chai cheng xun

223rd place

Solves

Challenge	Category	Value	Time
Forgot Password	Web	20
Simple RSA	Cryptography	20
Simple Diffie-Hellman	None	20
Simple RSA 2	Cryptography	20
Simple Diffie-Hellman 2	None	20
My First SQL	Web	20
Forgot Password 2	Web	20
Julius Caesar	Cryptography	100
I am Samuel Morse!	Cryptography	100
Beware of SHA1rk	Cryptography	20
Ular Challenge 1	None	20
Linux Tutorial 1	Linux	20
Linux Tutorial 2	Linux	20
Linux Tutorial 3	None	20
Linux Tutorial 4	None	20
The game of NIM	Mini Game	20
Schrödinger's Cat	Miscellaneous	20
Stegnography 1	Steganography	100
Simple Overflow	Binary	20
Quick Survey	Warm Up	400
Secret Url	Web	20
Juggling Clown	Web	20
File Signature	Forensics	20
Shark Of Wire	Forensics	20
Forensics Warm Up 2	Forensics	50
SQL Service	Web	20
Beginner Reverse 2	Reverse Engineering	50
Beginner Reverse 3	Reverse Engineering	50
Beginner Reverse 4	Reverse Engineering	50
Beginner Reverse 5	Reverse Engineering	50
Beginner Reverse 6	Reverse Engineering	50
Auth Me 1.0	Binary	20
Overflow Me!	Binary	20
Kuki Cookies	Web	20
Guess The Number	Binary	20
Advance Overflow	Binary	20
Format String	Binary	20
Auth Me 2.0	Binary	20
Corrupted Image	Forensics	20
nogard 1	None	20
Ular Challenge 2	None	20
Stegnography 2	Steganography	150
A Thousand Words	Steganography	20
Happy CNY!	Miscellaneous	20
Fermat's RSA	None	20
Small-E	None	20
Wiener's RSA	None	20
Small-E 2	None	20
Kuki Cookies 2	Web	20
Slot Machine	Web	20
Stegnography 3	Steganography	200
Secret Message	Miscellaneous	20
Calculator	Miscellaneous	20
SQL That You Can't See	Web	20
F0rgO7_W1Fi_P@$$w0rD	None	20
What5Th3Pa55Cod3?	Reverse Engineering	20