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class='screen-reader-text'>Search for:</label> <input type="search" name="s" placeholder="Search" value="" /> <button type="submit"> <i class="north-icon-search"><label class="screen-reader-text">Search</label></i> </button> </form> </li></ul></div> </nav> </div> </div> </header> <div id="content" class="site-content"> <div class="container"> <div id="primary" class="content-area"> <main id="main" class="site-main" role="main"> <article id="post-1296" class="post-1296 page type-page status-publish post"> <div class="entry-content"> <div id="pl-1296" class="panel-layout" ><div id="pg-1296-0" class="panel-grid panel-has-style" ><div class="separate panel-row-style panel-row-style-for-1296-0" ><div id="pgc-1296-0-0" class="panel-grid-cell" ><div id="panel-1296-0-0-0" class="so-panel widget widget_sow-editor panel-first-child" data-index="0" ><div class="so-widget-sow-editor so-widget-sow-editor-base" > <div class="siteorigin-widget-tinymce textwidget"> <h1 class="pageTitle">PRODUCTS</h1> </div> </div></div><div id="panel-1296-0-0-1" class="so-panel widget widget_sow-editor panel-last-child" data-index="1" ><div class="products panel-widget-style panel-widget-style-for-1296-0-0-1" ><div class="so-widget-sow-editor so-widget-sow-editor-base" > <div class="siteorigin-widget-tinymce textwidget"> <h3><strong>wolfSSH</strong> Lightweight SSH Library</h3> </div> </div></div></div></div></div></div><div id="pg-1296-1" class="panel-grid panel-no-style" ><div id="pgc-1296-1-0" class="panel-grid-cell" ><div id="panel-1296-1-0-0" class="so-panel widget widget_sow-editor panel-first-child panel-last-child" data-index="2" ><div class="so-widget-sow-editor so-widget-sow-editor-base" > <div class="siteorigin-widget-tinymce textwidget"> <p class="paragraph_style_22">The wolfSSH library is a lightweight SSHv2 client and server library written in ANSI C and targeted for embedded, RTOS, and resource-constrained environments - primarily because of 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.</p> <p class="paragraph_style_22"><span style="font-weight: 400;">wolfSSH is powered by the wolfCrypt library. A version of the wolfCrypt cryptography library has been FIPS 140-3 validated (Certificate #4718) and FIPS 140-2 validated (Certificate #3389). For additional information, visit the</span> <a title="fips.html" href="https://www.wolfssl.com/license/fips/">wolfCrypt FIPS FAQ</a> or contact <a title="mailto:fips@wolfssl.com" href="mailto:fips@wolfssl.com">fips@wolfssl.com</a>.</p> </div> </div></div></div><div id="pgc-1296-1-1" class="panel-grid-cell" ><div id="panel-1296-1-1-0" class="so-panel widget widget_sow-editor panel-first-child panel-last-child" data-index="3" ><div class="panel-widget-style panel-widget-style-for-1296-1-1-0" ><div class="so-widget-sow-editor so-widget-sow-editor-base" > <div class="siteorigin-widget-tinymce textwidget"> <p><a href="https://www.wolfssl.com/download"><strong>Download Now</strong></a></p> <p>Get the latest open source GPLv3 version now!</p> <p>Version: 1.4.19<br /> Release Date: 11/1/2024<br /> <a href="https://github.com/wolfSSL/wolfssh/blob/master/ChangeLog.md">View ChangeLog</a></p> </div> </div></div></div></div></div><div id="pg-1296-2" class="panel-grid panel-no-style" ><div id="pgc-1296-2-0" class="panel-grid-cell" ><div id="panel-1296-2-0-0" class="so-panel widget widget_sow-editor panel-first-child panel-last-child" data-index="4" ><div class="so-widget-sow-editor so-widget-sow-editor-base" ><h3 class="widget-title">Highlights</h3> <div class="siteorigin-widget-tinymce textwidget"> <div class="siteorigin-widget-tinymce textwidget"> <div class="separate"> </div> <div class="pushProduct"> </div> <ul> <li>SSH v2.0 client and server support</li> <li>SCP and SFTP file transfer support</li> <li>Leverages wolfCrypt crypto library</li> <li>Support Available</li> </ul> </div> </div> </div></div></div><div id="pgc-1296-2-1" class="panel-grid-cell" ><div id="panel-1296-2-1-0" class="so-panel widget widget_sow-editor panel-first-child