WolfSSH

wolfSSH

Developer(s)	John Safranek
Initial release	July 20, 2016 (2016-07-20)[1]
Stable release	1.4.19[2]  / 1 November 2024
Repository	github.com/wolfSSL/wolfssh
Written in	C language
Operating system	Multi-platform
Type	Security library
License	GPL-3.0-or-later or proprietary license
Website	www.wolfssl.com/products/wolfssh/

wolfSSH is a small, portable, embedded SSH library targeted for use by embedded systems developers. It is an open-source implementation of SSH written in the C language. It includes SSH client libraries and an SSH server implementation. It allows for password and public key authentication.

wolfSSH is currently available for Win32/64, Linux, macOS, Solaris, Threadx, VxWorks, FreeBSD, NetBSD, OpenBSD, embedded Linux, WinCE, Haiku, OpenWrt, iPhone (iOS), Android, Wii and GameCube through DevKitPro support, QNX, MontaVista, TRON variants (TRON/ITRON/μITRON), NonStop OS, OpenCL, Micrium's MicroC/OS-II, FreeRTOS, SafeRTOS, Freescale MQX, Nucleus, TinyOS, TI-RTOS, HP-UX, uTasker, embOS, PIC32, PikeOS, and Green Hills INTEGRITY.

The wolfSSH SSH library implements the SSHv2 protocol for both client and server. It also includes support for the Secure copy and SSH File Transfer protocols.

wolfSSH uses the cryptographic services provided by wolfCrypt.^[3] wolfCrypt Provides RSA, ECC, Diffie–Hellman, AES (CBC, GCM), Random Number Generation, Large Integer support, and base 16/64 encoding/decoding.

• diffie-hellman-group1-sha1
• diffie-hellman-group14-sha1
• diffie-hellman-group-exchange-sha256
• ecdh-sha2-nistp256
• ecdh-sha2-nistp384
• ecdh-sha2-nistp521

• ssh-rsa
• ecdsa-sha2-nistp256
• ecdsa-sha2-nistp384
• ecdsa-sha2-nistp521

• hmac-sha1
• hmac-sha1-96
• hmac-sha2-256

• aes128-cbc
• aes128-gcm (OpenSSH compatible)

wolfSSH is open source and dual licensed under both the GNU GPL-3.0-or-later^[4] and commercial licensing.

• Secure Shell
• OpenSSH
• DropBear
• Comparison of SSH clients
• Comparison of SSH servers
• Comparison of cryptography libraries

• wolfSSH Homepage