Hannes Tschofenig

Personal blog about various IETF and Internet related activities

 

Archive for IETF

Nov
16
2018

I attended Mbed Connect 2018 in San Jose and talked about the role of standards for IoT security. My co-worker Jan Jongboom provided a nice summary in this blog post “It’s a wrap: Mbed Connect US 2018 is done”. I stayed there for the entire event and was surprised about the large number of participants […]

May
9
2016

We are organizing another workshop on Internet of Things related matters. This time we will talk about the importance of software / firmware updates. We are seeking input on this topic via the workshop. The workshop webpage also provides examples for topics, such as: Protocol mechanisms for distributing software updates: What protocols mechanisms are available […]

Feb
19
2016

Early this year we announced our plans to organize an OAuth security workshop on the IETF OAuth mailing list. We did this after we held a per-invitation only security workshop late December in response to the discovery of the OAuth Authorization Server Mix-Up problem. In the meanwhile we have made progress in the planning activities and we […]

Feb
18
2016

Today’s Internet of Things deployments are not known for their great interoperability. Typically, devices are only able to speak to one specific gateway, app downloaded from the device vendor, or to a single cloud provider. Getting devices from different vendors to talk to each other is challenging. The reason for this situation is not necessarily a […]

Dec
23
2015

Last week Simon Lemay and I gave a tutorial about the Lightweight Machine-to-Machine (LWM2M) standard developed by the Open Mobile Alliance (OMA) to participants from the IETF ACE working group. LWM2M offers several features that are relevant for Internet of Things security and also for the work in the IETF ACE working group, such as […]

Dec
22
2015

During the second week of November 2015 ARM TechCon took place in Santa Clara/California. The event is packed with presentations (from ARM and from partners) and new technology gets announced, such as the TrustZone for v8-M architecture. TrustZone for v8-M brings TrustZone functionality, which was previously available only to Cortex A class devices, to Cortex […]

Aug
25
2015

Earlier this year I presented some performance results to the IETF LWIG working group. Here is the slide deck I presented to the community. The slides are also available for download. The idea of my presentation at the Dallas IETF meeting was to get others to enhance the performance investigations to gain a better idea of what can […]