# GENERAL ENCODING --- ### ASCII - int -> ASCII ```=python chr(_integer_) # ->ASCII print(chr(97)) # 'a' ``` - ASCII -> int ```=python ord(_ASCII_) # ->integer print(ord('a')) # 97 ``` ### Hex ```=python import binascii ``` - hex -> binary ```=python binascii.unhexlify(b'0x__') # ->binary print(binascii.unhexlify(b'0xFFFF')) # b'307846464646' ``` - binary -> hex ```=python binascii.hexlify(b'binary') # ->hex print(binascii.hexlify(b'307846464646')) # b'0xFFFF' ``` ### Base64 ### Bytes and Big Integers - int -> binary ### Encoding Challenge XOR --- ### XOR Starter ### XOR Properties ### Favorite byte ### You either know, XOR you don't ### Lemur XOR MATHMATICS --- ### Greatest Common Divisor ### Extended GCD ### Modular Arithmetic 1 ### Modular Arithmetic 2 ### Modular Inverting DATA FORMATS --- ### Privacy-Enhanced Mail? ### CERTainly not ### Transparency ###### tags: `CRYPTOHACK` `CTF` `CRYPTO`