Events for tag "Hacking"
45 min
Introduction to matrix programming: trance codes
How to recognize trance coded communication patterns
47 min
String Oriented Programming
Circumventing ASLR, DEP, and Other Guards
53 min
Automated Botnet Detection and Mitigation
How to find, invade and kill botnets automated and…
51 min
Intrusion Detection Systems
Elevated to the Next Level
44 min
Men who stare at bits
Die abenteuerliche Analyse des Datenformats eines real…
60 min
Benutze Krake mit Gerät
Programmierbare Logik für Deinen Hardware…
54 min
Vier Fäuste für ein Halleluja
Geschichten aus dem API-und Protokollkrieg von zwei…
47 min
Fun with NFC Mobile Phones
Near Field Communication
62 min
Relay attacks on card payment: vulnerabilities and defences
Keeping your enemies close
72 min
Security Nightmares 2007
Oder: worüber wir nächstes Jahr lachen werden
48 min
GPS-Trackers
How they track you when your mobile is switched off
54 min
Community mesh networking
Ubiquitous wireless mesh clouds with olsrd from olsr.org
70 min
coreboot: Adding support for a system near you
Working with the open source BIOS replacement and getting a…
49 min
Hacking Data Retention
How bureaucrats fail to fight terror
43 min
Fudging with Firmware
Firmware reverse-engineering tactics
47 min
The Hidden Nemesis
Backdooring Embedded Controllers
61 min
SMS-o-Death
From analyzing to attacking mobile phones on a large scale.
78 min
Stealth malware - can good guys win?
Challenges in detecting system compromises and why we’re so…
62 min
Automatic Algorithm Invention with a GPU
Hell Yeah, it's rocket science
58 min
Reverse Engineering a real-world RFID payment system
Corporations enabling citizens to print digital money
49 min
Lawful Interception in VoIP networks
Old Laws and New Technology the German Way
29 min
Mehr Sicherheit für HostAP-WLANs
WLANs mit Wi-Fi Protected Access (WPA) betreiben
42 min
Covert channels in TCP/IP: attack and defence
Creation and detection of IP steganography for covert…
38 min
Autodafé: An Act of Software Torture
Presentation of an innovative buffer overflow uncovering…
49 min
VoIPhreaking
Introduction to SIP Hacking
38 min
Squeezing Attack Traces
How to get useable information out of your honeypot
43 min
Twisting timing in your favour
Finding and exploiting concurrency issues in software
45 min
Hopalong Casualty
On automated video analysis of human behaviour
60 min
Faster PwninG Assured
Hardware Hacks and Cracks with FPGAs
60 min
Hacking fingerprint recognition systems
Kann ich dir ein Bier ausgeben?
61 min
Running your own GSM stack on a phone
Introducing Project OsmocomBB
57 min
Secure Code
Why developing Secure Software is like playing Marble…
61 min
The Realtime Podcast
Everything you need to know about Podcasting
65 min
Blinkenlights Stereoscope
Behind the scenes of the new light installation
60 min
Macro dragnets: Why trawl the river when you can do the whole ocean
What happens when data collection goes awry in the 21st…
34 min
XMPP/Jabber
Introducing the 'lingua franca' of Instant Messaging
32 min
Freedom from the web's monopolies
A better architecture for the web, beneficial to both…
57 min
Hacking MFPs
Part2 - PostScript: Um, you've been hacked
42 min
Inside the Mac OS X Kernel
Debunking Mac OS Myths
83 min
I/O Capture Treiber Framework
Maßgeschneiderte Geräte-Filtertreiber auf Knopfdruck
64 min
Covert Communication in a Dark Network
A major new version of freenet
119 min
CR217 - Professional Hackers
Ein Einblick in die Security-Industrie
46 min
Tits & Bits
pr0n 2.0
30 min
TCP Denial of Service Vulnerabilities
Accepting the Partial Disclosure Challenge
55 min
Cuckoo Sandbox - malware beware
Open Source Dynamic Malware Analysis
52 min
Hacking into TomTom Go
Reverse-Engineering des Embedded-Linux-Navigationssystems
60 min
Black Ops Of TCP/IP 2005.5
New Explorations: Large Graphs, Larger Threats
55 min
Black Ops 2006 Viz Edition
Pixel Fuzzing and the Bioinformatic Bindiff
64 min
Can trains be hacked?
