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CTF Tools
CTF Tools
Self create CTF Tools by SKR
Crypto
Stego
Web
RSA
Reverse
General
Auto Mode
Brute Force
Ignore Error
Caesar Cipher
Shift
1
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5
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8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Or
Brute Force
Vigenere Cipher
Encode
Decode
Letter Numbers
Encode
Decode
Seperator for each letter:
Base64
Encode
Decode
Base32
Encode
Decode
Base85
Encode
Decode
Ascii85
Encode
Decode
Base58
Encode
Decode
Rot 47
Encode
Decode
XOR
String
String
Hex
Base64
String
String
Hex
Base64
Encode
Clear
Brute Force with one character
Morse Code
Encode
Decode
Seperator for each words:
Malbolge
Interpret
Clear
Fernet
Encode
Decode
zsteg (PNG file)
jsteg (JPEG file)
strings
stegsolve
Minimum requirements:
n,e,c
Best result with factorized n:
p,q,e,c
Or with decryption key (d):
d,n,c
Automatic checks for vulnerabilities:
Known Factors (Factordb)
Cube root of c (if e=3)
Wiener's Attack (d is small)
Boneh Durfee (d is small)
Recover Factors of n (when d is known)
Boneh Durfee parameters:
delta =
m =
Decrypt
Clear
Example
Greatest Common Divisor
a =
b =
Decrypt
Clear
Hastad's Broadcast Attack
Total number equal e(public key exponent)
Ex: n1..n3 and c1..c3, e = 3
Decrypt
Clear
Number to ASCII
Convert
Number Format:
Decimal (10)
Hex (16)
Binary (2)
Octal (8)
Seperator for each character:
None
Space
OCR
Quick Python
Password:
Interpret
Clear
Undo
Redo
Pwntools Template
View Sauce
View
.NET Decompiler (ILSpy)
Python Decompiler (.pyc file)