Announcing wolfTPM v4.0.0
wolfTPM v4.0.0 is our largest release to date. It delivers three headline capabilities:
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Latest Posts
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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...Read more -
wolfBoot Adds SD Card Secure Boot for Xilinx Zynq UltraScale+ MPSoC
wolfBoot now supports SD card boot on the AMD/Xilinx Zynq UltraScale+ MPSoC (PR #699). This brings authenticated, signature-verified boot of Linux directly from SD card partitions on the ZCU102 evaluation kit, complementing the existing QSPI flash boot path that has been the sole production boot option until now. The ZCU102...Read more -
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.Read more -
Running wolfEntropy on PetaLinux 2025.1 with ZCU102
wolfEntropy is a jitter based source of entropy provided by wolfSSL. Evaluating entropy sources is a critical step when building secure systems, especially on embedded platforms where hardware RNG behavior must be validated. This post walks through running wolfEntropy on PetaLinux 2025.1 targeting the ZCU102 Evaluation Kit platform and reviewing...Read more -
Hardware-Backed Security Using wolfTPM with SPDM
Encrypted Bus Transfers, Multi-Vendor TPM Support, and TCG SPDM BindingRead more -
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...Read more -
wolfTPM SPDM vs The Field
The Only SPDM Implementation with Hardware TPM SupportRead more -
Announcing SPDM Support in wolfTPM
Lightweight Device Authentication for Nuvoton and NSING TPMsRead more -
A Thank You to Everyone who Helped with wolfssl-5.9.1
Here at wolfSSL, we are extremely proud of the work we do, but we also realize we owe a debt of gratitude to the wider community for their help and support. We make the best cryptography and security library NOT because we are perfect, but because we do the right...Read more