Secure Firmware Updates with wolfSSL

We believe that in today’s world of connected devices and heightened security concerns, digitally signing the firmware that is loaded onto your embedded or mobile device has become a top priority. One of the reasons that embedded RTOS environments do not include digital signature functionality is because it has historically not been a requirement for […]

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Certificate Generation in CyaSSL 1.8.0

With the release of CyaSSL 1.8.0, users are now able to create CA signed x509 v3 certificates. Certificate generation is turned off by default, but may be turned on during the ./configure process with the following option or by defining CYASSL_CERT_GEN in Windows or non-standard environments: –enable-certgen Currently CyaSSL only supports the MD5_WITH_RSA signature algorithm […]

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Lower Memory Use in wolfSSL 1.8.0

One of the improvements made in wolfSSL 1.8.0 is lower overall memory use through the use of configurable input / output buffer sizes and less dynamic memory use. wolfSSL 1.8.0 uses small static buffers for input and output. They default to 128 bytes and are controlled by the RECORD_SIZE define in cyassl_int.h. If an input […]

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wolfSSL and the Gargoyle Router

One of the community projects which uses wolfSSL is the Gargoyle Router. If you haven`t heard about the Gargoyle Router, it is an interface for small, widely available routers such as the Linksys WRT54G series or the Fonera. Adding additional functionality to the normal router firmware, it is based on the kamikaze release of the […]

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Kaizen: Continuous Small Improvements Will Yield Large Compound Improvement Over Time

We’re a fan of Ivan Ristic, and suggest you follow his blog at http://blog.ivanristic.com/.  We enjoy his work and appreciate his occasional constructive criticism of our work.  One of his recent presentations caught our eye.  It’s motivating and packed with ideas regarding SSL.  Check it out here:  http://blog.ivanristic.com/2010/11/stop-complaining-and-solve-a-security-problem-instead.html. We like the title:  Stop Complaining and Solve […]

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EE Times Picks Top Ten Technologies to Watch in 2011

See their picks here:  https://www.eetimes.com/document.asp?doc_id=1258133.  We’re keenly interested in Augmented Reality and Automotive Radar for personal reasons.  It’s just good and useful stuff that will make our lives better.  For business reasons, we’re closely following Personal Power Management, which allows you to see your power consumption in timely (not real timely), but actionable increments.  For those […]

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