At the recently concluded DEFCON 20 conference in Las Vegas, attendees were presented with this decryption challenge by KoreLogic Security. Take their collection of encrypted password hashes and a bundle of encrypted files and see how many you can crack. File types are from various systems, including UNIX servers, Windows AD, LDAP servers, webapps, etc. […]
Tag Archives: hash cracking
When FPGAs attack hashes
What could you do with an array of 15 FPGAs? Why not attack hashes! NSA@home is a fast FPGA-based SHA-1 and MD5 bruteforce cracker. It is capable of searching the full 8-character keyspace (from a 64-character set) in about a day in the current configuration for 800 hashes concurrently, using about 240W of power. The […]