So, what encoding should a URI in OpenID Connect and OAuth discovery document use for an internationalized domain name such as “müsik.example.com”? . One option is to represent it in the encoding of the discovery document. As of January 2018, it MUST be UTF-8. Another option is to represent it in the punycode. Then, “müsik.example.com” will become […]
I just came across with Don Tapscott’s TED Talk titled “How the blockchain is changing money and business” . In it, he talks about 5 potential use cases of blockchain technology that may result in transformations for a prosperous world. They are: Protecting rights through immutable records, e.g., land title. In many places in the world, government official […]
Seasons Greetings 2017 This year, we have decided to record Adolphe Adam’s Cantique de Noël (O Holy Night) as our original greeting card. It is a simple music with very few notes, but as it gets simpler, it becomes more challenging to play as usual. We kind of struggled a bit recording it and it […]
Here is the slide I used for APIDays Berlin 2017: Banking APIs and PSD2 — The finish line for PSD2 and Open Banking. A couple of questions came around, which I did not do a really good job of answering. Here are clearer answers: Q.1 What does protecting ‘code’ and ‘state’ mean? A.1 In RFC6749, what is being returned from […]
The keynote presentation at the #EIC17 by Stephan Gerhager was an intriguing one. It amply told us that the security model around cars is really scary. I do not feel good driving a connected car after hearing it. It is a pity that neither video nor presentation is available, but here are my notes. You can […]
Here is the slide I used in API Days Paris 2016, for the Banking track. Direct link to slideshare: http://www.slideshare.net/nat_sakimura/financial-grade-oauth-openid-connect Hope they are useful.
Season’s greetings 2016 This year, we have decided to record Wolfgang Amadeus Mozart’s Ave Verum Corpus (KV.618) as our original greeting card. It is only 46 bars but is one of the most profound music that Mozart wrote in his late days. It was written for four parts choir with strings and organ but we […]
On the 14th and 15th of July, we had the OAuth Security Workshop 2016 at the University of Trier. Further, we had a IETF 96 side meeting on OAuth security at 18:20 in the beautiful Café am Neuen See to further discuss it. Below is the summery of what I got as the take away of these meetings. […]
(Following is the transcript of my speech at the TUAC Forum at the 2016 OECD Ministerial on the Digital Economy) Q. Why is access to an open internet important? Simply put, it is because the open access to the internet is a key to achieving more productivity and equitable distribution of the wealth. Let me explain. […]
Here is the presentation file that I used for my 10 minutes OpenID Foundattion Financial API WG presentation at the Open Data in Finance Conference ( June 15, 2016). To join the Working Group, please sign the IPR Contribution agreement online by clicking here or download the PDF form and fill it, scan it, and send it to […]