Latest Posts

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  wolfBoot v1.2 Now Available!

  The wolfSSL wolfBoot Secure Bootloader version 1.2 is now available! With this release comes various improvements and updates, including additional hardware support. Below lists the release notes associated with version 1.2: -  Added support for multiple architectures -  key generation and signing tools rewritten in python for portability -  Added...

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  wolfSSL with WSL (Windows Subsystem for Linux)

  Microsoft has created a Linux subsystem that allows running Linux distributions on Windows 10. This blog describes the steps for building and running wolfSSL on WSL.

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  wolfTPM support for Xilinx Zynq and VxWorks

  The wolfTPM library has now been tested on the Xilinx Zynq UltraScale with VxWorks. 

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  Vulnerability Disclosure: TLSv1.3 PSK extension parsing potential buffer overflow

  Affected Users:

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  Vulnerability Disclosure: ECDSA signing operations and nonce size leaks

  Settings that mitigate this vulnerability in affected versions **(secp256r1 only, all other curves are affected):**

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  wolfSSL 4.1.0 Now Available

  wolfSSL is excited to announce its summer release of the wolfSSL embedded SSL/TLS library version 4.1.0! As with each release, wolfSSL 4.1.0 comes with many feature additions, bug fixes, and improvements to the wolfSSL library. 

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  Differences between TLS 1.2 and TLS 1.3 (#TLS13)

  wolfSSL’s embedded SSL/TLS library has included support for TLS 1.3 since early releases of the TLS 1.3 draft. Since then, wolfSSL has remained up-to-date with the TLS 1.3 specification. In this post, the major upgrades of TLS 1.3 from TLS 1.2 are outlined below: TLS 1.3 This protocol is defined...

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  Multithread Support in wolfMQTT

  The most requested feature for the wolfMQTT client library is now available! Multithreading support allows an application to create multiple threads that use the wolfMQTT client library. There is a new example that demonstrates this functionality, located in examples/multithread/. This example creates a thread that subscribes to a topic and...

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  wolfSSL and the Zombie POODLE and GOLDENDOODLE Attacks

  The wolfSSL library is NOT vulnerable to these attacks, thanks to previous fixes we’ve made and our extensive testing. 

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  Building wolfSSL and TLS 1.3 on Windows

  We wanted to cover building for TLS 1.3 today for our Windows users! For those interested in testing with TLS 1.3 on Windows system please use the wolfssl64.sln located in the root directory of our download (wolfssl-x.x.x/wolfssl64.sln). The wolfssl64.sln solution provides builds configurations for:

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