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.

wolfBoot: Secure Boot now with support for FIPS 204 ML-DSA post-quantum signature algorithm

NIST recently announced three new standards for post-quantum cryptography (FIPS 203-205), and among them was ML-DSA (FIPS 204, Module-Lattice Digital Signature Algorithm), a lattice-based algorithm derived from the round 3 finalist CRYSTALS-DILITHIUM. As a general purpose digital signature algorithm ML-DSA has attractive features, such as fast key generation, signing, and verifying, as well as a tunable security strength. ML-DSA also supports organizations migrating to CNSA 2.0.

Naturally the wolfSSL team found this quite interesting, and we eagerly set to work on ML-DSA support. We are pleased to announce we have added ML-DSA to wolfBoot, which is achieved by utilizing wolfCrypt’s implementation of dilithium (ML-DSA). This implementation supports all three parameter sets standardized in FIPS 204: ML-DSA-44, ML-DSA-65, and ML-DSA-87. If you’re curious, you can read more about it in our wolfBoot PQ docs, and test out the new ML-DSA config example.

In total, wolfBoot now has support for three NIST approved post-quantum algorithms:

Conspicuously absent from this list is FIPS 205, Stateless Hash-Based Digital Signature Standard (SLH-DSA, the NIST standard successor of SPHINCS+). Should we amend this absence? Let us know.

If you have questions about any of the above, please contact us at facts@wolfSSL.com or +1 425 245 8247.

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Achieving WireGuard GO FIPS Compliance with wolfCrypt

Last week we put out a blog post sharing our integration of wolfCrypt into WireGuard. But did you know that we’ve already ported our FIPS 140-3 certified cryptographic engine into WireGuard GO, the official user space implementation of WireGuard in golang?

In cases where WireGuard’s functionality is desired, but a kernel isn’t available or installing a kernel-level VPN isn’t feasible, WireGuard GO offers a flexible solution.

And if you require FIPS compliance in your WireGuard GO deployments, our latest efforts make this possible. Using our golang wrapper go-wolfssl, we replaced WireGuard GO’s standard crypto (ChachaPoly, Curve25519, Blake2s) with our own FIPS certified algorithms (AES GCM, ECC P-256, SHA-256). One thing to note here is that FIPS-ified WireGuard GO end-points may only communicate with other FIPS-ified end-points. This is because the same set of algorithms would be required on both sides for interoperability.

Although the usual trade-off of WireGuard vs WireGuard GO is performance vs simplicity and flexibility, wolfCrypt’s ability to utilize hardware acceleration for AES and SHA can let you keep reaping WireGuard GO’s benefits without having to compromise on performance.

See the README here for instructions to get started using WireGuard GO with wolfCrypt.

Are you interested in WireGuard GO with wolfCrypt FIPS 140-3?

If you have questions about any of the above or need assistance, please contact us at facts@wolfSSL.com or +1 425 245 8247.

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What are FIPS 203, 204, and 205?

This year, NIST released the following official standards documents:

What are they and what do they standardize? As a quick summary:

  • Kyber became ML-KEM (Module-Lattice-based Key-Encapsulation Mechanism) which is specified by NIST’s FIPS 203 document.
  • Dilithium became ML-DSA (Module-Lattice-based Digital Signature Algorithm) which is specified by NIST’s FIPS 204 document.
  • SPHINCS+ became SLH-DSA (StateLess Hash-based Digital Signature Algorithm) which is specified by NIST’s FIPS 205 document.

ML-KEM and ML-DSA are great for general purpose use in communications protocols. For example, ML-KEM is almost a drop in replacement for ECDH. We say “almost” because ECDH is a NIKE (Non-Interactive Key Exchange) whereas ML-KEM is a KEM (Key Encapsulation Mechanism) so their APIs and semantics have minor differences. Of course wolfSSL products abstract that difference away for our customers. ML-DSA is a drop-in replacement for RSA and ECDSA.

SLH-DSA has specialized use cases similar to those of LMS and XMSS, but it is stateless. That said, CNSA 2.0 specifically includes LMS and XMSS but not SLH-DSA.

Did you know that we have full implementation and support for optimized ML-KEM and ML-DSA? You can have a look and try them out for yourself. Simply download the wolfSSL library from download page, configure it to enable Dilithium and Kyber and run the benchmarks!

Here are the relevant configure-time flags:

--enable-kyber
--enable-dilithium

Are you interested in implementation and support for SLH-DSA or have questions about any of the above? Please contact us at facts@wolfSSL.com or +1 425 245 8247.

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Join wolfSSL Live Webinar: Getting Started with wolfMQTT

Unlock the Full Potential of Your IoT Security!

Join us for our upcoming webinar, “Getting Started with wolfMQTT,” on October 24th at 10 AM PT. This session will be led by wolfSSL Senior Software Engineer Eric Blankenhorn. He will introduce you to wolfMQTT, a lightweight client implementation of the MQTT protocol written in C for embedded systems.

Whether you’re just starting or looking to refine your expertise, this webinar will guide you through both the basics and advanced features of wolfMQTT, empowering you to secure your IoT applications more effectively.

