(View More Downloads)

Please Contact Us if you are downloading this as an evaluation and need evaluation support. For additional downloads, including yaSSL (C++), yaSSH, TaoCrypt, and our Java SSL Provider, see the More Downloads page.


(Letters allowed)

(Letters and Numbers allowed)

(Letters and Numbers allowed)



Allowed characters include: letters, numbers, and [.,;:&"?!'()-]

  Do you need evaluation support or assistance from wolfSSL?

Step 2: SELECT DOWNLOAD [Please select your desired download]

This form allows you to download the most recent stable open source (GPLv2) versions of both CyaSSL and yaSSLEWS. If your project cannot tolerate the terms of the GPLv2, please contact us to learn more about our commercial license.    (SHA1: 116b9df5fb27f2bc060a32ba0785ccb321132217)

CyaSSL 3.3.0 includes countermeasures from Karthikeyan Bhargavan of the Prosecco team at INRIA Paris-Rocquencourt, removal of SSLv2 Client Hello processing, minimum downgrade version, small stack improvements, TLS Master Secret generation and Key Expansion are now exposed, client side Secure Renegotiation and session ticket support, up to 4096-bit DHE at TLS Key Exchange layer, handling of non standard SessionID sizes in Hello Messages, PicoTCP Support, sniffer improvements, TI-RTOS updates, fixes for Coldfire, and ADH-AES128-SHA cipher suite for EAP-FAST.

Release Date: 12/05/2014    (SHA1: fa4f5e0f1863921b08b5b3ed847764a46b696a7c)

wolfSSL JNI 1.1.0 includes bug fixes and new features including updated support for CyaSSL, updated example certificates and CRLs, updated JUnit4 tests, Android NDK support and more.

Release Date: 04/24/2014    (SHA1: f4b426ac31151c796c5e31f1fd55e8630cc0a6f7)

This is the third release of the yaSSL Embedded Web Server. Changes in this release include bug fixes, updated CyaSSL support, iOS (Apple TV) build support, better Windows build support, CGI and SSI extension pattern matching and more.

Release Date: 08/21/2012


The wolfSSL source code is subject to the U.S. Export Administration Regulations and other U.S. law, and may not be exported or re-exported to certain countries (currently Afghanistan, Cuba, Iran, Iraq, Libya, North Korea, Sudan and Syria) or to persons or entities prohibited from receiving U.S. exports (including Denied Parties, entities on the Bureau of Export Administration Entity List, and Specially Designated Nationals).

  I have read and agree to the GNU license agreement. (required)