• JWT (JSON Web Token) is a commonly used method for token-based authentication and authorization in web applications. In Spring Boot, you can validate and check JWT tokens using various libraries.

  • To validate JWT tokens in Spring Boot, you can use the jjwt library. This library allows you to parse, verify, and generate JWT tokens in your application.

    dipendancy

      <dependency>
      	<groupId>io.jsonwebtoken</groupId>
      	<artifactId>jjwt-api</artifactId>
      	<version>0.11.5</version>
      </dependency>
    
      <dependency>
      	<groupId>io.jsonwebtoken</groupId>
      	<artifactId>jjwt-impl</artifactId>
      	<version>0.11.5</version>
      	<scope>runtime</scope>
      </dependency>
    
      <dependency>
      	<groupId>io.jsonwebtoken</groupId>
      	<artifactId>jjwt-gson</artifactId>
      	<version>0.11.5</version>
      	<scope>runtime</scope>
      </dependency>
    
      <dependency>
      	<groupId>junit</groupId>
      	<artifactId>junit</artifactId>
      	<version>4.13.2</version>
      	<scope>compile</scope>
      </dependency>
    
      <dependency>
      	<groupId>com.nimbusds</groupId>
      	<artifactId>nimbus-jose-jwt</artifactId>
      	<version>9.10</version>
      </dependency>