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.

Post-Quantum KEM TLS 1.3 Security Level Fix

Recently, in our 5.7.4 release we fixed a bug in our TLS 1.3 post-quantum key exchange implementation. The bug was that when users wanted to use post-quantum Kyber (ML-KEM) for key establishment in TLS, the security level the user picked was being ignored by the wolfSSL library.

The fix can be found here.

With this simple fix, you can be assured that you are negotiating post-quantum key establishment at the desired security level. This is true for both Kyber (ML-KEM) on its own as well as hybridized with ECDH.

Users building with –enable-kyber and enabling PQC cipher suites with TLS 1.3 connections are recommended to update the version of wolfSSL used.

Big thanks to Daniel Correa for finding and reporting the bug.

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: Advanced libcurl

Are you ready to elevate your libcurl expertise? Join us on December 12th at 10 AM PT for an exclusive webinar led by Daniel Stenberg, the creator and lead developer of curl. This session will delve into advanced libcurl techniques, from debugging to mastering APIs, providing practical insights you can immediately apply to your projects. If you’re looking to enhance how you work with data transfers, this is your opportunity to learn from the best and unlock the full potential of libcurl.

register Now: Advanced libcurl
Date: December 12th | 10 AM PT

This webinar will kick off with an overview of essential libcurl knowledge before progressing into advanced topics that are crucial for optimizing your workflows. Daniel will cover critical APIs, such as the Multi API, Share API, Header API, and URL API, as well as techniques for debugging and setting up complex transfers. Attendees will leave with a solid understanding of how to leverage libcurl’s full potential for efficient, secure, and scalable data transfers.

This webinar will cover:

  • Introduction to libcurl basics
  • Advanced debugging techniques in libcurl
  • Configuring complex setup with transfer control
  • Mastering the multi API for concurrent transfers
  • Using the share API for shared resources
  • Working with the Header API to manage HTTP headers
  • Exploring the URL API for simplified URL handling

Don’t miss this opportunity to learn from the expert behind one of the most powerful data transfer tools. Make 2024 your year of mastering libcurl by learning these advanced techniques before the year ends!

Register Now

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

Note: Webinar content is subject to change.

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wolfCLU Initial s_server Support

We have added initial support for the s_server command to wolfCLU! This exciting new feature supports handling basic TLS connections leveraging the best tested cryptography from the wolfSSL library. It is a quick way to set up simple TLS connection tests. So far the arguments available are :

```
./wolfssl s_server
	-help
	-port <+int>
    	Port to listen on.


	-key 
    	only PEM can be used.


	-cert 
    	only PEM can be used.


	-noVerify
    	Disable client cert check.


	-CAfile 
    	only PEM can be used.


	-version 
    	SSL version [0-4], SSLv3(0) - TLS1.3(4))


	-naccept <+int>
    	Number of times to accept.(default 1)


	-www
    	The response is in HTML format.


	-readyFile 
    	Create Ready file for external monitor.
```

For interest in expanding the capabilities or questions in general, please contact us at facts@wolfSSL.com or +1 425 245 8247.

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wolfCLU Tests

Throughout the last development cycle, we have increased the test coverage for wolfCLU. This includes many different types of tests done with continuous integration. One of the tests expanded was involving -fsanitize=address builds on every code addition by updating the GitHub actions used. Another was expanding the unit test for the new features added including the ML-DSA (Dilithium support). This is all part of a never ending effort to always be improving on the quality of wolfCLU. Feel free to reach out to us at support@wolfSSL.com with any troubles encountered when using wolfCLU.

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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wolfCLU dgst Command

The `dgst` command of wolfCLU saw support for some new arguments with the latest release. Support for `-inform` was added, giving the flexibility to choose if the incoming file is in DER or PEM format. Before only PEM formatted inputs were handled and the application would gracefully error out if a DER input had been given. An example of using this new argument would be the following `wolfssl dgst -inform DER -sign private.ec.der -sha512 -out test.wc.sig test.bin`. To see all of the options available for the `dgst` command uses the `-h` flag, i.e. `wolfssl dgst -h`.

