Python: jwt

import jwt
from datetime import datetime

payload_data = {
    'sub': '4242',
    'iss': 'issuer',  # issuer of the token
    'name': 'Jessica Temporal',
    'nickname': 'Jess',
    'exp': int(datetime.now().timestamp()) + 5
}

key = 'secret'

token = jwt.encode(
    payload=payload_data,
    key=key
)

print(token)

header = jwt.get_unverified_header(token)
print(header)

decoded_payload = jwt.decode(
    jwt=token,
    key=key,
    algorithms=[header['alg']]
)

print(decoded_payload)

import asyncio, typing, types
import os
import random
from contextlib import contextmanager, asynccontextmanager
from urllib.request import urlopen
import jwt
from datetime import datetime
from cryptography.hazmat.primitives import serialization
from jwt.exceptions import ExpiredSignatureError

payload_data = {
    'sub': '4242',
    'name': 'Jessica Temporal',
    'nickname': 'Jess',
    'exp': int(datetime.now().timestamp())+5
}

private_key = open(os.path.expanduser('~/.ssh/id_rsa'), 'r').read()
public_key = open(os.path.expanduser('~/.ssh/id_rsa.pub'), 'r').read()
private_key_obj = serialization.load_ssh_private_key(private_key.encode(), password=b'')
print(private_key_obj)
public_key_obj = serialization.load_ssh_public_key(public_key.encode())
print(public_key_obj)

secret = 'my_super_secret'

token = jwt.encode(
    payload=payload_data,
    key=private_key_obj,  # have to use private key sign
    algorithm='RS256'
)
print('~' * 80)
print(token)

header = jwt.get_unverified_header(token)
print(header)
try:
    payload = jwt.decode(
        jwt=token,
        key=public_key_obj,  # have to use public key verify
        algorithms=[header['alg']]
    )
    print(payload)
except ExpiredSignatureError as e:
    print(e, e.args)