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.

Live Webinar: wolfHSM – wolfSSL and Automotive Hardware Security Modules (HSMs)

Welcome! Join us for one of our most popular wolfSSL webinars, “wolfHSM: wolfSSL and Automotive Hardware Security Modules (HSMs)” scheduled for February 22nd at 10am PT, presented by wolfSSL Software Engineer, Bill. As vehicles have evolved into digital systems over the years, evaluating automotive cybersecurity has become a key aspect of automotive safety.

Watch the webinar here: wolfHSM: wolfSSL and Automotive Hardware Security Modules (HSMs)

Sneak peek of the webinar:

    • Automotive HSM Features
    • wolfHSM Functional Design
    • wolfHSM Applicability to Standards
    • wolfHSM Hardware Ports and Plans
    • wolfHSM Demo
    • wolfHSM Future Targets

And much more

If you are seeking solutions to enhance your automotive security system, seize this opportunity to delve into the fundamental and advanced features of wolfHSMs. Discover the comprehensive capabilities that wolfSSL products can offer. Bring all your questions related to Automotive HSMs, as Bill is ready to address your questions!

Watch now!

As always, our webinars will include Q&A sessions throughout the webinar. 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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Post-Quantum Hybrid Solutions

Here at wolfSSL, when it comes to post-quantum algorithms, we are careful to provide conservative approaches. We are aware that these algorithms are new and developments are still on-going as cryptographers continue analyzing these algorithms. As such, we always encourage hybridizing with conventional algorithms. Here are the hybrids we offer:

Hybrid Key exchange via concatenation in TLS 1.3 and DTLS 1.3

  • ECDHE P-256 Kyber Level 1
  • ECDHE P-384 Kyber Level 3
  • ECDHE P-521 Kyber Level 5

Hybrid authentication via dual key/sig certificates in TLS 1.3

  • ECDSA P-256 and Dilithium Level 2
  • ECDSA P-384 and Dilithium Level 3
  • ECDSA P-521 and Dilithium Level 5
  • ECDSA P-256 and Falcon Level 1
  • ECDSA P-521 and Falcon Level 5
  • RSA-3072 and Dilithium Level 2
  • RSA-3072 and Falcon Level 1

MQTT protocol relies on TLS, so wolfMQTT has support for everything above.

ECDHE P-256 hybridized with Kyber Level 1 in wolfSSH

  • ecdh-nistp256-kyber-512r3-sha256-d00@openquantumsafe.org

Go ahead and try them out today!

And finally, we are also developing support for X25519 in wolfSSH. Soon to come after that will be X25519 hybridized with Kyber in wolfSSH. Let your voice be heard! Let us know if you want to try this out. The more interest there is out there, the higher it will rise in priority!

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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ARMv9 Security Extensions with wolfCrypt FIPS, wolfSSL, and wolfBoot

Hi! Are you interested in leveraging wolfSSL products with an ARMv9 device? Do you need FIPS on an ARMv9 device?

We are here to help, and will be initiating support for the ARMv9 primitives to maximize security and performance for our users. Some of the things we’ll leverage include:

  • Random Number Generator instructions (AArch64)
  • General Matrix Multiply (GEMM) instructions (AArch64)
  • Atomic 64-byte load and stores to accelerators (AArch64)

If you’d like to discuss or have questions about any of the above, please email us at facts@wolfSSL.com, or call us at +1 425 245 8247.

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wolfBoot support for the STM32C0 in 2024

We have added wolfBoot support for the new STM32C0. This is a low cost MCU similar to the STM32G0 based on a Cortex-M0 (48MHz). It is a very low cost general purpose 32-bit MCU with up to 32KB flash and 12KB RAM.

Our wolfBoot secure bootloader is the only solution available for this platform thanks to our small code size. Most STM32 parts are supported with wolfBoot out of the box.

The default STM32C0 configuration uses RSA 2048-bit and SHA2-256 and is less than 10KB. This leaves 10KB for the application partition, 10KB for the update partition and one 2KB sector for swap.

STM32C0 documentation and build steps can be found here.

See our video series with ST for a tutorial on using wolfBoot.

wolfBoot Features:

  • Written in C for bare-metal use
  • Small footprint to run on small embedded devices
  • Memory safety (no malloc/free)
  • Support for on-board or external SPI flash
  • Simple partitioning and header scheme
  • Abstracted HAL design for CPU speed and flash
  • Bootloader handles swapping and loading of partitions
  • Key tools for key generation/import and signing
  • Encrypted updates
  • Delta updates (only differences)

Signature algorithms supported:

  • ECC (SECP256R1,SECP384R1)
  • RSA (2048/3072/4096)
  • ED25519
  • ED448
  • Post Quantum LMS and XMSS

Firmware image integrity using hash digest:

  • SHA2-256
  • SHA2-384
  • SHA3-384

Flexible partition scheme determined at build-time:

  • Bootloader (10-30KB)
  • Application
  • Update
  • Swap (1 sector)
  • And custom partition ID’s

Reliable Firmware update mechanism:

  • Independent from the update transport mechanism
  • Fallback to a previous version when the update fails
  • Resume interrupted swap operations during update, in case of power failure

Support for STM hardware crypto acceleration:

  • STM32 HASH/AES/PKA
  • ST33TP* TPM 2.0 using wolfTPM
  • STSAFE

If interested in trying our wolfBoot on the STM32C0 or curious about post-quantum signature support in wolfBoot please contact facts@wolfSSL.com or call us at +1 425 245 8247.

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What is AUTOSAR and How is Crypto Used with it?