Die Technik der Eisenbahnsicherungsanlagen
52 min
WiFi Long Shots
Wireless connections of 20km and more
55 min
Steal Everything, Kill Everyone, Cause Total Financial Ruin!
Or: How I walked in and misbehaved
34 min
Lying To The Neighbours
Nasty effects with tracker-less BitTorrent
36 min
Drohnen züchten
UAVs und andere spannende Dinge
57 min
Android Security
bringing x86 fuckups to dalvik
56 min
Applied Research on security of TETRA radio
digital radio technology beyond GSM
61 min
Time is on my Side
Exploiting Timing Side Channel Vulnerabilities on the Web
65 min
Zero-sized heap allocations vulnerability analysis
Applications of theorem proving for securing the windows…
113 min
"Xbox" and "Xbox 360" Hacking
17 Mistakes Microsoft Made in the Xbox Security System &…
51 min
Advanced microcontroller programming
Getting deeper into AVR programming
61 min
The Ultimate Commodore 64 Talk
Everything about the C64 in 64 Minutes
56 min
The future of cryptology: which 3 letters algorithm(s) could be our Titanic?
RMS Olympic, RMS Titanic, HMHS Britannic vs Discrete…
60 min
An Introduction to Traffic Analysis
Attacks, Defences and Public Policy Issues...
57 min
How To Design A Decent User Interface
Take a look at software from a user's point of view and…
55 min
Android Analysis Framework
dex reversing in deep
63 min
Exploiting Symbian
Symbian Exploit and Shellcode Development
52 min
SDR, GSM/OpenBTS
New RF technology - exciting for good guys, bad guys,…
41 min
DC+, The Protocol
Technical defense against data retention law
51 min
GPRS Intercept
Wardriving phone networks
44 min
GNU Radio & the Universal Software Radio Peripheral
Current Capabilities and Future Directions
58 min
Security Failures in Smart Card Payment Systems
Tampering the Tamper-Proof
56 min
JTAG/Serial/FLASH/PCB Embedded Reverse Engineering Tools and Techniques
a dump of simple tools for embedded analysis at many layers
128 min
A part time scientists' perspective of getting to the moon
presenting the first German Team participating in the…
65 min
Cryptographic key recovery from Linux memory dumps
Does dm-crypt and cryptoloop provide expected security when…
65 min
ZERT: VML, ANI and Third-party Patches
Assembly - lots of it.
92 min
Security Nightmares 2009 (English interpretation)
Or: about what we will laugh next year
59 min
10GE monitoring live!
How to find that special one out of millions
56 min
Console Hacking 2008: Wii Fail
Is implementation the enemy of design?
47 min
Peer-to-peer under the hood
An in-depth look at p2p algorithmics
135 min
Project Sputnik
Realtime in-building location tracking at the 23C3
53 min
Clickjacking und UI-Redressing
Wie Hacker vorgehen und wie man sich schützen kann
68 min
Software Protection and the TPM
The Mac OS X Story
55 min
Introducing Osmo-GMR
Building a sniffer for the GMR satphones
115 min
Passive covert channels in the Linux kernel
Implementation and detection of kernel based backdoors and…
53 min
WarTracking
Satellite Tracking, harvesting and security
48 min
One Token to Rule Them All
Post-Exploitation Fun in Windows Environments
35 min
Tricks: makes you smile
A clever or ingenious device or expedient; adroit…
48 min
hpfriends: real-time social data-sharing
publish-subscribe feeds + trust relationship network
58 min
Physical Security
The Good, the Bad and the Ugly
76 min
Messing Around with Garage Doors
Breaking Remote Keyless Entry Systems with Power Analysis
58 min
Hacking the iPhone
Pwning Apple's Mobile Internet Device
50 min
Data Analysis in Terabit Ethernet Traffic
Solutions for monitoring and lawful interception within a…
45 min
Machine-to-machine (M2M) security
When physical security depends on IT security
56 min
Effective Denial of Service attacks against web application platforms
We are the 99% (CPU usage)
52 min
Practical Mac OS X Insecurity
Security Concepts, Problems, and Exploits on Your Mac
53 min
Making music with a C compiler
(also introducing libglitch)
34 min
NOC Review
NOC Review about the Camp 2011 and the 28C3
32 min
Antiforensik
Einführung in das Thema Antiforensik am Beispiel eines…
50 min
Predictable RNG in the vulnerable Debian OpenSSL package
the What and the How
50 min
To be or I2P
An introduction into anonymous communication with I2P
43 min
Nintendo DS
Introduction and hacking
48 min
Full-Disk-Encryption Crash-Course
Everything to hide
41 min
Einführung in Django
"The Web Framework for perfectionists with deadlines."