panel-last-child" data-index="5" ><div class="so-widget-sow-editor so-widget-sow-editor-base" ><h3 class="widget-title">Lightweight</h3> <div class="siteorigin-widget-tinymce textwidget"> <div class="siteorigin-widget-tinymce textwidget"> <div class="separate"> </div> <div class="pushProduct"> </div> <ul> <li>Small footprint size</li> <li>Low runtime memory usage</li> </ul> </div> </div> </div></div></div><div id="pgc-1296-2-2" class="panel-grid-cell" ><div id="panel-1296-2-2-0" class="so-panel widget widget_sow-editor panel-first-child panel-last-child" data-index="6" ><div class="so-widget-sow-editor so-widget-sow-editor-base" ><h3 class="widget-title">Portable</h3> <div class="siteorigin-widget-tinymce textwidget"> <div class="siteorigin-widget-tinymce textwidget"> <div class="separate"> </div> <div class="pushProduct"> </div> <ul> <li>Long list of supported platforms</li> <li>Takes advantage of wolfCrypt's portability and hardware cryptography support</li> </ul> </div> </div> </div></div></div></div><div id="pg-1296-3" class="panel-grid panel-has-style" ><div class="separate panel-row-style panel-row-style-for-1296-3" ></div></div><div id="pg-1296-4" class="panel-grid panel-no-style" ><div id="pgc-1296-4-0" class="panel-grid-cell" ><div id="panel-1296-4-0-0" class="so-panel widget widget_sow-editor panel-first-child" data-index="7" ><div class="so-widget-sow-editor so-widget-sow-editor-base" > <div class="siteorigin-widget-tinymce textwidget"> <p class="paragraph_style_9"><strong>Platform and Language Support</strong></p> <p class="paragraph_style_10">wolfSSH is built for maximum portability and is generally very easy to compile on new platforms.  If your desired platform is not listed under the supported operating environments, please <a class="class12" title="Contact.html" href="https://www.wolfssl.com/contact/">contact us</a>.</p> <p class="paragraph_style_10">wolfSSH supports the C programming language as a primary interface. If you have interest in using wolfSSH in another programming language that it does not currently supported, please <a class="class13" title="Contact.html" href="https://www.wolfssl.com/contact/">contact us</a>.</p> <p class="paragraph_style_10"><strong>Hardware cryptography/acceleration</strong></p> <p>Because wolfSSH is powered by wolfCrypt, wolfSSH has access to all the platforms with hardware cryptography/acceleration that are supported by wolfCrypt. To see the list of platforms, please see our <a href="https://www.wolfssl.com/docs/hardware-crypto-support/">hardware cryptography support page</a>.</p> </div> </div></div><div id="panel-1296-4-0-1" class="so-panel widget widget_sow-image panel-last-child" data-index="8" ><div class="panel-widget-style panel-widget-style-for-1296-4-0-1" ><div class="so-widget-sow-image so-widget-sow-image-default-d6014b76747a-1296" > <div class="sow-image-container"> <img src="https://www.wolfssl.com/wordpress/wp-content/uploads/2017/07/wolf_home-272x182.jpg" width="272" height="182" srcset="https://www.wolfssl.com/wordpress/wp-content/uploads/2017/07/wolf_home-272x182.jpg 272w, https://www.wolfssl.com/wordpress/wp-content/uploads/2017/07/wolf_home-300x201.jpg 300w, https://www.wolfssl.com/wordpress/wp-content/uploads/2017/07/wolf_home.jpg 447w" sizes="(max-width: 272px) 100vw, 272px" title="Howling Wolf" alt="Howling Wolf" class="so-widget-image"/> </div> </div></div></div></div><div id="pgc-1296-4-1" class="panel-grid-cell" ><div id="panel-1296-4-1-0" class="so-panel widget widget_sow-editor panel-first-child panel-last-child" data-index="9" ><div class="so-widget-sow-editor so-widget-sow-editor-base" > <div class="siteorigin-widget-tinymce textwidget"> <p class="paragraph_style_24"><strong>Features</strong></p> <ul> <li class="paragraph_style_24"><span class="style_6">SSH v2.0 (client and server)</span></li> <li class="paragraph_style_24"><span class="style_6">Minimum footprint size of </span><span class="style_7">33kB</span></li> <li class="paragraph_style_24"><span class="style_6">Runtime memory usage </span><span class="style_7">between 