Tags

Posts organized by their tag(s).

For posts categorized by their series, see the series page.

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All tags: art, blonkchain, c, cryptography, crystal, csec, curiosity, cycling, data, devblog, gsoc, howto, irc, kbs2, kbsecret, lifestyle, llvm, meta, metrocard, music, muzak, oss, philosophy, programming, python, rant, reverse-engineering, review, ruby, ruby-macho, rust, security, umd, workflow, x86

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art

Concerning art, artists, and aesthetics.

• Oct 25, 2021 - A small DOCUMERICA Twitter bot
• Mar 5, 2017 - Random Mosaics with ffmpeg and Ruby
• Jun 29, 2015 - Mini-post: Glitch Art with RMagick

blonkchain

Concerning cryptocurrencies, "distributed finance", etc.

• Sep 14, 2022 - Tornado Cash and bullets
• Dec 5, 2021 - Blockchains don't solve problems that are interesting to me

c

Concerning the C programming language.

• Feb 11, 2023 - The unsafe language doom principle
• Jun 1, 2021 - Playing with Apple's weird compression formats
• Dec 16, 2020 - Static calls in Linux 5.10
• May 18, 2019 - Basic disassembly with libopcodes
• Dec 18, 2018 - Kernelspace syscall interception, or: How to write a rootkit without really trying
• May 5, 2017 - Cleaner Function Wrapping in C

cryptography

Concerning cryptography.

• May 21, 2023 - PGP signatures on PyPI: worse than useless
• Apr 14, 2023 - Introducing pgpkeydump
• Jul 25, 2022 - age encryption in Python with pyrage
• Dec 5, 2021 - Blockchains don't solve problems that are interesting to me
• Mar 9, 2020 - Implementing the Clipper chip cipher in Rust

crystal

Concerning the Crystal programming language.

• Oct 10, 2018 - Introducing netstring.cr
• Jun 18, 2018 - Introducing notify.cr
• May 14, 2018 - Introducing abbrev.cr
• Apr 8, 2018 - Introducing qrencode.cr
• Jan 6, 2018 - Introducing i3.cr
• Dec 30, 2017 - Introducing x_do.cr

csec

Concerning the UMD Cybersecurity Club.

• May 8, 2018 - CMSC389R: A Wrapup

curiosity

Miscellaneous things.

• Sep 14, 2022 - Tornado Cash and bullets
• Aug 20, 2022 - Why don't we do email verification in reverse?
• Mar 16, 2021 - totally_safe_transmute, line-by-line
• Dec 16, 2020 - Static calls in Linux 5.10
• Dec 25, 2019 - A (shallow) dive into the American banking system
• Oct 3, 2018 - A Month of Robocalls

cycling

Concerning road cycling and bicycles.

• Apr 27, 2017 - Team Photos are Here
• Apr 5, 2017 - Ballad of a D Racer

data

Concerning data processing and analysis.

• Oct 25, 2021 - A small DOCUMERICA Twitter bot
• Jun 9, 2019 - Pipelines in Ruby with Open3
• Nov 11, 2018 - Scanning the .nyc gTLD
• Oct 3, 2018 - A Month of Robocalls
• Dec 19, 2015 - Analyzing UMD Arrest Data
• Jul 22, 2015 - The Dismal State of HTML
• May 28, 2015 - IRC Phishing with Typosquatting

devblog

Concerning development of my (open-source) projects.

