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From Libssh2

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About

libssh2 is a library implementing the SSH2 protocol as defined by Internet Drafts: SECSH-TRANS, SECSH-USERAUTH, SECSH-CONNECTION, SECSH-ARCH, SECSH-FILEXFER, SECSH-DHGEX, SECSH-NUMBERS, and SECSH-PUBLICKEY.

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Dependencies

  • Either OpenSSL or libgcrypt: Required (the newer the better)
  • zlib: Optional Provides zlib compression if present
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Capabilities

  • 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**

** - Affected by build time ./configure options. See INSTALL file for more information.

  • 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)
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Support

  • mail: The main place to take issues, discuss development or ask about how to use libssh2 is the libssh2-devel mailing list. (Archives of previous posts by SF and Daniel)
  • IRC: irc.freenode.org #libssh2
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Roadmap

  • We don't really have one (anymore). The focus is now to make libssh2 stable and fast for what it is trying to already do.
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License

  • libssh2: BSD License
  • libssh2 Documentation: Open Publication License
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Credits

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Projects Using libssh2

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Disclaimers

  • This library is not related to, derived from, or meant to supersede libssh by Aris Adamantiadis. They are different projects using different code bases.
  • While OpenSSH is used as the primary compatibility testbed while working on this project, the makers of OpenSSH have made no statement endorsing this library.
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