Draft:Libssh

Submission declined on 1 November 2024 by Qcne (talk).

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Declined by Qcne 19 days ago. Last edited by Theroadislong 19 days ago. Reviewer: Inform author.

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Comment: We need significant coverage in multiple independent sources. Qcne (talk) 21:41, 1 November 2024 (UTC)

libssh (Library SSH - "Library for Secure Shell") is a library written in C designed to implement the SSH (Secure Shell) protocol. This framework provides developers with the ability to integrate SSH protocol functions into their applications, ensuring data transmission and command execution.

One of the key features of libssh is its support for various authentication methods, including passwords, keys, and GSSAPI protocol authentication. This allows for the creation of more secure applications that meet the requirements of modern RFC standards. The library also supports both client and server functions, making it a solution for various use cases.

Technical information about the library

libssh supports both SSH-1 and SSH-2, with an emphasis on using SSH-2. The library provides an API for establishing connections, authentication (passwords, keys), executing remote commands, transferring files via SCP and SFTP, as well as for tunneling and proxying. Libssh is cross-platform and works on Linux, Windows, and macOS. It is distributed under the LGPL license and is actively updated to address vulnerabilities. The documentation includes usage examples and integration instructions.

The library supports asynchronous operations, performing non-blocking calls and improving performance when working with network connections. It also includes mechanisms for session management, error handling, and working with various encryption and hashing algorithms, such as AES, ChaCha20, SHA-2, and others. Additionally, libssh provides the ability to use agent forwarding for authentication with an SSH agent. The library has a modular architecture that extends its functionality through plugins.

History

libssh was created in the early 2000s to provide developers with a convenient tool for working with the SSH protocol. The first version of the library was released in 2006. Development began due to the need for a more lightweight and flexible library that could support both client and server SSH functions. Over time, the library evolved, adding new features and improving performance, as well as providing support for various operating systems. The project is open-source, allowing the community to contribute to its development.

Companies using the library

KDE: In its environment, KDE uses libssh for the SFTP module, allowing secure file transfers between computers over an encrypted connection. This protects data from interception and unauthorized access, which is important when dealing with confidential information. The integration of libssh enhances the user experience of file sharing.

GitHub: GitHub uses libssh to support its SSH infrastructure necessary for working with Git. SSH provides a secure connection for developers to repositories and performs operations such as cloning and pushing changes. The use of libssh ensures the reliability and security of connections, which is critical for user trust.

Cockpit: Cockpit utilizes the libssh library for SSH public key authentication, which ensures secure access to remote systems. This capability allows administrators to manage multiple machines through a single bastion host, streamlining the administration process and enhancing security, as all connections are routed through a protected channel. The use of libssh also enables Cockpit to efficiently handle SSH connections, providing a reliable and user-friendly experience when working with remote servers.

References

External links

https://www.libssh.org/ — Official libssh website