wolfSSL - Product Downloads


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


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

For users looking to download the wolfCrypt embedded crypto engine, this is included in the wolfSSL package below.


(SHA256: 4993844c4b7919007c4511ec3f987fb06543536c3fc933cb53491bffe9150e49)

This release includes many performance improvements with Intel ASM (AVX/AVX2) and AES-NI, new single precision math option to speedup RSA, DH and ECC, expanded support for STM32, PIC32MZ and ATECC508A, AES now supports XTS mode for disk encryption, certificate improvements for setting serial number, key usage and extended key usage, refactor of SSL_ and hash types to allow openssl coexistence, improvements for TLS 1.3, fixes for OCSP stapling, fixes for openssl and MySQL compatibility, updated Micrium port, and fixes for asynchronous modes. Includes TLS 1.3.

Release Date: 10/23/2017


(SHA256: 6c5e4fe614363eddf87abc3d7da556f0fdcd5c8ceb7a58f31635d77fbe2c5231)

Release 0.14.0 includes bug fixes, non-blocking I/O enhancements, support for DH, support for keep-alive ping in non-blocking mode, example TLS callback and Visual Studio improvements, options.h fixes, and more.

Release Date: 11/22/2017


(SHA256: 0d427850b18addb7a6bd6310c763ddcccb46db4d81e2a1056552906547f35087)

wolfSSH 1.2.0 includes bug fixes, ECDH group exchange and ECDSA with SHA2 hashing and new curves, client support, new examples, Visual Studio solution file, and more.

Release Date: 09/26/2017


(SHA256: f4030c9a22394921134d91026a75d9cad5c741738a604c74b6972569be7d9b09)

wolfSSL JNI 1.3.0 includes bug fixes and new features including updated support to wolfSSL 3.7.0, finalizers for context and session classes, deprecation of SSLv3, PSK support, better error and exception handling, and more.

Release Date: 12/04/2015


(SHA256: f3ab7bf27b65689ca71da1d2460090d018ea3a01dc8b720ae27051f18b8b026c)

Initial release of the wolfCrypt JNI wrapper and wolfCrypt JCE Provider.

Release Date: 07/10/2017


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).

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