wolfSSH by wolfSSL is a lightweight SSHv2 client and server library written in ANSI C, designed for embedded, RTOS, and resource-constrained environments due to its small size, speed, and feature set. It is commonly used in standard operating environments as well because of its royalty-free pricing and excellent cross-platform support. wolfSSH is powered by the wolfCrypt library, which has been FIPS 140-3 validated (Certificate #4718) and FIPS 140-2 validated (Certificate #3389). It supports the C programming language as a primary interface and includes standalone production-ready client and server applications. wolfSSH leverages wolfCrypt's portability and hardware cryptography support, making it suitable for a wide range of platforms and applications. It supports multiple hashing functions, block, stream, and authenticated ciphers, public key options, and client authentication methods. Additionally, wolfSSH includes features such as SCP and SFTP file transfer, basic shell, remote command execution, and port forwarding support. It is interop tested against various SSH implementations and supports a wide range of chipsets and operating environments.