For more information or questions about any of the above, please contact us at facts@wolfSSL.com or +1 425 245 8247.

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wolfCLU PEM Key Enhancement With Sign and Verify

Enhancements were made to wolfCLU for using PEM formatted keys with sign and verify operations. Previously, the sign and verify commands only expected DER formatted keys. This addition was made for all supported algorithms: RSA, ECC, and ED25519. It can be used with the flag -inform. An example would be `wolfssl rsa -inkey priv.key -inform PEM -sigfile signature.bin -in sign-this.txt -out result`. This new enhancement helps make it easier to quickly generate a signature of a file. No longer have the restriction on the format of keys used and the hassle of converting between the two.

For more information or 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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wolfCLU RSA Command

The `rsa` command with wolfCLU just got better! Now there is support for `-pubin` and `-pubout` options. This facilitates loading in a RSA public key only and printing out just the public version of the key. Very useful for cases such as signature verification where you may only have the public part of the key, or for printing out the public version of an RSA key to distribute to others. The expanded support follows the same naming as the OpenSSL command line utility, making it easy to interchange the command line utility being used.

For more information or questions about the above, contact us at facts@wolfSSL.com or call +1 425 245 8247.

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wolfCLU Adds Support for Post Quantum ML-DSA (Dilithium) Signatures!

We have added support for creating and verifying signatures with ML-DSA. This new feature was introduced in wolfCLU release 0.1.6 and can be seen in the handy help message by running `wolfssl -h`. There are a couple of options available to be passed to the new `dilithium` command to increase the flexibility for tuning performance versus security strength.

For more information or questions about the above, please contact us at facts@wolfSSL.com or +1 425 245 8247.

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Post-Quantum Cryptography on an Automotive HSM??

Quantum computers are not a far-off dream anymore—they are increasingly becoming a reality, and that brings challenges for the future of secure communications. Traditional public-key cryptosystems like RSA and ECC are vulnerable to quantum attacks, making the transition to post-quantum cryptography (PQC) a vital consideration for businesses planning long-term security solutions, especially those in the Automotive and industrial sectors. With emerging standards from NIST, post-quantum algorithms are paving the way for a new era of cryptographic resilience. However, until now, no commercially available HSM solutions offered support for these post-quantum algorithms, leaving industries like automotive, aerospace, and industrial that rely on HSM security struggling to adopt these critical technologies. Until now.

Enter wolfHSM, our innovative Hardware Security Module (HSM) firmware framework, designed to bring state-of-the-art cryptography to HSM platforms. wolfHSM delivers a unified API for secure cryptographic operations, object storage, and key management on hardware platforms with HSM coprocessors. This allows applications to harness a device’s hardware root of trust while providing a streamlined abstraction for offloading cryptographic operations to the HSM via the wolfCrypt API.

Built on the flexibility of wolfCrypt, wolfHSM enables easy integration of a wide range of cryptographic standards, from trusted legacy algorithms to cutting-edge standards like the latest in post-quantum. This adaptability is what sets wolfHSM apart from the legacy Automotive HSM’s. With traditional HSM solutions, you’re stuck with a fixed set of algorithms, with no option to adapt to evolving security requirements. wolfHSM changes the game—it empowers you to deploy any algorithm supported by wolfCrypt as needed, including post-quantum algorithms. You can easily pivot from RSA or ECC to quantum-resistant alternatives like ML-KEM (Kyber), ML-DSA (Dilithium), Falcon, or LMS/XMSS. This will give you flexibility to meet evolving government regulations like CNSA 2.0, UN R155, and others.

As the cryptographic landscape shifts toward quantum resistance, the inherent flexibility afforded by wolfHSM is an easy way to reduce risk when developing your application. With wolfHSM, your application can evolve with these changes—supporting new standards as they emerge and swapping algorithms without the need for expensive hardware changes. With wolfHSM, adding post-quantum cryptography to your HSM-based applications is as straightforward as using standard algorithms like RSA or AES, giving you future-proof security today.

