Misplaced Pages

wolfSSH

Developer(s)	John Safranek
Initial release	July 20, 2016 (2016-07-20)
Stable release	1.4.19  / 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.

Platforms

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.

Protocols

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.

Algorithms

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

Key exchange

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

Public key

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

Integrity

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

Encryption

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

Licensing

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

See also

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

References

1. "wolfSSH ChangeLog".
2. "Release 1.4.19". 1 November 2024. Retrieved 29 November 2024.
3. wolfCrypt Usage Reference
4. "Licensing Information". Archived from the original on 2021-08-18.

External links

• wolfSSH Homepage

• C (programming language) libraries
• Cryptographic software
• Secure Shell