53 min
GNU/Linux für Blinde und Sehbehinderte
Erfahrungen aus der Praxis
45 min
The Convergence of Anti-Counterfeiting and Computer Security
Reverse-engineering currency detection systems
51 min
iOS application security
A look at the security of 3rd party iOS applications
47 min
What you thought you knew about C
Impacts of undefined behaviour and other C oddities
94 min
Security Nightmares 2009
Oder: worüber wir nächstes Jahr lachen werden
53 min
Know your compiler
...and what the optimizer does so you don't have to
48 min
Transcending Places
Programming With Values
61 min
Handschellen hacken
Essentielles Grundwissen für alle, die nichts zu verbergen…
76 min
Rootkits and Trojans on Your SAP Landscape
SAP Security and the Enterprise
90 min
Security Nightmares 2008
Oder: worüber wir nächstes Jahr lachen werden
25 min
SIP home gateways under fire
Source routing attacks applied to SIP
85 min
How to find *anything* on the Web
Advanced internet searching strategies & "wizard seeking"…
61 min
DECT (part II)
What has changed in DECT security after one year
52 min
Void the warranty!
How to start analyzing blackboxes
_forget_your_secret_crypto_key.jpg)
34 min
How to (really) forget your secret crypto key
What you always wanted to know about Flash memory - but…
42 min
From Ring Zero to UID Zero
A couple of stories about kernel exploiting
34 min
Playstation Portable Cracking
How In The End We Got It All!
117 min
Honeypot Forensics
No stone unturned or: logs, what logs?
53 min
A Case Against C++
Why C++ is bad for the environment, causes global warming…
45 min
Finding and Preventing Buffer Overflows
An overview of static and dynamic approaches
63 min
Print Me If You Dare
Firmware Modification Attacks and the Rise of Printer…
39 min
Analog Computing
High performance/low power computing based on the analog…
53 min
Short Attention Span Security
A little of everything
61 min
PyPy - the new Python implementation on the block
Language/VM R&D, whole program type inference, translation…
56 min
Hacking CCTV
Watching the watchers, having fun with cctv cameras, making…
62 min
Post Memory Corruption Memory Analysis
Automating exploitation of invalid memory writes
64 min
Security Nightmares 2006
Oder: worüber wir nächstes Jahr lachen werden
Security.jpg)
62 min
Antivirus (In)Security
Bugs in Antivirus Software
![Advanced Buffer Overflow Methods [or] Smack the Stack](https://static.media.ccc.de/media/congress/2005/22C3-491-en-advanced_buffer_overflow_methods.jpg)
11 min
Advanced Buffer Overflow Methods [or] Smack the Stack
Cracking the VA-Patch
63 min
Banking Malware 101
Overview of Current Keylogger Threats
79 min
OpenPCD / OpenPICC
Free RFID reader and emulator
36 min
Having fun with RTP
„Who is speaking???“
51 min
I See Airplanes!
How to build your own radar system
61 min
CSRF, the Intranet and You
Causes, Attacks and Countermeasures
46 min
An introduction to new stream cipher designs
Turning data into line noise and back
59 min
Understanding buffer overflow exploitation
The fascinating interplay of CPU, stack, C-compiler and…
71 min
Defending the Poor
Preventing Flash Exploits
49 min
Syscall proxying fun and applications
Introduction to syscall proxying and applications for in…
57 min
Hacking SCADA
how to own critical infrastructures
37 min
Reverse-Engineering DisplayLink devices
USB to DVI for Hackers
46 min
Atmel AVR für Dummies
Was ist denn nun eigentlich so ein 'Interrupt'?
44 min
The Realtime thing
What the heck is realtime - and what to do with it
45 min
OpenSER SIP Server
VoIP-Systeme mit OpenSER
51 min
Apple vs. Google Client Platforms
How you end up being the Victim.
