It is a Multi-Release-jar . To use advanced features like ssh-ed25519 , you must use at least Java 15 or add the Bouncy Castle provider to your classpath.
The primary source for the jsch-0.2.1.jar download and its associated POM and Javadoc files. jsch-0.2.1.jar download
Use the MVN JSch 0.2.1 page to find dependency snippets for various build tools like Maven, Gradle, and Ivy. Why Version 0.2.1? It is a Multi-Release-jar
Complete Guide to Downloading and Using jsch-0.2.1.jar The file is a critical component for Java developers who need to implement secure network communications. As a pure Java implementation of SSH2 , it allows your applications to connect to SSH servers, manage port forwarding, and perform secure file transfers via SFTP or SCP. Use the MVN JSch 0
This specific version, , is part of the mwiede fork of the original JSch library. While the original JCraft JSch (v0.1.55) has not been updated since 2018 and lacks support for modern, secure algorithms, the mwiede fork is actively maintained to address modern security requirements. Where to Download jsch-0.2.1.jar
Add the following snippet to your pom.xml file to automatically download and include the library: Maven Repositoryhttps://mvnrepository.com com.github.mwiede » jsch » 0.2.1 - Maven Repository
Supports newer SSH ciphers and algorithms like ssh-ed25519 , chacha20-poly1305 , and rsa-sha2-512 that the original library lacks.