AUTOSAR stands for AUTomotive Open System ARchitecture and is a group of companies that set a standardized way for components used in the automotive industry to interface with each other. There are multiple release versions of the AUTOSAR documents and standardizations, but the ones we focus on are those that consume cryptography, and in particular how the AUTOSAR cryptography standards can consume wolfCrypt. The AUTOSAR crypto stack is made up of Crypto Service Manager, Crypto Interface, and Crypto Driver. Where the Crypto Service Manager is the highest level of abstraction and the Crypto Driver is at the lowest level, the driver being either provided by a cryptography implementation done in software or hardware or resident in an automotive HSM. wolfCrypt is callable in all of the above scenarios through the AUTOSAR abstraction API’s. One of the benefits of using AUTOSAR with wolfCrypt is seamless transition between our software encryption, our encryption calling into hardware encryption, or calling into an HSM as you re-use your higher level code in successive projects.

If you have a need for software cryptography operations that conform to the AUTOSAR specifications contact us at facts@wolfSSL.com. You can find some example code from here.

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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Live Webinar: Getting Started with wolfMQTT

Welcome to the third episode of the Getting Started series! Join us for “Getting Started with wolfMQTT” on February 15th at 10 am PT, presented by wolfSSL Senior Software Engineer, Eric. Explore how wolfMQTT, a client implementation of the MQTT protocol written in C for embedded systems, can bolster your IoT security. Eric will guide you from foundational concepts to advanced features, empowering you to effectively utilize the capabilities of wolfMQTT.

In this webinar, you’ll delve into key topics including:

  • The significance of having a dedicated IoT protocol
  • An overview of the MQTT protocol
  • Specifications supported by the wolfMQTT client
  • Understanding the architecture of wolfMQTT
  • Configuration and build processes
  • Real-world wolfMQTT examples
  • Insights into future development plans

Watch the webinar now: Getting Started with wolfMQTT

Don’t miss this opportunity to enhance your understanding of MQTT and strengthen your security infrastructure with wolfMQTT. Watch now!

As always, our webinars will include Q&A sessions throughout the webinar. 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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wolfBoot Support for Renesas RZ/N2L

wolfBoot currently support both Renesas RA6M4 and RX72N MCUs. Supporting other Renesas MCUs for wolfBoot should not be difficult. We are considering the addition of Renesas RZ/N2L support for wolfBoot, which will build on our existing support at the wolfSSL and wolfCrypt level for Renesas RZ/N2L.

The Renesas RZ/N2L uses a high-performance Arm Cortex-R52 core to easily add network functionality onto industrial equipment and machines. The RZ/N2L is supported by an open and flexible ecosystem concept – the Flexible Software Package (FSP), built on FreeRTOS – and is expandable to use other RTOS and middleware solutions.

If you are interested in wolfBoot support on the RZ/N2L or 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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wolfSSH Adds Support for Zephyr RTOS

The wolfSSH 1.4.15 release includes brand new support for the Zephyr RTOS. wolfSSH is a lightweight SSH library designed for embedded systems. It is a performant and low footprint solution, making it an ideal choice for IoT devices. The Zephyr RTOS is an open-source, scalable, and flexible real-time operating system tailored for resource-constrained devices. Its modular architecture and broad hardware support make it a popular choice for various embedded applications.

wolfSSH is introduced as a new module in the Zephyr ecosystem. Necessary steps to get started include setting up wolfSSH as a Zephyr module, modifying the west manifest, and finally building your project. In-depth instructions to set up wolfSSH with Zephyr can be found at the wolfSSH Github.

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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Skipping the Cookie Exchange in DTLS 1.3

wolfSSL 5.6.6 introduces the option for DTLS 1.3 servers to skip the cookie exchange on a session resumption. The cookie exchange is a security mechanism employed during the resumption of a DTLS 1.3 session. When a client wants to resume a previous DTLS 1.3 session, it sends a session ticket to the server, which may respond by issuing a “cookie” to the client. This cookie serves as a challenge-response mechanism, requiring the client to present it during the resumption attempt. The purpose of this exchange is for the client to demonstrate reachability at their apparent network address. In some cases, you may choose to skip the cookie exchange if the client presents a valid ticket or pre-shared key (PSK).

To resume a DTLS 1.3 session without the cookie exchange:

  • Compile wolfSSL with WOLFSSL_DTLS13_NO_HRR_ON_RESUME defined. Either:
    • When compiling with configure add CPPFLAGS=-DWOLFSSL_DTLS13_NO_HRR_ON_RESUME
    • When compiling with user settings add #define WOLFSSL_DTLS13_NO_HRR_ON_RESUME
  • Call wolfSSL_dtls13_no_hrr_on_resume(ssl, 1) on the WOLFSSL object to disable the cookie exchange on resumption
  • Continue like with a normal connection

If you have any questions about using DTLS 1.3 in wolfSSL, please contact us at facts@wolfSSL.com or call us at +1 425 245 8247.

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Live Webinar: Solutions for the Satellite Industry

Get ready to learn the best practice for satellite cybersecurity with wolfSSL.

Join us for a webinar on “Solutions for the Satellite Industry” on February 8th at 10 am PT presented by wolfSSL Software Engineer, András. He will delve into robust solutions and best practices to safeguard satellite cybersecurity. This webinar is a must-attend for professionals in the aerospace and cybersecurity industries.

Watch the webinar here: Solutions for the Satellite Industry

Sneak Peek of the webinar:

  • Introduction to wolfSSL
  • Key wolfSSL Technologies for Satellite Security
  • High-Quality SSL/TLS Testing
  • Q&A

Don’t miss out on this opportunity to gain insights into the latest advancements in satellite cybersecurity. András will guide you through how FIPS, wolfBoot (Secure Boot), wolfTPM, wolfEntropy, and SSL/ TLS testing contribute to a secure satellite environment. Discover how wolfSSL conducts testing to ensure the highest level of security in SSL/TLS protocols. Watch now and get answers to your specific questions from András.

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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