34 min
Jabber-Showcase
XMPP ist viel mehr als nur Instant Messaging
60 min
Data Recovery Techniques
Fun with Hard Drives
52 min
A 10GE monitoring system
Hacking a 10 Gigabit Intrusion detection and prevention…
60 min
Exploring Protocols and Services on Internet Connected Embedded Devices
Looking for Insecurities
44 min
Console Hacking 2010
PS3 Epic Fail
57 min
Secure communications below the hearing threshold
Improved approaches for auditive steganography
128 min
Der Staatstrojaner
Vom braunen Briefumschlag bis zur Publikation
59 min
Why Silicon-Based Security is still that hard: Deconstructing Xbox 360 Security
Console Hacking 2007
62 min
Detecting temperature through clock skew
Hot or Not: Defeating anonymity by monitoring clock skew to…
110 min
SPAM Workshop
SPAM- und Zombie-Abwehr bei hohem Mail-Volumen am Beispiel…
50 min
Java wird Groovy
Eine Einführung in die neue, dynamische Sprache für das…
52 min
The engineering part of social engineering
Why just lying your way in won't get you anywhere
40 min
Wolpertinger. Ein verteilter Portscanner.
Schneller scannen!
46 min
Secure Instant Messaging
Suppression of secure communications by governments
51 min
Strong encryption of credit card information
Attacks on common failures when encrypting credit card…
57 min
Evolving custom communication protocols
Hell Yeah, it's rocket science
58 min
Cybercrime 2.0
Storm Worm
66 min
Cisco IOS attack and defense
The State of the Art
48 min
SWF and the Malware Tragedy
Hide and Seek in A. Flash
50 min
Finding the key in the haystack
A practical guide to Differential Power Analysis
64 min
Defense is not dead
Why we will have more secure computers - tomorrow
61 min
The A5 Cracking Project
Practical attacks on GSM using GNU Radio and FPGAs
62 min
I Control Your Code
Attack Vectors Through the Eyes of Software-based Fault…
56 min
Towards the first Free Software GSM Phone
Reverse Engineering the Motorola EZX (A768,A780,E680)…
37 min
Cracking the MSP430 BSL
Part Two
51 min
Reverse Engineering the MOS 6502 CPU
3510 transistors in 60 minutes
59 min
Deceiving Authorship Detection
Tools to Maintain Anonymity Through Writing Style & Current…
63 min
Virtuelle Sicherheit
Mandatory Access Control und TPM in Xen
61 min
MD5 considered harmful today
Creating a rogue CA Certificate
25 min
Security Log Visualization with a Correlation Engine
What's inside your network?
53 min
Subverting AJAX
Next generation vulnerabilities in 2.0 Web Applications
59 min
Part-Time Scientists
One year of Rocket Science!
49 min
Old Skewl Hacking - InfraRed updated
MMIrDA - Major Malfunction's InfraRed Discovery Application
28 min
Ooops I hacked my PBX
Why auditing proprietary protocols matters
39 min
Cybernetics for the Masses
implants, sensory extension and silicon - all for you!
56 min
Desperate House-Hackers
How to Hack the Pfandsystem
82 min
Attacking NFC mobile phones
First look at the security of NFC mobile phones
55 min
Ein Mittelsmannangriff auf ein digitales Signiergerät
Bachelorarbeit Informatik Uni Kiel SS 2011
63 min
Wireless Kernel Tweaking
or how B.A.T.M.A.N. learned to fly
46 min
Paper-Prototyping Workshop
Eine Usability-Methode
46 min
Let's tear down these walls
"Mit Links" die Mauern Sozialer Netzwerke überwinden.