• May 21, 2023 - PGP signatures on PyPI: worse than useless
• Apr 14, 2023 - Introducing pgpkeydump
• Mar 20, 2023 - Introducing awair-local-api.rs
• Jun 29, 2022 - kbs2 0.6.x
• May 9, 2022 - A most vexing parse, but for Python packaging
• Jan 23, 2022 - ff2mpv now supports Chromium-based browsers
• Oct 25, 2021 - A small DOCUMERICA Twitter bot
• Jun 1, 2021 - Playing with Apple's weird compression formats
• May 3, 2021 - kbs2 0.3.x
• Apr 13, 2021 - Tools that I want
• Jan 21, 2021 - Introducing usb-ids.rs
• Dec 6, 2020 - kbs2 0.2.x
• Aug 16, 2020 - Hiding messages in x86 binaries using semantic duals
• Aug 2, 2020 - Writing and publishing a Python module in Rust
• Jul 18, 2020 - kbs2 0.1.x
• Jun 20, 2020 - Goodbye KBSecret, hello kbs2
• Jun 3, 2020 - You may not use my projects in a military or law enforcement context
• May 7, 2020 - Locating a compiler bug with git bisection
• Mar 9, 2020 - Implementing the Clipper chip cipher in Rust
• Mar 2, 2020 - Totally ordered enums in Python with ordered_enum
• Feb 3, 2020 - Finding treacherous encoding permutations with baseperm
• Nov 2, 2019 - Hacktoberfest Wrapup
• Oct 23, 2019 - Flexible Travis CI stages with YAML references
• Sep 26, 2019 - Introducing llvm-passgen
• Aug 18, 2019 - Introducing cazart
• Jun 9, 2019 - Pipelines in Ruby with Open3
• Jan 20, 2019 - General Project Updates and Thanks
• Oct 10, 2018 - Introducing netstring.cr
• Aug 25, 2018 - Introducing bindef, a DSL for defining binary files
• Jul 5, 2018 - ruby-macho 2.0.0
• Jun 18, 2018 - Introducing notify.cr
• May 14, 2018 - Introducing abbrev.cr
• Apr 27, 2018 - KBSecret 1.6.x
• Apr 4, 2018 - KBSecret 1.3.x
• Apr 1, 2018 - Code coverage with SimpleCov across multiple processes
• Feb 10, 2018 - KBSecret has a new website
• Jan 17, 2018 - KBSecret 1.0
• Dec 11, 2017 - KBSecret 0.9.x: Many, Many Things
• Oct 26, 2017 - Keybase on the CI
• Aug 18, 2017 - KBSecret has a website now
• Jul 21, 2017 - Introducing ruby-inih
• Jul 19, 2017 - KBSecret 0.7.x: Secret Generators, Internal Fields, and Session Notifications
• Jul 5, 2017 - KBSecret 0.6.x: Sensitive Fields, Error Handling, and DRYer Sessions
• Jun 23, 2017 - KBSecret 0.5.x: Packages, Typed Arguments, and More
• Jun 7, 2017 - KBSecret is Maturing
• Apr 16, 2017 - Task Management with kbsecret

gsoc

Concerning Google Summer of Code.

• Aug 20, 2016 - State of ruby-macho, GSoC 2016 Wrap-Up Edition
• Aug 13, 2016 - State of ruby-macho, Weeks of 8/1 and 8/8
• Jul 31, 2016 - State of ruby-macho, Weeks of 7/11, 7/18 and 7/25
• Jul 7, 2016 - State of ruby-macho, Weeks of 6/27 and 7/4
• Jun 26, 2016 - State of ruby-macho, Weeks of 6/13 and 6/20
• Jun 12, 2016 - State of ruby-macho, Weeks of 5/30 and 6/6

howto

Tutorials and guides.

• Jan 9, 2023 - A few small PulseAudio configuration tricks
• Nov 7, 2022 - Modernizing my 1980s sound system
• Feb 21, 2022 - Enjoying music curation again
• Feb 2, 2022 - Setting up Navidrome with Nginx as a reverse proxy
• Mar 7, 2019 - Self-encrypted mail in NeoMutt (with GPGme)
• Dec 18, 2017 - Installing Pi-hole on a Pi

irc

Concerning Internet Relay Chat culture and technology.

• Apr 24, 2017 - Proxying ZNC Without a Subdomain
• May 28, 2015 - IRC Phishing with Typosquatting
• May 8, 2015 - The 'Death' of IRC
• Mar 20, 2015 - Identifying and Enumerating IRC bots with IBIP

kbs2

Concerning kbs2 development.