Register Today: Getting Started with wolfMQTT
Date: October 24th | 10 AM PT

What you will learn:

  • Discover why a dedicated IoT protocol like MQTT is essential for securing device-to-device communication.
  • Explore key features and specifications supported by wolfMQTT, including SSL/TLS security for encrypted connections.
  • Understand the architecture of wolfMQTT and its seamless integration within embedded systems for IoT devices.
  • Learn how to configure and build wolfMQTT to maximize its capabilities for your IoT environment.
  • See real-world examples of wolfMQTT in action and apply practical insights to your projects.
  • Get a sneak peek into future development plans for wolfMQTT to stay ahead with emerging technologies and security needs.

In today’s rapidly evolving IoT landscape, ensuring the security and reliability of your networked devices is more critical than ever. wolfMQTT is designed to help you address these challenges, offering a powerful yet lightweight solution for securing IoT communication through MQTT. This webinar will equip you with the knowledge and tools to optimize wolfMQTT for your embedded systems, enabling you to enhance both security and performance.

Don’t miss this chance to enhance your IoT security expertise with the power of wolfMQTT. Register now!

As always, our webinars will include Q&A sessions throughout. If you have questions about any of the above, please contact us at facts@wolfSSL.com or +1 425 245 8247.

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Live Webinar: FIPS 140-3 and CNSA 2.0 Compliance in a Single Connection

As cybersecurity standards continue to evolve, FIPS 140-3 is set to become the cornerstone of government security compliance, offering stronger assurances for cryptographic security. To help you stay ahead of these requirements and implement robust solutions, we’re excited to invite you to our upcoming webinar: FIPS 140-3 and CNSA 2.0 Compliance in a Single Connection.

Register today: FIPS 140-3 and CNSA 2.0 Compliance in a Single Connection
Date: October 23rd | 10 AM PT

This webinar will cover:

  • FIPS 140-3 & CNSA 2.0: Understand the importance of FIPS 140-3, as well as the CNSA 2.0 timeline. We’ll explain how these standards enhance security and what you need to do to stay compliant.
  • Demo: Get hands-on guidance on downloading and building the code for compliance.
  • Post-Quantum Cryptography: Learn about post-quantum algorithms now available in wolfSSL, including Kyber, LMS, and XMSS, and how they can protect your systems against future threats.

Whether you’re managing embedded systems or working in government security, this webinar will give you the tools to ensure compliance and secure your systems for the future.

Register Today!

As always, our webinars will include Q&A sessions throughout. If you have questions about any of the above, please contact us at facts@wolfSSL.com or call us at +1 425 245 8247.

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Suite B Versus CNSA 1.0 Versus CNSA 2.0

With the CNSA (Commercial National Security Algorithm) 2.0 Suite coming into sharp focus recently, we thought we would talk about the history of how we got here and then focus on the differences between the various suites that came before it.

The first time the NSA came out with a suite of algorithms to be used to protect unclassified information was in 2005; it was called Suite B. The purpose was to specify algorithms that were approved so vendors knew what they needed to enable and disable in their protocols in order to provide security for the US federal government. It only allowed for AES, ECC and SHA2.

Later, in 2018 it was overridden by the CNSA 1.0 Suite which added in RSA and Diffie-Hellman but not DSA.

In 2022 CNSA 2.0 was announced, but interestingly, most of the algorithms it specified had not been standardized yet. For example, ML-DSA and ML-KEM have only just recently been standardized in 2024. The main focus of the 2.0 Suite is to ensure that vendors prioritize the transition to post-quantum algorithms.

Below is a chart of the algorithms that are specified for TLS and firmware/software signing use cases.

Use Case Suite B CNSA 1.0 CNSA 2.0
Firmware and Software Signing (i.e.: wolfBoot) N/A N/A LMS or XMSS; All parameter sets but without hyper-tree variants
TLS Key Establishment ECDH with P-256 or P-384 ECDH with P-384 or DH with 3072-bit modulus or RSA with 3072-bit modulus ML-KEM-1024 (FIPS-203)
TLS Authentication ECDSA with P-256 or P-384 ECDSA with P-384 or RSA with 3072-bit modulus ML-DSA-87 (FIPS-204)
TLS Symmetric Ciphers AES 128 or 256 in GCM mode AES 256 in GCM mode AES-256 in GCM mode
TLS Hash Algorithms SHA-256 or SHA-384 SHA-384 SHA-384

To our customers, know that wolfCrypt has implementations for all algorithms and parameter sets specified by Suite B, CNSA 1.0 and most notably CNSA 2.0. Please download the latest release of our wolfSSL source code archive at https://www.wolfssl.com/download/ and try it out.

The relevant configure time flags are:

  • –enable-lms
  • –enable-xmss
  • –enable-kyber
  • –enable-dilithium

All of them are specially implemented and optimized for maximum performance to run securely and with side-channel attack mitigations even on bare metal to satisfy secure boot use cases.

If you have questions about any of the above or need assistance, please contact us at facts@wolfSSL.com or call us at +1 425 245 8247.

