JSch A free, open source and pure Java implementation of SSH2
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develop connect daemon ssh connection ssh2 development ssh daemon

JSch Description

A free, open source and pure Java implementation of SSH2 JSch allows you to connect to an sshd server and use port forwarding, X11 forwarding, file transfer, etc., and you can integrate its functionality into your own Java programs.Needless to say, SSH provides support for secure file transfer, secure remote login, and secure TCP/IP and X11 forwarding. It can automatically encrypt, authenticate, and compress transmitted data. The SSH protocol is available in two incompatible varieties: SSH1 and SSH2. SSH2 was invented to avoid the patent issues regarding RSA (RSA patent has expired), and to fix some data integrity problem that SSH1 has, and for a number of other technical reasons. SSH2 protocol has been standardized on IETF Secure Shell working group and drafts related to SSH2 protocol are available on the web. Here are some key features of "JSch": · JSch is in pure Java, but it depends on JavaTM Cryptography Extension (JCE). JSch is know to work with: · J2SE 1.4.0 or later (no additional libraries required). · J2SE 1.3 and Sun's JCE reference implementation that can be obtained at http://java.sun.com/products/jce/. · J2SE 1.2.2 and later and Bouncycastle's JCE implementation that can be obtained at http://www.bouncycastle.org/. · SSH2 protocol support. · Key exchange: diffie-hellman-group-exchange-sha1, diffie-hellman-group1-sha1 · Cipher: blowfish-cbc, 3des-cbc, aes128-cbc,aes192-cbc,aes256-cbc · MAC: hmac-md5, hmac-sha1, hmac-md5-96, hmac-sha1-96 · Host key type: ssh-dss,ssh-rsa · Userauth: password · Userauth: publickey(DSA,RSA) · Userauth: keyboard-interactive · Userauth: gss-api-with-mic · X11 forwarding · xauth spoofing · connection through HTTP proxy. · connection through SOCKS5 proxy. · port forwarding. · stream forwarding. · signal sending. The unofficial patch for sshd of openssh will be found in this thread. · envrironment variable passing. · remote exec. · generating DSA and RSA key pairs. · changing the passphrase for a private key. · partial authentication · SSH File Transfer Protocol(version 0, 1, 2, 3) · packet compression: zlib, zlib@openssh.com JZlib has been used. · hashed known_hosts file. · NONE Cipher switching. High Performace Enabled SSH/SCP supports NONE Cipher switching. Refer to ScpToNoneCipher.java. What's New in This Release: · bugfix: canceling the remote port-forwarding with the incorrect bind-address. · bugfix: sftp had missed to close the file in some case. · bugfix: ls(sftp) will throw an exception for the empty directory in connecting to some sftpd server. · change: dropping the session gently in accepting incorrect packets. · change: by the default, aes128-ctr will be chosen if it is available on the local and the remote. · feature: adding the support for the private key ciphered in AES256. · feature: new ciphers: aes128-ctr,aes192-ctr,aes256-ctr, 3des-ctr,arcfour,arcfour128 ,arcfour256

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