how to encrypt password in properties file in spring boot
To encrypt a password in a properties file in a Spring Boot application, you can follow these steps:
Step 1: Add Dependencies
Add the necessary dependencies to your pom.xml
file to use Spring Security and the required encryption libraries. For example, you can add the following dependencies:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-security</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-crypto</artifactId>
</dependency>
Step 2: Configure Encryption Algorithm In your application.properties or application.yml file, configure the encryption algorithm to be used for password encryption. You can specify it like this:
spring.security.user.password={bcrypt}$2a$10$yourBCryptHash
Replace {bcrypt}$2a$10$yourBCryptHash
with the actual encrypted password. You can use a BCrypt encoder to generate this hash.
Step 3: Generate BCrypt Hash You can use a BCryptPasswordEncoder to generate a BCrypt hash for your password. You can do this in your Spring Boot application's configuration class. For example:
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
@Configuration
public class SecurityConfig {
@Bean
public BCryptPasswordEncoder passwordEncoder() {
return new BCryptPasswordEncoder();
}
}
Step 4: Encrypt the Password Now, you can encrypt your plain text password using the BCryptPasswordEncoder bean you created in the previous step. For example:
import org.springframework.security.crypto.password.PasswordEncoder;
public class PasswordEncryptionService {
private final PasswordEncoder passwordEncoder;
public PasswordEncryptionService(PasswordEncoder passwordEncoder) {
this.passwordEncoder = passwordEncoder;
}
public String encryptPassword(String plainTextPassword) {
return passwordEncoder.encode(plainTextPassword);
}
}
Step 5: Use the Encrypted Password Finally, use the encrypted password in your application.properties or application.yml file as mentioned in Step 2.
That's it! You've configured password encryption for a Spring Boot application using BCrypt.