• Jun 29, 2022 - kbs2 0.6.x
• May 3, 2021 - kbs2 0.3.x
• Dec 6, 2020 - kbs2 0.2.x
• Jul 18, 2020 - kbs2 0.1.x
• Jun 20, 2020 - Goodbye KBSecret, hello kbs2

kbsecret

Concerning KBSecret development.

• Jun 20, 2020 - Goodbye KBSecret, hello kbs2
• Apr 27, 2018 - KBSecret 1.6.x
• Apr 4, 2018 - KBSecret 1.3.x
• Apr 1, 2018 - Code coverage with SimpleCov across multiple processes
• Feb 10, 2018 - KBSecret has a new website
• Jan 17, 2018 - KBSecret 1.0
• Dec 11, 2017 - KBSecret 0.9.x: Many, Many Things
• Aug 18, 2017 - KBSecret has a website now
• Jul 19, 2017 - KBSecret 0.7.x: Secret Generators, Internal Fields, and Session Notifications
• Jul 5, 2017 - KBSecret 0.6.x: Sensitive Fields, Error Handling, and DRYer Sessions
• Jun 23, 2017 - KBSecret 0.5.x: Packages, Typed Arguments, and More
• Jun 7, 2017 - KBSecret is Maturing
• Apr 16, 2017 - Task Management with kbsecret
• Apr 8, 2017 - Augmenting my Workflow with kbsecret

lifestyle

Concerning lifestyle and personal events.

• Dec 14, 2022 - Going write-only on Twitter (and introducing autopost)
• Mar 24, 2018 - What does Facebook have on me?
• May 30, 2017 - One Month with the Pebble Time

llvm

Concerning the LLVM compiler toolchain.

• Apr 30, 2022 - LLVM internals, part 5: a very brief update
• Nov 29, 2021 - LLVM internals, part 4: attributes and attribute groups
• Sep 14, 2021 - LLVM internals, part 3: from bitcode to IR
• Aug 10, 2021 - LLVM internals, part 2: parsing the bitstream
• Jul 19, 2021 - LLVM internals, part 1: the bitcode format
• Oct 23, 2020 - Understanding static single assignment forms
• Sep 19, 2020 - LLVM's getelementptr, by example
• May 7, 2020 - Locating a compiler bug with git bisection

meta

Concerning the blog itself.

• Dec 14, 2022 - Going write-only on Twitter (and introducing autopost)
• Oct 4, 2022 - This blog is now automatically deployed
• Sep 1, 2018 - yossarian.net now supports IPv6!
• Mar 15, 2018 - blog.yossarian.net is now self-hosted
• Jan 22, 2017 - Mini-post: New Domain and More
• May 13, 2016 - Moving woodruffw.us to Let's Encrypt
• Apr 26, 2015 - Administrivia: RSS and Google Analytics

metrocard

Concerning MetroCards.

• Oct 7, 2016 - Decoding the MetroCard, Part 2.5: Early Results
• Jul 17, 2016 - Decoding the MetroCard, Part 2: Research and Past Attempts
• Jun 24, 2015 - Decoding the Metrocard, Part 1: Introduction and History

music

Concerning music curation, sound systems, etc.

• Jan 9, 2023 - A few small PulseAudio configuration tricks
• Nov 7, 2022 - Modernizing my 1980s sound system
• Feb 21, 2022 - Enjoying music curation again
• Feb 2, 2022 - Setting up Navidrome with Nginx as a reverse proxy

muzak

Concerning muzak development.

• Jan 2, 2017 - Muzak, Week 5
• Dec 25, 2016 - Muzak, Week 4
• Dec 19, 2016 - Muzak, Week 3
• Dec 12, 2016 - Muzak, Week 2
• Dec 5, 2016 - Muzak, Week 1
• Nov 29, 2016 - Introducing Muzak - A "Metamusic" Player

oss

Concerning the open-source software community and OSS culture.

