Java: InvalidAlgorithmParameterException Prime size must be multiple of 64

Question

I implemented a Java program that will connect and execute a command in a remote server using JSCH. The problem is that whenever I tried to connect to the server, I got the

Answer 1

My solution to this problem was putting in the first line of my main method the following:

public static void main(String[] args) {
    Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
    ...
}

If you are using Spring you can add instead:

@Configuration
public class AppConfig {
    @PostConstruct
    public void init(){
        Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
    }
}