Matthew van Eerde's blog

https://matthewvaneerde.wordpress.com/

Project	Blog posts
acmenum	How to enumerate Audio Compression Manager (ACM) drivers on your system (spot the bug!)
aks	Teaching someone to fish and the AKS primality test
apoenum	How to enumerate WASAPI Audio Processing Objects (APOs) on your system
audioendpoints	How to enumerate audio endpoint (IMMDevice) properties on your system
baby-step-giant-step	Calculating discrete logarithms modulo a prime, using Shanks’ baby-step/giant-step algorithm
beep	Beep sample
chinese-remainder-theorem	Solving x = r₁ mod m₁, x = r₂ mod m₂, … x = rₙ mod mₙ using the Chinese Remainder Theorem
defaultaudiodevice	Troubleshooting default audio device heuristics
desktopwallpaper	Changing the desktop wallpaper using IDesktopWallpaper, Command-line app to set the desktop wallpaper
devenum	How to enumerate DirectShow filters on your system
devicetopology	Walking the IDeviceTopology tree to see audio driver settings
dmoenum	How to enumerate DirectSound DirectX Media Objects (DMOs) on your system
dow-jones-by-president	Some Dow Jones Industrial Average statistics, by United States President
elgamal	Implementing ElGamal encrypt, decrypt, sign, and verify signature, ElGamal encryption and decryption but with bigger numbers, ElGamal signing and signature verification but with bigger numbers
fileversioninfo	Printing various file version properties with PowerShell
gf-256	Efficient multiplication and division in GF(2⁸)
inactive-volume-sessions	Enumerating inactive volume sessions
install	-
inplacehostingmanager	Pulling ClickOnce applications from the client using a script
listen	Using the Speech API to convert speech to text, Implementing a "listen" command using ISpRecoContext from the Microsoft Speech API
loopback-capture	Draining the WASAPI capture buffer fully, Sample - WASAPI loopback capture (record what you hear)
meters	Getting peak meters and volume settings for all apps and audio devices on the system, Getting the package full name of a Windows Store app, given the process ID, More on IAudioSessionControl and IAudioSessionControl2, plus: how to log a GUID, Getting audio peak meter values for all active audio sessions
mftenum	How to enumerate Media Foundation transforms on your system
midienum	Enumerating MIDI devices
miller-rabin	Testing primeness of really big numbers with the Miller-Rabin algorithm
minidumpwritedump	Grabbing a dump file of another process via MiniDumpWriteDump
mixerenum	Enumerating mixer devices, mixer lines, and mixer controls
mute-all-outputs	Muting all audio outputs with IAudioEndpointVolume
permutation	Iterating over permutations, part 1 – Nariyana Pandita method, Iterating over permutations, part 2 – Heap’s algorithm, Iterating over permutations, part 3 – Steinhaus-Johnson-Trotter algorithm
play-exclusive	Sample - WASAPI exclusive-mode event-driven playback app, including the HD Audio alignment dance
pohlig-hellman	Hacking private keys from unsafe primes using the Pohlig-Hellman discrete logarithm
primes	Generating primes using the Sieve of Eratosthenes plus a few optimizations
random-biginteger	Generating random numbers, part 4 – generate a random System.Numerics.BigInteger using System.Random
ReadMe	-
Resume	-
rijndael	Perl scripts to encrypting and decrypt text using Rijndael, Expressing a function f: GF(2⁸) → GF(2⁸) as a polynomial using a Lagrange polynomial, Generating the Rijndael S-box, Sieving irreducible monic polynomials over a finite field
rects	Sample app for RECT functions
say	Grabbing the output of the Microsoft Speech API text-to-speech engine as audio data, Implementing a "say" command using ISpVoice from the Microsoft Speech API
screengrab	Programmatically grabbing a screenshot of the primary display
scripts	Programmatically setting a local user account to never expire its password, Generating sample first names, How to create a shortcut from the command line, Perl script to parse ADTS audio header, Perl script to parse MPEG audio header, xargs start, Extracting GUIDs from a bunch of text
shelllibrary	Programmatically adding a folder to a shell library (e.g., the Music library)
shellproperty	shellproperty.exe v2: read all properties on a file; set properties of certain non-VT_LPWSTR types, shellproperty.exe - set/read string properties on a file from the command line
shellsort	Using StrCmpLogicalW to sort strings the way the shell does
silence	Sample - playing silence via WASAPI event-driven (pull) mode
smart_pointers	Riffing on Raymond - incrementing the reference count on a smart pointer
speech-attributes	How to dump Speech API object properties
swapmonitors	Programmatically rearranging displays
trustedaudiodrivers2	How to turn on HDCP or SCMS in an audio playback app
tonelli-shanks	Calculating square roots modulo a prime, using the Tonelli-Shanks algorithm
twelve-days	Good Perl, Bad Perl
usbaudio-log	How to gather and read logs for Microsoft's USB Audio 2.0 class driver, How to gather (but not read) logs for Microsoft’s USB Audio 1.0 class driver
volume-linearity	Linearity of Windows volume APIs - IAudioMeterInformation and full-scale signals
waveenum	Sample: how to enumerate waveIn and waveOut devices on your system
windows7	Collecting audio logs the REALLY old-fashioned way – on Windows 7
x!+y!+z!=xyz	Solution: x! + y! + z! = x * y * z