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Charles Engelke
Works at Info Tech, Inc.
Attended North Shore High School
Lives in Gainesville, FL
190 followers|421,099 views
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Education
  • North Shore High School
  • Michigan State University
  • SUNY at Stony Brook
  • University of Florida
Basic Information
Gender
Male
Work
Occupation
CTO
Employment
  • Info Tech, Inc.
    CTO, present
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Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Gainesville, FL
Previously
Mostly in Palm Beach County - St. Petersburg, FL - Gainesville, FL - Lake Park, FL - North Palm Beach, FL - Macon, GA - East Lansing, MI - Stony Brook, NY - Savannah, GA - Richmond Hill, GA
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Charles Engelke

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This is one fast train!
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Charles Engelke

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I didn't get very good shots of our time in Japan, but Google made them into a story, anyway, and here they are.

I'm just ticked I could finally connect to Google from the hotel in Shanghai. It was really easy - create an EC2 server, install a proxy server, SSH into it with port forwarding, figure out how to get Chrome to use the proxy server, and voila!

For some reason, it all works fine directly from my phone with T-Mobile free roaming, but it's very slow there.
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Charles Engelke

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I just replied to a comment by middleendian’s blog on a post from last August asking about the AlgorithmIdentifier argument used for the various SubtleCrypto methods. That argument is different for different methods and different algorithms, and it’s not…
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Charles Engelke

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Here's a page of resources, including a link to the slides for my #FluentConf  talk about "Cryptography in the Browser".
Code Examples. There are several sample programs my company has made available on its GitHub page: Symmetric Encryption (source code); Password-based Key Derivation (source code); Public-key Encryption (source code); Digital Signatures (source code); Key Storage (source code); X.509 Certificate ...
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Nice collection! Thanks for sharing. :)
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Charles Engelke

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Creating X.509 Certificates with Web Crypto and PKIjs

I wrote a couple of posts last fall looking into working with X.509 certificates. Doing so requires a lot of very detailed, complicated bit and byte twiddling, and as a result I got so discouraged I went nearly four months without posting again. But I’m…
I wrote a couple of posts last fall looking into working with X.509 certificates. Doing so requires a lot of very detailed, complicated bit and byte twiddling, and as a result I got so discouraged ...
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Charles Engelke

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The browser in my Moto 360 watch supports the Web Crypto API! My example page creating and storing key pairs works fine on it.
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Have him in circles
190 people
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Deezer's profile photo
Mark O'Connor's profile photo
Joel Leitch's profile photo
Usha Suryadevara's profile photo
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Charles Engelke

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The view from our hotel room window. It was a gorgeous day to arrive in #Shanghai.
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Charles Engelke

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A fishing boat returning to Dutch Harbor, both the original photo and a more artistic version created by Google Photos.

On another note, it is now Wednesday the 16th and tomorrow is Friday the 18th, and I want to know who's going to refund the portion of my fare for the missing day!
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Charles Engelke

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#FluentConf talk on Cryptography in the Browser

I just posted the video of my talk at the 2015 O’Reilly Fluent Conference. The slides themselves are available, too. I also have a web page with a lot of resources on the Web Cryptography API.
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Charles Engelke

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I tested out all the examples I’ve blogged about here in pretty much every web browser I could get on Linux, Windows, OS/X and Android. I also ran Daniel Roesler’s webcrypto-examples test page on them all. I put what I found in a spreadsheet you can view.…
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Charles Engelke

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Apple's Safari Browser and Web Cryptography

As of this writing Apple’s Safari browser still provides the Web Cryptography API via a prefixed name. Instead of using window.crypto.subtle you would use window.crypto.webkitSubtle. Even though it’s prefixed, it appears very compatible with the latest…
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Charles Engelke

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Web Crypto on my AndroidWear Watch

I just tried out some of the live web crypto demos that I’ve blogged about on my Moto 360 AndroidWear watch. Most of them read files which doesn’t seem to work on a watch (go figure). But the one that creates and stores key pairs works fine! It’s a pretty…
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Some people really love working out, and going to the gym. I don't. At all. In fact, I literally can't stand going into a crowded gym. But I really needed to improve my fitness and I found Zen Studio. I've been training with Gary McClain three days a week for over half a year so far, and the results have been excellent. I'm getting stronger, have more stamina, and my back aches are gone. What impresses me the most about Gary is how precisely he can adjust exercises for me as I improve. Somehow he can tell when 70 pounds would be just barely doable, but 80 would be impossible. Of course, a week or two later, he moves me up to 80. Zen is never crowded, and usually has only one or two trainers, each with one or two people working out. And all kinds of people can be found there, from amazingly fit and strong folks to old, overweight ones (like me). Everyone is just interested in improving their own fitness.
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