• Dec 28, 2022 - ReDoS "vulnerabilities" and misaligned incentives
• Dec 12, 2021 - Calculating my open source blast radius
• Feb 28, 2021 - Weird architectures weren't supported to begin with

philosophy

Concerning any field of philosophy, general philosophical thought, or application thereof.

• Sep 14, 2022 - Tornado Cash and bullets
• Apr 12, 2020 - Developing an intuition for soundness and completeness
• Jul 24, 2019 - Reasoning about faithless actors with undercutting semantics
• Feb 23, 2019 - Thoughts on Perpetual Peace
• Sep 20, 2018 - Kant, Happiness, Moral Worthiness
• Aug 20, 2018 - Disagreement: Language and Metalanguage
• Mar 26, 2018 - Thoughts on building better (online) communities
• Mar 3, 2018 - Moral Worth in Arpaly's Philanthropic Cases, from a Kantian Perspective
• Nov 21, 2017 - The Zone of Indifference Should be Pretty Small
• Oct 17, 2017 - Thoughts on Thoughts on Motive
• Sep 5, 2017 - Philosophy Summarized: The Euthyphro Dilemma
• Jun 25, 2017 - Fragments, 1
• May 16, 2017 - Is Stasis Possible?
• Feb 2, 2017 - Thoughts on Aristotelian Determinism and Future Contingents
• Dec 29, 2015 - Thoughts on the "Universality" of Consciousness
• Sep 1, 2015 - Thoughts on Motive

programming

Concerning any sort of programming.

