libssh2C语言 SSH2 函数库

libssh2是一个C 函数库，用来实现SSH2协议。

主要功能：

• 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