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Cedric

@cedric@fosstodon.org
mastodon 4.7.3
  • Open on fosstodon.org

Computer scientist, intensely interested in computer security.

I take photos: @cedric

@cedric@fosstodon.org:matrix.circl.lu on Matrix

cedric on libera.chat

#piano #security #privacy #python #opensource #photography

581 Followers
427 Following
26 Posts
Joined August 15, 2020
Website:
https://www.cedricbonhomme.org
Pixelfed:
https://pixelfed.social/cedric
GitHub:
https://github.com/cedricbonhomme
CIRCL:
https://social.circl.lu/@cedric
Open post
Cedric @cedric@fosstodon.org
· 2mo ago

My 16-year-old OCaml toy project is now on opam! 🎉

Fractals from iterated function systems: the Barnsley fern, a sunflower built on the golden angle, Queen Anne's lace, an eight-armed rune star.

opam install ifs-fractals

Submitted yesterday evening, merged early this morning, with a kind word from the maintainer. It's really fast. The OCaml community is a lovely place.

Source code: https://github.com/cedricbonhomme/iterated-function-systems

PR: https://github.com/ocaml/opam-repository/pull/30346

#OCaml #fractals #OpenSource #Art

github.com
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Open post
Cedric @cedric@fosstodon.org
· 2mo ago

🐫 Submitting a PR on opam sixteen years after the first commit:

https://github.com/ocaml/opam-repository/pull/30346 🚀

#Ocaml #OpenSource #Software #Functional_programming #Fractal #Art

github.com
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Open post
Cedric @cedric@fosstodon.org
· 2mo ago

When you have Internet in your cache.

#Firefox #Internet

fosstodon.org

Fosstodon

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Open post
Cedric @cedric@fosstodon.org
· 6mo ago

Imagine how it feels to run 10k here with some snow.

#sport #running #snow #nature

fosstodon.org
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Open post
Cedric @cedric@fosstodon.org
· 5mo ago

Our paper "Modeling Sparse and Bursty Vulnerability Sightings: Forecasting Under Data Constraints" is now available on arXiv:

https://arxiv.org/abs/2604.16038

And we will present it in Munich this Thursday during the FISRT CTI 2026 conference.

#FIRSTCTI #Munich #Forecasting #Vulnerability #SARIMAX #Poisson #VLAI

arxiv.org
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Open post
Cedric @cedric@fosstodon.org
· 6mo ago

Try to handle that, Claude!

#orchestration #AI #human_in_the_loop #beer

fosstodon.org
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Open post
Cedric @cedric@fosstodon.org
· 6mo ago

328m of ‘why am I doing this’ 😄

#sport #running

fosstodon.org
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Open post
Cedric @cedric@fosstodon.org
· 2mo ago

Challenging Claude's creativity with IFS fractals and OCaml

https://www.cedricbonhomme.org/2026/07/27/challenging-claude-with-ifs-fractals/

#ifs #fractal #Ocaml #Programming #Art #AI #Claude

cedricbonhomme.org
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Open post
Cedric @cedric@fosstodon.org
· 2mo ago

Fortress by the Loch. 🏴󠁧󠁢󠁳󠁣󠁴󠁿

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Open post
Cedric @cedric@fosstodon.org
· 6mo ago

New release: Newspipe 11.3.0 🚀

https://github.com/cedricbonhomme/newspipe

Security & privacy take the spotlight in this version:

* Fixed multiple XSS and SSRF vulnerabilities (thanks fyrepaw13 🙌)
* Safer API with stricter field validation and sanitization
* State-changing routes now protected with POST + CSRF tokens
* More privacy-friendly bookmarks page

Plus UX improvements across bookmarks, forms, and charts.

#RSS #Atom #selfHosting #News #Python #OpenSource

github.com
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Open post
Cedric @cedric@fosstodon.org
· 33mo ago

I installed latest version of #PostmarketOS (edge) with #KDE plasma. #NeoChat is a nice #Matrix client supporting multiple accounts.

