libssh2

Libssh2 implements SSH and provide a library API for apps. libssh2 supports SSH, SFTP, auth, channels etc.

[ul] Key Exchange Methods: diffie-hellman-group1-sha1, diffie-hellman-group14-sha1, diffie-hellman-group-exchange-sha1 Hostkey Types: ssh-rsa, ssh-dss Ciphers: aes256-cbc (rijndael-cbc@lysator.liu.se), aes192-cbc, aes128-cbc, 3des-cbc, blowfish-cbc, cast128-cbc, arcfour, none Compression Schemes: zlib, none MAC hashes: hmac-sha1, hmac-sha1-96, hmac-md5, hmac-md5-96, hmac-ripemd160 (hmac-ripemd160@openssh.com), none Authentication: none, password, public-key, hostbased, keyboard-interactive Channels: shell, exec (incl. SCP wrapper), direct-tcpip, subsystem Global Requests: tcpip-forward Channel Requests: x11, pty Subsystems: sftp(version 3), publickey(version 2) Thread-safe: just don't share handles simultaneously Non-blocking: it can be used both blocking and non-blocking Your sockets: the app hands over the socket, calls select() etc. OpenSSL or gcrypt: builds with either [ul].