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# Copyright 2014-2022 Vincent Texier <vit@free.fr>
#
# DuniterPy is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# DuniterPy is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import unittest
from duniterpy.key import AsciiArmor, SigningKey
from duniterpy.key.ascii_armor import (
BEGIN_MESSAGE_HEADER,
BEGIN_SIGNATURE_HEADER,
END_MESSAGE_HEADER,
END_SIGNATURE_HEADER,
)
class TestAsciiArmor(unittest.TestCase):
def test_create_encrypted_and_signed(self):
# pubkey of recipient
alice_signing_key = SigningKey.from_credentials("alice", "password")
# signing key of issuer
bob_signing_key = SigningKey.from_credentials("bob", "password")
# message
message = """
Hello world !
Héhé ;-)
This is a utf-8 message...
"""
# create encrypted and signed ascii armor message
encrypted_and_signed_aa_message = AsciiArmor.create(
message, alice_signing_key.pubkey, [bob_signing_key]
)
# split in lines for check up
aa_message_lines = encrypted_and_signed_aa_message.splitlines()
# check before message
self.assertEqual(aa_message_lines[0], BEGIN_MESSAGE_HEADER)
self.assertTrue(aa_message_lines[1].startswith("Version:"))
self.assertEqual("", aa_message_lines[2].strip())
# check after message
self.assertEqual(aa_message_lines[4], BEGIN_SIGNATURE_HEADER)
self.assertTrue(aa_message_lines[5].startswith("Version:"))
self.assertEqual("", aa_message_lines[6].strip())
self.assertEqual(aa_message_lines[8], END_SIGNATURE_HEADER)
# parse ascii armor message
result = AsciiArmor.parse(
encrypted_and_signed_aa_message, alice_signing_key, [bob_signing_key.pubkey]
)
# check result
self.assertEqual(message + "\n", result["message"]["content"])
self.assertTrue(message + "\n", result["signatures"][0]["valid"])
def test_create_encrypted(self):
# pubkey of recipient
alice_signing_key = SigningKey.from_credentials("alice", "password")
# message
message = """
Hello world !
Héhé ;-)
This is a utf-8 message...
"""
# create encrypted and signed ascii armor message
encrypted_aa_message = AsciiArmor.create(message, alice_signing_key.pubkey)
# split in lines for check up
aa_message_lines = encrypted_aa_message.splitlines()
# check before message
self.assertEqual(aa_message_lines[0], BEGIN_MESSAGE_HEADER)
self.assertTrue(aa_message_lines[1].startswith("Version:"))
self.assertEqual("", aa_message_lines[2].strip())
# check after message
self.assertEqual(aa_message_lines[4], END_MESSAGE_HEADER)
# parse ascii armor message
result = AsciiArmor.parse(encrypted_aa_message, alice_signing_key)
# check result
self.assertEqual(message + "\n", result["message"]["content"])
def test_create_signed_cleartext(self):
# signing key of issuer
bob_signing_key = SigningKey.from_credentials("bob", "password")
# message
message = """
Hello world !
Héhé ;-)
This is a utf-8 message...
"""
# create encrypted and signed ascii armor message
signed_cleartext_aa_message = AsciiArmor.create(
message, None, [bob_signing_key]
)
# split in lines for check up
aa_message_lines = signed_cleartext_aa_message.splitlines()
# check before message
self.assertEqual(aa_message_lines[0], BEGIN_MESSAGE_HEADER)
self.assertEqual("", aa_message_lines[1].strip())
# check after message
self.assertEqual(aa_message_lines[10], BEGIN_SIGNATURE_HEADER)
self.assertTrue(aa_message_lines[11].startswith("Version:"))
self.assertEqual("", aa_message_lines[12].strip())
self.assertEqual(aa_message_lines[14], END_SIGNATURE_HEADER)
# parse ascii armor message
result = AsciiArmor.parse(
signed_cleartext_aa_message, None, [bob_signing_key.pubkey]
)
# check result
self.assertEqual(message + "\n", result["message"]["content"])
self.assertTrue(message + "\n", result["signatures"][0]["valid"])
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