RECENT BLOG NEWS

So, what’s new at wolfSSL? Take a look below to check out the most recent news, or sign up to receive weekly email notifications containing the latest news from wolfSSL. wolfSSL also has a support-specific blog page dedicated to answering some of the more commonly received support questions.

wolfSSL 5.8.4 Now Available

wolfSSL 5.8.4 introduces several updates, including the addition of a GPLv3 exceptions list. This allows specific GPLv3-licensed codebases linking against wolfSSL to continue using wolfSSL under GPLv2. Current GPLv3 Exceptions: MariaDB Server MariaDB Client Libraries OpenVPN-NL Fetchmail OpenVPN Security Fixes This release includes multiple fixes across TLS 1.2, TLS 1.3, X25519, XChaCha20-Poly1305, and PSK processing. […]

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wolfHSM Adds Support for TI TDA4VH Platform

We heard you, everybody! After immense customer demand, we’re excited to announce that wolfHSM now supports the Texas Instruments TDA4VH platform — bringing our lightweight, embedded Hardware Security Module (HSM) framework to one of the most in-demand automotive SoCs on the market. The TDA4VH integrates advanced security and real-time processing capabilities, making it an ideal […]

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How to Use wolfBoot with the Vorago VA41630 and VA41620

Secure your aerospace and commercial satellite systems with Vorago VA4 rad-tolerant MCUs and wolfBoot secure boot. Together, we provide high-assurance security, including FIPS-validated cryptography, secure boot, and quantum readiness, ensuring reliable defenses for constrained environments. Step-by-Step Guide The following provides comprehensive technical details for using wolfBoot with Vorago VA416x0 microcontrollers, assuming the pull request has […]

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wolfTPM 3.10.0 Release: Security Fix, ESP32 Support & Improved Resource Management

wolfTPM 3.10.0 delivers a critical security fix, expanded embedded platform support, and enterprise-grade TPM resource management—empowering developers to build secure, scalable IoT and edge computing solutions with hardware-backed cryptography. Password Handling Fix A bug in the wolfTPM2_SetKeyAuthPassword() function introduced in v3.9.2 has been resolved. This API, primarily used by the C# wrapper, was incorrectly truncating […]

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wolfBoot Support for VORAGO Radiation-Hardened VA4 Microcontrollers

wolfBoot Support for VA41630/VA41620 We are excited to announce that wolfBoot now supports the radiation-hardened MCUs in Vorago’s VA4 family built on Arm® Cortex® M4 cores, bringing enterprise-grade secure boot and firmware update capabilities to radiation-hardened embedded systems. This integration enables developers to implement robust security measures in mission-critical applications operating in harsh radiation environments, […]

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Cybersecurity Solutions for Satellite Missions: FIPS 140-3, Post-Quantum, and Embedded Protection

Satellites, rockets, and ground stations face unique cybersecurity challenges—from communication interception to firmware tampering. Protecting these systems requires lightweight, space-grade cryptography built for embedded aerospace environments. Join us on December 10 at 9 AM PT for the webinar, “Cybersecurity Solutions for the Satellite Industry,” and discover how wolfSSL protects satellite missions with FIPS 140-3 validated, […]

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FATFS Enhancements in wolfSSH 1.4.21

FATFS Ready in wolfSSH 1.4.21 wolfSSH 1.4.21 is now available, and this release focuses on making FATFS-backed SFTP deployments easier to ship, test, and maintain. Since tagging v1.4.20-stable, we invested in reliability improvements, developer tooling, and CI coverage that harden FATFS integration for embedded SSH gateways, industrial control systems, and secure file transfer clients. This […]

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Announcing wolfMQTT v1.21.0: NetX and ThreadX RTOS Support

We are excited to announce the release of wolfMQTT v1.21.0, which introduces support for NetX and ThreadX RTOS platforms as its headline feature. This release continues our commitment to providing a lightweight, secure, and feature-rich MQTT client implementation for embedded systems and IoT applications. What’s New in v1.21.0 The wolfMQTT v1.21.0 release includes several significant […]

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Keyboard-Interactive (RFC 4256) lands in wolfSSH — flexible SSH authentication for embedded, IoT, and server use

At wolfSSL we build compact, high-performance security libraries for systems that range from tiny MCUs to cloud servers. Our SSHv2 library, wolfSSH, now supports Keyboard-Interactive authentication (RFC 4256), enabling rich challenge/response and multi-step logins without changing your client code. Keyboard-Interactive first shipped in wolfSSH 1.4.20 and has since seen API refinements to simplify how applications […]

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