Ultra



Solves

Challenge Category Value Time
Patience Test Warm Up300
Julius Caesar Cryptography100
Year 1993 by Urban Müller Cryptography300
I am Samuel Morse! Cryptography100
Beware of SHA1rk Cryptography20
Xtra ObscuRe Service Cryptography20
I am Samuel Morse 2! Cryptography200
Recette Secrète Cryptography20
Simple RSA Cryptography20
Simple Diffie-Hellman None20
Simple RSA 2 Cryptography20
Wiener's RSA None20
Fermat's RSA None20
Simple Diffie-Hellman 2 None20
Small-E None20
File Signature Forensics20
Shark Of Wire Forensics20
Shark Of Wire 2 Forensics20
Corrupted Image Forensics20
File Signature 2 Forensics20
Forensics Warm Up 1 Forensics20
Forensics Warm Up 2 Forensics50
Flags in ZIP None20