gistfile1.txt

from Crypto.PublicKey import RSA
from Crypto import Random
from Crypto.Cipher import PKCS1_OAEP
from Crypto.Signature import PKCS1_v1_5 
from Crypto.Hash import SHA256
from base64 import b64encode, b64decode

random_generator = Random.new().read
key = RSA.generate(1024, random_generator)

digest = SHA256.new("Hello".encode("UTF8"))

signer = PKCS1_v1_5.new(key)
signature = signer.sign(digest)
print(b64encode(signature))