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75 Challenges
Results | Name | Number of points | Difficulty | Author | Note | Solution | Date ↓↑ |
Encoding - UU | 5 | g0uZ | 10 | 7 October 2006 | |||
Hash - Message Digest 5 | 5 | g0uZ | 7 | 31 January 2010 | |||
File - PKZIP | 15 | g0uZ | 6 | 30 August 2010 | |||
RSA - Factorisation | 25 | HacKSpider | 5 | 12 September 2010 | |||
Known plaintext - XOR | 20 | Ryscrow | 5 | 3 February 2011 | |||
Pixel Madness | 15 | Ryscrow | 10 | 3 February 2011 | |||
Shift cipher | 10 | m31z0nyx | 10 | 16 February 2011 | |||
Monoalphabetic substitution - Caesar | 15 | Arod | 5 | 22 October 2011 | |||
Polyalphabetic substitution - Vigenère | 20 | Arod | 3 | 26 October 2011 | |||
Monoalphabetic substitution - Polybe | 25 | koma | 6 | 6 December 2011 | |||
File - Insecure storage 1 | 20 | g0uZ | 7 | 6 February 2012 | |||
ELF64 - PID encryption | 15 | Lu33Y | 10 | 8 February 2012 | |||
Hash - SHA-2 | 5 | koma | 4 | 3 June 2012 | |||
Service - CBC Padding | 60 | koma | 2 | 4 October 2012 | |||
Service - Timing attack | 25 | g0uZ , |