• May 21, 2023 - PGP signatures on PyPI: worse than useless
• Apr 14, 2023 - Introducing pgpkeydump
• Mar 20, 2023 - Introducing awair-local-api.rs
• Feb 11, 2023 - The unsafe language doom principle
• Aug 20, 2022 - Why don't we do email verification in reverse?
• Jun 29, 2022 - kbs2 0.6.x
• May 9, 2022 - A most vexing parse, but for Python packaging
• Mar 10, 2022 - Things I hate about Rust, redux
• Jan 23, 2022 - ff2mpv now supports Chromium-based browsers
• Jun 1, 2021 - Playing with Apple's weird compression formats
• May 3, 2021 - kbs2 0.3.x
• Apr 13, 2021 - Tools that I want
• Mar 16, 2021 - totally_safe_transmute, line-by-line
• Feb 28, 2021 - Weird architectures weren't supported to begin with
• Jan 21, 2021 - Introducing usb-ids.rs
• Dec 16, 2020 - Static calls in Linux 5.10
• Dec 6, 2020 - kbs2 0.2.x
• Nov 30, 2020 - How many registers does an x86-64 CPU have?
• Nov 5, 2020 - Towards an automated changelog workflow
• Oct 23, 2020 - Understanding static single assignment forms
• Sep 19, 2020 - LLVM's getelementptr, by example
• Aug 16, 2020 - Hiding messages in x86 binaries using semantic duals
• Aug 2, 2020 - Writing and publishing a Python module in Rust
• Jul 18, 2020 - kbs2 0.1.x
• Jun 20, 2020 - Goodbye KBSecret, hello kbs2
• Jun 13, 2020 - How x86_64 addresses memory
• Jun 3, 2020 - You may not use my projects in a military or law enforcement context
• May 20, 2020 - Things I hate about Rust
• May 7, 2020 - Locating a compiler bug with git bisection
• Mar 9, 2020 - Implementing the Clipper chip cipher in Rust
• Mar 2, 2020 - Totally ordered enums in Python with ordered_enum
• Feb 3, 2020 - Finding treacherous encoding permutations with baseperm
• Jan 23, 2020 - Anybody can write good bash (with a little effort)
• Nov 2, 2019 - Hacktoberfest Wrapup
• Sep 26, 2019 - Introducing llvm-passgen
• Aug 18, 2019 - Introducing cazart
• May 18, 2019 - Basic disassembly with libopcodes
• Apr 23, 2019 - Make is (probably) fine
• Jan 20, 2019 - General Project Updates and Thanks
• Dec 18, 2018 - Kernelspace syscall interception, or: How to write a rootkit without really trying
• Oct 10, 2018 - Introducing netstring.cr
• Aug 25, 2018 - Introducing bindef, a DSL for defining binary files
• Jul 5, 2018 - ruby-macho 2.0.0
• Jun 18, 2018 - Introducing notify.cr
• May 14, 2018 - Introducing abbrev.cr
• Apr 27, 2018 - KBSecret 1.6.x
• Apr 8, 2018 - Introducing qrencode.cr
• Apr 4, 2018 - KBSecret 1.3.x
• Apr 1, 2018 - Code coverage with SimpleCov across multiple processes
• Feb 10, 2018 - KBSecret has a new website
• Jan 22, 2018 - Reading Manpages Like a Pro
• Jan 17, 2018 - KBSecret 1.0
• Jan 6, 2018 - Introducing i3.cr
• Dec 30, 2017 - Introducing x_do.cr
• Dec 11, 2017 - KBSecret 0.9.x: Many, Many Things
• Nov 1, 2017 - Hacktoberfest Wrapup
• Oct 26, 2017 - Keybase on the CI
• Oct 3, 2017 - A Programmer's Programmer
• Aug 18, 2017 - KBSecret has a website now
• Jul 21, 2017 - Introducing ruby-inih
• Jul 19, 2017 - KBSecret 0.7.x: Secret Generators, Internal Fields, and Session Notifications
• Jul 5, 2017 - KBSecret 0.6.x: Sensitive Fields, Error Handling, and DRYer Sessions
• Jun 23, 2017 - KBSecret 0.5.x: Packages, Typed Arguments, and More
• Jun 7, 2017 - KBSecret is Maturing
• May 5, 2017 - Cleaner Function Wrapping in C
• Apr 16, 2017 - Task Management with kbsecret
• Apr 8, 2017 - Augmenting my Workflow with kbsecret
• Mar 5, 2017 - Random Mosaics with ffmpeg and Ruby
• Jan 16, 2017 - Mini-post: Introducing ruby-mpv
• Jan 2, 2017 - Muzak, Week 5
• Dec 25, 2016 - Muzak, Week 4
• Dec 19, 2016 - Muzak, Week 3
• Dec 12, 2016 - Muzak, Week 2
• Dec 5, 2016 - Muzak, Week 1
• Nov 29, 2016 - Introducing Muzak - A "Metamusic" Player
• Oct 15, 2016 - Mini-post: Switching to i3 on Ubuntu
• Oct 7, 2016 - Decoding the MetroCard, Part 2.5: Early Results
• Aug 20, 2016 - State of ruby-macho, GSoC 2016 Wrap-Up Edition
• Aug 13, 2016 - State of ruby-macho, Weeks of 8/1 and 8/8
• Jul 31, 2016 - State of ruby-macho, Weeks of 7/11, 7/18 and 7/25
• Jul 17, 2016 - Decoding the MetroCard, Part 2: Research and Past Attempts
• Jul 7, 2016 - State of ruby-macho, Weeks of 6/27 and 7/4
• Jun 26, 2016 - State of ruby-macho, Weeks of 6/13 and 6/20
• Jun 12, 2016 - State of ruby-macho, Weeks of 5/30 and 6/6
• May 18, 2016 - Neat Things I've Found This Week
• Feb 13, 2016 - An rwx Theory of Programming Languages
• Dec 19, 2015 - Analyzing UMD Arrest Data
• Dec 7, 2015 - Mini-post: Abusing to_s for Brevity in Ruby
• Nov 1, 2015 - Session Management in Sublime Text
• Oct 5, 2015 - Death To Clickers
• Sep 28, 2015 - Five Things I Hate About Ruby
• Aug 13, 2015 - String Formatting With Ruby Dynamic Hashes
• Jul 22, 2015 - The Dismal State of HTML
• Jul 14, 2015 - Abusing Signals for Shell Synchronization
• Jul 2, 2015 - CAN-SPAM Compliance is Important
• Jun 29, 2015 - Mini-post: Glitch Art with RMagick
• Jun 24, 2015 - Decoding the Metrocard, Part 1: Introduction and History
• Jun 9, 2015 - Mini-post: Dates That Don't Exist
• May 28, 2015 - IRC Phishing with Typosquatting
• May 8, 2015 - The 'Death' of IRC
• Apr 23, 2015 - Mini-post: More Power User Tools
• Apr 2, 2015 - Mini-post: Digraphs and Trigraphs
• Mar 20, 2015 - Identifying and Enumerating IRC bots with IBIP
• Mar 14, 2015 - Who Needs Toolkits When You Have Xlib?
• Mar 9, 2015 - Mini-post: Introduction to Pointers
• Mar 3, 2015 - Paste Scraping: Lessons (Not) Learned
• Feb 27, 2015 - The Problem with $PATH
• Feb 18, 2015 - Mini-post: ++x++
• Feb 10, 2015 - Configuration for Fun and Profit