1.4 and 2kB</span><span class="style_6">, not including a configurable receive buffer</span></li> <li class="paragraph_style_24"><span class="style_6">Multiple Hashing Functions: </span><span class="style_6">SHA-1, SHA-2 (SHA-256, </span><span class="style_6">SHA-384, SHA-512)<br /> </span></li> <li class="paragraph_style_24"><span class="style_6">Block, Stream, and Authenticated Ciphers: </span><span class="style_6">AES (CBC, CTR, GCM, CCM)</span></li> <li class="paragraph_style_24"><span class="style_6">Public Key Options:聽 </span><span class="style_6">RSA, DH, EDH</span></li> <li class="paragraph_style_24"><span class="style_6">ECC Support (ECDH and ECDSA with curves:</span><span class="style_6">聽NISTP256, </span><span class="style_6">NISTP384, </span><span class="style_6">NISTP521</span></li> <li class="paragraph_style_24"><span class="style_6">Client authentication support (RSA and ECC public key, and password)</span></li> <li>SCP support</li> <li>SFTP support</li> <li>Basic shell support</li> <li>Remote command execution</li> <li>Port forwarding support</li> <li>Simple API</li> <li class="paragraph_style_24"><span class="style_6">Hardware Cryptography Support: </span><span class="style_6">Intel AES-NI support, </span><span class="style_6">Intel AVX1/2, RDRAND, RDSEED,</span><span class="style_6"> Cavium NITROX support, S</span><span class="style_6">TM32F2/F4 hardware crypto support, </span><span class="style_6">Freescale CAU / mmCAU / SEC, </span><span class="style_6">Microchip PIC32MZ, support for MPLAB Harmony on PIC32</span></li> <li>Echoserver functionality</li> <li>Includes a <a href="https://www.visualstudio.com/">MS Visual Studio</a> solution to simplify SSH usage on Windows</li> <li>Interop Tested Against: <ul> <li>OpenSSH, Tera term, PuTTY, Dropbear, Firezilla, BitVise</li> </ul> </li> </ul> </div> </div></div></div></div><div id="pg-1296-5" class="panel-grid panel-has-style" ><div class="separate panel-row-style panel-row-style-for-1296-5" ></div></div><div id="pg-1296-6" class="panel-grid panel-no-style" ><div id="pgc-1296-6-0" class="panel-grid-cell" ><div id="panel-1296-6-0-0" class="so-panel widget widget_sow-editor panel-first-child panel-last-child" data-index="10" ><div class="so-widget-sow-editor so-widget-sow-editor-base" > <div class="siteorigin-widget-tinymce textwidget"> <p class="paragraph_style_5"><strong>Supported Chipmakers</strong></p> <ul> <li class="paragraph_style_5">wolfSSH has support for chipsets including ARM, Intel, Motorola, mbed, <a title="wolfssl-freescale.html" href="https://www.wolfssl.com/docs/freescale/">NXP/Freescale</a>, Microchip (<a title="wolfssl-pic32.html" href="https://www.wolfssl.com/docs/pic32/">PIC32</a>)/<a title="wolfssl-atmel.html" href="https://www.wolfssl.com/docs/atmel/">Atmel</a>, STMicroelectronics (<a title="wolfssl-stm32.html" href="https://www.wolfssl.com/docs/stm32/">STM32F2/F4</a>), <a title="wolfssl-analog-devices.html" href="https://www.wolfssl.com/docs/analog-devices/">Analog Devices</a>, <a title="wolfssl-ti.html" href="https://www.wolfssl.com/docs/ti/">Texas Instruments</a>, <a title="wolfssl-renesas.html" href="https://www.wolfssl.com/docs/renesas/" target="_blank" rel="noopener">Renesas</a>, and more</li> <li class="paragraph_style_5">If you would like to use or test wolfSSH on another chipset, let us know and we鈥檒l be happy to support you.</li> </ul> </div> </div></div></div><div id="pgc-1296-6-1" class="panel-grid-cell" ><div class="panel-cell-style panel-cell-style-for-1296-6-1" ><div id="panel-1296-6-1-0" class="so-panel widget widget_sow-editor panel-first-child panel-last-child" data-index="11" ><div class="so-widget-sow-editor so-widget-sow-editor-base" > <div class="siteorigin-widget-tinymce textwidget"> <p class="paragraph_style_5"><strong>Supported Operating Environments</strong></p> <ul> <li class="paragraph_style_5">Win32/64, Linux, Mac OS X, Solaris, ThreadX, VxWorks, FreeBSD, NetBSD, OpenBSD, embedded Linux, <a href="https://www.wolfssl.com/docs/getting-started-yocto-openembedded/">Yocto</a>, <a href="https://www.wolfssl.com/docs/getting-started-yocto-openembedded/">OpenEmbedded</a>, <span style="font-weight: 400;">Cesium, </span>Micrium's 碌C/OS, FreeRTOS, SafeRTOS, Freescale MQX, Nucleus, Green Hills Software INTEGRITY</li> <li class="paragraph_style_5">If you would like to test wolfSSH on another environment, let us know and we鈥檒l be happy to support you.