“Finite Field Arithmetic.” Chapter 5: “Egyptological” Multiplication and Division.

This article is part of a series of hands-on tutorials introducing FFA, or the Finite Field Arithmetic library. FFA differs from the typical “Open Sores” abomination, in that — rather than trusting the author blindly with their lives — prospective users are expected to read and fully understand every single line. In exactly the same [...]

“Finite Field Arithmetic.” Chapter 4: Interlude: FFACalc.

This article is part of a series of hands-on tutorials introducing FFA, or the Finite Field Arithmetic library. FFA differs from the typical “Open Sores” abomination, in that — rather than trusting the author blindly with their lives — prospective users are expected to read and fully understand every single line. In exactly the same [...]

“Finite Field Arithmetic.” Chapter 3: Shifts.

This article is part of a series of hands-on tutorials introducing FFA, or the Finite Field Arithmetic library. FFA differs from the typical “Open Sores” abomination, in that — rather than trusting the author blindly with their lives — prospective users are expected to read and fully understand every single line. In exactly the same [...]

“Finite Field Arithmetic.” Chapter 2: Logical and Bitwise Operations.

This article is part of a series of hands-on tutorials introducing FFA, or the Finite Field Arithmetic library. FFA differs from the typical “Open Sores” abomination, in that — rather than trusting the author blindly with their lives — prospective users are expected to read and fully understand every single line. In exactly the same [...]

“Finite Field Arithmetic.” Chapter 1: Genesis.

FFA, or the Finite Field Arithmetic library, differs from the typical Open Sores abomination, in that — rather than trusting the author blindly with their lives — prospective users are expected to read and fully understand every single line. In exactly the same manner that you would understand and pack your own parachute.
This article is [...]

Sage SmartProbe FAQ

What’s a Sage SmartProbe?
See previous articles,
A Complete Pill for the Sage SmartProbe.
The Care and Feeding of the Sage SmartProbe.

Where do I get a Sage SmartProbe?
Possibly here — while supplies last. (Warning: I have no relation with this vendor and have no idea whether they still include the probe with “Gizmo 1″ kit. I [...]

Practical Lead to Gold Conversion; or an Intro to Opteron Resurrection.

It so happens that AMD resisted the informal NSA ban on the manufacture of LinuxBIOS-capable x86 CPUs slightly longer than Intel did. Or perhaps they were simply slower to succumb to Microsoft’s Fritz chip decree. Whichever may be the case, vintage (pre-2011, with some caveats, inquire within) AMD Opteron motherboards are a precious [...]

The Care and Feeding of the Sage SmartProbe.

Note: Please read the FAQ!!!
If you cured your Sage SmartProbe of its congenital disease as per the last article on the subject, you may now be wondering what to do with it.
The vendor supplied a massive Java shitware with the thing, which does not merit any discussion whatsoever. Instead, we will use the probe’s very [...]

How to Make Your Own Lamport Parachute from Common Household Materials.

The thought began, as many good things begin, in #trilema.
Users of the WOT, of V, and other systems where your cryptographic identity is wholly in your own hands1 live with a certain risk of “cryptographic death” – i.e. the compromise of one’s signing key. A conscientious user of public key crypto might keep the thought [...]

Phuctored SSH Public Keys.

Phuctored SSH Public Keys to date.
Keys were obtained from a scan of the complete IPv4 space. We have gone approximately 20% of the way through the data set at the time of this writing.
Click on the IP addresses to view a key in Phuctor, or on the SSH hello string to view pertinent discussions.
A snapshot [...]