blob: ab45018d519e6219a99c5b4ef37beae7af41601a [file] [log] [blame]
#!/usr/bin/env python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import sys
import os
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives.asymmetric import padding
from cryptography.hazmat.primitives import serialization
from cryptography.hazmat.primitives import hashes
FIXTURE_DIR = os.path.join(os.path.dirname(__file__),
'fixtures')
def main():
private_key_file = os.path.join(FIXTURE_DIR, 'private.pem')
with open(private_key_file, "rb") as f:
private_key = serialization.load_pem_private_key(
f.read(),
password=None,
backend=default_backend()
)
# Extract public key from private
public_key = private_key.public_key()
# https://cryptography.io/en/stable/hazmat/primitives/asymmetric/rsa/#encryption
ciphertext = public_key.encrypt(
sys.argv[1],
padding.OAEP(
mgf=padding.MGF1(algorithm=hashes.SHA1()),
algorithm=hashes.SHA1(),
label=None
)
)
print(ciphertext.encode('base64'))
if __name__ == '__main__':
main()