python

Concerning the Python programming language.

• May 21, 2023 - PGP signatures on PyPI: worse than useless
• Jul 25, 2022 - age encryption in Python with pyrage
• May 9, 2022 - A most vexing parse, but for Python packaging
• Oct 25, 2021 - A small DOCUMERICA Twitter bot
• Aug 2, 2020 - Writing and publishing a Python module in Rust
• Mar 2, 2020 - Totally ordered enums in Python with ordered_enum
• Aug 18, 2019 - Introducing cazart

rant

Concerning opinions of all sorts.

• May 21, 2023 - PGP signatures on PyPI: worse than useless
• Dec 28, 2022 - ReDoS "vulnerabilities" and misaligned incentives
• Mar 10, 2022 - Things I hate about Rust, redux
• Dec 12, 2021 - Calculating my open source blast radius
• Dec 5, 2021 - Blockchains don't solve problems that are interesting to me
• Feb 28, 2021 - Weird architectures weren't supported to begin with
• May 20, 2020 - Things I hate about Rust
• Jan 23, 2020 - Anybody can write good bash (with a little effort)
• Apr 23, 2019 - Make is (probably) fine
• Mar 7, 2019 - Self-encrypted mail in NeoMutt (with GPGme)
• Jun 28, 2017 - Spotify is (Still) Violating CAN-SPAM
• Nov 9, 2015 - Mini rant: Emoji and Git
• Oct 5, 2015 - Death To Clickers
• Sep 28, 2015 - Five Things I Hate About Ruby
• Jul 22, 2015 - The Dismal State of HTML
• Jul 2, 2015 - CAN-SPAM Compliance is Important
• May 8, 2015 - The 'Death' of IRC
• Apr 6, 2015 - Amazon Dash: Those Who Cannot Remember The Past...

reverse-engineering

Concerning analysis and reverse-engineering of existing technologies.

• Aug 10, 2019 - Exploring Square's S6 reader at DEF CON
• May 18, 2019 - Basic disassembly with libopcodes
• Oct 7, 2016 - Decoding the MetroCard, Part 2.5: Early Results
• Jul 17, 2016 - Decoding the MetroCard, Part 2: Research and Past Attempts
• Jun 24, 2015 - Decoding the Metrocard, Part 1: Introduction and History

review

Concerning technology reviews.

• May 30, 2017 - One Month with the Pebble Time

ruby

Concerning the Ruby programming language.

