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Nathan Olsen
Works at Washington State Department of Revenue
Attended St. Martin's University
Lives in Olympia, WA


Nathan Olsen

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Replaying for the bonus episode. Bought on Amazon and I sometimes forget to reinstall it.
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Cool app.
Ready is the contacts app that wants to change how you use your smartphone. To win one of 100 premium promo codes, just share this post and sign up here!
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Really? You'd like us to open up our firewall for just those 253 IP Address and those particular protocols?


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Yeah, an open telnet port is totes normcore.
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ZOMG! My encrypted partitions are now flashable!!! w00t!
TWRP now supports Qualcomm encryption for the OnePlus One.

Why does this matter? Probably the biggest is that AOSP is making moves towards supporting this type of encryption as seen here:

So eventually we'll probably see Nexus and other OEMs start to use Qualcomm's encryption methods on future devices. Additional devices using Qualcomm encryption plus forced encryption may make TWRP supporting Qualcomm encryption very important, at least for some users.

Qualcomm encryption offers better performance than "stock" Android encryption. I think this better performance is mostly due to using larger block sizes, but you can read more about it at the link below if you are so inclined. At the bottom of the page you'll find some benchmarks comparing performance.

Also, the OnePlus One is one of the most popular TWRP devices based on download counts.

It took quite a while to get TWRP to work properly with Qualcomm encryption. Part of the trouble is that Qualcomm uses some closed source, proprietary binaries and libraries to make it work. Part of the problem is that it seems that some of the QSEE / Trust Zone functions fail to work properly when you fastboot boot an image on the OnePlus One. Whether this failure to work properly is by design or a bug, I have no idea. Even regular Android fails to decrypt properly when you fastboot boot an image, so it doesn't appear to be a TWRP issue. Further, it seems that if you fastboot boot an image and fail to decrypt properly, Android will claim that your data partition is corrupt and insist that you wipe and start all over. Oddly enough, usually TWRP can still decrypt and read the data partition just fine, but even after TWRP succeeds, Android still complains. Go figure.

I lost many hours testing images using fastboot boot and having to wipe and re-encrypt before finding out that I had to flash my images to get decrypt to work. It seems that supporting Qualcomm encryption was also an exercise in testing how resilient the emmc chip is on the OnePlus One. I won't be surprised if my OnePlus One dies of premature emmc failure due to all of the flashing and re-encrypting.

The latest build of TWRP for the OnePlus One should now support decrypting of CM 11, CM 12.0, CM 12.1, and Oxygen OS. Use this table to get an idea of what type of encryption you may be using:
CM 11: regular 4.4 encryption
CM 12.0 or CM 12.1 but you originally encrypted with CM 11: regular AOSP encryption with the hardware backed keymaster
CM 12.0 nightly before the 16th of January, 2015: regular AOSP encryption with the hardware backed keymaster
CM 12.0 on or after the 16th of January 2015 or CM 12.1: Qualcomm hardare encryption with the hardware backed keymaster
Oxygen OS: regular AOSP encryption with the hardware backed keymaster

If you didn't encrypt using CM 12.0 nightly on or after 16th of January 2015, you probably aren't getting the performance benefits of Qualcomm's encryption. It also appears that the Oxygen OS team did not add support for Qualcomm encryption. If performance matters to you but you need to be encrypted, then I'd suggest sticking with CM. If you want to know for sure if you're using Qualcomm encryption, flash TWRP, decrypt the device, then check the recovery log (adb pull /tmp/recovery.log or use the copy log button under advanced) and search for "has_hw_crypto is". If the value is 1, then you're using Qualcomm encryption. A value of 0 means that you are not.