44 min
Port Scanning improved
New ideas for old practices
68 min
Inside VMware
How VMware, VirtualPC and Parallels actually work
57 min
OMG WTF PDF
What you didn't know about Acrobat
42 min
Just in Time compilers - breaking a VM
Practical VM exploiting based on CACAO
48 min
Programming FPGAs with PSHDL
Lets create the Arduino for FPGAs
43 min
Anonymous Data Broadcasting by Misuse of Satellite ISPs
An open-source project to develop a tool for broadband…
55 min
The Future of Virtualization
The "anyOS" paradigm and its implications through…
56 min
Distributed FPGA Number Crunching For The Masses
How we obtained the equivalent power of a Deep Crack for a…
26 min
Don't scan, just ask
A new approach of identifying vulnerable web applications
75 min
Tracker fahrn
We Track Harder - We Track More! Take the pain out of…
58 min
The blackbox in your phone
Some details about SIM cards
64 min
Sovereign Keys
A proposal for fixing attacks on CAs and DNSSEC
61 min
Der Hackerparagraph 202c StGB
Bestandsaufnahme und Auswirkungen
52 min
Military intelligence for terrorists(tm)
A lamer's introduction to retrieving "sensitive"…
73 min
hacking smart phones
expanding the attack surface and then some
63 min
Rootkits as Reversing Tools
An Anonymous Talk
93 min
Bluetooth Hacking - The State of The Art
A roundup and live demonstrations of all currently known…
46 min
A collection of random things
Look what I found under the carpet
54 min
Datamining for Hackers
Encrypted Traffic Mining
65 min
Practical RFID Attacks
writing, sniffing & emulating 13.56MHz RFID tags with…
57 min
SCCP hacking, attacking the SS7 & SIGTRAN applications one step further and mapping the…
Back to the good old Blue Box?
55 min
FrozenCache
Mitigating cold-boot attacks for Full-Disk-Encryption…
66 min
COMPLETE Hard Disk Encryption with FreeBSD
Learn how to effectively protect not only your data but…
62 min
Bionic Ears
Introduction into State-of-the-Art Hearing Aid Technology
59 min
Writing better code (in Dylan)
Fast development of object-oriented functional programs
64 min
The Cell Processor
Computing of Tomorrow or Yesterday
63 min
Android geolocation using GSM network
"Where was Waldroid?"
69 min
Mobile phone call encryption
Encrypting (GSM) mobile phone calls over VPN with an…
57 min
802.11 Packets in Packets
A Standard-Compliant Exploit of Layer 1
48 min
Breaking WEP in less than 60 Seconds
the next level
60 min
The Atari 2600 Video Computer System: The Ultimate Talk
The history, the hardware and how to write programs
65 min
Quantified-Self and OpenBCI Neurofeedback Mind-Hacking
Transhumanism, Self-Optimization and Neurofeedback for…
45 min
Implementation of MITM Attack on HDCP-Secured Links
A non-copyright circumventing application of the HDCP…
47 min
How to implement bignum arithmetic
A short look at my pet project implementation
58 min
Analyzing a modern cryptographic RFID system
HID iClass demystified
26 min
Data Mining the Israeli Census
Insights into a publicly available registry
61 min
Design and Implementation of an object-oriented, secure TCP/IP Stack
Ethereal^W Wireshark without remote exploits - a proof of…
49 min
Ethernet mit Mikrocontrollern
Wie funktioniert TCP mit 2kb RAM?
47 min
A not so smart card
How bad security decisions can ruin a debit card design
52 min
I know who you clicked last summer
A swiss army knife for automatic social investigation
44 min
Dynamic Malware Analysis on Android Phones
Presentation of the DyAnA Framework (Dynamic Android…
50 min
coreboot: Beyond The Final Frontier
Open source BIOS replacement with a radical approach to…
51 min
EFI Rootkits
Abusing your Firmware to backdoor the kernel
59 min
Grundlagen der sicheren Programmierung
Typische Sicherheitslücken
50 min
Console Hacking 2006
Xbox 360, Playstation 3, Wii
58 min
Advanced memory forensics: The Cold Boot Attacks
Recovering keys and other secrets after power off
46 min
Honeymonkeys
Chasing hackers with a bunch of monkeys
62 min
Cellular protocol stacks for Internet
GPRS, EDGE, UMTS, HSPA demystified
48 min
Advanced Attacks Against PocketPC Phones
0wnd by an MMS
48 min
Vertex Hacking
Reverse Engineering von 3D-Dateiformaten
45 min
The Kernel Accelerator Device
Reconfigurable computing for the kernel
54 min
Building an Open Source PKI using OpenXPKI
Take a lot of Perl, add some OpenSSL, sprinkle it with a…
57 min
C64-DTV Hacking
Revisiting the legendary computer in a joystick
39 min
media.ccc.de
Das YouTube des CCC
53 min
Private investigations in searching
How to find any book (and many other roadkills) on the…
50 min
FAIFA: A first open source PLC tool
PowerLineCommunications has now their open source tool
47 min
Playing with the GSM RF Interface
Doing tricks with a mobile phone
66 min
The Baseband Apocalypse
all your baseband are belong to us
53 min
Building a Distributed Satellite Ground Station Network - A Call To Arms
Hackers need satellites. Hackers need internet over…
31 min
The DRM Of Pacman
Copy protection schemes of way back then and how they…
53 min
Crouching Powerpoint, Hidden Trojan
An analysis of targeted attacks from 2005 to 2007
67 min
Datenvieh oder Daten-Fee
Welchen Wert haben Trackingdaten?
