Looking to add SSL/TLS to your Keil project? The wolfSSL embedded SSL/TLS library is a lightweight SSL/TLS library written in ANSI C and targeted for embedded, RTOS, and resource-constrained environments – primarily because of its small size, speed, and feature set. For Keil MDK and uVision users we provide a CMSIS pack that enables them […]
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Better ASN.1 Support with Templates
wolfSSL has significant improvements on how we parse and encode ASN.1 data like certificates and keys. Parsing X.509 certificates, and RSA and ECC keys is important to do correctly. In fact, vulnerabilities come from not checking the validity of the encoding correctly! Reading outside the encoded data can result in crashing of your application or […]
Read MoreMore TagHow to build a smaller wolfSSL library when used with cURL?
The size of software builds can often be a concern for developers, particularly in embedded systems or other resource-constrained environments. Recently, a change was made to the wolfSSL library that has resulted in smaller build sizes when used with the popular cURL library. The change in question was made in a pull request to the […]
Read MoreMore TagwolfSentry Protecting the CAN bus
The CAN bus is becoming ubiquitous in vehicle and factory automation the world over. The devices it connects are becoming more powerful and more connected to the outside world. As such security for the devices on this bus is becoming more and more important. In a previous post we mentioned that we have provided an […]
Read MoreMore TagLive Webinar: wolfSSL and Keyfactor: Cryptography and PKI solutions for embedded IoT devices
Exciting News! Join us for an informative webinar hosted by Chris Conlon from wolfSSL, and Guillaume Crinon and Ellen Boehm from KEYFACTOR! Join us on 7/27/2023 for an exciting and informative webinar! We are delighted to bring together two innovative companies, wolfSSL and KEYFACTOR. It is your chance to discover how wolfSSL and KEYFACTOR can […]
Read MoreMore TagwolfSSHd on Windows
Are you looking for an excellent Windows SSHd service? wolfSSL is adding Windows support for our SSHd implementation! This allows for running wolfSSHd as a service in Windows 10 and newer environments, handling SFTP, SCP and shell connections. If you have any questions or run into any issues, contact us at facts@wolfssl.com, or call us […]
Read MoreMore TagHow to Use SECO with wolfSSL
On i.MX8 devices there is a SECO (https://www.nxp.com/docs/en/application-note/AN12906.pdf) hardware module available for heightened security. This module handles AES operations, limited ECC operations, key storage, and provides a RNG. wolfSSL has long since been expanded to make use of the SECO where possible. A full step by step guide for building wolfSSL and setting up Linux […]
Read MoreMore TagDO-178 Certifiable wolfBoot and wolfCrypt are now available for 11th Generation intel Core i7
wolfBoot is now ported and available for intel Tiger Lake systems! wolfBoot leverages wolfCrypt DO-178 for its cryptographic functionality. The initial operating system targeted for boot is Green Hills Integrity, but we expect to add support for DDCI’s DEOS, SYSGO, Wind River’s VxWorks, and LynxOS over time. Currently, wolfCrypt is in service or “in the […]
Read MoreMore TagDelta Firmware Updates with wolfBoot
A quite unique feature of wolfBoot is the possibility to update the firmware using signed incremental updates. The mechanism relies on a delta algorithm that produces a small update package. Instead of transferring the entire binary image of the firmware update, incremental updates only contain the binary difference with the previous version. Distributing a new […]
Read MoreMore TagWhat is a Block Cipher?
A block cipher is an encryption method that applies a deterministic algorithm along with a symmetric key to encrypt a block of text, rather than encrypting one bit at a time as in stream ciphers. For example, a common block cipher, AES (Advanced Encryption Standard), encrypts 128 bit blocks with a key of predetermined length: […]
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