Crypto
Encryption
Useful websites
Address
Explanation
https://www.dcode.fr/
encryption and decryption
https://crackstation.net/
Decoding
https://gchq.github.io/CyberChef/
encryption and decryption and …
https://www.base64encode.org/
base64 encoding
https://www.base64decode.org/
base64 decoding
http://rumkin.com/tools/cipher/caesar.php
Decode caesar
https://www.unphp.net
deobfuscate php code
Decode Fernet
https://asecuritysite.com/encryption/ferdecode
Or
from cryptography.fernet import Fernet
key = ""
token = ""
cipher = Fernet(key)
decoded = cipher.decrypt(token)
Decode the Malbolge language
http://www.malbolge.doleczek.pl/
https://zb3.me/malbolge-tools/
Decode Dvorak format keyboards
https://www.geocachingtoolbox.com/index.php?lang=en&page=dvorakKeyboard
Decode DTFM
http://dl.djsoft.net/DTMFChecker.zip
https://www.dcode.fr/prime-numbers-cipher
Decrypt bcrypt
git clone https://github.com/BREAKTEAM/Debcrypt.git
python3 crack.py
Decode Cistercian numbers
https://www.dcode.fr/cistercian-numbers
Convert Multi-tap Phone Code to letters
https://www.dcode.fr/code-multitap-abc
http://rumkin.com/tools/cipher/atbash.php
Decode xor message
python3 crack_repeating_key_xor.py -f <file> -x
Attack on PKCS#1 in RSA
https://programtalk.com/vs2/python/9053/featherduster/tests/test_bleichenbacher.py/
Types of attacks on RSA
For example, decryption of flag.enc file by public key without private key
python3 ./RsaCtfTool/RsaCtfTool.py --publickey ./key.pub --private
openssl rsautl -decrypt -inkey key.pri -in flag.enc -out flag.txt
Decode Vigenere Decoder
https://www.dcode.fr/vigenere-cipher
Base64 decoding in terminal
echo "YToxOntzOjQ6Im5hbWUiO2E6MTp7czoxMDoicGF1bC1jb2xlcyI7YTo5OntzOjI6ImlkIjtzOjEwOiIxNTkyNDgzMjM2IjtzOjQ6Im5hbWUiO3M6 | base64 -d
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