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Repurposing ESP32 Devices for Enhanced Security: Insights from wolfSSL at Hackaday 2024

We’re excited to announce that wolfSSL will be attending the 2024 Hackaday Superconference from November 1st to 3rd in sunny Pasadena, California, as a featured speaker! Don’t miss our insightful talk, “Repurposing ESP32 Based Commercial Products,” where you’ll learn how to secure ESP32 devices and turn them into HomeKit compatible tools by flashing custom software onto existing products.

In this talk, we’ll dive into effective reverse engineering techniques, such as finding JTAG pins, and explore development and debugging using open-source Tigard JTAG hardware with VisualGDB in Visual Studio. We’ll also highlight how to implement secure cryptographic functions—like post-quantum TLS 1.3—using wolfSSL’s commercial-grade solutions. Additionally, we’ll discuss the risks associated with modifying high-voltage devices.

Conference Program Details:
Title: Repurposing ESP32 Based Commercial Products
Date and Time: November 2nd | 1:00 – 1:40 PM PT
Room: DesignLab

This is a fantastic opportunity to deepen your understanding of IoT security and cryptography, and see firsthand how wolfSSL is leading the way in secure solutions. Whether you’re looking to enhance your home automation setup or strengthen the security of your projects, this talk has something for everyone.

Get your ticket today!

wolfSSL will also be available at the conference to answer your questions and discuss the future of cryptographic solutions. Don’t miss this chance to connect with us and learn more about how wolfSSL is shaping the future of security.

If you have questions about any of the above, please contact us at facts@wolfSSL.com or +1 425 245 8247.

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Live Webinar in the European Time Zone: wolfHSM: Automotive Hardware Security Modules – Functionality, Design, and Applications

In the rapidly evolving automotive industry, ensuring data integrity, confidentiality, and authenticity is paramount. Hardware Security Modules (HSMs) play a critical role in this process by providing robust protection for cryptographic keys and secure data processing.

Register today: wolfHSM: Automotive Hardware Security Modules – Functionality, Design, and Applications in the European Time Zone
Date: October 16th | 6 AM PT / 3 PM CEST (Central European Summer Time)
This webinar is specifically designed for attendees in the European time zone.

Join us for an insightful webinar where Bill will explore the vital role of automotive HSMs. This session will cover a variety of key topics (agenda subject to change), including:

  • Essentials of Hardware Security Modules: Learn about the fundamental principles and functionalities of HSMs and their importance in automotive cybersecurity.
  • Functional Design Insights: Discover the design and operational features of advanced HSMs that enhance vehicle security.
  • Applications in AUTOSAR, SHE, and PKCS11: Understand how HSMs are integrated into critical automotive standards and frameworks, ensuring compliance and security.
  • Hardware Porting and Support Strategies: Gain effective strategies for porting and supporting HSMs across various hardware environments.
  • Demonstration of Practical Applications: A demonstration on a popular microcontroller, showcasing practical applications of HSM technology in securing automotive systems.

Don’t miss this opportunity to deepen your understanding of automotive HSMs and their essential role in securing next-generation vehicles. Register now to secure your spot!

As always, our webinars will include Q&A sessions throughout. If you have questions on any of the above, please contact us at facts@wolfSSL.com or +1 425 245 8247.

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wolfSSL wolfCrypt CSharp wrapper

wolfSSL is excited to announce additional support for wolfCrypt API’s in our CSharp (C#) wrapper. Our CSharp wrapper now includes wolfCrypt support for ECC (ECDSA/ECDHE), ECIES, RSA, ED25519/Curve25519, AES-GCM, and HASH cryptographic algorithms. The supported HASH algorithms are MD2, MD4, MD5, SHA, SHA-224, SHA-256, SHA-384, SHA-512, SHA-MD5, SHA3-224, SHA3-256, SHA3-384, SHA3-512, BLAKE2B, and BLAKE2S.

In addition to the CSharp wrapper, we supply a comprehensive test suite, `wolfCrypt-Test.cs` to test all of the supported cryptographic algorithms. The PR for these changes can be found here: PR# 3166.

To start using the wolfCrypt CSharp wrapper, please refer to the README.md, which contains useful information on how to get started. Another useful resource is the `wolfCrypt-Test.cs` suite, which shows common use cases and can help in validating your application setup.

If you have any questions about our wolfCrypt CSharp wrapper or need assistance, feel free to email us at facts@wolfssl.com or call us at +1 425 245 8247.

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Enhance Embedded System Security with ADI MAXQ1065 and wolfSSL

wolfSSL’s trusted partner, Analog Devices, Inc. (ADI), recently announced that integrating the MAXQ1065 with wolfSSL can significantly enhance security for IoT and embedded systems. Explore the ADI Engineer Zone blog post, Securing IoT and Embedded Systems: Integrate MAXQ1065 with wolfSSL, to discover wolfSSL’s competitive advantages and how this integration improves IoT security solutions and embedded system security applications.

If you have questions about any of the above, please contact us at facts@wolfSSL.com or +1 425 245 8247.

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