YoVDO

How to Break PDF Encryption

Offered By: Black Hat via YouTube

Tags

Black Hat Courses Cybersecurity Courses Cryptography Courses Document Security Courses

Course Description

Overview

Explore techniques for breaking PDF encryption in this 44-minute Black Hat conference talk. Analyze the structure of PDF encryption and learn two novel methods for compromising the confidentiality of encrypted documents. Delve into topics such as PDF crypt filters, document modification, encryption history, CBC gadget attacks, and known plaintext evaluation. Gain insights from security researchers Jens Müller and Fabian Ising as they discuss the vulnerabilities in one of the world's most widely used document formats and propose potential fixes.

Syllabus

Introduction
PDF Encryption
Attack Mode
PDF Structure
PDF Standard
PDF Crypt Filters
Modifying the Document
PDF Encryption History
CBC Gadget Attacks
Known plaintext
Evaluation
Fixing


Taught by

Black Hat

Related Courses

Attack on Titan M, Reloaded - Vulnerability Research on a Modern Security Chip
Black Hat via YouTube
Attacks From a New Front Door in 4G & 5G Mobile Networks
Black Hat via YouTube
AAD Joined Machines - The New Lateral Movement
Black Hat via YouTube
Better Privacy Through Offense - How to Build a Privacy Red Team
Black Hat via YouTube
Whip the Whisperer - Simulating Side Channel Leakage
Black Hat via YouTube