• Jun 1, 2021 - Playing with Apple's weird compression formats
• Jun 20, 2020 - Goodbye KBSecret, hello kbs2
• Jun 9, 2019 - Pipelines in Ruby with Open3
• Aug 25, 2018 - Introducing bindef, a DSL for defining binary files
• Jul 5, 2018 - ruby-macho 2.0.0
• Apr 27, 2018 - KBSecret 1.6.x
• Apr 4, 2018 - KBSecret 1.3.x
• Apr 1, 2018 - Code coverage with SimpleCov across multiple processes
• Feb 10, 2018 - KBSecret has a new website
• Jan 17, 2018 - KBSecret 1.0
• Dec 11, 2017 - KBSecret 0.9.x: Many, Many Things
• Oct 26, 2017 - Keybase on the CI
• Aug 18, 2017 - KBSecret has a website now
• Jul 21, 2017 - Introducing ruby-inih
• Jul 19, 2017 - KBSecret 0.7.x: Secret Generators, Internal Fields, and Session Notifications
• Jul 5, 2017 - KBSecret 0.6.x: Sensitive Fields, Error Handling, and DRYer Sessions
• Jun 23, 2017 - KBSecret 0.5.x: Packages, Typed Arguments, and More
• Jun 7, 2017 - KBSecret is Maturing
• Apr 16, 2017 - Task Management with kbsecret
• Apr 8, 2017 - Augmenting my Workflow with kbsecret
• Jan 16, 2017 - Mini-post: Introducing ruby-mpv
• Jan 2, 2017 - Muzak, Week 5
• Dec 25, 2016 - Muzak, Week 4
• Dec 19, 2016 - Muzak, Week 3
• Dec 12, 2016 - Muzak, Week 2
• Dec 5, 2016 - Muzak, Week 1
• Nov 29, 2016 - Introducing Muzak - A "Metamusic" Player
• Aug 20, 2016 - State of ruby-macho, GSoC 2016 Wrap-Up Edition
• Aug 13, 2016 - State of ruby-macho, Weeks of 8/1 and 8/8
• Jul 31, 2016 - State of ruby-macho, Weeks of 7/11, 7/18 and 7/25
• Jul 7, 2016 - State of ruby-macho, Weeks of 6/27 and 7/4
• Jun 26, 2016 - State of ruby-macho, Weeks of 6/13 and 6/20
• Jun 12, 2016 - State of ruby-macho, Weeks of 5/30 and 6/6
• Dec 7, 2015 - Mini-post: Abusing to_s for Brevity in Ruby
• Sep 28, 2015 - Five Things I Hate About Ruby
• Aug 13, 2015 - String Formatting With Ruby Dynamic Hashes

ruby-macho

Concerning the ruby-macho library.

• Jun 1, 2021 - Playing with Apple's weird compression formats
• Jul 5, 2018 - ruby-macho 2.0.0
• Aug 20, 2016 - State of ruby-macho, GSoC 2016 Wrap-Up Edition
• Aug 13, 2016 - State of ruby-macho, Weeks of 8/1 and 8/8
• Jul 31, 2016 - State of ruby-macho, Weeks of 7/11, 7/18 and 7/25
• Jul 7, 2016 - State of ruby-macho, Weeks of 6/27 and 7/4
• Jun 26, 2016 - State of ruby-macho, Weeks of 6/13 and 6/20
• Jun 12, 2016 - State of ruby-macho, Weeks of 5/30 and 6/6

rust

Concerning the Rust programming language.

• Apr 14, 2023 - Introducing pgpkeydump
• Mar 20, 2023 - Introducing awair-local-api.rs
• Feb 11, 2023 - The unsafe language doom principle
• Jul 25, 2022 - age encryption in Python with pyrage
• Jun 29, 2022 - kbs2 0.6.x
• Apr 30, 2022 - LLVM internals, part 5: a very brief update
• Mar 10, 2022 - Things I hate about Rust, redux
• Nov 29, 2021 - LLVM internals, part 4: attributes and attribute groups
• Sep 14, 2021 - LLVM internals, part 3: from bitcode to IR
• Aug 10, 2021 - LLVM internals, part 2: parsing the bitstream
• Jul 19, 2021 - LLVM internals, part 1: the bitcode format
• May 3, 2021 - kbs2 0.3.x
• Mar 16, 2021 - totally_safe_transmute, line-by-line
• Jan 21, 2021 - Introducing usb-ids.rs
• Dec 6, 2020 - kbs2 0.2.x
• Aug 16, 2020 - Hiding messages in x86 binaries using semantic duals
• Aug 2, 2020 - Writing and publishing a Python module in Rust
• Jul 18, 2020 - kbs2 0.1.x
• Jun 20, 2020 - Goodbye KBSecret, hello kbs2
• May 20, 2020 - Things I hate about Rust
• Mar 9, 2020 - Implementing the Clipper chip cipher in Rust
• Feb 3, 2020 - Finding treacherous encoding permutations with baseperm
• Sep 26, 2019 - Introducing llvm-passgen

security

Concerning security, physical and cyber.

