#!/usr/bin/python3

import ecdsa
import sys

# read the original message from the first command-line argument
message = sys.argv[1]

# read the signature from standard input
signature = sys.stdin.read()

# read the public key from the second command-line argument
public_key = sys.argv[2]

print('message: ', message)
print('signature: ', signature)
print('public key: ', public_key)


# generate a verifying key from the public key
vk = ecdsa.VerifyingKey.from_string(public_key, curve=ecdsa.SECP256k1)

# verify the signature
#assert vk.verify(signature, message.encode())