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Dropbear (software)

Alternative SSH server and client

Alternative SSH server and client

FieldValue
nameDropbear
developerMatt Johnston
released
latest release version
latest release date
latest preview version
latest preview date
programming languageC
operating systemUnix-like
genreRemote access
licenseMIT license
website

Dropbear is a software package written by Matt Johnston that provides a Secure Shell-compatible server and client. It is designed as a replacement for standard OpenSSH for environments with low memory and processor resources, such as embedded systems. It is a core component of OpenWrt and other router distributions.

Dropbear was originally released in April 2003.

Technology

Dropbear implements version 2 of the Secure Shell (SSH) protocol.{{cite web | access-date=2020-05-23}}

The cryptographic algorithms are implemented using third-party cryptographic libraries like LibTomCrypt included internally in the Dropbear distribution. It derives some parts from OpenSSH to handle BSD-style pseudo terminals.{{cite web | access-date=2020-05-23}}

Features

Dropbear implements the complete SSH version 2 protocol in both the client and the server. It does not support SSH version 1 backwards-compatibility in order to save space and resources, and to avoid the inherent security vulnerabilities in SSH version 1. SCP is also implemented.{{Cite web | access-date=2020-05-23

Dropbear supports elliptic curve cryptography for key exchange, as of version 2013.61test and beyond.{{cite web | access-date=2020-05-23}}

References

References

  1. (2019-09-04). "VA Technical Reference Model v 24.4. Dropbear Secure Shell (SSH) Server".
  2. Liu, Dale. (2011-04-18). "Next Generation SSH2 Implementation: Securing Data in Motion". Syngress.
  3. Aufranc, Jean-Luc. (October 6, 2011). "Dropbear: Lightweight SSH Server".
Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

cryptographic-software free-network-related-software free-security-software secure-shell software-using-the-mit-license free-software-programmed-in-c
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