• Feb 11, 2023 - The unsafe language doom principle
• Dec 28, 2022 - ReDoS "vulnerabilities" and misaligned incentives
• Jul 25, 2022 - age encryption in Python with pyrage
• Dec 16, 2020 - Static calls in Linux 5.10
• Mar 9, 2020 - Implementing the Clipper chip cipher in Rust
• Aug 10, 2019 - Exploring Square's S6 reader at DEF CON
• May 18, 2019 - Basic disassembly with libopcodes
• Dec 18, 2018 - Kernelspace syscall interception, or: How to write a rootkit without really trying
• Mar 24, 2018 - What does Facebook have on me?
• Jan 3, 2018 - Megabus: A Study in Guessability
• Oct 7, 2016 - Decoding the MetroCard, Part 2.5: Early Results
• Jul 17, 2016 - Decoding the MetroCard, Part 2: Research and Past Attempts
• Mar 13, 2016 - My School Wants My Palm Print
• Oct 5, 2015 - Death To Clickers
• Jun 24, 2015 - Decoding the Metrocard, Part 1: Introduction and History
• May 28, 2015 - IRC Phishing with Typosquatting
• Mar 20, 2015 - Identifying and Enumerating IRC bots with IBIP
• Mar 3, 2015 - Paste Scraping: Lessons (Not) Learned
• Feb 27, 2015 - The Problem with $PATH

umd

Concerning the University of Maryland.

• May 8, 2018 - CMSC389R: A Wrapup
• Nov 27, 2017 - Announcing CMSC389R — "Introduction to Ethical Hacking"
• Apr 27, 2017 - Team Photos are Here
• Apr 5, 2017 - Ballad of a D Racer
• Mar 13, 2016 - My School Wants My Palm Print
• Dec 19, 2015 - Analyzing UMD Arrest Data

workflow

Concerning productivity and customization.

• Nov 7, 2022 - Modernizing my 1980s sound system
• Feb 21, 2022 - Enjoying music curation again
• Feb 2, 2022 - Setting up Navidrome with Nginx as a reverse proxy
• Dec 24, 2020 - A few HiDPI tricks for Linux
• Nov 5, 2020 - Towards an automated changelog workflow
• May 26, 2018 - How many GDPR notices did I get?
• May 5, 2018 - How I Write
• Jan 22, 2018 - Reading Manpages Like a Pro
• Jan 6, 2018 - Introducing i3.cr
• Dec 30, 2017 - Introducing x_do.cr
• Dec 18, 2017 - Installing Pi-hole on a Pi
• Apr 24, 2017 - Proxying ZNC Without a Subdomain
• Oct 15, 2016 - Mini-post: Switching to i3 on Ubuntu
• Jan 20, 2016 - Mini post: Testing Out Multiprocess Firefox
• Nov 1, 2015 - Session Management in Sublime Text
• Aug 23, 2015 - A Week On Dialup
• Jul 14, 2015 - Abusing Signals for Shell Synchronization
• Apr 23, 2015 - Mini-post: More Power User Tools
• Feb 10, 2015 - Configuration for Fun and Profit

x86

Concerning the x86 ISA family.

• Dec 16, 2020 - Static calls in Linux 5.10
• Nov 30, 2020 - How many registers does an x86-64 CPU have?
• Aug 16, 2020 - Hiding messages in x86 binaries using semantic duals
• Jun 13, 2020 - How x86_64 addresses memory