import random

​

# Two byte hash

def myHash(string):

    random.seed("H4shS33d" + string)

    num = random.getrandbits(16)

    return hex(num)[2:].zfill(4)

​

def encryptFlag(flag):

    enc = ""

    for char in flag:

        enc += myHash(char)

    return enc

​

flag = input("Enter flag : ")

enc = encryptFlag(flag)

print("Encrypted flag is : ", enc)

# encrypting

from cryptography.fernet import Fernet

message = "my deep dark secret".encode()

​

f = Fernet(key)

encrypted = f.encrypt(message)

# decrypting

from cryptography.fernet import Fernet

encrypted = b"...encrypted bytes..."

​

f = Fernet(key)

decrypted = f.decrypt(encrypted)

import random

​

# Two byte hash

def myHash(string):

    random.seed("H4shS33d" + string)

    num = random.getrandbits(16)

    return hex(num)[2:].zfill(4)

​

def encryptFlag(flag):

    enc = ""

    for char in flag:

        enc += myHash(char)

    return enc

​

flag = input("Enter flag : ")

enc = encryptFlag(flag)

print("Encrypted flag is : ", enc)

​