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The wolfSSL embedded SSL library (formerly CyaSSL) is a lightweight, portable, C-language-based SSL/TLS library targeted at IoT, embedded, and RTOS environments primarily because of its size, speed, and feature set. It works seamlessly in desktop, enterprise, and cloud environments as well. wolfSSL supports industry standards up to the current TLS 1.2 and DTLS 1.2, is up to 20 times smaller than OpenSSL, offers a simple API, an OpenSSL compatibility layer, OCSP and CRL support, is backed by the robust wolfCrypt cryptography library, and much more.
wolfSSL relies on the FIPS 140-2 validated wolfCrypt library for all cryptographic functionality. Visit http://wolfssl.com/wolfSSL/fips.html for more info!
Features
- TLS version 1.3
- TLS version 1.2
- DTLS
- Reduced memory footprint
- Drop in Replacement for OpenSSL
- cross-platform
- embedded environments
- Designed for use in IoT devices
- Active Development
- Support
- Intel® Software Guard Extensions (Intel® SGX)
- Secure Enclave (SGX)
- Hardware Crypto
- Asynchronous Crypto
- Cavium NITROX®
- Intel® Quick Assist Technology (Intel® QAT)
- MAC
- Windows
- Linux
- Unix
- FreeRTOS
- Embedded OS
Project Samples
License
GNU General Public License version 2.0 (GPLv2), Other LicenseOther Useful Business Software
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