</li> </ul> </div> </div></div></div></div></div><div id="pg-1296-7" class="panel-grid panel-has-style" ><div class="separate panel-row-style panel-row-style-for-1296-7" ></div></div><div id="pg-1296-8" class="panel-grid panel-has-style" ><div class="panel-row-style panel-row-style-for-1296-8" ><div id="pgc-1296-8-0" class="panel-grid-cell" ><div id="panel-1296-8-0-0" class="so-panel widget widget_sow-editor panel-first-child panel-last-child" data-index="12" ><div class="so-widget-sow-editor so-widget-sow-editor-base" > <div class="siteorigin-widget-tinymce textwidget"> <p class="paragraph_style_11"><strong>Documentation:</strong></p> <ul> <li class="paragraph_style_11"><a class="class14" title="Docs.html" href="https://www.wolfssl.com/docs/">Documentation Page</a></li> <li class="paragraph_style_11"><a class="class15" title="benchmarks-wolfssl.html" href="https://www.wolfssl.com/docs/benchmarks/">wolfSSL Benchmarks</a></li> <li class="paragraph_style_11"><a class="class16" title="https://www.wolfssl.com/docs/security-vulnerabilities/" href="https://www.wolfssl.com/docs/security-vulnerabilities/">Vulnerability Information</a></li> </ul> </div> </div></div></div><div id="pgc-1296-8-1" class="panel-grid-cell" ><div id="panel-1296-8-1-0" class="so-panel widget widget_sow-editor panel-first-child panel-last-child" data-index="13" ><div class="so-widget-sow-editor so-widget-sow-editor-base" > <div class="siteorigin-widget-tinymce textwidget"> <p><strong>Licensing and Ordering:</strong></p> <p class="paragraph_style_11">wolfSSH is dual licensed under both the GPLv3 and commercial licensing. For more information, please see the following links.</p> <ul> <li class="paragraph_style_11"><a class="class15" title="License.html" href="https://www.wolfssl.com/license/">License Information</a></li> <li class="paragraph_style_11"><a class="class16" title="https://www.wolfssl.com/download/support-packages/" href="https://www.wolfssl.com/download/support-packages/">Support Packages</a></li> <li class="paragraph_style_11"><a class="class17" title="Contact.html" href="https://www.wolfssl.com/contact/">Contact Us</a></li> </ul> </div> </div></div></div></div></div></div> </div> </article> </main> </div> <div id="secondary" class="widget-area" role="complementary" aria-label="Main Sidebar"> </div> </div> </div> <footer id="colophon" class="site-footer unconstrained-footer" role="contentinfo"> <div class="container"> </div> <div class="site-info"> <div class="container"> <div class="banner"> <a href="https://www.wolfssl.com/frequently-asked-questions-faq/"> <h1>wolfSSL FAQ</h1> </a> </div> <div class="banner"> <a href="https://www.wolfssl.com/products/curl/"> <h1>wolfSSL curl</h1> </a> </div> <a href="https://www.wolfssl.com/docs/tls13/"> <img id="tls13Banner" src="/wordpress/wp-content/uploads/2018/08/TLS13-now-avail.png"> </a> <div class="banner"> <a href="https://www.wolfssl.com/events/"><h1>Upcoming Events</h1></a> </div> <div id="lastBanner"> <a href="https://www.wolfssl.com/community/partner-network/"><h1>wolfSSL Partners</h1></a> </div> <div id="footerProducts">   <div class="footerBox"> <a href="/products/wolfssl/"> <h2>wolfSSL SSL/TLS Library</h2> <p>The wolfSSL lightweight TLS library supports TLS 1.3 and DTLS 1.3 on both client and server sides, features progressive algorithm support, is optimized for footprint and runtime memory use, and more!</p> <a/> </div> <div class="footerBox"> <a href="/products/wolfcrypt/"> <h2>wolfCrypt Crypto Engine</h2> <p>The wolfCrypt Crypto engine is a lightweight, embeddable, and easy-to-configure crypto library with a strong focus on portability, modularity, security, and feature set. 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