BCrypt in Java

Configure pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>NilPointer</groupId>
	<artifactId>NilPointer</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<dependencies>
		<dependency>
			<groupId>org.mindrot</groupId>
			<artifactId>jbcrypt</artifactId>
			<version>0.4</version>
		</dependency>
	</dependencies>
</project>

Run Application

package nilpointer.net;

import org.mindrot.jbcrypt.BCrypt;

public class Demo {

	public static void main(String[] args) {

		String password = "abc123";

		String hash = BCrypt.hashpw(password, BCrypt.gensalt());
		System.out.println("hash: " + hash);

		String s1 = "def";
		boolean result1 = BCrypt.checkpw(s1, hash);
		System.out.println("result 1: " + result1);
		
		String s2 = "abc123";
		boolean result2 = BCrypt.checkpw(s2, hash);
		System.out.println("result 2: " + result2);

	}

}

Output

hash: $2a$10$6Rtp4bITsnR6TlSCjGl1Q.lVhWAWvOM2ppw5JKGHSJ4P/DN0so10m
result 1: false
result 2: true