Generate TOTP and Authentication Token

totp.py

import pyotp
import hashlib
import hmac
import time
import base64

# Your email address
email = "sonu.patna0808@gmail.com"
# The shared secret is email + "HENNGECHALLENGE003"
shared_secret = (email + "HENNGECHALLENGE003").encode("utf-8")

# Generate TOTP
time_steps = int(time.time() / 30)  # Current time step
hmac_sha512 = hmac.new(shared_secret, time_steps.to_bytes(8, byteorder="big"),
                       hashlib.sha512)
hmac_digest = hmac_sha512.digest()

offset = hmac_digest[-1] & 0x0F
otp_code = (hmac_digest[offset] & 0x7F) << 24 | (
    hmac_digest[offset + 1] & 0xFF) << 16 | (
        hmac_digest[offset + 2] & 0xFF) << 8 | (hmac_digest[offset + 3] & 0xFF)

totp_password = otp_code % 10**10

print(totp_password)
# Combine email and totp_password with a colon
credentials = f"{email}:{totp_password}"

# Encode the credentials using base64
encoded_credentials = base64.b64encode(
    credentials.encode("utf-8")).decode("utf-8")

authorization_header = f"Basic {encoded_credentials}"

print(authorization_header)