Security: Hard and Soft

Next Up: A Tortoise That Checks Your Chip for Flaws

by Jim Turley

I hate writing about security. I hate it because I wish it were unnecessary. There was a time when engineering meant making a product that did what you wanted it to do. Now it means spending a bunch of time making it not do what other people want but you don’t want. This sucks.

Most of the problem with implementing security features is guessing where the vulnerabilities are. How do you fix a bug you’ve never even thought of, much less identified? At least “real” hardware bugs are unintentional. Security hacks are both deliberate and malicious. Someone is trying to break your stuff.  Read More


latest news

January 24, 2017

Curtiss-Wright Leads the Embedded Market in Bringing Gen 4 PCIe Capability to Standard VPX

January 23, 2017

New Rugged Small Form Factor Embedded Computer from DFI Tech

January 18, 2017

Innovative Integration Announces the COPious-PXIe Embedded PXIe module with Zynq Z7045 coprocessor & HPC FMC I/O site

January 17, 2017

Mont-Blanc project selects Cavium’s ThunderX2™ processor for its new ARM-based HPC platform

January 13, 2017

Extended System Functionality in Safe, Modular Train Control from MEN Micro

January 05, 2017

Pixus Adds New Versatile Features in 1U MicroTCA Chassis

January 03, 2017

congatec presents new COM Express modules with Gen 7 Intel® Core™ processors (codename Kaby Lake)

December 28, 2016

Pentek Introduces Jade Architecture Module for Extremely Wideband Signal Applications

December 21, 2016

3U VPX Power Card Released for Military and Industrial Embedded Technology Markets

December 20, 2016

ON Semiconductor Demonstrates Complete USB Type-C Solutions for Rapid Charging and High-Speed Data Transfer at CES 2017

December 16, 2016

VadaTech launches new Virtex UltraScaleTM FPGA Carrier

December 13, 2016

DFI Tech Announces New Line of Pico-ITX Boards

December 08, 2016

congatec’s new COM Express Mini module with Intel Apollo Lake processors

December 05, 2016

VadaTech partners with Emcomo Solutions AG to present at the 5th MicroTCA Workshop

November 11, 2016

congatec introduces new Thin Mini-ITX and Pico-ITX boards with Intel’s next generation of low-power processors (codename Apollo Lake)

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Editors' Blog

ARM: We're Turning Japanese

posted by Jim Turley

ARM is getting acquired by Japan's SoftBank for $32 billion in cash. What will happen to the world's most popular CPU architecture -- or the engineers who use it? (18-Jul)

What shape do you want your Pi?

posted by Dick Selwood

You can now customise Raspberry Pi (9-Nov)

Four weeks of argument over a second

posted by Dick Selwood

The ITU is arguing over whether we need a leap second (2-Nov)

Why Nigerian Bank Scams Are So Obvious

posted by Jim Turley

The classic "Nigerian bank scam" is so laughably obvious that it can't fool anyone anymore, right? Wrong, and its goofiness is probably deliberate. (20-Aug)

Apple Hints at CPU Change

posted by Jim Turley

Apple's new "Bitcode" software-distribution mechanism lays the groundwork for a switch in CPU architecture, operating system, or both. (18-Jun)

Computer Editors' Blog Archive

forum

Radio FPGA!

Posted on 02/23/17 at 12:48 AM by TotallyLost

TotallyLost
Thanks Kevin --- way cool parts --- can not wait for their general availability smiling

FPGAs Race for the Bottom

Posted on 02/20/17 at 4:42 PM by logos

CyrilJ,

You're links are broken.

Also, Microsemi's THREE separate software suites are INCONSISTENT with Linux support.
- FlashPro for Libero IDE does not support Linux. Microsemi's site and documentation is all over the place with FlashPro hardware…

How Does Scatter/Gather Work?

Posted on 02/20/17 at 2:13 PM by TotallyLost

TotallyLost
What is FAR worse?

An 8-way time division multiplexor to "fairly share" memory between 6 processors and 2 DMA channels -- no priority accesses to starve another channel, no contention based allocations, just straight channel 1 gets only time slot 1, ch…

How Does Scatter/Gather Work?

Posted on 02/20/17 at 1:16 PM by TotallyLost

TotallyLost
Now you might say that no one would be that stupid as to pack all accessed data into a single subchannel. With the number of sub-channels being 2^n (where n is 1, 2 or 3), it's also pretty likely that the underlying data structure to be processed will hav…

How Does Scatter/Gather Work?

Posted on 02/20/17 at 12:37 PM by TotallyLost

TotallyLost
@Karl -- sure multiple banks/channels can offer concurrent read/write, or even multiply sourced reads/write -- but each channel still has the native single access or burst fill performance timings.

Now look at the last three figures above, where Cadenc…

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