RECENT BLOG NEWS
Mbed TLS After April 2027: What It Means for Your Product
If your product runs Mbed TLS today, 2027 brings a decision. In October 2026 the Mbed TLS team announced that its current maintainers will stop working on the TLS and X.509 libraries in April 2027, one month after the 3.6 LTS branch reaches end of life. Mbed TLS has served embedded developers well for many […]
Read MoreMore TagNew Release Available Now: wolfssl-wolfcrypt Rust crate 3.0.0
Version 3.0.0 of wolfssl-wolfcrypt is now available on crates.io. This is the Rust wrapper crate for the wolfCrypt cryptography library. This release focuses on safety improvements and increased compatibility with various build configurations and FIPS configurations. This release includes a major version bump because several APIs changed so that mistakes show up earlier and failures […]
Read MoreMore Tagwolfssl-compliance-tooling: one SBOM engine for the product family
wolfSSL ships many products. They build with autotools, CMake, plain Make, IAR Embedded Workbench, Zephyr, and IDE projects. Each product needs an SBOM, but each product should not keep its own copy of the SBOM logic. wolfssl-compliance-tooling is the shared toolkit. A product describes its own build. The toolkit turns that description into CycloneDX 1.6 […]
Read MoreMore TagwolfSSL 5.9.4: Major Upgrades for NXP SE050 and SE051 Secure Elements
If you use an NXP EdgeLock SE050 or SE051 secure element with wolfSSL, you’ll want to upgrade to 5.9.4. The SE05x port got a lot of work this release. Some of it adds APIs people have been asking for. Some of it was needed because newer silicon changed the rules. ECDH on applet 7.2 The […]
Read MoreMore TagwolfCert Now Supports Zephyr, with an EST Example on NXP FRDM-MCXN947
We’re excited to announce that wolfCert now runs on the Zephyr RTOS! wolfCert is wolfSSL’s open-source C library for client-side certificate lifecycle management. With the new Zephyr module, a Zephyr device can generate its own key, request a certificate from your PKI, and renew it later, all over a TLS connection secured by wolfSSL. To […]
Read MoreMore TagOpenWrt on wolfSSL, Part 2: How It Stacks Up on the Raspberry Pi 5
wolfSSL was OpenWrt’s default TLS library from the 21.02 release until 23.05, when OpenWrt switched to Mbed TLS. One of the reasons given was that Mbed TLS is “considerably smaller”. In part one, I compared wolfSSL, Mbed TLS and OpenSSL on a 650 MHz MIPS router. There, the wolfSSL image came out within 13 KB […]
Read MoreMore TagwolfBoot Adds NXP i.MX8M Mini Support: Lean Secure Boot as a U-Boot Alternative
wolfBoot now runs on the NXP i.MX 8M Mini as BL33, replacing U-Boot proper while keeping NXP’s SPL and ATF. It boots a signed Linux image from eMMC, taking about 1.7 seconds for loading and verification. This follows our previous i.MX 8QuadMax port. Where wolfBoot fits BootROM → U-Boot SPL → ATF (BL31) → wolfBoot […]
Read MoreMore TagGenerate a wolfBoot SBOM for Make, CMake, IAR, and Zephyr
wolfBoot can write a CycloneDX 1.6 SBOM and an SPDX 2.3 SBOM for the bootloader image that you configure. wolfBoot builds in many ways, and one engine serves all of them: the shared wolfssl-compliance-tooling, vendored under tools/sbom/. An SBOM helps a manufacturer document the software in a product under the EU Cyber Resilience Act. It […]
Read MoreMore TagOpenWrt on wolfSSL, Part 1: How It Stacks Up on a MIPS Router
OpenWrt is the Linux distribution behind a huge number of home routers, access points and small embedded boards. wolfSSL was its default TLS library from the 21.02 release until 23.05, when OpenWrt switched to Mbed TLS. One of the reasons given was that Mbed TLS is “considerably smaller”. A lot has changed in wolfSSL since […]
Read MoreMore TagBuilding Secure Embedded Systems with wolfSSL and IAR
In the aerospace and defense (A&D) sectors, security, performance, and deterministic assurance are mission-critical. And as various industries prepare for the Post-Quantum Cryptography transition, embedded developers need development tools and security libraries that don’t compromise on constrained system resources. wolfSSL and IAR provide a proven complementary solution that combines an optimized embedded toolchain with lightweight, […]
Read MoreMore TagLIVE WEBINAR: Getting Started with wolfSSL FIPS for Proxmox VE
If you’re evaluating FIPS cryptography for Proxmox VE, you need to understand what changes on the host and how to verify the integration. Join wolfSSL to see how wolfCrypt integrates with Proxmox VE, from installation on a fresh node to verification and encrypted storage setup. What you’ll learn: Where wolfCrypt fits across management TLS, SSH, […]
Read MoreMore TagWeekly updates
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