyPassword(String username, String password) {
      User user = userRepository.findByUsername(username);
      return user != null

}
}

https://gist.github.com/luismendes070/d10262b48c03bdec85016ec23c0f7723

https://luismendes070.github.io/curriculo/

Referências
https://blog.jetbrains.com/idea/2021/06/livestream-summary-fixing-security-flaws-in-spring-boot-applications-using-intellij-idea-and-snyk/

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