forked from STI/Astroport.ONE
50 lines
1.6 KiB
Python
50 lines
1.6 KiB
Python
# Copyright 2014-2024 Vincent Texier <vit@free.fr>
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#
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# DuniterPy is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# DuniterPy is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import sys
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from duniterpy.key import VerifyingKey
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def load_binary_signed_message(signed_message_path=None):
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if not signed_message_path:
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if len(sys.argv) < 2:
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print("Usage: python verify_signed_message.py SIGNED_MESSAGE_FILEPATH")
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return
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# capture signed message filepath argument
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signed_message_path = sys.argv[1]
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# ask public key of the signer
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pubkeyBase58 = input("Enter public key of the message issuer: ")
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# open signed message file
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with open(signed_message_path, "rb") as file_handler:
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signed_message = file_handler.read()
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# Verify the message!
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verifier = VerifyingKey(pubkeyBase58)
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try:
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message = verifier.get_verified_data(signed_message).decode("utf-8")
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print("Signature valid for this message:")
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except ValueError as error:
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message = str(error)
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print(message)
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if __name__ == "__main__":
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load_binary_signed_message()
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