44 min
OnionCat – A Tor-based Anonymous VPN
Building an anonymous Internet within the Internet
46 min
Inside Sputnik & OpenBeacon - Smart Dust for the Masses
a hackers guide into homebrewn 2.4GHz hardware & peripherals
![How (not) to configure your domainname [internet.nl]](https://static.media.ccc.de/media/events/why2025/258-ad19d388-2d06-5784-882b-b77588596bb4.jpg)
47 min
RFID - overview of protocols, librfid implementation and passive sniffing
ISO14443, ISO15693, their GPL librfid implementation and…
44 min
Unusual Web Bugs
A Web Hacker's Bag O' Tricks
87 min
Tor and China
Design of a blocking-resistant anonymity system
45 min
Secure Network Server Programming on Unix
Techniques and best practices to securely code your network…
54 min
Contemporary Profiling of Web Users
On Using Anonymizers and Still Get Fucked
52 min
How you can build an eavesdropper for a quantum cryptosystem
hardware demo during the lecture
95 min
Analysis of a strong Random Number Generator
by anatomizing Linux' CPRNG
54 min
Unlocking FileVault
An analysis of Apple's encrypted disk storage system
64 min
Sicherheitsanalyse von IT-Großprojekten der öffentlichen Hand
Untersuchung eines Austauschsystems für hochsensible…
45 min
Your Disaster/Crisis/Revolution just got Pwned
Telecomix and Geeks without Bounds on Security and Crisis…
56 min
Anatomy of smartphone hardware
Dissecting contemporary cellphone hardware
46 min
Embedded device security nightmares
An Introduction to the usual mistakes
55 min
Building a Debugger
Open JTAG with Voltage Glitching
46 min
Signal Intelligence und Electronic Warfare
Wie man nach Hause telefoniert, ohne von einer Rakete…
20 min
Introduction to SecureShare
A peer-to-peer, end-to-end encrypted social networking…
45 min
Router and Infrastructure Hacking
"First we take Manhattan, then we take Berlin..."
26 min
ChokePointProject - Quis custodiet ipsos custodes?
Aggregating and Visualizing (lack of) Transparancy Data in…
53 min
Blackberry: call to arms, some provided
Teach yourself upper management in 22 days
56 min
Blackbox JTAG Reverse Engineering
Discovering what the hardware architects try to hide from…
46 min
Automated Exploit Detection in Binaries
Finding exploitable vulnerabilities in binaries
56 min
Corp vs. Corp
Profiling Modern Espionage
51 min
SCADA and PLC Vulnerabilities in Correctional Facilities
Tiffany Rad, Teague Newman, John Strauchs
62 min
Security and anonymity vulnerabilities in Tor
Past, present, and future
71 min
Security in the cardholder data processing?!
Experiences and lessons learned with the Payment Card…
98 min
Hardware Hacking for Software Geeks
Essential Tips and Tricks
57 min
Chip and PIN is Broken
Vulnerabilities in the EMV Protocol
57 min
Software Reliability in Aerospace
An overview on design and generation of safe and reliable…
32 min
"Haste ma'n netblock?"
Layer 8 based IP Address hijacking in the end of the days…
60 min
"Die gesamte Technik ist sicher"
Besitz und Wissen: Relay-Angriffe auf den neuen…
61 min
Attacking Rich Internet Applications
Not your mother's XSS bugs
52 min
3G Investigations
Scanning your GPRS/UMTS IP network for fun and profit
40 min
Latest developments around the Milkymist System-on-Chip
A roundup of one the most advanced open hardware projects
56 min
Rootkits in your Web application
Achieving a permanent stealthy compromise of user accounts…
63 min
Power gadgets with your own electricity
escape the basement and make the sun work for you
54 min
