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Covy
235th
place
Solves
Challenge
Category
Value
Time
Small-E
None
20
Julius Caesar
Cryptography
100
I am Samuel Morse!
Cryptography
100
Warm Up
Warm Up
20
Base64
Warm Up
20
QR
Warm Up
20
Net Cat
Warm Up
20
Secure Shell
Warm Up
20
Discord
Warm Up
10
What is ROT?
Cryptography
50
Stegnography 1
Steganography
100
Forensics Warm Up 1
Forensics
20
Where is the flag?
Web
20
I am Samuel Morse 2!
Cryptography
200
Web warmup
Web
20
Simple RSA
Cryptography
20
Simple RSA 2
Cryptography
20
Xtra ObscuRe Service
Cryptography
20
Beware of SHA1rk
Cryptography
20
Linux Tutorial 1
Linux
20
Linux Tutorial 2
Linux
20
Linux Tutorial 3
None
20
Linux Tutorial 4
None
20
Beginner Reverse 1
Reverse Engineering
50
Simple Overflow
Binary
20
Patience Test
Warm Up
300
Quick Survey
Warm Up
400
My First SQL
Web
20
My First XSS
Web
20
Forgot Password
Web
20
Wiener's RSA
None
20
Simple Diffie-Hellman
None
20
Fermat's RSA
None
20
Recette Secrète
Cryptography
20
Simple Diffie-Hellman 2
None
20
E-CryptoBook Service
Cryptography
20
De Tuna My Fish
Cryptography
20
E-CryptoBook 2.0
Cryptography
20
Forensics Warm Up 2
Forensics
50
File Signature
Forensics
20
Shark Of Wire
Forensics
20
Schrödinger's Cat
Miscellaneous
20
Happy CNY!
Miscellaneous
20
Auth Me 1.0
Binary
20
Overflow Me!
Binary
20
Format String
Binary
20