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 5.9.1 release blog

wolfSSL 5.9.1 is available with new features, post-quantum cryptography improvements, broad bug fixes, and a number of vulnerability fixes. Users are always recommended to stay up to date with wolfSSL releases. In this release, use cases that are affected by high severity reports are: PKCS7 with ORI callback set or AuthEnvelopedData with AES-GCM (–enable-pkcs7), ECDSA […]

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Why C Remains the Gold Standard for Cryptographic Software

Executive Summary For production cryptographic software, memory safety alone does not define security. Real-world crypto must run on every platform, maintain stable assumptions over decades, and allow explicit control over hardware behavior. While memory-safe languages like Rust offer real benefits, serious cryptographic implementations inevitably rely on unsafe code, assembly, and low-level control, eroding those guarantees. […]

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Announcing wolfTPM v4.0.0

wolfTPM v4.0.0 is our largest release to date. It delivers three headline capabilities: Firmware TPM (fwTPM) – a portable TPM 2.0 built on wolfCrypt. SPDM Secured Transport – encrypted host-to-TPM communication. ST33 TPM 2.0 Firmware Update – new update tool for STMicro ST33KTPM2X. All three are powered by the same wolfCrypt engine trusted in FIPS […]

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wolfBoot Secure Boot on the STM32N6

wolfSSL is announcing wolfBoot support for the STM32N6 series added in PR #720, starting with the NUCLEO-N657X0-Q development board (STM32N657X0H). The STM32N6 is ST’s first Cortex-M55 microcontroller, designed for high-performance edge AI workloads with a dedicated Neural Processing Unit (NPU). wolfBoot provides cryptographic signature verification and secure firmware updates on this new platform. Getting started […]

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wolfBoot 2.8.0 released

We are pleased to announce the release of wolfBoot 2.8.0, a major update that expands platform support, strengthens PSA and TrustZone integration, and delivers another round of meaningful hardening across the secure boot and firmware update flow. This release stands out for the breadth of hardware now supported. wolfBoot 2.8.0 adds or extends support for […]

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wolfSSH v1.5.0 Release

wolfSSH v1.5.0 is now available! This release brings additional post-quantum hybrid key exchange algorithms, a broad hardening pass across the code base, and a large number of bug fixes. There is also one low-severity vulnerability fix in this release affecting wolfSSHd on Windows when handling an edge case in terminal resize messages received from an […]

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wolfTPM SPDM vs The Field

The Only SPDM Implementation with Hardware TPM Support A Different Category wolfTPM’s SPDM implementation is not a standalone SPDM library. It is SPDM integrated directly with hardware TPMs, a category that no other open-source project occupies. wolfTPM works hand-in-hand with Nuvoton and NSING to deliver SPDM on real hardware, with full TCG SPDM binding, PSK […]

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