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David Buchanan's Blog
da.vidbuchanan.co.uk
CTF writeups, programming, and miscellaneous stuff.
Shell
Permission
Errors for
Busy
Coding Agents
da.vidbuchanan.co.uk
·
13w
Adversarial
ATProto
PDS
Migration
da.vidbuchanan.co.uk
·
28w
·
Discuss:
Hacker News
The UK is
Poised
to Ban
VPNs
da.vidbuchanan.co.uk
·
28w
·
Discuss:
Hacker News
original ↗
da.vidbuchanan.co.uk
·
38w
·
Discuss:
Lobsters
,
Hacker News
UofTCTF
2025: An
AES
Timing Side-Channel
da.vidbuchanan.co.uk
·
56w
·
Discuss:
Hacker News
2024
Retrospective
da.vidbuchanan.co.uk
·
57w
There Is No Universal
De-Select-All
Idiom
da.vidbuchanan.co.uk
·
62w
·
Discuss:
Hacker News
Can you get root with only a
cigarette
lighter
?
da.vidbuchanan.co.uk
·
70w
·
Discuss:
Hacker News
Jailbreaking
RabbitOS
: Uncovering Secret Logs, and
GPL
Violations
da.vidbuchanan.co.uk
·
82w
SIMD
in
Pure
Python
da.vidbuchanan.co.uk
·
110w
Text
Editors
Should Be
Worse
da.vidbuchanan.co.uk
·
110w
2024 Will Be the Year of the Blog
da.vidbuchanan.co.uk
·
110w
Another Way Not to Sign
JSON
da.vidbuchanan.co.uk
·
111w
Blogging
With
Math
da.vidbuchanan.co.uk
·
111w
Colliding
Secure
Hashes
da.vidbuchanan.co.uk
·
112w
Hijacking
Bluesky Identities with a
Malleable
Deputy
da.vidbuchanan.co.uk
·
124w
s32
Unix
Clock
da.vidbuchanan.co.uk
·
126w
Exploiting
aCropalypse
: Recovering Truncated
PNGs
da.vidbuchanan.co.uk
·
152w
The
Quest
for Netflix on
Asahi
Linux (2023)
da.vidbuchanan.co.uk
·
41w
·
Discuss:
Hacker News
Hello
,
PNG
!
da.vidbuchanan.co.uk
·
160w
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