DarthNull.org • About Ⓘ

Hello! I'm David Schuetz.
This is where I ramble about...stuff.

ShmooCon 2017 Badge (and more) Contest - Solutions

cryptographypuzzles

Poem Codes - WWII Crypto Techniques

cryptography

Put away the tin-foil: The Apple unlock case is complicated enough

cryptographyiossecurity

Mobile App Authentication using TouchID and Tidas

cryptographyiosmobilesecurity

Blizzard of 2016 Time-lapse

hardwareweather

DLP Considered Harmful - A Rant about Reliable Certificate Pinning

pkirantsecurity

Thoughts on CyberUL and Infosec Research

security

Salt as a Service: Interesting approach to hashing passwords

cryptographypasswordssecurity

Lenovo, CA Certs, and Trust

pkisecurity

Bypassing the lockout delay on iOS devices

iossecurity

Why I hate voting.

rant

What’s the deal with keyless entry car thefts?

securityspeculation

iPhone SMS forwarding — cool, but may be risky

iossecurity

Rebutting FUD and privacy issues surrounding Yosemite Spotlight

iosprivacysecurity

Even more posts about iOS encryption

iossecurity

A (not so) quick primer on iOS encryption

cryptographyiossecurity

Internet of SCADA, or, why does my HVAC blow?

datahardware

BSidesLV 2014 Badge Contest

puzzles

BSLV 2014 - Breaking PRNGs

security

More Mobile Malware Melodrama

androidsecurity

Memory Pressure, Capacity Limits, and Ubiquitous Computing

crazy-ideasios

Making Tunnelblick + Google Authenticator Easier to Use

codecryptography

Inadvertent OS X Mail Loading of Images in SPAM

bugosxsecurity

Apple ID Madness

howtoios

It’s time to (re)start.

blabbering

Apple, Forensics, Law Enforcement, and FUD

blabberingcryptographyiossecurity

DBIR Cover Challenge 2013

cryptographypuzzles

Fidelis Security Systems’ Decode This 2012

cryptographypuzzles

2012 Verizon DBIR Cover Challenge

cryptographypuzzles

Verifying a Detached S/MIME Signature in Python

cryptographypki

BSides Phoenix 2012 Badge Puzzle

cryptographypuzzles

ShmooCon 2008 Badge Puzzle

cryptographypuzzles

ShmooCon 2012 Badge Puzzle

cryptographypuzzles

How to Lose $1000 in Vegas Without Even Gambling

cryptographypuzzles

First Anniversary

blabbering

Great Googly Moogly! I’m speaking at Black Hat!

conferencesiossecurity

DEF CON 16 Punch Card Puzzle

cryptographypuzzles

CarolinaCon Flag Puzzle

cryptographypuzzles

Analysis of iOS Location Data from Multiple Devices

iossecurity

The 2009 Verizon Data Breach Investigation Report

cryptographypuzzles

Crazy idea for multi-user iPads

crazy-ideasios

Simple Bypass of Safari Restrictions on iOS

bugsiossecurity

ShmooCon 2011 Badge Contest

cryptographypuzzles

Breaking a 147-Year-Old Message

cryptography

Nails in the Crypt

crazy-ideascryptography

ToorCon 12 Badge Puzzle

cryptographypuzzles

THOTCON Pre-Sale Code Puzzle

cryptographypuzzles

DEF CON 18 Crypto Challenge

cryptographypuzzles

ShmooCon 2010 Badge Contest

cryptographypuzzles

QuahogCon Flag Puzzle

cryptographypuzzles

THOTCON 0x1 Puzzle

cryptographypuzzles

ShmooCon 2009 Badge Contest

cryptographypuzzles

Crazy Security Con Weekend!

conferenceskhanfu

Blind Belief vs Excessive Skepticism

blabbering

Half-Baked Idea: Isolate Browser Security Contexts to Limit XSS Attacks

crazy-ideassecurity

It’s Time To Start

blabbering