fosstodon.org
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Open post
Cedric @cedric@fosstodon.org
· 2mo ago
📦 gcve 0.12.1 is out — a small maintenance release with updated dependencies. gcve is a Python client and CLI for the Global CVE Allocation System (GCVE), a decentralized approach to vulnerability identification where multiple GCVE Numbering Authorities can allocate IDs independently, with a cryptographically signed registry. 🔗 https://gcve.eu 🐍 pipx install gcve 💻 https://github.com/gcve-eu/gcve #GCVE #CVE #VulnerabilityManagement #CyberSecurity #Python #OpenSource
gcve.eu
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Open post
Cedric @cedric@fosstodon.org
· 2mo ago
🆕 Vulnerability-Lookup now imports Microsoft CSAF VEX documents from MSRC — joining the Red Hat VEX feed as a vendor VEX enrichment source. Per-CVE VEX statements (product status, severity) are attached directly to CVE records, visible on the vulnerability page and via the API with the full CSAF documents. Example with both Red Hat and Microsoft VEX: https://vulnerability.circl.lu/vuln/CVE-2026-53359#vex #VEX #CSAF #VulnerabilityManagement #CVE #OpenSource
vulnerability.circl.lu
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Open post
Cedric @cedric@fosstodon.org
· 2mo ago
Stegano 2.5.0 is out! 🎉 This release adds a reversible data hiding technique based on histogram shifting (Ni et al., IEEE TCSVT 2006): unlike LSB, the original cover image can be recovered pixel-for-pixel after the hidden message is extracted. Includes a new stegano-rdh command line tool. Thanks to Eesh Saxena for the contribution! https://github.com/cedricbonhomme/Stegano/releases/tag/v2.5.0 #steganography #Python #FOSS
GitHub

Release Release 2.5.0 · cedricbonhomme/Stegano

Added a reversible data hiding technique based on histogram shifting (stegano.rdh), with a stegano-rdh command line tool. Unlike LSB, the original cover image can be recovered exactly after the mes...

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Open post
Cedric @cedric@fosstodon.org
· 6mo ago

Very nice little concert from EMAVS (https://www.emavs.fr) in a wonderful setting!

#music #piano #violin

emavs.fr
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Open post
Cedric @cedric@fosstodon.org
· 6mo ago
Replying to
@adulau @jbm new feature from Codex for the CPE guessing. Works like a charm!
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Open post
Cedric @cedric@fosstodon.org
· 5mo ago

Strava AI coach is really positive!

#sport #running

fosstodon.org
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Open post
Cedric @cedric@fosstodon.org
· 8mo ago

New Security Vulnerability Database Launches In The EU

https://www.forbes.com/sites/kateoflahertyuk/2026/01/20/new-security-vulnerability-database-launches-in-the-eu/

#EU #GCVE #Vulnerability #VulnerabilityManagement

forbes.com
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Open post
Cedric @cedric@fosstodon.org
· 6mo ago
Replying to
@adulau Thanks a lot! 😊 Slowly building an orchestra… just hoping it doesn’t turn into free jazz at some point 🎶😄
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Open post
Cedric @cedric@fosstodon.org
· 6mo ago

@cedric@pixelfed.social @evilolive28@mstdn.social I found the best place for it!

pixelfed.social
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Open post
Cedric @cedric@fosstodon.org
· 6mo ago

250k !!! OMG!

De mémoire je dirai 12 ans. Cours en privé à la maison d'abord. Et d'abord que du solfège. haha
J'en ai vraiment des souvenirs très clair. C'est marrant. Comme si c'était hier!

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Open post
Cedric @cedric@fosstodon.org
· 7mo ago

Stegano 2.2.0 is out!

Notable changes:

- Performance improvements — steganography operations are now 50–1000x faster (direct pixel access via load(), fixed O(n²) parsing issue)
- Support for hiding/revealing messages in PCM .wav files
- Added shi_tomashi generator support in stegano-lsb CLI

More details here: https://github.com/cedricbonhomme/Stegano/releases

#Stegano #Python #Steganography #OpenSource #Graphic

github.com
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Open post
Cedric @cedric@fosstodon.org
· 6mo ago

@cedric@pixelfed.social @evilolive28@mstdn.social I found the best place for it!

pixelfed.social
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Open post
Cedric @cedric@fosstodon.org
· 7mo ago
Replying to
@wr tu commences la préparation pour le semi ING ?
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Open post
Cedric @cedric@fosstodon.org
· 7mo ago
Replying to
@wr On m'a dit si tu fais 10 tu peux faire 21. Alors je me suis inscrit 😉
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Open post
Cedric @cedric@fosstodon.org
· 2mo ago

Sure, buy my photo, licensed under CC BY-SA 4.0.

https://500px.com/photo/1124988448/lanterns-at-blue-hour-by-cedric-bonhomme

#photography #licensing #art #CreativeCommons

500px.com
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