Hope that helps and enjoy!
fall back to dm-crypt if device already encrypted Devices already encrypted with aes-cbc-essiv:sha256 will continue to be decrypted in software, until a factory data reset. New devices that implement CONFIG_HW_DISK_ENCRYPTION will switch to aes-xts. b/17475056 Enable hardware crypto for userdata ...
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I'm coming for you, +Tejas Richard​!
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Just racking up the entries.
The Choose Your Own Phablet Giveaway - Take Your Pick from Among 5 of Today's Hottest Big-Screen Android Phones
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Maybe this is just me...but I cannot get Pandora notifications to work. Seems like they used to, but haven't in quite some time.
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Yes. Cm 12.1.
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Really wish +CyanogenMod​ had an option for official 12S nightlies. The half-assed bullshit I have to go through for a buggy craptastic experience is unreal. If I only give up all the official CM apps, it's flawless. Kinda sucks.

Yes, I've tried the CYNGNMOD apps, but there's still a lot of incompatibility and instability. It's really... Craptastic. #thstisall
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Nathan Olsen

commented on a video on YouTube.
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I absolutely <3 the use of the kids blocks. I think I have the same set at home for my boys.
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Incredible deal on a month's worth of weekly boxes of fresh, local, artisan baked goods!
How does a box of "handcrafted, artisan baked goods made from local, natural, and organic ingredients" sound? Get ready to enjoy some of the best oven-produced treats around with this offer: • $22 ($44 value) for a one-month membership to the 8 Arms bake-share program • Every week for four weeks, you'll pick up a box of handcrafted goodies • Each box includes a half-loaf of slicing bread and of specialty bread, six cookies, and two pieces of dess...
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W00t! Closer than most I've seen! #how-old
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Nathan's Collections
Mostly Harmless; Naturalist Post-Punk Radical Leftist Secular Humanist
“He was a dreamer, a thinker, a speculative philosopher...or, as his wife would have it, an idiot.”

“Man has always assumed that he was more intelligent than dolphins because he had achieved so much...the wheel, New York, wars and so on...while all the dolphins had ever done was muck about in the water having a good time. But conversely, the dolphins had always believed that they were far more intelligent than man...for precisely the same reason.”

"The fact that we live at the bottom of a deep gravity well, on the surface of a gas covered planet going around a nuclear fireball 90 million miles away and think this to be normal is obviously some indication of how skewed our perspective tends to be." 
Bragging rights
passed the Turing Test...but failed Voight-Kampff.
  • St. Martin's University
    Accounting, 2012 - 2013
    Accounting, Business Administration, Statistics
  • Timberline High School, Lacey, WA
    1992 - 1995
  • Dana College, Blair, NE
    Chemistry, 1995 - 1999
    Organic Chemistry, Qualitative Chemistry, Instrumental Analysis, Physical Chemistry, Philosophy, Film, General Fun Times
  • Pacific Lutheran University, Tacoma, WA
    B.S. Chemistry, 1999 - 2001
    Physical Chemistry, Inorganic Chemistry, Philosophy, Biology
  • The Evergreen State College, Olympia, WA
    Computer Science, 2003 - 2003
Basic Information
Other names
Grand Master Useless, nolsen311
Collections Nathan is following
InfoSec Code Monkey
  • Washington State Department of Revenue
    InfoSec Code Monkey, 2014 - present
    Keepin my peeps safe from the interwebs
  • Washington State Department of Revenue
    Information Technology Specialist, 2004 - 2014
    ITS 3-5 Local Tax
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Olympia, WA
Tumwater, WA - Lacey, WA - Aberdeen, WA - Hoquiam, WA - Blair, NE - Orofino, ID - Lacey, WA - Olympia, WA - Google - Caye Caulker, Belize
Nathan Olsen's +1's are the things they like, agree with, or want to recommend.
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Introducing a Toddler Bed

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Great people, wide selection, low prices! I love this store!
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Great sushi; sometimes slow service. This is a great place to eat and socialize, not so great for a quick bite.
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Great food and delivery too
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First retail marijuana in the area! Classy, clean, friendly employees who will help you pick out just the right product for your needs! It's about time!
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