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Programming Leftovers

Submitted by Roy Schestowitz on Tuesday 5th of April 2022 12:21:24 PM Filed under
Development

  • New security requirements introduced for medical device manufacturer

    In response, the Linux report showed that many hospitals are adding the SBOM requirements into their procurement contracts. However, many leaders don’t know how to examine an SBOM, the package manager listings, or open source licensing distribution lists to find risky elements.

    As such, even if the PATCH Act passes and the SOMB requirement is added, it’s unclear whether the legislation would also add needed educational elements to make SOMBs more user-friendly. As Abrahamson explained, “Only the manufacturer of the device will have the engineering knowledge of the device required to make this determination.”

    Despite these challenges, the FDA has advocated for continued transparency around device elements and risks through the SBOM. In its latest budget request, the agency asked for a $5 million budget increase to develop “a more comprehensive cybersecurity program for medical devices,” including identifying and remediating device flaws that pose a national security risk.

    The proposed bills come on the heels of separate healthcare legislation introduced on Apr. 25, which would see the Department of Health and Human Services partnering with Cybersecurity Infrastructure Security Agency to improve the sector’s overall infrastructure.

  • Arti 0.2.0 is released: Your somewhat-stable API is here!

    Arti is our ongoing project to create a working embeddable Tor client in Rust. It’s not ready to replace the main Tor implementation in C, but we believe that it’s the future.

    Right now, our focus is on making Arti production-quality, by stress-testing the code, hunting for likely bugs and adding missing features that we know from experience that users will need. We're going to try not to break backward compatibility too much, but we'll do so when we think it's a good idea.

  • Toolchains adventures - Q1 2022

    This is the fourth post in my toolchains adventures series. Please check the previous posts in the toolchains category for more context about this journey.

  • I wrote a simple, explainable, peephole optimizer (for cproc and QBE), part 2

    It's time to finish up our peephole optimizer, O, that we started in the previous post. This peephole optimizer, designed to be plugged into cproc and used to fix up QBE generated amd64 assembly, provides two optimizations that we found reduced binary size by between 2% and 3%: first, a one-line optimization converting mov_ $0, %___ into xor_ %___, %___ and a three-line optimization removing a useless register-to-register self-copy via a temporary register.

  • Design patterns and the software operator — part 1

    As writing software turned into a more and more complex engineering effort, ideas emerged to make writing software easier and more stable: it was the idea of identifying solution patterns when implementing commonly experienced problems. Actually, many problems in programming are raised over and over again. As a consequence, communities emerged to discuss such patterns in their meetings, workshops and conferences. Descriptions about design patterns were published as conference proceedings.

  • The software operator design pattern — part 2

    Over the years, the software development and programming community developed a common understanding of design patterns. A design pattern is a general solution designed to solve a repeatedly occurring problem when writing — or better, designing — software. This implies that if a design is new and has not been proven to work in production software, it cannot be a pattern. A pattern is an abstract concept covering multiple implemented solutions following that abstract concept. If there are no solutions already in place, such a pattern does not exist.

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today's howtos

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    In this tutorial, we are going to explore how to install go on Ubuntu 22.04 Golang is an open-source programming language that is easy to learn and use. It is built-in concurrency and has a robust standard library. It is reliable, builds fast, and efficient software that scales fast. Its concurrency mechanisms make it easy to write programs that get the most out of multicore and networked machines, while its novel-type systems enable flexible and modular program constructions. Go compiles quickly to machine code and has the convenience of garbage collection and the power of run-time reflection. In this guide, we are going to learn how to install golang 1.19beta on Ubuntu 22.04. Go 1.19beta1 is not yet released. There is so much work in progress with all the documentation.

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  • How To Install MongoDB on AlmaLinux 9 - idroot

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