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 […]
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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 […]
Read MoreMore TagLive 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 […]
Read MoreMore TagOverview of Testing in wolfSSL
The security of wolfSSL products is always on the wolfSSL team’s mind and holds high importance. Conducting regular, diligent, and well-planned testing helps maintain wolfSSL’s robustness and security. The wolfSSL team strives to write and maintain clean, readable, and understandable code. API Unit Testing: Unit tests are in place to test API functions for correct […]
Read MoreMore TagwolfSSL Adds Support for 0.5-RTT Data in (D)TLS 1.3
(D)TLS 1.3 support for 0.5-RTT (round trip time) data has been introduced to wolfSSL in the latest release (5.6.6). 0.5-RTT data is an optimization in (D)TLS 1.3 that significantly reduces latency and improves overall performance of application data. The full handshake requires two full round trips to start sending data while this functionality allows the […]
Read MoreMore TagTesting For Your Use Cases
Here at wolfSSL, we love to tout that we have the best tested cryptography library in the world and we stand by that statement 100%. You can even have a look at some of the unit tests in all our products. Simply build any one of our products and execute make check to see our […]
Read MoreMore TagSecure Embedded Systems with wolfSSL: Daniel Stenberg’s cURL Insights at FOSDEM 2024
Get ready to dive into a world of data transfer libraries with Daniel Stenberg, the founder of cURL, at FOSDEM 2024 on February 3rd and 4th in Brussels, Belgium Daniel Stenberg, the driving force behind cURL, is a featured speaker at FOSDEM 2024 where he will deliver two presentations. The first presentation, “Broom not included: […]
Read MoreMore TagLive Webinar: Secure and Reliable Firmware Updates with wolfBoot in 2024
Join us for a webinar on ‘Secure and Reliable Firmware Updates with wolfBoot,’ presented by wolfSSL Senior Engineer and security expert, Daniele on February 1st at 10 am PT. Watch the webinar here: Secure and Reliable Firmware Updates with wolfBoot Explore the challenges associated with connected embedded systems that allow remote updates of various artifacts […]
Read MoreMore TagHandshake Message Coalescing Vulnerability
wolfSSL prior to version 5.6.6 had a vulnerability where the (D)TLS key boundaries were not properly checked. As a result, it was possible to combine (D)TLS messages using different keys into one (D)TLS record. The most extreme edge case is that, in (D)TLS 1.3, it was possible that an unencrypted (D)TLS 1.3 record from the […]
Read MoreMore TagwolfBoot v2.0.0 intel x86_64 support
wolfBoot v2.0.0 introduced support for the Intel x86-64 bit architecture by leveraging the Intel Firmware Support Package (Intel FSP) and several new exciting and interesting features: TPM integration, Multiboot2/ELF support, PCI support, AHCI support, SATA security features, and others. On Intel x86_64, wolfBoot uses a dual stage design. In the first stage, It initializes the […]
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