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Secure Boot and the 2018 MacBook Pro
the vent for my mind
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Vulnerability of Speculative Processors to Cache Timing Side-Channel Mechanism
Arm is committed to upholding the highest standards of security across its products and the wider Arm ecosystem. To support its partners and the broader community, Arm publishes three types of security-related documentation, Security Bulletins, Security Updates, and Security Articles.
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An Update on AMD Processor Security
The AMD Product Security Incident Response Team (PSIRT) is the focal point for reporting potential product security issues to AMD. AMD PSIRT works with both the AMD internal product security team and the external product security ecosystem, including security researchers, industry peers, government organizations…
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What cracking open a Sonos One tells us about the Sonos IPO
I always find more truth about a company’s future buried in a company’s products. Long story short: I don’t have high hopes for Sonos’ trajectory. Here is why… For eight years, a war has been raging among a number of unlikely players. This bloodless technology battle is turning out to be one of the
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Shedding Too Much Light on a Microcontroller's Firmware Protection (2017)
Proceedings of the 11th USENIX Workshop on Offensive Technologies (WOOT '17) - Vancouver, BC, Canada CVE number 2017-18347
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A Small Look into the GameCube’s Copy Filter
A while back I was going through Dolphin’s issues page out of sheer boredom. I eventually came across issue 726 – Gamma setting has no effect. Out of curiosity, I clicked.
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AVX-512: when and how to use these new instructions
Note: This blog post from 2018 predates the Intel Ice Lake (Sunny Core) and AMD Zen 4 processors. These newer processors are not affected by the issues described in this blog post. Our processors typically do computations using small data stores called registers. On 64-bit processors, 64-bit registers are frequently…
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Librem 5 Phone Progress Report
Purism makes premium phones, laptops, mini PCs and servers running free software on PureOS. Purism products respect people's privacy and freedom while protecting their security.
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How Multi-Beam Flash Lidar Works
An inside look at how Ouster's multi-beam flash lidar architecture works, and why silicon-based design is transforming the lidar industry.
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Programming ARM μC in Rust at four different levels of abstraction
This content was originally meant to be presented as part of my workshop on Rust and microcontrollers at the NITC FOSSMeet 2018 . As I was not able to cover it satisfactorily during the workshop, I thought of writing it down!
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A satellite engineer explains the basics of space electronics
Whether it’s surviving a turbulent rocket launch, or warding off radiation from the galaxy, Brady Salz of Astranis explains some of the unique challenges of designing printed circuit boards (PCBs) for space.
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Apple iMac Pro and Secure Storage
Explore the Duo Blog for expert tips, security insights, and resources to stay updated on the latest in security and access management trends.
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Qualcomm’s Chain of Trust
Covering Qualcomm bootloader’s up to the point of Android being loaded
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How early 8-bit arcade machines differed in design from 8-bit home computers
TL;DR: what I learned about the Bomb Jack arcade machine while writingan emulator for it.
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How Does an Intel Processor Boot?
When we switch on a computer, it goes through a series of steps before it is able to load the operating system. In this post we will see how a typical x86 processor boots. This is a very complex an…
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ARM releases free Cortex-M processor cores for FPGAs
Cambridge-based processor giant Arm has telegraphed increasing concern regarding the threat from free and open source silicon (FOSSi) cores, offering
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Counting Bees on a Raspberry Pi with a ConvNet
the first thing i thought when we setup our bee hive was "i wonder how you could count the number of bees coming and going?"
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Prototype to production: How to build and design a PCB prototype
Learn how to build a PCB prototype, define fabrication specifications, and create gerber files in our new comprehensive guide
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The Transistor, Part 1: Groping in the Dark
The road to a solid-state switch was a long and complex one. It began with the discovery that certain materials behaved oddly with respect to electricity – differently than any existing theor…
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Magic Leap One Video – Diffractive Waveguides Confirmed
At Recode’s Code Media conference on Feb. 13, 2018 (a few hours ago as I write this), they live streamed an interview with Ronny Abovitz, CEO of Magic Leap and NBA commissioner Adam Silver. The int…
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How do plutonium-powered pacemakers work?
From the highly eclectic blog of Mark Dominus
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Intel Xeon processor with FPGA now shipping
There have been many announcements about what would be the next generation Intel Xeon platform with integrated FPGA, also on this blog. Now Intel has finally announced that they are shipping their …
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Building my own 64GB memory card with a $6 eMMC chip (2016)
As seen on Hackaday! There’s always some electronics topic that I end up focusing all my efforts on (at least for a certain time), and that topic is now eMMC NAND Flash memory. Overview eMMC …