I often see websites that have advanced bot detection/fingerprinting technology that make use of ServiceWorkers and/or ServiceWorkerContainer.prototype.register. I'm not sure what exactly they do w...

I am developing a dashboard, which receives all Alertmanager readings and processes them. I looked for a unique field in the request payload to create a unique external alert id in my database. The...

I need to generate a unique string that will differ from machine to machine -- a "device fingerprint". What are... possible approaches for custom implementations? (I've got a few ideas, but I fi...

By doing tests I am faced with JavaScript fingerprinting such like: audio context fingerprinting opengl fingerprinting canvas fingerprinting installed fonts fingerprinting installed plugins finge...

I have found myself cornered, so here we go. Context I need to produce a fingerprint hash code for object diffing. Comparing the hashes of two sets of objects will need to tell me if there are id...

I'm new to coding with biometric sensors and DLLs in C#. I'm using a DigitalPersona reader UareU 4500. I have read the API documentation and saw the sample program they provided. However, I´m not i...

I have a contactless card and I know it is a MIFARE card. I have no document and no authentication key. After a reset, I received the following ATS: myubuntu@lol-MS-7693:~$ nfc-list nfc-list us...

I am trying to detect the manufacturer name for an NFC tag. I found manufacturer codes here. But I can detect only Mifare Ultralight C tags using these IDs. The first byte of Ultralight C tag ID re...

I'm building an analytic tool and I can currently get the user's IP address, browser and operating system from their user agent. I'm wondering if there is a possibility to detect the same user wit...

Muscibrainz offers acoustID fingerprints, e.g., here However, i do not find a possibility to directly search for them (like it is possible for the PUIDs or echoprints) Am I missing something? ac...

I was wondering how w3techs knows when a given server uses Node.js. http://w3techs.com/technologies/details/ws-nodejs/all/all I'm guessing they look at some specific http headers. For example: X-...

I'm attempting to write an extension which verifies the SHA1 fingerprint of a site's SSL certificate with a third party. However it doesn't seem to be possible to do this either through native Java...

I've been busy with understanding the MusicBrainz database in the past few hours and as I noticed there's no command line application to tag or fingerprint audio files. Are there any CLI implementa...

My large (120gb) music collection contains many duplicate songs, and I've been trying to fingerprint tracks in the hopes of detecting duplicates. And since I'm a CS Major I'm very curious as to wha...