robertkok

143rd place

Solves

Challenge	Category	Value	Time
Secure Shell	Warm Up	20
Warm Up	Warm Up	20
Base64	Warm Up	20
QR	Warm Up	20
Julius Caesar	Cryptography	100
Beginner Reverse 1	Reverse Engineering	50
Linux Tutorial 1	Linux	20
Net Cat	Warm Up	20
Forensics Warm Up 1	Forensics	20
What is ROT?	Cryptography	50
Stegnography 1	Steganography	100
Simple Overflow	Binary	20
Web warmup	Web	20
Quick Survey	Warm Up	400
E-CryptoBook Service	Cryptography	20
Year 1993 by Urban Müller	Cryptography	300
I am Samuel Morse!	Cryptography	100
Xtra ObscuRe Service	Cryptography	20
I am Samuel Morse 2!	Cryptography	200
Patience Test	Warm Up	300
Beware of SHA1rk	Cryptography	20
IQ Test	Cryptography	20
Recette Secrète	Cryptography	20
Simple RSA	Cryptography	20
Simple Diffie-Hellman	None	20
Simple RSA 2	Cryptography	20
Simple Diffie-Hellman 2	None	20
Find it!	OSINT	500
Where is the flag?	Web	20
Schrödinger's Cat	Miscellaneous	20
Wiener's RSA	None	20
Fermat's RSA	None	20
E-CryptoBook 2.0	Cryptography	20
Small-E	None	20
De Tuna My Fish	Cryptography	20
Small-E 2	None	20
SKR Lang	Cryptography	20
Qu1ck M47h5	Mini Game	20
Forensics Warm Up 2	Forensics	50
File Signature	Forensics	20
File Signature 2	Forensics	20
Corrupted Image	Forensics	20