At wolfSSL, we continuously work to keep our TLS and cryptography engine fast, portable, secure, and lightweight. Most improvements come in the form of new features, optimizations, or platform ports. But sometimes the most valuable contributions are the ones that simplify the code rather than expand it. A recent community contribution highlighted exactly this. Pull […]
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New Feature: Copy and Free Callbacks for Hardware Acceleration
wolfSSL 5.8.4 (PR#9309) has expanded the crypto callback api to include support for copy and free operations. This addition addresses a lifecycle management challenge for developers integrating hardware security modules (HSM) or hardware accelerators. Download wolfSSL → The Capability Previously, wolfSSL’s default behavior for duplicating a hash context was a standard memory copy. While efficient […]
Read MoreMore TagExpanded Rust API for wolfSSL
Rust is a modern programming language known for its focus on memory safety and performance, making it a powerful choice for systems programming, including security-sensitive applications. To bridge the gap between Rust’s strong guarantees and the mature, high-performance cryptography provided by the wolfSSL library, we have developed and are continuing to improve a comprehensive set […]
Read MoreMore TagML-KEM and ML-DSA Improvements in wolfSSL 5.8.4
Version 5.8.4 improves wolfSSL’s implementation of ML-KEM (formerly Kyber) and ML-DSA (formerly Dilithium) post-quantum algorithms. Download wolfSSL → Bug Fixes The ML-KEM derive secret operation was corrected to properly compute shared secrets; there was a miscalculation of an offset in a buffer. An out-of-bounds read was fixed in the ML-KEM/Kyber 5-bit value decomposition code, where […]
Read MoreMore TagGetting Started with wolfMQTT
Build secure, scalable IoT messaging with confidence using wolfMQTT. Join us for a live webinar on February 4 at 9 AM PT, where we’ll walk through the fundamentals of MQTT and show how to get started with wolfMQTT in real-world embedded and IoT applications. This session highlights practical implementation details, security tradeoffs, and architectural decisions […]
Read MoreMore TagJoin wolfSSL at FOSDEM 2026!
We’re excited to attend FOSDEM 2026, one of the world’s largest gatherings of open source developers in Europe! Stop by and meet us at the Booth AW-10 to explore our solutions for embedded systems security. You can also schedule a time to chat via our calendar. At the event, we’ll be showcasing a range of […]
Read MoreMore TagNVIDIA Jetson GPU boards getting FIPS 140-3 OE certification
wolfSSL is bringing FIPS 140-3 to the NVIDIA Jetson Orin GPU platform, in both kernel and userspace contexts, with a kernel module alongside user-space cryptography that works under OpenSSL, GnuTLS, and Gcrypt, requiring no or minimal changes to applications. Download wolfSSL → It is ARM64-native and uses AES-XTS to meet the high throughput demands of […]
Read MoreMore TagwolfSSL Now Supports Renesas FSP v6.1.0 on RA6 Platforms
wolfSSL is excited to announce that wolfSSL version 5.8.4 now supports Renesas Flexible Software Package (FSP) v6.1.0 for the RA6M3 and RA6M4 microcontroller platforms. Download wolfSSL → The Renesas RA6M3 and RA6M4 MCUs feature high-performance Arm Cortex cores with TrustZone technology and utilize the Flexible Software Package built on FreeRTOS. The open FSP ecosystem is […]
Read MoreMore TagInteroperability Fix: wolfSSH Server with WinSCP SCP Client
We’re pleased to announce an important interoperability fix for wolfSSH and WinSCP, introduced in Pull Request #832. This update resolves connection issues when using WinSCP with the SCP protocol in Default shell mode, enabling wolfSSH to work seamlessly with one of the most popular SFTP and SCP clients for Windows. Download wolfSSL → About WinSCP […]
Read MoreMore TagNew Example: Microchip ATSAMV71Q21B Support with Harmony Filesystem in wolfSSH
We’re pleased to announce a new example implementation for Microchip’s ATSAMV71Q21B microcontroller in wolfSSH, introduced in Pull Request #790. This addition provides a complete reference implementation and Harmony filesystem port, making it straightforward for developers to integrate secure SSH functionality into ARM Cortex-M7-based embedded applications using Microchip’s MPLAB Harmony framework. Download wolfSSL → What’s Included […]
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