Whether you need to prepare your infrastructure for quantum-safe cryptography or simply want to keep your cryptographic options open, wolfHSM has you covered. wolfHSM’s intrinsic crypto-agility ensures that new requirements can be met quickly and securely without the need for a complete overhaul of your existing infrastructure. This means peace of mind, knowing that your security is always one step ahead of the next threat.

wolfHSM supports a variety of automotive HSM platforms, including the Infineon AURIX TC3xx, ST SPC58N, and Renesas RH850, but can be ported to run on any device—bringing crypto agility and quantum resilience to your platform of choice.

Interested in taking your HSM application into the quantum age? Want to use post-quantum algorithms like LMS, ML-KEM, ML-DSA, or XMSS on an AURIX TC3xx HSM? Let us know! Reach out to us at facts@wolfSSL.com, and let’s discuss how we can help future-proof your 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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Kick Off the Holidays with wolfSSL’s Week of Webinars

Get ready to kick off the holiday season with wolfSSL’s Week of Webinars! From December 2nd to December 6th, join our cybersecurity experts as we dive into critical topics such as FIPS 140-3 compliance, DTLS 1.3, incorporating wolfSSH into your Yocto builds, and the launch of Rock-Solid curl. We’re bringing you in-depth knowledge to boost your security expertise. These webinars offer a chance to connect, learn, and get your questions answered in real-time.

Mark your calendars and secure your spot for one or all of our sessions!

Week of Webinar Schedule:

  • December 2nd | 10 AM PT
    FIPS 140-3 and CNSA 2.0 Compliance in a Single Connection

    Discover how to simplify security compliance with FIPS 140-3 and CNSA 2.0 in our live webinar on December 2nd at 10 AM PT. This session will explore wolfCrypt FIPS 140-3 Cert #4718, and CNSA 2.0’s future impact. Learn how wolfSSL simplifies compliance with features like Known Answer Tests, Startup Integrity Checks, and post-quantum algorithms. Follow along with a live demo to achieve seamless compliance.

    Register Now

  • December 3rd | 4 PM PT / December 4th | 9 AM JST
    Everything You Need to Know About FIPS 140-3

    Discover the essentials of FIPS 140-3 compliance in our webinar tailored for the Asia Pacific time zone on December 3rd at 4 PM PT / December 4th at 9 AM JST. Discover how FIPS 140-3 strengthens cryptographic security, explore wolfCrypt certifications, and get updates on wolfSSL’s FIPS roadmap, including post-quantum advancements.

    Register Now

  • December 4th | 10 AM PT
    Everything You Need to Know About DTLS 1.3

    Join wolfSSL on December 4th at 10 AM PT for an in-depth exploration of DTLS 1.3 and its vital role in modern security communication. This highly-anticipated session will uncover the key enhancements of DTLS 1.3 over DTLS 1.2, practical use cases in UDP-based applications, and wolfSSL’s cutting-edge examples and best practices for implementing DTLS 1.3.

    Register Now

  • December 5th | 10 AM PT
    Rock-Solid curl

    Join us on December 5th at 10 AM PT for an exclusive webinar unveiling Rock-Solid curl, the long-term support version tailored for maximum security, stability, and reliability. Learn how this release ensures smooth implementations, enhanced security measures, and a five-year support commitment—perfect for businesses prioritizing application security.

    Register Now

  • December 6th | 10 AM PT
    How to incorporate wolfSSH in Your Yocto Builds

    Join us on December 6th at 10 AM PT to learn how to build and integrate wolfSSH into your Yocto Project environments, enhancing secure file transfer and communication capabilities. This webinar will explore practical techniques for seamless integration, advanced configurations, and real-world deployment scenarios.

    Register Now

These webinars are designed to give you actionable insights into today’s most pressing cybersecurity topics, with live Q&A in each session. Don’t miss this opportunity to learn from industry experts and advance your knowledge in cybersecurity!

As always, our webinar will include Q&A 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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